The largest other research and experimental development on natural sciences and engineering companies in Exeter

Ranked by shareholders' funds, from 33 active companies in the EX 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.

Other research and experimental development on natural sciences and engineering in Exeter top 20

1. SEICHE LIMITED

£4,269,997 03475558 since 1997
2. ATTOMARKER LIMITED

£3,135,980 06550714 since 2008
3. WITT LIMITED

£2,763,220 06348505 since 2007
4. EYEMATER LIMITED

£677,481 08933508 since 2014
5. OXBIO LTD

£470,159 15205215 since 2023
6. HYDROSURV UNMANNED SURVEY (UK) LTD

£327,201 07604820 since 2011
7. RENEWABLE HEAT & POWER LIMITED

£191,978 03737270 since 1999
8. NEIL PASSMORE PROCESS ENGINEERING LIMITED

£169,851 07156688 since 2010
9. THE SUNSEED TRUST LTD

£161,757 04749157 since 2003
10. MEW CLINICAL LTD

£149,968 14629959 since 2023
11. NUMERICAL OPTICS LTD

£144,643 08171197 since 2012
12. ENCORTEC LIMITED

£139,760 13677794 since 2021
13. ADVANCED CHEMICAL INTERMEDIATES LIMITED

£57,408 05906463 since 2006
14. ARINVENT LIMITED

£24,096 06531795 since 2008
15. SODOR GEOSCIENCES LIMITED

£5,317 11626988 since 2018
16. DWILLIAMS CONTRACTORS LTD

£1,502 14334881 since 2022
17. NORTH DEVON MARINE PROJECT LTD

£1,203 14379321 since 2022
18. CALIBRATION CONCEPTS LIMITED

£500 06131542 since 2007
19. PREMIER GEL DESIGNS LTD

£457 12429314 since 2020
20. NET ZERO LIMITED

£100 11639792 since 2018