4xxi

4xxi is a software development and mobile app development agency founded in 2008. The company is headquartered in London, United Kingdom, with an additional office in Saint Petersburg, Russia. It employs between 100 and 249 people, most of whom are senior developers. The agency reports no failed projects and has completed over 90 projects.

The agency's minimum project budget is $10,000 to $25,000, with an average hourly rate of $40. 4xxi has been recognized as a top web development company by Manifesto and has received numerous awards. It has been featured in major media outlets including Forbes, TechCrunch, New York Times, Yahoo, and Business Insider.

4xxi offers software development and mobile app development services. Its areas of expertise include custom languages such as PHP, and mobile app expertise for Android and iPhone platforms. The agency serves clients in corporate services, retail, and software and IT services industries.

The agency works with small businesses, medium businesses, startups, and enterprises. For startups, 4xxi has developed products from scratch that have collectively raised over $395 million in funding. For SMBs, the agency aims to help them grow exponentially, and for enterprises, it provides fresh expertise and cutting-edge technologies.

4xxi's portfolio includes projects such as AdvisorEngine, Groupdolists, Charge.Auto, Trivago, WorthFM, Loji, and NutmegAspirin. The agency has also developed a mobile app called Loji, which was covered by TechCrunch. Other press mentions include coverage in Wired, BBC News, and The New York Times.

The leadership team includes CEO Egor Tomilin, CPO Evgeny Scherbak, VP Alexander Beshkenadze, UK Director Nigel Hopkinson, Art Director Maria Tereshkova, and QA Lead Anastasia Mohovikova. The team has extensive experience in development, fintech, sales, and design.