Top AI development companies in Europe

This guide lists twenty firms that build AI software for other companies and that a company in Europe can hire. Eighteen of them name an office in Europe, on their own pages, in a national company register or in a filing. Every page used here was read on 21 October 2026. Each sentence says which type of source gives its fact. A firm's own website, a government register and an annual report can be trusted to different degrees, so a buyer should know where each fact comes from.

The order is fixed. Reveneau is first and Fluxon is second. The other eighteen firms follow in three groups: product studios, firms whose main work is AI and data, and large IT groups that run an AI practice beside their other services. The order inside each group carries no ranking, and no firm gets a score. A separate list of forward deployed engineering firms in Europe covers firms that place their engineers inside a client's own team. None of the firms on that list appears again here.

Why companies in Europe hire outside AI builders

Eurostat, the statistics office of the European Union, counts how many enterprises use AI. In 2025, 19.95 percent of EU enterprises with 10 or more employees used at least one AI technology [2]. The share changes from one country to the next. Denmark had the highest share, 42.03 percent, followed by Finland at 37.82 percent and Sweden at 35.04 percent. Romania had the lowest, 5.21 percent, followed by Poland at 8.36 percent and Bulgaria at 8.55 percent. Eurostat also asked EU enterprises that had ever considered using AI why they did not use it. The most common answer was a lack of relevant expertise, given by 70.89 percent. Hiring a firm that builds AI software is one answer to that problem.

Stanford University's AI Index 2026, using data from Quid, reports private investment in AI by country for 2025 [3]. Stanford puts the United Kingdom at $5.90 billion, France at $4.36 billion, Germany at $3.89 billion, Belgium at $1.20 billion and Sweden at $0.97 billion, all in US dollars. It reports that private AI investment in Europe grew 7.2 percent from 2024, against 160.2 percent in the United States. The passages read for this guide do not say which countries Stanford's Europe figure covers, so this guide never applies that figure to one country.

The European Commission states that the AI Act, the EU's law on artificial intelligence, entered into force on 1 August 2024 and became applicable on 2 August 2026, with some exceptions [4]. Ask each firm, in writing, how it will help your system follow that law.

The list at a glance

The table gives each firm's main European office, its size and its tier in Anthropic's partner directory. Anthropic makes the Claude AI models. Its directory lists the companies it names as service partners and gives most of them one of three tiers: Global Premier, Preferred or Select. Anthropic sets the tier, and each partner writes its own description. The directory held 321 entries when it was read on 21 October 2026 [1].

Firm	Kind, in this guide	Main European office, and who says so	Size, and who says so	Anthropic tier
Reveneau	AI writes all its code, by its own account	None; offices in San Francisco and Vancouver (own site)	Not stated	Not listed (searched 20 October 2026)
Fluxon	Says its AI work is forward deployed by default	None named; open roles in Poland and Portugal (own careers page)	200 employees (Forbes, as of March 2026); "300+ builders" (own careers page)	Not listed
Software Mansion	Product studio	Kraków (Polish court register)	400+ engineers (own AI page)	Select
Miquido	Product studio	Kraków (Polish VAT register)	Not published on the pages read	Not listed
Monterail	Product studio	Wrocław (Polish court register)	130+ team members (own homepage)	Not listed
Infinum	Product studio	Zagreb (own site)	396 people in 2025 (own about page); "TECH PROFESSIONALS 400+" (own homepage)	Not listed
STRV	Product studio	Prague (Czech ARES register)	200+ people (own about page)	Not listed
Mindera	Product studio	Porto (own site)	"over 1,300 people" (own homepage)	Not listed
ML6	AI-first firm	Ghent (Belgian KBO register)	100+ AI experts (own history page)	Select
deepsense.ai	AI-first firm	Warsaw (own site)	120 AI experts (own homepage)	Select
Unit8	AI-first firm	Lausanne (Swiss commercial register)	150+ and 180+ data experts (both on its own about page)	Select
Alexander Thamm	AI-first firm	Munich (own legal notice)	Not used here; its only count is a 2023 entry on its own timeline	Not listed
dataroots	AI-first firm	Leuven (Belgian KBO register)	Not published on the pages read	Not listed under its own name; Talan is Select
Fuzzy Labs	AI-first firm	Manchester (own site)	Not published on the pages read	Not listed
Netcompany	Large IT group	Copenhagen (own site)	7,960 average full-time employees in 2025 (annual report)	Not listed
adesso	Large IT group	Dortmund (own site)	11,298 full-time equivalent at the end of 2025 (annual report)	Select, as adesso SE
Reply	Large IT group	Turin (own site)	17,297 at the end of June 2026 (half-year report)	Select
Endava	Large IT group	London (annual report filed with the SEC)	11,479 at 30 June 2025 (same report)	Not listed
N-iX	Large IT group	Lviv, where it started (own site); its own office list marks Valletta, Malta, as HQ	2,400+ engineers (own contacts page)	Select
Capgemini	Large IT group	Paris (French company register)	417,600 at 30 June 2026 (own press release); "420,000 team members" (own directory text)	Global Premier

