IT & Software companies in United Kingdom
Looking for IT & Software companies in United Kingdom? LeadSetu tracks 72,884 of them across United Kingdom, with a business email for 48% and a phone number for 72%. For 23,522 we also hold named people, including decision makers at 19,182.
Most of them are based in London (10,304), Manchester (919), Birmingham (402). By sub-industry, Software development & IT services leads with 41,016 companies, followed by Hardware, networking & repair (14,152).
Sign in to filter them by city, size and sub-industry, see who runs each company and build a list you can export or work in the CRM.
Top cities
By sub-industry
Contact coverage
Sample IT & Software companies in United Kingdom
| Company | Contacts |
|---|---|
| Arm Holdings | Contacts after login |
| Canonical | Contacts after login |
| Quantinuum | Contacts after login |
| Programming Assignment Help | Contacts after login |
| Linaro | Contacts after login |
| Collabora | Contacts after login |
| Mongodb Uk | Contacts after login |
| Seagate Technology | Contacts after login |
A few of the 72,884 companies. Decision makers, emails and phones are shown to signed-in customers only.
Get the full list with contacts
Decision makers, business emails and phone numbers for IT & Software companies in United Kingdom are available to signed-in customers. Tell us what you need and we will send a quote within one working day.
IT & Software in other countries
- United States144,105
- India119,561
- Germany71,729
- Italy37,942
- France35,418
- The Netherlands26,917
- Brazil20,906
- Spain18,402
- Canada13,114
- Australia11,565
- Switzerland10,263
- Belgium8,787
Other sectors in United Kingdom
- Real Estate & Construction74,247
- Healthcare50,151
- Automotive39,254
- Education31,125
- Professional & Business Services27,206
- Manufacturing & Industrial24,374
- Finance & Insurance18,314
- Media & Entertainment17,859
- Marketing & Advertising15,727
- Logistics & Transport11,987
- Retail & Shopping8,420
- Legal6,112
Related pages
- IT & Software companies in Germany
- IT & Software companies in Italy
- Real Estate & Construction companies in United Kingdom
- Healthcare companies in United Kingdom
- IT companies in India: database by city
- CRM with built-in leads for every category
- IT & Software companies in United States
- IT & Software companies in Portugal
Counts are worked out from public company websites and official registers and refreshed regularly (last update 5 Nov 2026). A company is counted once, in the city and state of its main address.