The largest joinery installation companies in Swansea

Ranked by shareholders' funds, from 82 active companies in the SA 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.

Joinery installation in Swansea top 20

1. D & K CARPENTRY CONTRACTORS LIMITED

£2,006,808 07426704 since 2010
2. CASTLE CARPENTRY LIMITED

£913,482 10385360 since 2016
3. DEAN HEYCOCK CARPENTRY LIMITED

£774,651 04825850 since 2003
4. JONES & ANDREWS LIMITED

£704,622 00890477 since 1966
5. GREENS CONSTRUCTION LTD

£571,523 09450898 since 2015
6. MERGE SERVICES LIMITED

£416,965 06091253 since 2007
7. MARGAM UPVC WINDOWS & DOORS LIMITED

£378,095 03346128 since 1997
8. SPARTACUS SPECIAL BUILDING PROJECTS LIMITED

£348,528 06806454 since 2009
9. O J JOINERY LIMITED

£297,248 06488001 since 2008
10. NT FRAMING LTD

£290,300 05995671 since 2006
11. ADVANCED TIMBER ERECTING LIMITED

£253,526 12183169 since 2019
12. PRODAM LTD

£243,596 10906476 since 2017
13. TREHARNE HOMES LTD.

£223,734 06541452 since 2008
14. HORIZON WINDOWS LIMITED

£132,029 08922764 since 2014
15. DC CARPENTRY & JOINERY LIMITED

£130,406 08036665 since 2012
16. CGL LIMITED

£92,895 05422313 since 2005
17. EDMUNDS WEBSTER JOINERY LIMITED

£79,328 10999980 since 2017
18. ALLSWORTH CARPENTRY LIMITED

£77,647 08492369 since 2013
19. G & C CARPENTRY LIMITED

£68,998 09813388 since 2015
20. SPG CARPENTRY LTD

£66,304 11798151 since 2019