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

Ranked by shareholders' funds, from 33 active companies in the YO 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 York top 20

1. FERA SCIENCE LIMITED

£32,861,667 09413107 since 2015
2. YORK BIOANALYTICAL SOLUTIONS LIMITED

£25,154,086 03776816 since 1999
3. ACTIVE DEVICE DEVELOPMENT LIMITED

£3,353,977 07416410 since 2010
4. DIAMOND POINT RESEARCH LTD

£1,965,346 01443880 since 1979
5. NGENICS GLOBAL LIMITED

£371,504 07952918 since 2012
6. 7 RDD LIMITED

£307,636 06823752 since 2009
7. KINGSHAY FARMING AND CONSERVATION LIMITED

£264,205 02596568 since 1991
8. HARPER HEALTHCARE LIMITED

£82,961 07972909 since 2012
9. QUANTITATIVE IMAGING LTD

£81,445 12311108 since 2019
10. RYMER DEVELOPMENTS LIMITED

£55,311 05018085 since 2004
11. KLEIJNEN SYSTEMATIC REVIEWS LIMITED

£54,939 05427322 since 2005
12. ESK VALLEY ENVIRONMENTAL LTD

£47,796 09258062 since 2014
13. OVAL INNOVATIONS LTD

£47,346 15071227 since 2023
14. TRANSZERO LTD

£44,606 16024580 since 2024
15. FLAMBOROUGH BIRD OBSERVATORY TRUST LIMITED

£40,460 12722351 since 2020
16. VERRELI LTD

£35,530 03989150 since 2000
17. AGRIFOOD X LIMITED

£23,482 12083285 since 2019
18. COMMONWEALTH LABS LTD

£13,207 15949811 since 2024
19. KINETIC FUSION LTD

£8,966 15004981 since 2023
20. KANOTEC SOLUTIONS LTD

£2,537 14996050 since 2023