London’s 80 Fastest Growing Online Games Startups

At Best Startup London we track over 100,000 London based startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and organisations we think deserve more appreciation than they are currently getting.

We’ve ranked the top 80 Online Games companies in London. The companies, startups and institutions listed in this article are all exceptional companies, well worth a follow. We have included links to their websites, socials and CrunchBase (if you’re interested in their financials).

We selected the organisations listed in this article based on:

• Track record
• Executive leadership
• Market share
• Innovation
• ESG rating

Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Top Online Games Companies & Startups (London)

Mind Candy

Moshi provides a sleep and mindfulness app for kids featuring melodic stories created to help kids drift off to sleep quickly.

Stakester

Stakester is a mobile first skill-based competition platform that enables competitors to compete with each other for prizes.

Bossa Studios

Bossa Studios is a games developer and publisher, creators of BAFTA-winning Monstermind, Surgeon Simulator and Worlds Adrift.

Gaia EverWorld

Gaia EverWorld is an immersive, multi-region fantasy world where players create their own kingdoms.

MentalUp

Scientific Educational Games for Children

Cauldron Studios

Cauldron Studios is a gaming company that designs and engineers building new game worlds in web3 with fictional experiences.

LVP

London Venture Partners is a seed fund that focuses on the game ecosystem.

Reality Games London

Mobile games based on real world Big Data as a content.

Fnatic

Leading esports performance.

Pocket Burger Games

Pocket Burger is dedicated to discovering, creating and building new genres in the mobile games space.

Erase All Kittens

Erase All Kittens is the first game designed to teach children transferable digital skills, and inspire more girls to code and create.

PlayCanvas

PlayCanvas is a cloud-hosted, collaborative platform for building video games.

Entain

Entain is a multinational sports betting and gaming group operating in the online and retail sector.

Netspeak Games

Netspeak Games operates as a zero-crunch studio that develops online multiplayer games.

SwiftSkill

SwiftSkill is an esports analytics, strategy, and efficient team collaboration platform that helps you become a monster gamer.

Playwind Games

Playwind Games is a mobile game studio based in the UK with a tight-knitted team that have years of experience working together.

Wolf777

Wolf777 operates as an online gaming platform offering betting and casino games.

PsycApps

Digital Mental Health Games

GAN

GAN develops bespoke and off-the-shelf internet gaming systems that can be flash, mobile and native.

Fundamentally Games

Fundamentally Games is helps developers and organisations transform their games into services, from concept to live ops.

Labworks

Labworks is an award-winning voice games studio, with the goal to build platform-defining voice experiences.

PlayJam

PlayJam develops TV games played in connected TVs, the web, social networks, and mobile devices.

Outsmarted

Outsmarted is a device-driven trivia board game with remote play capabilities, featuring over $1m of licensed content for questions.

Zattikka

Zattikka is an online social video game developer and publisher for PC web browsers, social networks and mobile devices.

Falcon Interactive

Global game development company, specialized in delivery of high-end gaming content. Makers of the Arizona Derby #1 Game on Steam Greenlight

Gameway

Gameway is the mobile gaming experience of the future.

PSY Ventures

PSY Ventures is a media network in the spirituality niche.

Team Dignitas

Team Dignitas offers e-sports organizations.

AntStream Arcade

The de facto retro games platform. With 1000 games ready to play, you can enjoy old console, arcade and computer classics on most devices

Kwiff

Kwiff is a native mobile sports betting app available in the United Kingdom on both iOS and Android.

Foxy Bingo

Foxy Bingo is an online gaming platform.

Testt

testt is a development company that specializes in creating entertainment gaming applications.

Global Interactive Marketing Online Ltd

Global Interactive Marketing Online offers internet marketing services such as SEO, web and emailing analysis, web programming, and more.

Push Gaming

Push Gaming is a UK-based games development studio which specialises in creating premium.

Thug Life Limited

Media & Entertainment

Real Fun Games

Social Games

Tonic Games Group

Tonic Games Group is a developer of video games that offer immersive entertainment alternatives.

