In the near future the gaming market will exceed USD 360 billion, and quality localization is key to global success. We’ve compiled the top 10 companies based on revenue, portfolio (MobyGames/ProZ), and reputation to help you navigate the market more easily.
10 Most Experienced Game Localizers
The standard set of services provided by localizers usually includes text localization, voice-over, and localization testing. For our ranking, we looked exclusively at data on text localization. In this case, we are talking about a market volume of 246 million dollars in 2025 and experiencing maximum AI pressure – in our model, it will shrink for two years in a row to 243 million dollars in 2026.
| No. | Company name | MobyGames credits |
|---|---|---|
| 1 | Keywords | 565 |
| 2 | Allcorrect | 195 |
| 3 | Effective Media | 157 |
| 4 | Roboto Global | 154 |
| 5 | Side (former PTW) | 150 |
| 6 | Logrus IT | 149 |
| 7 | QLOC | 136 |
| 8 | Lionbridge | 130 |
| 9 | Riotloc | 110 |
| 10 | TransPerfect | 98 |
1. Keywords
Year founded:1998
Offices: Ireland (Dublin/Leopardstown HQ), 70+ studios across 25+ countries
Listed as localizers on MobyGames: 565 games
Services: localization, LQA, audio production, art services, engineering, QA testing, player support, content moderation, full game development
Notable games: Assassin’s Creed series, Cyberpunk 2077, Forza Horizon series, The Witcher series
ProZ Blue Board rating: 3.7
Keywords Studios is one of the largest independent video game services providers, offering end-to-end outsourcing across the full production pipeline. Originally focused on localization, the company has expanded into art, audio, QA, and full co-development, as a conglomerate of 70+ studios. Its long history and acquisition strategy (XLOC, Babel Media, Sperasoft, and others) make it a visible partner for AAA publishers handling large-volume, multi-language projects.
2. Allcorrect
Year founded: 2006
Offices: Ireland, Serbia
Services: localization, LQA, game art, voice acting, narrative design
Notable games: Warhammer 40,000: Space Marine 2, Plague Tale: Requiem, PUBG, Ready or Not, Dispatch, Star Wars Jedi: Survivor
Listed as localizers on MobyGames: 195 games
ProZ Blue Board rating: 4.9
Allcorrect is a low-friction outsourcing partner for game studios.
With deep industry expertise and flexible processes, we help indie, AA, and AAA teams handle large volumes of art, localization, and QA work while keeping collaboration smooth and predictable.
Once teams experience that level of clarity and reliability, it’s hard to go back to traditional outsourcing.The studio continuously tracks and publicly shares its service KPIs for text and art production, with localization exceeding 99.2% for on-time delivery.
An underdog to the traditional outsourcing model, Allcorrect may be a low-friction outsourcing partner for game studios.
3. Effective Media
Year founded: 1998
Offices: Germany (headquarters in Cologne)
Listed as localizers on MobyGames: 157 games
Services: game localization, translation, LQA
Notable games: Call of Duty: Modern Warfare III, The Quarry, Tiny Tina’s Wonderlands
ProZ Blue Board rating: N/A
Effective Media is a German localization studio with a long track record in cinematic and narrative-driven games. The company focuses on text-based localization and linguistic QA, with a steady presence on MobyGames across multiple projects. Compared to larger international providers, Effective Media maintains a relatively low-key public profile, which aligns it more with niche or targeted localization needs than broad-scale, global operations.
4. Roboto Global
Year founded: 2002
Offices: Poland (Warsaw headquarters)
Listed as localizers on MobyGames: 154 games
Services: game localization, LQA/FQA, voice-over/dubbing, playtesting, market analysis
Notable games: HAWX 2 (Ubisoft), projects for SEGA
ProZ Blue Board rating: 2.3
Roboto Global is a Polish localization provider with more than two decades of experience in the gaming industry. The studio offers a full cycle of services from text localization and voice-over to QA and market analysis, positioning itself as a one-stop partner for publishers and developers. Its portfolio includes collaborations with SEGA and Ubisoft, and its MobyGames footprint reflects prolonged activity on a mix of mid-tier and AAA projects.
