For the first time, a new census has been published that reveals the actual size of the UK’s digital technology industry. And, according to The Data City’s findings, the industry is actually over 25% larger than previously thought.

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How was the data collected?

This Data as a Service (DaaS) company used a combination of open data, the internet and artificial intelligence to collect its robust and real-time data. For the first time, this technology was able to map emerging UK sectors including AI and IoT.

With this new ability to measure emerging sectors, it meant that the true number of digital technologies could be found.

Traditional classifications known as Standard Industry Classification (SIC codes) were used by Companies House to find that 259,412 companies are classified as digital technology. However, with these new RTIC (Real Time Industrial Classification) codes, that number rises to 349,865.

How many companies were analysed?

Data City’s findings provided insight into over 4.06 million active companies in the UK, monitoring their websites and digital footprints to recognise their activity. The data was organised into 29 cities and an interactive online map was produced to create a clearer picture of the landscape around this industry.

The census evaluated eight main sectors within the industry:

  • Artificial intelligence and data
  • ECommerce
  • Cyber
  • Digital
  • Gaming
  • Internet of Things
  • MedTech
  • Fintech

And the top ten cities for digital technology are:

  • London
  • Manchester
  • Reading
  • Brighton
  • Milton Keynes
  • Birmingham
  • Leeds
  • Bristol
  • Edinburgh
  • Glasgow

Co-Founder of The Data City, Alex Craven, adds: “The 2019 Digital Technologies Census provides the clearest picture yet of the digital technology landscape in the UK…The Data City has created a useful tool for businesses, investors and public sector policymakers. Using real-time data such as ours to identify areas of strength can help inform innovation policy, provide an objective basis for investment and inform individual business decisions such as where to locate.”

The full report can be seen here: and will play an important role in helping others understand the current digital technology landscape.