4xxi Verified Company

LondonUnited Kingdom

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

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


  • 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

Profile strength: Below Average

0 1

4xxi lacks more convincing data about their portfolio, has no or less client reviews and an incomplete description of their business It could be that 4xxi does a great job in reality, but the lack of transparency should encourage you to continue the search.



23 Leyborne Park Kew Gardens
London TW9 3HB
United Kingdom


Main Services Focus
  • Web Development
  • Mobile App Development
  • AR/VR Development
  • IT Strategy Consulting

Client Focus

  • 40% - Small Business ($500k - $1M)
  • 40% - Mid-market ($1M - $10M)
  • 20% - Enterprise (>$10M)

Industry Focus

  • Information technology
  • Education
  • Financial services
  • Business services
  • Consumer products & services

4xxi Stats
You can learn more about company stats on TechBehemoths in this article.


How 4xxi compares to other companies based on profile strength?

See how 4xxi is positioned among 5862 companies from United Kingdom based on profile strength. A below-average rate is tricky. It might be that they are still good, but not paying too much attention to their business profile.


How much does 4xxi charge for their services compared to other companies in United Kingdom and London?

4xxi charges between $70 - 150/hour, meaning that the cost of their services in United Kingdom is the market average. This is a safer bet. Being well aware of their capabilities and cost. This gives room for more flexibility in negotiating the cost. Keep this in mind before calculating your budget and requesting a quote..


How many services does 4xxi provide compared to other companies?

4xxi covers 16 services in their current region or area. This means that the company offers a above average range of services compared to their competitors. Good call. They offer a wide range of services which is a great finding. This way they might cover more things during the project.


When was 4xxi founded?

4xxi was founded in 2007. According to TechBehemoths data, 117 companies were founded in United Kingdom in that year. Compared to other companies, 4xxi is veteran in the market. What can be added here? A very experienced company, which most of the time works with bigger clients or long-term projects. If you are one of these - don't think twice and contact them.

No Service Reviews yet
TechBehemoths Tip:

Every company has its start. These guys don't have any reviews yet, but you may give them a chance. They could excel, to make you a happy client. But, you may also consider other companies, with a proven track record too. To be safe.

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