1
Post-Quantum
London, United Kingdom
Protecting the world's information against today's threats and tomorrow's challenges
- Revenue
- $5M
- Customers
- -
- Year founded
- 2009
- Funding
- -
- Team size
- 1
- Growth
- -
Top 3,857 SaaS Companies in the United Kingdom, May 2026
As of May 2026, there are 3,857 SaaS companies based in United Kingdom. They have combined revenues of $52.4B and employ 271.8K employees. They've raised $32B in capital and serve 357.9M customers combined.
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Sorting: Highest -> Lowest
Top SaaS Companies in United Kingdom
Showing 10 of 1,371 companies ranked by annual revenue.
2
Phase Biolabs
Nottingham, England, United Kingdom
We make carbon negative chemicals from CO2 using fermentation
- Revenue
- $5M
- Customers
- -
- Year founded
- 2020
- Funding
- -
- Team size
- 11
- Growth
- -
3
Seek Social Ltd
Manchester, England, United Kingdom
Seek Social LTD is a Multi Award-Winning Digital Marketing Agency based in Manchester, England but services over the world. We're very proud to have been named the ‘Most Outstanding Digital Marketing Firm of the Year' for 2019 by SME News, and our creatives and technical implementation experts stand ready to bring you that award-winning service in all areas of Digital Marketing. Web Design, SEO, Graphic Design, Online Advertising and more - Seek Social is here to help you get all of that right, without breaking the bank! it's easy to find a marketing company but we aren't just another marketing company. We want to help small businesses and traders come in line with the modern-day digital marketplace. We want to help everyone maximize their social profiles. We provide services that work and for a cost that is fair.
- Revenue
- $5M
- Customers
- -
- Year founded
- -
- Funding
- -
- Team size
- -
- Growth
- -
- Revenue
- $5M
- Customers
- -
- Year founded
- 2018
- Funding
- $1.6M
- Team size
- 24
- Growth
- -
5
Global Database
United Kingdom
Global Database - b2b data providers makes it easy to connect with the right contacts in the right way. Company database, company financial information, Credit Reports and get an insight about which technology a company is using - GlobalDatabase.com
- Revenue
- $5M
- Customers
- -
- Year founded
- 2015
- Funding
- -
- Team size
- 30
- Growth
- -
- Revenue
- $5M
- Customers
- -
- Year founded
- 2017
- Funding
- -
- Team size
- 9
- Growth
- -
7
Nebulytics
London, England, United Kingdom
A powerful SaaS platform engineered to provide our clients a secure,flexible & scalable service upon which to conduct their daily operations
- Revenue
- $5M
- Customers
- -
- Year founded
- 2013
- Funding
- -
- Team size
- 1
- Growth
- -
8
Messly
London, England, United Kingdom
Messly is a SaaS, Professional Network that helps doctors find their next role in healthcare.
- Revenue
- $5M
- Customers
- 100
- Year founded
- 2016
- Funding
- $1.1M
- Team size
- 8
- Growth
- -
9
Supernotes Education Ltd
London, England, United Kingdom
Supernotes is your new home for ideas, records, tasks, and lists. The fastest way to take notes and collaborate with friends. Create notecards with Markdown, LaTeX, images, emojis and more.
- Revenue
- $5M
- Customers
- -
- Year founded
- -
- Funding
- -
- Team size
- 4
- Growth
- -
10
Kalido
London, England, United Kingdom
Kalido is an amazing AI powered platform that matches enterprise workforce skills and strengths to people, teams, projects and jobs.
- Revenue
- $5M
- Customers
- -
- Year founded
- 2014
- Funding
- $2M
- Team size
- 18
- Growth
- -