5. Side (formerly PTW)
Year founded: 2005 (as Pole To Win)
Offices: Japan (Tokyo headquarters), 40+ studios across 14 countries
Listed as localizers on MobyGames: 150 games
Services: localization, LQA, audio production, QA, player support, art production, game development, community management
Notable games: Star Wars Outlaws, Silent Hill 2 Remake, Like a Dragon: Infinite Wealth
ProZ Blue Board rating: 5
Side (rebranded from Pole to Win in March 2025) consolidated a group of brands—1518 Studios, Ghostpunch Games, and SIDE audio—under a single identity. The company started as a QA-focused studio in Japan and has since expanded into localization, audio, QA, and co-development on a global scale. Its credits on major AAA titles reflect a move toward becoming a full-service outsourcing partner for large-scale console and PC productions.
6. Logrus IT
Year founded: 2016 (as a restructured Logrus brand)
Officies: United States
Listed as localizers on MobyGames: 149 games
Services: translation, voice acting, marketing localization, software localization
Notable games: Assassin’s Creed: Mirage, Diablo IV, Far Cry 6
ProZ Blue Board rating: N/A
Logrus IT is an international company that evolved from the earlier Logrus localization brand after a corporate reorganization. Originally rooted in software and enterprise-product localization, Logrus has expanded into games, focusing on technically complex projects that require UI adaptation, content localization, and marketing materials. The studio is active on AAA titles where linguistic accuracy and technical integration both matter.
7. QLOC
Year founded: 2009
Offices: Poland (Warsaw headquarters), Gdańsk, Kyiv
Listed as localizers on MobyGames: 136 games
Services: game localization, porting, co-development, QA (functional, compatibility, certification), audio recording, art services
Notable games: Poker Night at the Inventory, Menace, The Outer Worlds 2
ProZ Blue Board rating: N/A
QLOC originated from the localization team of Cenega Poland and has grown into a broad-service provider for AAA publishers. The studio combines localization on 35+ languages with porting, co-development, and QA, including certification work.
8. Lionbridge
Year founded: 2013
Officies: United States
Listed as localizers on MobyGames: 130 games
Services: game localization, game audio/voice-over, functional testing, localization QA, game marketing, player support
Notable games: Resident Evil: Requiem, Total War: Warhammer III, Final Fantasy XVI
ProZ Blue Board rating: 2.7
Lionbridge Games operates as the game-services division of Lionbridge, leveraging the parent company’s global linguistic infrastructure. The studio provides a mix of localization, audio, QA, and marketing services, often handling large-scale multilingual projects for publishers. Lionbridge Technologies itself works across multiple industries, so gaming represents only part of its overall language-services portfolio.
9. Riotloc
Year founded: 2016
Officies: Vilnius, Lithuania
Listed as localizers on MobyGames: 110 games
Services: localization, QA, voice-over
Notable games: Baldur’s Gate III, Clair Obscur: Expedition 33, Divinity: Original Sin II
ProZ Blue Board rating: N/A
Riotloc is a Lithuanian localization studio that focuses on game texts, QA, and voice-over. The company positions itself as a small, hands-on partner with direct client contact and flexible workflows. Its MobyGames footprint includes several high-profile RPGs and narrative-heavy titles, reflecting a niche in complex, story-driven games.
10. Transperfect
Year founded: 1992
Offices: USA (New York headquarters), 150+ offices worldwide
Listed as localizers on MobyGames: 98 games
Services: translation, localization, interpretation, website localization, multicultural marketing, software testing, multimedia services
Notable games: Split Fiction, Lies of P, Crypt Custodian
ProZ Blue Board rating: 3.8
TransPerfect is one of the largest global language-services providers, primarily serving corporate sectors such as legal, healthcare, finance, and media. Gaming localization is a smaller segment within its broader portfolio, but the company uses its 200+ language capability and GlobalLink technology to manage large-scale multilingual projects. Compared with dedicated game-localization studios, TransPerfect emphasizes general language and technology infrastructure rather than gaming-specific expertise.
