The largest business and domestic software development companies in Doncaster

Ranked by shareholders' funds, from 176 active companies in the DN postcode area.

"Largest" here means shareholders' funds — what the most recent balance sheet says the company is worth. It is the only measure of size filed by enough companies to rank on.

Companies that have never filed accounts cannot appear, however big they are. Figures are as filed at Companies House and can be a year or more old.

Business and domestic software development in Doncaster top 20

1. TRUSTFLIGHT LIMITED

£6,645,203 10989885 since 2017
2. COOPER SOLUTIONS LIMITED

£3,704,387 05168547 since 2004
3. KEYZO IT SOLUTIONS LTD

£2,907,139 08199457 since 2012
4. TOTAL AOC SOLUTIONS LIMITED

£1,700,512 07800710 since 2011
5. THERMLY LIMITED

£999,667 14706968 since 2023
6. STUMWOOD C.N.C. SERVICES LTD

£487,079 03559308 since 1998
7. MOOROOBOORAI LTD

£484,636 07283553 since 2010
8. ABAS UK LIMITED

£482,497 03110606 since 1995
9. STAR IT SOLUTIONS LIMITED

£331,577 05016862 since 2004
10. BLACKHEATH MEDICAL SERVICES LTD

£296,745 11006023 since 2017
11. PENTAHEDRA LIMITED

£265,984 07980061 since 2012
12. HOME SAFE DELIVERY PARTNERS LTD

£201,261 09371007 since 2014
13. SIRI SPECIALIST SERVICES LTD

£167,733 14522195 since 2022
14. MEDIBIOSENSE LTD

£98,877 09536165 since 2015
15. CSSL LTD

£97,340 03996773 since 2000
16. SQUAREONE SYSTEMS LTD

£85,687 14440666 since 2022
17. 295 LABS LTD

£85,546 12061026 since 2019
18. INTELLISOFT LTD

£76,383 11994897 since 2019
19. SEISTRAIN LTD

£75,000 12575242 since 2020
20. ENSYNERGY TECHNOLOGY LIMITED

£68,175 03607505 since 1998