How to read each entry

Each entry gives the facts first. Then Fits names the buyer the firm suits, from what the firm or a register says about it, and Pick someone else if names a case where another type of firm would suit you more.

The wording tells you the source. "By its own account", "it says" and "its page lists" mean the fact comes from the firm's own website. A register is an official public list of companies kept by a government body, and when a sentence names one, such as the Polish National Court Register (KRS), the Czech ARES register or UK Companies House, the fact comes from that list. An annual report is still the company's own statement, but it is a formal one that a listed company must publish. How these European companies were chosen explains every check.

The firms

1. Reveneau

Reveneau lists offices at 435 Utah Street in San Francisco and on Floor 33, 909 Mainland Street, in Vancouver, Canada. It has no office in Europe. Reveneau says AI writes 100 percent of its code. It says every change must pass a large eval suite before it is released. An eval suite is a set of automated tests, and Reveneau says it writes its suite from the project's specification, the document that says what the software must do. Reveneau says Jev, the model that grades the suite, makes the suite run ten times faster than its previous grader did. By its own account, it uses AI in place of hiring more engineers and puts the money this saves into the prices clients pay. Reveneau says it takes responsibility for the whole project through production, the live system that real users rely on, and after release. Anthropic's partner directory did not list Reveneau when its 321 entries were searched on 20 October 2026 [1].

Fits: a company in Europe that wants its software written by AI and checked against the specification before every release, and that can work with a team based in North America. You can contact Reveneau to describe a project.

Pick someone else if: you need a team in a European office you can visit, or your rules require a partner listed in Anthropic's directory.

2. Fluxon

Fluxon gives no European office on any page read for this guide. Its careers page lists open roles located in Poland and in Portugal, and says the company is "100% remote" and "Connected through local hubs, shared work, and time together in person." [5] So Fluxon hires in Poland and Portugal. Forbes's company page, with figures as of March 2026, gives San Francisco as its headquarters, 2017 as the year it started and 200 as its number of employees [7]. The careers page gives a different count, "300+ builders" [5]. A heading on Fluxon's AI development page reads "Forward-deployed by default." [6] Forward deployed means the engineers work inside the client's own team. Its own site shows Google, Zapier, Puzzle, Eppo, Braintrust, Impira and Envestnet as clients. No outside source read for this guide confirms any of them. Anthropic's directory had no Fluxon entry on 21 October 2026 [1].

Fits: a company that wants engineers to join its own team and that works well with remote staff, some of them hired in Poland or Portugal.

Pick someone else if: you want to visit the firm's own office in Europe. Fluxon's pages name none.

3. Software Mansion

Software Mansion is a joint-stock company, a company whose capital is divided into shares, registered in the Polish National Court Register (KRS) under number 0000961952 with its seat at ul. Zabłocie 43b in Kraków [9]. The register shows that the joint-stock company was entered on 1 April 2022. The Polish Ministry of Finance VAT register, a public list of businesses registered for sales tax, shows a registration date of 1 August 2016 for the same tax number. Software Mansion says its shares are listed on NewConnect, an alternative share market run by the Warsaw Stock Exchange. Its AI page says it has "400+ engineers, including a dedicated AI team" [8]. The same page says it built React Native ExecuTorch, a library for running AI models directly on a phone, and Private Mind, an assistant that runs on the device. It also says: "If your app started with Claude Code, Cursor, Lovable, or an internal proof of concept, we can turn it into production-ready software." Its own site names Partiful, Chime and Vibecode among its clients, and no outside source read for this guide confirms them. Anthropic lists Software Mansion at the Select tier [1].