Game Localizers Ranking Table
|
Name |
First MobyGames localization credit |
Headquarters |
Number of localized projects |
Average projects per year (2023-2025) |
ProZ Rating |
|---|---|---|---|---|---|
| Keywords | 2003 | Ireland | 565 | 31.67 | 4/56 |
| Allcorrect | 2008 | Ireland | 195 | 23.00 | 4.9/114 |
| Effective Media | 1998 | Germany | 157 | 0.33 | |
| Roboto Global | 2009 | Poland | 154 | 15.33 | 2.3/26 |
| Side (former PTW) | 2005 | Japan | 150 | 17.33 | 5/15 |
| Logrus IT | 1998 | USA | 149 | 2.67 | |
| QLOC | 2009 | Poland | 136 | 9.67 | |
| Lionbridge | 2005 | USA | 130 | 15.67 | 2.7/97 |
| Riotloc | 2016 | Lithuania | 110 | 11.67 | |
| Transperfect | 2015 | USA | 98 | 6.67 | 3.8/1504 |
| LocalizeDirect | 2011 | Sweden | 90 | 8.67 | 4.9/31 |
| Local Heroes Worldwide | 2014 | Netherland | 83 | 7.67 | |
| Localsoft | 2000 | Spain | 67 | 7.00 | 4.7/82 |
| Native Prime | 2012 | France | 60 | 10.33 | 5/1 |
| Universally Speaking | 2008 | United Kingdom | 58 | 5.33 | 5/45 |
| 4-Real Intermedia | 2000 | Germany | 49 | 4.67 | |
| Altagram Group | 2015 | Germany | 47 | 6 | 4.6/17 |
| ACE Agency | 2014 | Spain | 45 | 8 | |
| Warlocs | 2017 | United Kingdom | 45 | 5.67 | |
| Testronic Labs | 2006 | United Kingdom | 41 | 5.33 | 5/8 |
| Loc & Load | 2014 | Spain | 38 | 0.33 | |
| Gameloc Localisation Services | 2008 | Spain | 35 | 4.67 | |
| Latis Global Communications | 2013 | South Korea | 34 | 2.33 | |
| The Most Games | 2016 | Lithuania | 33 | 4.33 | |
| Levsha Games | 2010 | Estonia | 32 | 4.67 | 5/10 |
| GameScribes | 2010 | USA | 31 | 4.00 | 5/37 |
| Quantic Lab | 2014 | Romania | 30 | 3 | 5/15 |
| Aibell Game Localization | 2016 | Turkey | 28 | 2 | |
| Level Up | 2016 | France | 27 | 2.33 | 5/3 |
| S&H Entertainment Localization | 2007 | Taiwan | 26 | 0 | 5/54 |
| DICO Co | 2014 | Japan | 23 | 1.33 | |
| Alpha CRC | 1989 | United Kingdom | 22 | 1.00 | 1.9/139 |
| DLM International | 2003 | Spain | 21 | 0 | |
| EC Innovations Inc | 2015 | China | 21 | 2.67 | 4.7/130 |
| Pink Noise | 2002 | Spain | 20 | 3 | 3.2/45 |
| Loki Games | 2017 | Spain | 18 | 2 | 5/17 |
| Quoted Tradução e Localização | 2012 | Brazil | 18 | 2.33 | |
| Locadile | 2017 | Netherland | 18 | 4 | 5/7 |
| Globaloc | 2012 | Germany | 16 | 0.67 | 5/48 |
| Intac Ltd | 2004 | Japan | 16 | 0.67 | |
| GlobalWay | 2015 | South Korea | 16 | 0.67 | |
| Studio Umlaut | 2007 | Germany | 15 | 2.67 | |
| Locpick Game Localization & Audio | 2014 | Turkey | 14 | 3 | |
| Kinsha Co | 2013 | Japan | 14 | 1.33 | |
| RoundTable Studio | 2010 | Argentina | 13 | 0.33 | 5/1 |
| Wiitrans Network | 2018 | China | 13 | 1.67 | |
| Inlingo | 2017 | United Kingdom | 12 | 1.00 | 5/38 |
Companies with a significant portion of revenue (more than 50%) not related to the gaming industry are marked in red.
To build our localizers’ experience ranking, we used data from MobyGames – this is a games encyclopedia filled by authoritative and experienced volunteers. In the initial sample, we included all service companies that have a “Localized by” page, internal localization studios of game publishers were excluded from the sample. For groups of companies, we used the name of the parent organization, exported the names of games localized by subsidiary studios, then removed duplicates and counted unique entries. The accounted subsidiary companies are indicated in the notes. DLC were counted as separate titles only if the company did not handle the localization of the main game. If several companies participated in the localization of the same project (for example, for a limited number of languages), the project was counted in the portfolio of several companies.
When building the ranking, we did not take into account the multilingualism of companies. There are companies that usually handle one or several languages in one game title (Effective Media, Logrus), and there are predominantly multilingual ones (Keywords, Allcorrect, Roboto).
