4xxi has multiple offices.
The head office is in Sankt Petersburg, Russia

We are big on creating eminently successful businesses -  🖥 products we have developed from scratch so far have raised in excess of 💰$495,000,000 in funding!

🙅‍♂️ No one failed projects

In addition, we were named as 👨‍🔬 "Best & innovative development company on the market" (c) RBC

Plus, we became🏅"Top #2 Web Development Company in the world" (c) Manifesto

Under-the-hood:

  • 11+ years on the global markets (🇺🇸, 🇬🇧, 🇻🇬, Asia, Eastern & Western Europe)
  • 🗞 Publications in TechCrunch, Forbes, Business Insider, NY Times, Wired
  • 🏪 HQ in London and plans for 🗺 New York and San-Francisco during next year
  • 🚀 90+ unparalleled projects we are proud of
  • 🏂 80+ developers, you can leverage (most of them are seniors)
  • 🧗‍♀️ Own awesome Startup Competitions in London in partnerships with WeWork, Barclays, F6S, 11FS, Capital Enterprise, VCs

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Founding Year 2007
Team Size 50-249
Avg. Cost of Services $$$$$ $70-150/h

Locations

HEADQUARTERS

Malaya Monetnaya, 2G
Sankt Petersburg 197101
Russia

Other locations

23 Leyborne Park Kew Gardens
London TW9 3HB
United Kingdom

Gagarina str., 99A, suite 401
Saransk 430027
Russia

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