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Mobile Gaming Companies in London: 60+ Active Firms (2026)
Mobile gaming companies create, publish and monetise smartphone and tablet games for consumers, with London bases across development, publishing and commercial roles.
Commercial control tends to sit between product, user-acquisition, analytics, monetisation and live-operations teams, rather than a central enterprise-procurement function. London-based operators usually sell to consumer players through platform distribution, while also managing advertiser demand, payment flows and community operations. Engagements are therefore a mix of low-value consumer transactions, recurring virtual-item economies, subscription access and advertising yield management. The buyer profile is operationally specialist: teams need performance marketing discipline, game design capacity, engineering support and enough analytics capability to tune retention and monetisation after launch. Smaller studios often look like creative product teams; scaled publishers add portfolio management, licensing and cross-border commercial roles.
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London accounts for 60 actively trading mobile gaming companies in this list, a small but visible city cohort spanning studios, publishers and commercial operators. The employment footprint is also concentrated: these firms report 881 employees in total, reflecting a market where a handful of publishers can carry much of the headcount while many studios remain lean. That structure matters for researchers because revenue scale, publishing reach and user-acquisition capacity are likely to differ sharply between firms that own live portfolios and firms still proving an initial title or outsourced production model.
Mobile-game developers and publishers are not licensed as a standalone UK sector, but distribution and monetisation sit inside several regimes. Age classification uses the PEGI system, with legal backing for restricted ratings on physical sales. Loot-box mechanics attract policy attention where randomised items are offered through real-money, virtual-currency or gameplay-reward routes, because the same design can raise consumer-protection and gambling-adjacent concerns. HMRC reliefs also affect production economics: eligibility depends on cultural certification, and the older video-games tax relief regime is being replaced by Video Games Expenditure Credit. CMA scrutiny of mobile ecosystems adds a market-structure layer around app distribution, in-app purchase rules and cloud gaming.
London studios appear likely to remain split between lean creative teams and publisher-style operators with live-service portfolios. Early commercial risk tends to sit in user acquisition, retention and platform dependency, rather than in enterprise sales cycles. Scale-ups may keep prioritising analytics, monetisation design and cross-functional live operations as paid acquisition remains costly and platform rules tighten. Consolidation also looks plausible where smaller teams need publishing reach, technical operations or portfolio diversification. The constraint is not a shortage of game concepts; it is the ability to turn attention, compliance and repeat spending into durable consumer businesses without relying on a hit-led model.
60
Active firms
2026
5
Above £5M
Reported turnover threshold
11
Newer firms
Incorporated since 2022
Key facts
About 8% of the trading cohort reports turnover above £5M (5 of 60 firms) — the rest sits below that revenue band.
18% of the cohort was incorporated since 2022 (11 firms), so a sizeable share is in its first few filing cycles.
Ukie says the UK video-games market reached £8.76 billion in 2025, up 7.4%, while mobile-games spend grew 7.9% to £2.07 billion.
GOV.UK says video games are classified under the PEGI system, and PEGI 12, 16 and 18 ratings have legal backing.
Loot boxes are treated in policy work as randomised in-game items that may be bought with real money, virtual currency or gameplay rewards.
Video-games tax relief closes to new productions after 31 March 2025 and fully from 1 April 2027, with Video Games Expenditure Credit potentially available instead.
The CMA has examined mobile ecosystems, including app distribution, in-app purchase rules and cloud gaming.
Top London mobile gaming companies
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops and operates mobile games for smartphones and tablets, including multiplayer, simulation and cooking-themed titles. Designs, publishes and maintains games such as Snake Rivals, Cook & Merge…
Serves consumers who play mobile and tablet games, including families and fans of merge, cooking, restaurant, snake, multiplayer arena, home design and life simulation games.
Financial Health
DistressedDistressed · -6% CAGR over 4y
Location
Develops and publishes mobile racing and car‑themed video games. Titles include F1 Clash, Top Drives and Matchcreek Motors, featuring racing management, car collection, customisation and match‑3…
Targets consumer mobile gamers worldwide rather than business or public-sector buyers, especially players interested in racing, motorsport management, car collecting, vehicle restoration,…
Location
Develops and operates mobile video games for smartphones and tablets, including strategy and multiplayer titles, and manages live game services such as updates, in‑game events, and player support for…
Serves global consumer audiences of mobile game players, including casual, social and competitive players, with additional information aimed at parents and player communities.