Fits: product teams with a mobile or web app that want AI features added, including models that run on the phone itself.

Pick someone else if: the project is mainly data science, or a back-office AI system with no app around it.

4. Miquido

Miquido gives its address as Zabłocie 43a in Kraków, and the Polish VAT register shows the same address [11]. The register shows a limited partnership, in Polish spółka komandytowa, entered in KRS under number 0000651969. Its VAT registration dates from 1 March 2011, and its own about page says it has worked "since 2011". Miquido's homepage says, "We build and scale business-critical mobile products that run your enterprise." Its AI integration page offers "Prompt injection protection, PII anonymisation, hallucination prevention, and human-in-the-loop governance". In plain words: blocking attempts to trick the model with hidden instructions, removing personal data, checking for invented answers, and keeping a person in charge of key decisions. Miquido is the one firm in this guide that prints prices on the pages read. Its AI Kickstarter page gives "$ 15,000 +" as "The cost of developing 1 GenAI solution with AI Kickstarter", which "Includes advanced cost tracking, optimization, and monitoring", with "3-5 weeks delivery". It gives "$ 40,000 +" as the cost of one GenAI app "with traditional ground-up AI development, without advanced cost tracking or monitoring", with "6-7 weeks delivery" [10]. The page asks buyers to contact Miquido for a personalised quote. Miquido was not in Anthropic's directory on 21 October 2026 [1].

Fits: a company that already runs a large mobile app and wants AI added to it, with safety checks, and wants to see a published price first.

Pick someone else if: you have no mobile product. Miquido presents itself as a mobile specialist.

5. Monterail

Monterail is registered in KRS under number 0000357415, with its office at ul. Oławska 27 in Wrocław, and the register shows that it was entered on 27 May 2010 [13]. The register lists two family foundations as its shareholders. A family foundation is a Polish legal form that holds a family's assets. Monterail also gives an office at Friedrichstr. 155 in Berlin. Its homepage presents product design and software development built around AI agents, and counts "130 + Team members". It says it built Insights AI for a client named Simfoni, "powered by Claude on AWS Bedrock", to read spending data and draft a report. Its AI page says, "Most AI projects take 8 to 20 weeks, depending on scope and complexity." [12] The page splits the work into three steps: Diagnose, 2 to 4 weeks; Prove, 4 to 6 weeks; and Ship, 8 to 16 weeks. It prints no price. Monterail was not in Anthropic's directory on 21 October 2026 [1].

Fits: founders and product leaders who want one firm to design and build a web or mobile product with AI in it, and want a stated length for each step.

Pick someone else if: you want a research team or a pure data science team.

6. Infinum

Infinum lists offices in Zagreb (Strojarska 22), Ljubljana, Amsterdam, London and Skopje on its contact page [14]. Its legal page names Infinum d.o.o., a Croatian limited liability company, at Mala Švarča 23 in Karlovac, entered in the court register of the Commercial Court in Zagreb. The Croatian court register could not be read by script, so that entry was not checked. UK Companies House, the UK's register of companies, lists Infinum Limited, the company number Infinum prints for its UK company, as active, incorporated on 16 July 2021 [15]. Infinum's about page tells its story from 2005, when two engineering students won an app-building contest, and gives "396 people in 22 teams" in 2025. Its homepage says "TECH PROFESSIONALS 400+". Its AI page offers "Agentic AI & automation", described as "Building AI agents that automate complex tasks, reduce operational overhead, and speed up decision-making". An AI agent is a program that uses an AI model to carry out a series of steps by itself. Infinum was not in Anthropic's directory on 21 October 2026 [1].

Fits: companies that want a Croatian-led studio to design and build an app or a connected device product, and add AI agents to it.

Pick someone else if: you want an AI research lab.