First Light Games

First Light Games is a group of game developers from various backgrounds in the gaming industry.

ARTADIAN GAMING LLP

Mobile games and software

Ash Gaming

Ash Gaming is a leading supplier of interactive gambling and betting games.

ICOOOO

ICODONE

VideoGamer.com

VideoGamer.com is a website focused on video game news, reviews, previews, and videos.

fruitlab

Fruitlab is a NFT platform for gamers and esports.

Spacebar Media

Spacebar Media provides online gaming space.

FortuneJack

Fortunejack.com is a online digital currency gaming site offering the best experience..

Hutch Games

Hutch Games creates racing, cars video games, digital game development and mobile games development.

Poptropica

Poptropica, a virtual world for kids to travel, play games, compete in head-to-head competition, and communicate safely.

iGaming Business

iGaming Business is the most established and respected information provider for the interactive gaming and gambling industry.

Big Potato Games

Big Potato is a board games company that’s as versatile as its vegetable namesake.

Gan

Gan is an online gaming platform that provides casino, operational support, sports wagering and marketing services.

Included Games

Mobile Game Developer

Mastermind Sports

Mastermind Sports which specialises in creating second screen and social games centred on sports, particularly cricket.

TreesPlease Games

TreesPlease Games develops various computer and online games.

Emote Games

Emote Games develops next generation online games across social networks, offering digital entertainment to its users.

U4GM

U4gm.com offers PoE Currency, NBA 2K21 MT, Madden 21 Coins, Fallout 76 Items/Weapons, NHL 21 Coins, etc.

Inlingo

Inlingo is a gamedev outsourcing studio offering localization, FQA, art, voiceover, narrative design services.

Everguild

Everguild is an independent game studio operating from UK and Spain, with a particular focus on polished mobile CCGs.

Sunovatech

Sunovatech is into the field of Virtual Reality solutions, Software Development, Mobile Applications, Game Asset Development .

Hide & Seek Productions Ltd

Hide & Seek Productions Ltd is engaged in the organization of social game festivals and development of video and mobile games.

Bingo Port

Bingo Port is one of the best known online gaming portals.

Lost Native

Lost Native is a newly formed micro studio on a mission to create games that remind you of your past adventures.

Teach Your Monster

Teach Your Monster is an organization that publishes and creates magical, fun-filled, and e-learning games for kids.

Casino Fans

Online marketing company offering a wide range of results-driven services including PPC, SEO, Social Media Marketing and web development.

Expekt

Expekt is an online gaming company.

World Anvil

World Anvil is a set of worldbuilding tools that helps the user create, organize, and store their world setting.

Conclify

A platform Game to bring together fashion Brands with online Shoppers. A virtual High street made for GenZ & Millennials

Resolve Esports

Resolve Esports is a UK-based esports team organization.

BarcodeBeasties

BarcodeBeasties is a monster collecting & battling game played on mobile phones.

Mobile Free to Play

Mobile Free to Play is a mobile consultancy that designs games for mobile.

Nowbetnow

Nowbetnow provides operators with automated sportsbook and casino content in a range of languages, including social, mobile, and online.

Glück

Glück is a lottery­ and casino­ games developer company.

Casino Football

A London based online gaming company, offering Football themed casino games and other mobile related technology.

Stixart

Stixart computer games company.

CasinoMaxi

CasinoMAXI is a online casino & gambling company.

Classmill

Classmill is a free tool that enables anyone to easily create classes using links, YouTubes videos, images, and files.

GamerGrade

GamerGrade offers an easy way to create, manage, and show up online tournaments.

Blockception

Blockception is a part of the gaming industry that creates immersive content resources for the minecraft game marketplace.

JUST2CRAFT

JUST2CRAFT provides minecraft server network.

Free Bets

Free Bets is an online sports tips-based platform that provides football & betting content to users through online modes.

OnlineRouletteWheel

OnlineRouletteWheel is an online gaming platform.