Location
Marmalade Game Studio Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes digital adaptations of licensed board games for mobile devices, PC and game consoles. Titles include Monopoly, Cluedo, The Game of Life and Ticket to Ride, distributed via app…
Serves consumers and families who play digital board games on iOS, Android, PC and consoles, including fans of classic tabletop titles and party games.
Financial Health
HealthyHealthy · Hiring · 93% CAGR over 5y
Location
Develops and publishes mobile games through a network of internal studios. Provides data analytics, tools, and operational support to game development teams and manages a portfolio of casual mobile…
Serves consumers worldwide who play mobile games, particularly casual gamers on smartphones and tablets seeking entertainment titles.
Location
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes story‑driven mobile games, including interactive narrative and dating simulation titles such as Love Island The Game, allowing players to make choices that shape characters,…
Sells to consumers worldwide, particularly mobile gamers interested in story-driven interactive fiction and romance games, including fans of Love Island and players using iOS and Android app stores.
Financial Health
StableStable · -77% CAGR over 3y
Location
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes free‑to‑play video games, primarily for mobile platforms, including game design, programming, live operations, ongoing content updates, and player support services.
Targets consumer video game players, particularly free-to-play audiences interested in collect, nurture and train gameplay.
Financial Health
HealthyHealthy · Hiring · 35% CAGR over 4y
Location
NATURALMOTION GAMES LIMITED
Trajectory
3y · 2020–NowFinancial sub-scores
Computed from 3 filingsDevelops and publishes mobile video games, including racing and action titles such as CSR Racing and Star Wars: Hunters, using proprietary animation and physics technology as part of Zynga/Take-Two’s…
Serves consumer gamers worldwide, particularly mobile and console players interested in racing, action, and franchise-based titles, with additional educational resources aimed at parents, children,…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 20% CAGR over 2y
Location
Reality Games (London) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes mobile games that use real‑world geolocation and player‑generated data. Operates a game engine for location‑based gameplay and produces titles such as property trading and…
Serves consumers who play location-based and augmented reality mobile games, including players interested in real-world map, property and geolocation game mechanics.
Financial Health
StableStable
Location
Grumpy Rhino Games Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes idle and incremental mobile games, including titles such as NecroMerger, Idle Mastermind and Idle Apocalypse, featuring merge, base‑building and management gameplay distributed…
Targets consumers who play free-to-play idle and merge games, especially casual gamers interested in monster, villain, cult and apocalypse-themed gameplay.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
Develops and publishes mobile games and digital entertainment content, including the Talking Tom & Friends franchise. Produces interactive apps and animated video content distributed through mobile…
Targets a global B2C audience of mobile gamers, children, families and casual entertainment viewers, with content positioned as safe, family-friendly fun for all ages.
Location
Formation Games Studio Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops sports-themed video games, including a free-to-play mobile football management and ownership game that lets players run and manage a football club. Operates as an independent studio focused…
Targets B2C mobile gamers and sports fans, especially football supporters worldwide interested in football club ownership and management experiences through free-to-play games.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and operates a mobile multiplayer treasure‑hunt shooter game for iOS and Android where players join timed hunts, locate virtual chests, earn in‑game tokens, and win physical prizes after…
Targets mobile gamers on iOS and Android who play free-to-play shooter and treasure-hunt games; also serves consumer brands seeking creator-hosted in-game hunts to reach gaming audiences.
Financial Health
StrongStrong
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and operates free‑to‑play digital card games for mobile and PC platforms. Produces titles based on the Warhammer universe, including Warhammer Horus Heresy: Legions and Warhammer 40,000:…
Serves B2C gamers worldwide, particularly Warhammer 40,000 and Horus Heresy fans who play free-to-play digital card games on mobile devices and PC via Steam.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
Scriptic Ltd
Trajectory
5y · 2024–NowFinancial sub-scores
Computed from 5 filingsDevelops narrative-driven video games and interactive crime dramas for mobile, console and streaming platforms. Combines live‑action video, branching storylines and AI tools to create cross‑platform…
Sells to both consumers and businesses: players of true-crime narrative games, plus B2B partners including streaming platforms, game publishers, brands, and innovation teams seeking interactive…
Financial Health
DistressedDistressed · -35% CAGR over 2y
Location
Grand-Attic Holding Company Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDevelops and distributes mobile video games for smartphone platforms. Builds and publishes casual games, such as Pocket Land, and supports remote development teams focused on creating and releasing…
Targets consumers who play mobile games, particularly Android users accessing games through Google Play.
