The largest technical testing and analysis companies in Guildford

Ranked by shareholders' funds, from 25 active companies in the GU 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.

Technical testing and analysis in Guildford top 20

1. UNIVERSAL INSTRUMENT SERVICES LIMITED

£2,013,260 01554448 since 1981
2. A B A SURVEYING LIMITED

£1,133,200 04729663 since 2003
3. FALA LIMITED

£977,909 05393926 since 2005
5. RISK MANAGEMENT LIMITED

£341,636 03752505 since 1999
6. RHEALTO LIMITED

£314,604 03543342 since 1998
7. SUREBREW LIMITED

£219,873 07154666 since 2010
8. AQUARIUS COMMISSIONING SOLUTIONS LTD

£47,212 12404140 since 2020
9. DMK COMMISSIONING LIMITED

£41,467 06223925 since 2007
10. AIRSAFE SURVEYS LIMITED

£36,089 06992047 since 2009
11. EDOX NOISE SERVICES LIMITED

£18,515 06657368 since 2008
12. DUKES CONSULTING LTD

£9,958 15541510 since 2024
13. CHANGE MADE SIMPLE LTD

£4,546 14080739 since 2022
14. NAT20 LTD

£3,881 12519435 since 2020
15. ETHERINGTONS ELECTRICAL TESTING LTD

£1,186 06265100 since 2007
16. UNICORN PROPERTY SURVEYORS LTD

£472 16035070 since 2024
17. AMBER SOFTWARE LIMITED

£369 13165326 since 2021
18. GENETEST LTD.

£5 05119683 since 2004
18. DECREEAERO LIMITED

£5 03233069 since 1996
20. ROCKHOPPER TESTING LTD

£1 16021909 since 2024
21. TECHNICAL DEPARTMENT HOLDINGS EOT LIMITED

£0 16041766 since 2024