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About 4xxi

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 (US, UK, Australia, 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

Services

Capabilities listed on this profile.

Web DevelopmentMobile App DevelopmentAR/VR DevelopmentAccountingIT Strategy Consulting

Pricing

Self-reported by the listing.

Min. project
$10,000+
Hourly rate
$50 - $99 / hr

Team & locations

London, England50 - 249 employeesFounded 2008More agencies here →

Questions & answers

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