Company lists · Data refreshed September 2026

Top 25 Game outsourcing services based in the United Kingdom

Name: Game outsourcing services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 121 companies tracked

RevenueBase identified 121 game outsourcing services headquartered in the United Kingdom as of September 2026 and tracks 5,268 professional contacts across them, including 1,882 with verified work emails. London is the largest hub.

This list covers game outsourcing services headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

121Companies

5,268Contacts tracked

1,882Verified emails

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The 25 largest game outsourcing services based in the United Kingdom

Ranked by team size

Top 25 of 121 game outsourcing services based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to game outsourcing services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SIDE	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	1,208 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
2	Sumo Digital LTD	Partial evidence	Sheffield, United KingdomHQ checked Sep 21, 2026	1,001-5,000	542 contacts →
	Partial evidence “Since 2003, Sumo Digital has been creating award winning games across all genres and platforms.” Source: RevenueBase Database · checked Sep 21, 2026
3	Universally Speaking	Strong evidence	Wyboston, United KingdomHQ checked Sep 21, 2026	201-500	428 contacts →
	Strong evidence “Universally Speaking is a trusted global outsourcing partner to the games industry, specialising in QA, Localisation, Audio, and Customer Support.” Source: RevenueBase Database · checked Sep 21, 2026
4	Climax Studios	Partial evidence	Portsmouth, United KingdomHQ checked Sep 21, 2026	51-200	298 contacts →
	Partial evidence “At Climax Studios, A Keywords Studio, we specialise in co-development, delivering cutting edge solutions for some of the world's biggest and most innovative video game titles…” Source: RevenueBase Database · checked Sep 21, 2026
5	The Multiplayer Group MPG	Partial evidence	Nottingham, United KingdomHQ checked Sep 21, 2026	51-200	231 contacts →
	Partial evidence “The Multiplayer Group (MPG) is a trusted games studio specialising in co-development and full-development for global partners.” Source: RevenueBase Database · checked Sep 21, 2026
6	Electric Square	Indirect evidence	Brighton, United KingdomHQ checked Sep 21, 2026	201-500	198 contacts →
	Indirect evidence “A Keywords Studio.” Source: RevenueBase Database · checked Sep 21, 2026
7	Inlingo Gamedev Outsourcing Studio	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	161 contacts →
	Indirect evidence “INLINGO was founded in 2012.” Source: RevenueBase Database · checked Sep 21, 2026
8	Expression Games	Partial evidence	Manchester, United KingdomHQ checked Sep 21, 2026	51-200	100 contacts →
	Partial evidence “Founded in 2022, Expression is a fully remote game developer for console and PC.” Source: RevenueBase Database · checked Sep 21, 2026
9	Outplay Entertainment LTD	Partial evidence	Dundee, United KingdomHQ checked Sep 21, 2026	51-200	79 contacts →
	Partial evidence “Outplay Entertainment is an award-winning game developer focused on building and operating high‑quality mobile games in close partnership with leading publishers and IP holders.” Source: RevenueBase Database · checked Sep 21, 2026
10	RED Kite Games	Partial evidence	Leeds, United KingdomHQ checked Sep 21, 2026	51-200	73 contacts →
	Partial evidence “Founded in 2012 by Simon Iwaniszak, Red Kite Games is now part of the Sumo Digital family of studios.” Source: RevenueBase Database · checked Sep 21, 2026
11	Code Wizards Group	Partial evidence	Theale, United KingdomHQ checked Sep 21, 2026	51-200	64 contacts →
	Partial evidence “Global experts for Online Player experience in Games.” Source: RevenueBase Database · checked Sep 21, 2026
12	Endava Games	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	n/a	53 contacts →
	Partial evidence “From pre-production to launch to live services, bringing games to life is no simple feat.” Source: RevenueBase Database · checked Sep 21, 2026
13	Farom Studio	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	52 contacts →
	Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 21, 2026
14	argentics.io	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	47 contacts →
	Partial evidence “End-to-end and co-development services \| Your one-stop-shop for game art and engineering needs.” Source: RevenueBase Database · checked Sep 21, 2026
15	Onemanstudio	Strong evidence	Horsham, United KingdomHQ checked Sep 21, 2026	11-50	37 contacts →
	Strong evidence “Outsourcing Studio for the Entertainment Industry- Concept Art - 3d Art - Tech Art - Animation - Game Design - Programming - Art Direction - Rigging” Source: RevenueBase Database · checked Sep 21, 2026
16	L3d Studio	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	33 contacts →