Financial Health
WeakWeak
Location
PIXION LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops competitive mobile video games. Produces titles such as Fableborne, an action role‑playing game with base‑building and asynchronous PvP battles, and integrates blockchain features including…
Sells to consumers, specifically mobile gamers seeking short-session competitive play, including action RPG, strategy, PvP and blockchain/NFT gaming audiences.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
Lion Studios Limited T/A Lion Creative Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsPublishes and markets mobile games for third‑party developers, providing user acquisition, monetisation, analytics, and distribution support. Works with game studios to launch titles on app stores…
Serves mobile game developers of all sizes, including independent studios and game teams seeking publishing, marketing, monetization and growth support for mobile titles.
Financial Health
StableStable · -6% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and publishes video games, specialising in puzzle and adventure titles. Creator of The Room series and other single‑player puzzle games released for mobile devices, PC, consoles, and virtual…
Sells to consumer gamers who play puzzle, mystery and adventure titles on mobile, PC, console and VR platforms, including Meta Quest, SteamVR and PlayStation VR2.
Financial Health
DistressedDistressed
Location
Z3 BROS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops mobile video games and Web3 gaming platforms. Creates blockchain-based mobile titles and a metaverse environment where players battle, earn in‑game coins, and collect digital assets,…
Targets consumers who play mobile games, especially Web3/metaverse users seeking digital ownership and play-to-earn features, alongside player communities, creators and developers participating in…
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes family‑friendly video games for mobile and handheld devices. Works with television production companies and entertainment brands to create licensed quiz and entertainment apps…
Serves TV production companies and global brand owners seeking family-friendly mobile game/app adaptations, while also reaching consumers who play handheld and mobile games based on entertainment…
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
FERAL INTERACTIVE LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsPublishes and ports video games for Mac, Linux, Nintendo Switch, iOS and Android platforms. Adapts existing PC and console titles for new operating systems and devices, and distributes and supports…
Sells to consumer gamers using Mac, Linux, Nintendo Switch and mobile platforms, with multilingual support and country selection indicating an international direct-to-consumer audience.
Financial Health
WeakWeak · 2% CAGR over 3y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and publishes video games, primarily the action roguelike title Vampire Survivors, along with related expansions, spin‑offs and collaborations, distributing titles across PC, console, mobile…
Sells to consumers who play indie action and roguelike games on PC, consoles, mobile, VR and digital game platforms including Steam, Xbox, PlayStation, Nintendo Switch, iOS, Android, Epic, Apple…
Financial Health
StrongStrong · Growing, Hiring · 116% CAGR over 2y
Location
Trajectory
4y · 2022–NowDevelops and publishes hidden object puzzle adventure video games. Offers story‑driven point‑and‑click titles featuring item search scenes and logic puzzles, available for download on Windows, macOS,…
Sells to consumers who play casual hidden-object and puzzle-adventure games on Windows, Mac, iOS, Android and Kindle Fire, including players seeking story-driven mystery, detective and romance titles.
Financial Health
Insufficient historyInsufficient history
Location
Trajectory
3y · 2020–NowFinancial sub-scores
Computed from 3 filingsDevelops and publishes mobile casual games that incorporate play‑to‑earn mechanics, allowing players to earn cryptocurrency rewards through gameplay. Operates a portfolio of mobile titles and related…
Serves consumers globally, especially mobile gamers and crypto users interested in casual play-and-earn games, rewards, competitions and community participation.
Financial Health
DistressedDistressed
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and publishes video games for PC, console and mobile platforms. Produces multiplayer and strategy titles such as Century: Age of Ashes and Instant War, and manages distribution, marketing…
Sells to consumers in the gaming market, targeting players of free-to-play multiplayer and strategy games across PC, console and mobile platforms.
Financial Health
HealthyHealthy · -8% CAGR over 2y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops and publishes video games and mobile apps through multiple labels. Operates studios and publishing divisions that create and distribute simulation games, indie titles and educational…
Serves global video game consumers, including casual gamers, simulation enthusiasts and children using educational entertainment apps, and works B2B with independent game studios seeking a publishing…
Financial Health
StableStable · 0% CAGR over 3y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes video games for PC, consoles, and mobile platforms. Produces narrative adventure and puzzle titles, including mystery games such as Tangle Tower and Crow Country, and…
Serves consumer gamers across desktop, console and mobile platforms, including players on Steam, Nintendo Switch, PlayStation, Xbox, iOS and Android, with puzzle, mystery and adventure game interests.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Nitrome Games Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes video games for web browsers, mobile devices, and consoles. Operates an online gaming website offering free HTML5 and classic browser games, including arcade, puzzle, platform…
Targets consumers who play casual and retro-style games online and on mobile, console, PC/Mac and TV platforms, including fans of arcade, puzzle, action and skill games.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops video games for mobile, web and PC platforms. Current projects include Mindset Go!, a browser and mobile puzzle game, and Beneath The Six, a multiplayer turn‑based roguelike dungeon…
Sells to consumer gamers, including mobile and web puzzle game players and PC players on Steam interested in multiplayer turn-based roguelike dungeon games.