In the final list, we sorted the companies by the number of localized games (high to low) and did not include companies with the number of localized projects less than 10. We also excluded inactive companies and companies not mentioned in new game titles after 2021. We did not take into account how many languages a given company localized the game into.
Reputation on Talent Market
We provide the company’s current rating on ProZ Blueboard (where available) and the number of recent scorings by external linguists. Most game translators are freelancers, and ProZ is one of the oldest and most widely used platforms for freelance translators. Companies post translation jobs and rate the result of translators’ work, while the linguists rate their clients on the searchable database. There’s a degree of objectivity, since the scorings are non-anonymous, and clients have the right to publicly respond. Thus, a low ProZ Blueboard rating may signal cashflow and payments issues, poor communications and project management, or compromised business ethics, which would result in higher linguist turnover and less predictable localization quality. If several companies were listed on a company’s ProZ page, we summed the number of reviews for all companies within the group (Side/Pole To Win, LocalizeDirect). For the TransPerfect group of companies, we calculated the rating and number of reviews using data from TransPerfect Translations Inc.; International Software Products B.V. (ISP), a TransPerfect company; Overtaal BV, a TransPerfect company; Hiventy, a TransPerfect company; Translations.com / TransPerfect Barcelona; and MoGi Group / MO Group International / Mogi. Separately, it should be noted that Native Prime, Quantic Lab, and Level Up Translation do not have any posted jobs on ProZ, unlike all the other companies, but they do have reviews.
We also added a conditional market activity parameter – how many games on average the company localizes per year based on 2023-2025 data. It seems to us that based on the totality of these parameters, one can assess the company’s experience in game localization, its activity over the last three years, and attitude towards translators, and therefore the quality of localization, albeit indirectly.
Keywords data were accounted for by summing unique entries of folowing companies: Keywords International Ltd, Keywords International Corporation Inc., Keywords International Co., Ltd., Keywords Pls, Keywords Studios QC-Interactive Inc., Keywords Monreal, Keywords Studios Los Angeles, Keywords Studios Spain SLU, Keywords Studios Spain, Keywords Studios Italy S.R.L., Keywords do Brasil Localização Ltda, Keywords Studios France SAS, Keywords Studios Germany GmbH, Keywords Studios Tokyo, Keywords Studios India Pvt. Ltd., Keywords Studios Singapore, Keywords International Pte. Ltd., Keywords Studios México, S. de R.L. de C.V., as well as Synthesis International s.r.l., Synthesis Global Solutions SA, Synthesis Mexico, Synthesis Iberia SL, Synthesis France, Synthesis Russia, Synthesis Brasil, Jinglebell Communication, Babel media, Binari Sonori America Inc., Binari Sonori Asia KK, Sonox Audio Solutions, SL, La Marque Rose SARL, Around the Word SAS, VMC Game Labs, and Liquid Violet Ltd.
Side data were accounted for by summing unique entries of companies: Side International Holdings Limited, Side (Singapore) Pte. Ltd., Side (Singapore) Pte. Ltd., Taiwan Branch, Side Inc., Side UK Ltd., Side International UK Ltd., SIDE Paris, SIDE Montréal, Side Canada Inc., Side International Japan Co., Ltd., Side Japan Co., Ltd., Side Korea Co., Ltd., Side Shanghai Co., Ltd., PTW Inc., PTW Shanghai Co. Ltd., Pole To Win Europe Glasgow, Ltd., and entalize Co.
Lionbridge data were accounted for by summing unique entries of companies: Lionbridge Technologies, Inc., Lionbridge Studios Paris, Lionbridge Poland Sp. z o.o., Lionbridge Japan K.K., Lionbridge Espana SL, Lionbridge (UK) Limited, Lionbridge Sao Paolo, and Lionbridge Games Canada LLC.
Testronic data were accounted for by summing unique entries of companies: Testronic Laboratories Ltd., Testronic Sp. z o.o., and Testronic Labs.
Pink Noise data were accounted for by summing unique entries of companies: Pink Noise México, Pink Noise SL, and Pink Noise France.
Altagram Group data were accounted for together with Altagram GMBH.
Transperfect data summed with Mogi Group data (Transperfect acquired Mogi company in 2019).
All data is up to date as of April 1, 2026. If you notice an error or inaccuracy, write to pr@allcorrectgames.com and we will try to correct it.