	Strong evidence “L3D Studio is a Game Art Outsourcing company specializing in creating 3D models of military equipment for Games.” Source: RevenueBase Database · checked Sep 21, 2026
17	Decartel	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	29 contacts →
	Strong evidence “Decartel is a full-stack game development and operation company, working on in-house projects and as a partner for your company's outsourcing needs.” Source: RevenueBase Database · checked Sep 21, 2026
18	The Game Marketer	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	26 contacts →
	Partial evidence “The Game Marketer is a full-service video game marketing agency helping developers, publishers, and studios launch, grow, and scale games worldwide.” Source: RevenueBase Database · checked Sep 21, 2026
19	Coconut Lizard	Partial evidence	Newcastle, United KingdomHQ checked Sep 21, 2026	11-50	26 contacts →
	Partial evidence “Coconut Lizard provide expert co-development and work-for-hire support to video games development companies.” Source: RevenueBase Database · checked Sep 21, 2026
20	Atomic Theory	Partial evidence	Cardiff, United KingdomHQ checked Sep 21, 2026	51-200	22 contacts →
	Partial evidence “Atomic Theory is a global team of seasoned game development veterans, with roots extending from Activision Blizzard, PUBG, Epic, Microsoft and Unity.” Source: RevenueBase Database · checked Sep 21, 2026
21	Inviox Studios	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	16 contacts →
	Partial evidence “Inviox Studios is a global creative partner to the video games industry and beyond, delivering high-impact external development through a fully integrated, end-to-end service…” Source: RevenueBase Database · checked Sep 21, 2026
22	Extra Mile Studios	Indirect evidence	Glasgow, United KingdomHQ checked Sep 21, 2026	11-50	14 contacts →
	Indirect evidence “Extra Mile Studios is a veteran co-development and art outsource studio specialising in providing dedicated art & code resources to studios and publishers around the world.” Source: RevenueBase Database · checked Sep 21, 2026
23	Opus Artz LTD	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	1-10	14 contacts →
	Partial evidence “Opus Artz is an outsourcing art & entertainment design agency based in London, UK with a strong creative team of highly experienced artists focused on production design We provide…” Source: RevenueBase Database · checked Sep 21, 2026
24	Spilt Milk Studios LTD	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	1-10	13 contacts →
	Partial evidence “SPILT MILK STUDIOS LTD is an independent games developer and game design consultancy based in the UK.” Source: RevenueBase Database · checked Sep 21, 2026
25	The Digi Monsters Develop Brighton	Partial evidence	Royal Leamington Spa, United KingdomHQ checked Sep 21, 2026	11-50	12 contacts →
	Partial evidence “The Digi Monsters is a Games Artwork & VFX Studio founded by leading artists originally from the Activision\|Blizzard studio FreeStyleGames, makers of the critically acclaimed DJ…” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: game outsourcing services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names game outsourcing services.
Partial evidence: Its own public description names part of game outsourcing services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name game outsourcing services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 121 game outsourcing services based in the United Kingdom

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Game outsourcing services based in the United Kingdom at a glance

As of Sep 21, 2026

35.7%Verified-email coverage

43.5Average contacts per company

1-10Median size (employees)

39.7%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 121 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among game outsourcing services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “game outsourcing services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names game outsourcing services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among game outsourcing services, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 1,882 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Game outsourcing services by metro

Game outsourcing services in London48

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names game outsourcing services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many game outsourcing services are there based in the United Kingdom?

RevenueBase identified 121 game outsourcing services headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

SIDE, headquartered in London, tops this list with the largest team on record.

Which city has the most game outsourcing services?

London leads with 48 headquartered companies, followed by Manchester (5) and Middlesbrough (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,882 verified decision-maker contacts tracked across these 121 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.