Financial Health
StableStable · Hiring · 25% CAGR over 2y
Location
TRIUMPH GAMES LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes video games, including action, RPG and strategy titles for mobile and PC. Integrates blockchain and Web3 features such as digital asset ownership and trading, and builds…
Targets B2C gamers interested in free-to-play Web3-enabled action, RPG, MMORPG, shooter and strategy games across mobile and PC, including players seeking multiplayer PvP, digital asset ownership and…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 5y
Location
Trajectory
4y · 2020–NowDevelops and publishes independent video games. Produces and distributes titles such as Starbound, Wargroove and Witchbrook, and partners with external developers to publish pixel‑art, strategy,…
Serves indie game players on PC and mobile, especially fans of pixel-art, sandbox, strategy, adventure and multiplayer titles; also targets independent game developers seeking publishing support.
Financial Health
Insufficient historyInsufficient history
Location
TERRA TEK STUDIOS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes video games, including the sandbox building and combat game TerraTech. Produces downloadable game content, distributes games via digital platforms, and maintains online…
Sells to individual video game players who buy and use its games and DLC through platforms such as Steam, Humble and consoles, with some use via educational institutions.
Financial Health
StrongStrong · Hiring · 8% CAGR over 5y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes video games for PC, console and mobile platforms. Provides digital and retail game publishing, funding and distribution across multiple storefronts, and undertakes in‑house…
Serves game studios and IP owners seeking publishing, distribution, funding, co-development or work-for-hire support for PC, console and mobile titles, alongside consumers buying its games.
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and publishes mobile games, including the “100 PICS” picture quiz app for iOS, Android, and Amazon platforms. Also provides tools and services for Amazon marketplace sellers, including…
Serves mobile game consumers on iOS, Android and Amazon, and sells business services to Amazon sellers seeking advertising and seller support.
Financial Health
StableStable · 0% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops mobile games and operates the Jeton mobile app, which offers puzzle, trivia and arcade games with cash rewards and provides cashback on purchases made through partnered retail brands.
Targets consumers using mobile apps, especially casual gamers and online shoppers who want cash rewards, cashback from retail brands, and earnings from everyday phone activity.
Financial Health
DistressedDistressed
Location
Develops and manages children’s entertainment brands including mobile games, apps and digital worlds. Produces educational and sleep-focused kids’ audio content, learning games, and personalised pet…
Serves consumers globally, especially families with children aged 0-12, toddlers and young kids aged 3-8, plus pet owners buying personalised products and players of family-friendly games.
Location
Trajectory
2y · 2021–NowFinancial sub-scores
Computed from 2 filingsDevelops and co-develops video games for PC and console platforms, creating titles such as Gears Tactics, Halo: The Master Chief Collection and Star Wars: Hunters, and working on new multiplayer and…
Targets video game players and fans of console, PC and mobile titles, including audiences for franchises such as Star Wars, Gears and Halo.
Financial Health
DistressedDistressed
Location
Played Limited
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsDevelops video games for mobile, console and PC platforms. Provides end‑to‑end game development, co‑development and live operations for original and licensed intellectual properties, including…
Serves B2B clients including games publishers, entertainment brands, licensed IP owners and studios across console, mobile and PC games, including tabletop, sports, film and consumer brand sectors.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
GAMESTAKE TECHNOLOGIES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops backend‑as‑a‑service and rewards‑based monetisation tools for game developers, including game backend infrastructure and optimisation products. Also develops and publishes rewarded gaming…
Serves game studios and publishers, consumer brands seeking rewarded-play audiences, and mobile gamers; a mix of B2B customers in gaming/adtech and B2C app users.
