Top Gaming companies in London

Studios, engines, tooling, and platforms across console, PC, mobile, and web. Filtered to companies headquartered in London.

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Ranked by current headcount across Gaming companies headquartered in London. Refreshed monthly.

1
Entain· London, England, United Kingdom
There’s nothing like a career at Entain. We’re a leading, global sports betting and gaming company, delivering the most entertaining experiences, powered by technology, with market-leading player protection built in. In this environment, with our game-plan, and your energy and impact, you’ll perform at the height of your potential.We’re a FTSE company with 28,000 passionate people across five continents, known for iconic brands including Ladbrokes, Coral, BetMGM, Eurobet and bwin. Every day we give millions of players unmatched experiences. Whether you’re an engineer, marketer or retail specialist, a career here is a complete game changer.
- Post-IPO debt
- 19k employees
- Founded 2001
2
OnlyFans· London, England, United Kingdom
OnlyFans empowers creators to own their full potential. OnlyFans is a place for creators from all genres and is committed to building the most inclusive and safest social media platform in the world. OnlyFans is a space for creators to express themselves freely, monetize content, and develop authentic connections with their fans. We continue to put power into the hands of creators by developing unparalleled opportunities for our community.
- Private equity
- 6.3k employees
- Founded 2016
3
IMG· Brentford, England, United Kingdom
IMG is a leading global sports marketing agency, powering growth of revenues, fanbases and IP for more than 250 rightsholders. We specialize in media rights, multi-channel content production, brand partnerships, strategic consulting, digital, and event management.
- 5.3k employees
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4
Video Editor· London, England, United Kingdom
video editor
- 4.2k employees
5
Any One Thing· London, England, United Kingdom
Small, independent theatre production company.
- Seed
- 3.3k employees
- Founded 2019

6
Side· London, England, United Kingdom
Side (formerly PTW) is a global video game development and services partner, offering technical and creative solutions to many of the largest developers and publishers around the world. Founded in 2009 and drawing on 30+ years' experience from our parent company in Japan, Side has since grown to become a global force with 15+ studios in over a dozen countries across North America, Europe, South America, and Asia. Our industry-leading services include co-development, art, audio, quality assurance, localization, localization QA, player support, community management, and datasets. At Side, we drive innovation for unforgettable game experiences by infusing technology with human ingenuity. We work in every genre, on every platform, in all languages – bringing games to life, by your side.
- 3.2k employees
- Founded 2009
7
ODEON Cinemas Group· London, England, United Kingdom
ODEON Cinemas Group is proud to be Europe's largest cinema operator, with brands in the UK, Ireland, Sweden, Finland, Norway, Spain, Italy, Germany and Portugal.We welcome 100 million+ guests each year to enjoy great hospitality while watching the latest films and entertainment in 290+ cinemas and 2,500 screens. We make movies better by developing world-class cinemas that deliver memorable entertainment experiences for our guests, while offering fantastic careers for our people.As an AMC company, ODEON Cinemas Group is part of the largest movie exhibitor in the world with around 950 theatres and 10,500 screens. Together, we make movies better.ODEON IN THE UK & IRELANDFounded in 1930, ODEON is the largest and best-known cinema chain in the UK and Ireland. Since then, the world-famous ODEON Luxe Leicester Square has hosted hundreds of Europe’s biggest film premieres and was the first Dolby CinemaTM in the UK.Perry Barr in Birmingham saw the first ODEON cinema open in 1930, and established the brand as not only somewhere to watch films, but somewhere to experience them too. Iconic art deco architecture and the very latest technology became synonymous with ODEON where you didn’t just go to see a film, you ‘went to the cinema’.As well as our amazing cinema colleagues, we have teams working behind the scenes across the region and in our support offices in London, Manchester and Dublin, as well as in our Guest Service Centre.OUR VISIONCreating inspiring entertainment experiences for every guest, with safety at the heart of everything we do.OUR VALUESFun & PassionTrust & RespectQuality & ServiceCo-operation & Accountability
- 2.5k employees
- Founded 1930
8
Pub· Greater London, England, United Kingdom
-
- 1.5k employees
- Founded 2005
9
Testronic· Croydon, England, United Kingdom
Testronic is a global QA partner to the video games industry, specializing in Functionality QA for complex, high-performance titles to ensure flawless launches. For over 25 years, we have partnered with developers and publishers to secure the successful launching and scaling of games. With Centers of Excellence in Warsaw, New Orleans, and Manila, we deliver world-class testing across platforms and regions. Player-focused, partner-first, and outcomes-led, we work as an extension of client teams to deliver the best possible player experience.
- Series unknown
- 1.4k employees
- Founded 1998
10
The Sunshine Company· London, England, United Kingdom
Sunshine is a strategic consultancy and integrated design and creative studio specialised in the convergence of brand and entertainment.Contact us at hello@thesunshinecompany.com
- 1.2k employees
- Founded 2011

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Find engineers at Gaming companies in London

London has long been a hub for Gaming, and the list above ranks the largest Gaming companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 815 matching companies in Refolk’s index, this is a good map of where the Gaming talent in London lives - useful whether you’re recruiting, partnering, or sizing a market.

The biggest Gaming companies in London tend to be the gravitational centres for specialised talent - senior engineers, ML researchers, applied scientists, designers - while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for “Gaming engineers in London hiring senior staff” or “founders of Gaming companies in London who left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled Gaming companies headquartered in London from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes monthly.

Last refreshed: Sat, 19 Sep 2026 20:30:04 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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