7. STRV

STRV is listed in the Czech ARES register, the country's public register of businesses, as STRV s.r.o., a Czech limited liability company, at Rohanské nábřeží 678/23 in Prague's Karlín district [17]. That is the Prague address STRV gives on its own contact page. ARES gives 4 May 2009 as the date that company was created, and lists a second company, STRV Group SE, at the same address. STRV's own about page says "Here since 2004" [16]. The two dates come from different sources, and this guide gives both. STRV also names an office in Brno. Its homepage calls STRV a digital product company that designs, builds and scales mobile and web products. Its services page says, "Make AI work for you", and lists recommendation and personalization, content moderation and fraud detection, computer vision, generative AI, natural language processing, predictive analytics, machine learning models on edge devices and sentiment analysis. Edge devices are phones, cameras and other machines that run a model themselves. The about page counts "200 + People". STRV was not in Anthropic's directory on 21 October 2026 [1].

Fits: consumer brands and startups that want a Prague team to design and build an app, with AI features where they help.

Pick someone else if: AI is the main job. STRV lists AI as one of its seven services.

8. Mindera

Mindera says it opened its first Portuguese office in Porto in 2014, then added Aveiro in 2018 and Coimbra in 2021. Its group companies page gives a Porto street address as the registered address of Engmindera Software Engineering, S.A., one of its group companies. Companies House lists Mindera UK Limited as active, incorporated on 28 September 2016, with its registered office in Leicester [19]. The same register names Mindera Holdings Limited as the person with significant control, meaning the company that controls Mindera UK. Mindera's homepage says, "We are a global AI-enabled consulting and software engineering company with over 1,300 people across nine locations from UK to Australia." [18] Its AI page shows a case study titled "AI-driven customer profiling powers personalisation" and one about an AI hackathon for Waitrose. A hackathon is a short event where teams build first versions of ideas. Mindera was not in Anthropic's directory on 21 October 2026 [1].

Fits: retail, travel and public sector teams that want an engineering team built in Portugal for a product with AI features.

Pick someone else if: you want an AI lab with research staff.

9. ML6

ML6's contact page prints the company name Skyhaus BV and the number BE 0502 515 626 beside its Ghent office. BV marks a Belgian private limited company. The Belgian KBO register, the country's register of enterprises, lists Skyhaus BV under that number as active, with its seat at Esplanade Oscar Van de Voorde 1 in Ghent and a start date of 27 December 2012 [21]. ML6's own history page says it has worked since 2013 and counts "100 + AI Experts at ML6" [20]. It also names offices in Amsterdam, Eindhoven, Berlin and Munich. Its service menu lists agentic AI, meaning AI agents that carry out tasks by themselves, vision AI, physical AI and robotics, voice AI and AI that operates computer programs. ML6 does build work for clients, and it also sells its own AI platform, called Unum Enterprise Superintelligence. Anthropic lists ML6 at the Select tier [1].

Fits: companies in Belgium, the Netherlands and Germany that want a firm whose only work is AI to build and run models and agents.

Pick someone else if: you need a whole consumer app designed and built around the AI, or you want a firm that sells services only.

10. deepsense.ai

deepsense.ai lists its headquarters at al. Jerozolimskie 44 in Warsaw, and its privacy policy names the company deepsense.ai Sp. z o.o., a Polish limited liability company, at that address [22]. Its about page says, "Providing AI Solutions Since 2014", and its homepage counts 120 AI experts. Its own text in Anthropic's directory reads: "Applied AI consultancy and Anthropic Service Partner, helping enterprises move Claude from prototype to secure, production-grade deployment." Its homepage shows case studies titled "MCP Server for Conversational Analytics in Beverage Manufacturing" and "From Manual Accounting Workflows to Repeatable AI Automation". MCP, the Model Context Protocol, is a standard way to connect an AI model to a company's own tools and data. Its pages print no company register number, so no register entry could be matched to it. Anthropic lists deepsense.ai at the Select tier [1]. Apart from that tier, every fact about deepsense.ai here comes from its own pages.

Fits: enterprises that want a Warsaw team whose only work is AI to take a Claude, OpenAI or Gemini project from a first version to a live system.