Financial Health
StableStable
Location
Scary Beasties Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops online, mobile and augmented reality games and interactive apps, primarily for children’s entertainment brands. Produces titles for iOS, Android, HTML5 and Unity platforms, including…
Serves B2B entertainment and media clients, especially children’s brands, broadcasters, publishers and IP owners seeking games and AR/mobile apps for kids and family audiences.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 2y
Location
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsProvides marketing and publishing services within a technology and video gaming group, supporting promotion, user acquisition and distribution of mobile, VR and multiplatform video games developed by…
Serves mobile game developers, app publishers, game studios and studio partners within the global video gaming and mobile technology sectors, alongside end users such as gamers and survey-panel…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 236% CAGR over 2y
Location
FIREBOLT GAMES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops digital games for mobile, console and Roblox platforms, and creates augmented reality experiences. Uses proprietary SpatialVision technology to link physical toys and products with…
Serves B2B clients such as consumer brands, toy manufacturers and entertainment/IP owners seeking mobile, Roblox, console and augmented-reality game experiences tied to physical products or brand…
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
MOBYGAMES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsOperates an online gaming platform that provides subscription access to a library of licensed retro video games. Streams classic titles from various publishers to PC, mobile devices, consoles, and…
Sells to individual consumers and gaming enthusiasts who are retro gaming fans, including PC, Mac, mobile, console and smart TV players interested in classic titles, tournaments, challenges and…
Financial Health
StableStable
Location
ECOENERGY ENGC LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and operates a blockchain-based platform featuring a mobile strategy game, cryptocurrency token and NFTs that simulate clean‑energy factory building, and uses community contributions and…
Targets consumers and retail crypto users interested in blockchain gaming, NFTs, token investment, community crowdfunding and clean energy projects, including active players, contributors and early…
Financial Health
HealthyHealthy · Hiring · 123% CAGR over 2y
Location
Trajectory
2y · 2021–NowFinancial sub-scores
Computed from 2 filingsDevelops and co-develops video games for PC and console platforms, contributing to titles such as Gears Tactics, Halo: The Master Chief Collection, Gears 5 and Star Wars: Hunters, and working on new…
Serves video game consumers, particularly players of action, shooter, strategy and survival titles, including audiences for Star Wars, Gears of War and Halo franchises.
Financial Health
StableStable
Location
TEACH YOUR MONSTER
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and operates educational games for children that teach phonics, reading, and early mathematics. Provides browser and mobile learning games used at home and in schools, along with teaching…
Serves parents, teachers and primary/early years schools seeking educational games for children learning phonics, reading, early maths and healthy eating at home or in classrooms.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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How London mobile gaming companies work and how to sell to them
What they do
Mobile gaming companies earn by turning short, repeat consumer sessions into paid downloads, in-app purchases, subscriptions, advertising impressions and licensing income. Product economics are portfolio-based: a studio may build one title and seek publishing support, while a larger operator manages several live games with content calendars, pricing tests and user-acquisition budgets. Contracted revenue is less central than in B2B software. Supplier spend often maps to launch phases, platform submissions, localisation, creative production and ongoing live operations. Gross margin can look attractive once a title scales, but paid acquisition, platform fees and content refresh cycles usually absorb cash before payback is clear.
Who they sell to
Their own customers are mostly consumers, so there is no classic CFO-led sale for core game revenue. Where B2B relationships exist, they usually involve ad networks, media buyers, platform account teams, licensors and publishing partners. Decisions sit with heads of product, monetisation, user acquisition, studio leadership and finance, with engineering and analytics pulled in for SDK, payment or attribution work. Small tools and services can be bought directly by functional leads through self-serve or direct sales; larger publishing, licensing or co-development arrangements tend to involve founder-level approval, contract review and longer negotiation. Formal RFPs are less common outside larger publishers.
What they buy
Most London mobile gaming firms tend to spend on game engines, cloud hosting, analytics, attribution, A/B testing, crash reporting, observability, payment operations, ad monetisation, fraud prevention, security, customer support and community moderation. They also buy creative production, localisation, QA, audio, legal advice, accountancy, tax-credit support, recruitment and performance marketing services. Smaller studios may favour usage-priced tools and outsourced production capacity; larger publishers are more likely to need finance systems, portfolio reporting, data warehousing, privacy tooling and HR processes. Sellers should expect technical due diligence where an offer touches player identity, monetisation flows, platform compliance or live-game stability.
Why and how to sell to them
Buying intent often appears around a title launch, a soft-launch result, a funding round, a leadership hire, the move from one live game to a portfolio, or a change in platform rules. Pain points tend to be measurable: acquisition costs, retention decay, payment leakage, ad-yield volatility, moderation load, crash rates and reporting gaps between product and finance. Outbound works better when it speaks to a specific operating metric rather than a generic growth promise. Useful angles include shorter content-production cycles, lower false positives in fraud review, cleaner revenue recognition, faster compliance evidence, or clearer cohort-level payback on marketing spend.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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