Pick someone else if: you want a firm to design the whole product and its screens.

11. Unit8

Unit8 gives Avenue d'Ouchy 4 in Lausanne as its registered office [46], and the Swiss commercial register lists Unit8 SA at that address, with the company number CHE-182.119.429 [23]. Its first notice in the Swiss Official Gazette of Commerce, where Swiss company changes are published, is dated 20 November 2017. The same register search shows a second company, Unit8 Holding SA, also in Lausanne. A holding company is one whose main job is to own other companies, and how the two are related was not read. Unit8's contact page names offices in Zürich, Bern, Kraków, Wrocław, Warsaw, Munich and Frankfurt [46]. Its about page gives two staff counts: "180+ data experts and counting" in one place and 150+ in another [24]. Unit8 says its mission is to help companies that did not start as digital businesses get value from their data, using data science, analytics and AI. Its homepage says it has been a "Certified Palantir Partner since 2020". Palantir sells data software, and that claim was not checked with Palantir. Switzerland is outside the EU, so Eurostat's figures do not cover it. Anthropic lists Unit8 at the Select tier [1].

Fits: banks, drug makers and industrial firms in Switzerland and Germany that want a data and AI team, often on Microsoft Azure or Palantir.

Pick someone else if: you want a studio to design a consumer app.

12. Alexander Thamm

Alexander Thamm, which writes its name as Alexander Thamm [at], gives its head office at Sapporobogen 6-8 in Munich on its legal notice page, and names the Munich register court and register number 199036 there [26]. The German commercial register works only through a search form that could not be read by script, so that number was not checked. It names offices in Berlin, Frankfurt, Leipzig, Nuremberg, Essen, Innsbruck and Zagreb. Its homepage says it builds and runs multi-agent AI systems in production for large companies in the DACH region, which means Germany, Austria and Switzerland. Its about page says it has completed "over 3,500 projects in AI, data science, and data engineering" since 2012 [25]. That is its own count, and the page lists no projects behind it. Every fact about Alexander Thamm here comes from its own pages. It was not in Anthropic's directory on 21 October 2026 [1].

Fits: large companies in Germany, Austria and Switzerland that want a firm whose main work is AI, with offices across Germany, to build and run agent systems.

Pick someone else if: you work outside the German-speaking market. Its homepage names companies in the DACH region as its buyers.

13. dataroots

dataroots prints "dataroots BV" and the VAT number BE0668591405 in its site footer. The Belgian KBO register lists that number, 0668.591.405, as active, at Arnould Nobelstraat 32 in Leuven, with a start date of 30 December 2016 [27]. The register gives the name TALAN BELGIUM for it, shown since 31 July 2026. Its homepage says, "We are part of the Talan Group, a network of digital experts". It names more offices in Ghent and in Utrecht. Its pages describe generative AI, machine learning models and cloud data platforms in general terms, and the pages read show no named AI project. Anthropic's directory has no entry for dataroots, and it lists Talan at the Select tier [1].

Fits: Belgian and Dutch companies that want a data and AI team close by, inside a larger group.

Pick someone else if: you want to read a detailed AI project before you call. Its pages show none.

14. Fuzzy Labs

Fuzzy Labs gives its office at 61 Oxford Street in Manchester. Companies House lists Fuzzy Labs Limited as an active company, incorporated on 11 January 2019, with its registered office in Stockport [29]. Its homepage says, "Fuzzy Labs use open source MLOps to help build and productionise AI models." MLOps is the work of putting machine learning models into use, then watching and updating them. Open-source software is software whose code anyone may read, change and share. Its case study, titled "Building an AI Assistant to Halve Police Case File Prep Time", names South Yorkshire Police as the client and says the work was backed by the Police Science and Technology Fund [28]. The words "halve" and the client name come from Fuzzy Labs' page, and the police force's own statement was not read. Fuzzy Labs was not in Anthropic's directory on 21 October 2026 [1].

Fits: UK teams that already have a model or an AI assistant and need it put into use, watched and kept running.

Pick someone else if: you need a large team, or a whole product designed and built.

15. Netcompany

Netcompany gives its head office at Strandgade 3 in Copenhagen and names offices in Aarhus, London, Oslo, Stockholm, The Hague, Warsaw, Athens and Brussels, among others [47]. Its Annual Report 2025 lists its shares on Nasdaq Copenhagen, gives total revenue of DKK 7,891.7 million for 2025, and gives an average of 7,960 full-time employees that year [30]. The report says 2025 revenue includes Netcompany Banking Services, formerly SDC, from 1 July 2025. Its about page gives a different measure: "more than 9,500 professionals across more than 10 countries". Netcompany describes Feniks AI as its framework for "AI-accelerated enterprise software delivery", and says Feniks AI "can speed up development time by up to 45%" [31]. That is its own figure, and the page shows no working. Every fact here comes from Netcompany itself, through its website or its annual report. It was not in Anthropic's directory on 21 October 2026 [1].

Fits: governments and regulated companies in the Nordic countries, the UK, Belgium and Greece that need a large supplier to rebuild critical systems with AI in the build process.

Pick someone else if: you are a startup or need a small product team.

16. adesso

adesso gives its head office as adesso SE, Adessoplatz 1, Dortmund, and says it has "Over 65 locations worldwide In 18 countries worldwide" [44]. SE marks a European company, a legal form that can work across EU countries under one set of rules. Its Annual Report 2025 gives 11,298 employees, counted as full-time equivalents, at the end of 2025, and sales revenue of EUR 1,465,782 thousand for the year [32]. A full-time equivalent counts two half-time staff as one. In a press release dated 20 October 2026, adesso says SOKA-BAU, the social security funds for the German construction industry, worked with it to build its own AI platform, giving "around 880 employees" access to generative AI [33]. Every fact here comes from adesso itself. Anthropic lists it as adesso SE at the Select tier [1].

Fits: organisations in Germany, Austria and Switzerland, public bodies among them, that want a large local supplier to build AI systems they keep under their own control.

Pick someone else if: you want a small senior team.

17. Reply

Reply gives its Turin office at Reply House, Via Ottavio Revel 9, and its offices page lists offices in eleven European countries, among them Milan, Munich, Gütersloh and Paris [45]. Its Half-year Financial Report 2026, signed in Turin on 30 July 2026, describes a "network structure made up of companies specialised in processes, applications and technologies", gives revenues of EUR 1,311,932 thousand for the first half of 2026, and gives a headcount of 17,297 at the end of that half [34]. Its own case study says Storm Reply, one of its group companies, developed an AI chatbot for Audi's internal documents "within four weeks based on the Amazon SageMaker service", Amazon's service for building machine learning models. Audi's own statement was not read. Every fact here comes from Reply itself. Anthropic lists Reply at the Select tier [1].

Fits: large companies in Italy, Germany, France and the UK that want a specialist company inside a big group to build AI systems.

Pick someone else if: you want one small team that owns the whole product.

18. Endava

Endava is a public company registered in England and Wales. Its Form 20-F, the annual report a foreign company files with the US Securities and Exchange Commission (SEC), for the year to 30 June 2025, gives its registered office at 125 Old Broad Street, London, 11,479 employees at 30 June 2025 and revenue of £772.3 million for that year [35]. The same filing places 1,082 delivery staff in Cluj-Napoca and 909 in Bucharest, both in Romania. It says its delivery locations "are principally located in" EU countries (Bulgaria, Croatia, Poland, Romania and Slovenia), four other Central European countries, Latin America, South East Asia and India. No later annual report appeared in the SEC's list on 21 October 2026, so these are the latest annual figures found. Endava calls its AI-based delivery method Dava.Flow and says "it typically reduces time-to-market by up to 40 per cent" [36]. That is its own figure, and no working is shown. Every fact here comes from Endava itself. It was not in Anthropic's directory on 21 October 2026 [1].

Fits: banks, payment firms and insurers in the UK and Europe that want a large team in Romania and nearby countries working to an AI-based delivery method.

Pick someone else if: you want a small team or a firm whose only work is AI.

19. N-iX

N-iX says it "started out as Novellix in 2002" in Lviv, Ukraine, and names offices in Lviv, Kyiv, Kraków, Wrocław, Warsaw, Bucharest, Malmö, Sofia and London [37]. Its legal notice names N-iX Ltd, registration number C 91367, at 157 Archbishop Street in Valletta, Malta [38], and its own office list marks Malta as its HQ. The Malta register was not opened, so that number comes from N-iX itself. Its contacts page counts "10 countries 13 offices 2,400+ engineers". Its homepage describes a pilot step for AI engineering tools: "4 to 6 weeks: Three to five workflows run on your real code, with your real engineers, against a baseline agreed at the start." A baseline is the measurement taken before a change, so the result can be compared with it. Apart from its tier in Anthropic's directory, every fact here comes from N-iX's own pages. Anthropic lists N-iX at the Select tier [1].

Fits: enterprises that want a large engineering team in Ukraine and Poland, and a measured trial before AI tools are used across the team.

Pick someone else if: you want a small studio or a team led by designers.

20. Capgemini

Capgemini is registered in the French company register as Capgemini SE, SIREN number 330703844, with its seat at 11 Rue de Tilsitt in Paris [39]. SIREN is the identity number France gives each company. The register gives 19 September 1984 as the date the legal entity was created, and Capgemini's own about page dates the group from 1967. In a results press release, Capgemini says its total headcount was 417,600 on 30 June 2026 and its revenues were €12,082 million for the first half of 2026 [40]. Its own text in Anthropic's directory gives "420,000 team members in 50+ countries". Its data and AI page says it has invested in the OpenAI Deployment Company. Anthropic lists Capgemini at the Global Premier tier [1].

Fits: large organisations that want one global supplier for the strategy, the build and the running of AI systems across many countries.

Pick someone else if: your project is one product or one team.

Where the offices are

Counting every European office named on the pages read, London appears for six firms: Infinum, Netcompany, adesso, Reply, Endava and N-iX [44] [45]. Berlin and Munich appear for five firms each, and Kraków, Warsaw, Frankfurt and Bucharest for four each. Endava's two Romanian cities come from staff counts in its filing. Capgemini and Endava are counted only where the pages read name them: Capgemini at its Paris seat, and Endava in London, Cluj-Napoca and Bucharest. Capgemini's directory text says it has "420,000 team members in 50+ countries", and Endava's filing names many more European countries where it has delivery locations, so both may have offices in more of these cities.

In Kraków the four firms are Software Mansion, Miquido, Unit8 and N-iX. Miquido gives Zabłocie 43a, N-iX gives 43A ul. Zabłocie and Software Mansion gives Zabłocie 43b. They are three separate companies at neighbouring addresses on the same street. AI development companies in Central and Eastern Europe gives every office in Poland, Croatia, Czechia, Ukraine, Romania and the countries near them.

Choosing a type of firm

A product studio is a firm that designs and builds a whole software product for a client with one team, from research and design to engineering. An AI-first firm puts models, data and AI agents at the centre of what it sells. A large IT group sells many services to large clients, with AI as one practice among them. Each kind has its own page: European product studios that build AI, European AI-first firms and large European IT groups with an AI practice.

Price and pay

Miquido's "$ 15,000 +" and "$ 40,000 +" are the only prices printed on the firms' pages read for this guide. Monterail and N-iX publish how long some of their steps take, with no price. For any other firm, ask for a quote written for your project. Official statistics show what the people who do the work earn. Statistics Denmark gives software developers average standardized monthly earnings of DKK 69,686.37 for 2025, a figure that includes pension and fringe benefits [41]. Statistics Netherlands gives a median gross hourly wage of EUR 34.5 for software and application developers in 2025, a provisional figure, meaning a first estimate that may still change [42]. Statistics Poland gives average gross monthly pay of PLN 15,629.51 for computer systems analysts and programmers, its group 251, in October 2024, in a study it publishes every two years [43]. What AI development costs in Europe, by country explains each figure and its conditions.

Before you contact a firm

Write down the problem, the data, the people who will use the system and the date you need it, and send the same document to every firm. The European AI project brief template gives you that document to print and fill in. To talk through a project with the first firm on this list, contact Reveneau. For the general question of picking any software partner, read how to choose a software development partner.