Companies in Castlederg
234 active companies have their registered office in the Castlederg post town, 31 of them incorporated in the last 12 months. That is 0.00% of active UK companies with a recorded post town.
Based on registered office addresses on the Companies House register; a company's registered office is not always where it trades.
Key figures
- Active companies
- 234
- Incorporated in the last 12 months
- 31 (13.2%)
- Average company age
- 8.1 years
Watch: Size up a local market in one minute
You're opening a new sales territory. How many businesses are really there? 1:36 film, with captions.
Largest companies in Castlederg by net assets
Ranked by net assets (total assets less total liabilities) in each company's latest accounts on file, for periods ending in the last 30 months, as at 11 October 2026. Net assets are not turnover and do not measure size of trade. Employees are shown where the accounts state an average number.
| Rank | Company | Net assets | Employees | Accounts year end |
|---|---|---|---|---|
| 1 | SAYERS ENGINEERING LTD | £2.2m | 38 | 30 April 2025 |
| 2 | GNM GROUP HOLDINGS LIMITED | £1.1m | 0 | 30 September 2025 |
| 3 | RANKIN CONTRACTS LTD | £771k | 5 | 31 March 2026 |
| 4 | HUNTER ELECTRICS LIMITED | £758k | 36 | 31 January 2025 |
| 5 | CLARKE DAIRIES LTD | £693k | 3 | 31 July 2025 |
| 6 | BRATON CONSTRUCTION LIMITED | £674k | 2 | 30 June 2025 |
| 7 | C AND T K FARM LIMITED | £656k | 1 | 31 October 2025 |
| 8 | RJ RUTLEDGE LTD | £559k | 7 | 31 March 2025 |
| 9 | LYNCH TAR LTD | £551k | 22 | 31 March 2025 |
| 10 | TAMLAGHT SPAR LIMITED | £505k | 25 | 30 April 2025 |
Only companies whose latest figures balance and pass our checks, in pounds and not dormant, are ranked, so this is the largest among those we can show reliably, not every company registered in Castlederg. Figures are as filed with Companies House; CompanyStack does not audit them. A registered office is not always where a company trades.
Most common industries
Newest companies
| Company | Incorporated |
|---|---|
| DECOR WORX NI LTD | 1 October 2026 |
| GALFORCE LTD | 28 August 2026 |
| OAKDENE BIO ENTERPRISES LTD | 14 August 2026 |
| WEST COACHING CK LIMITED | 20 July 2026 |
| RMG UTILITIES LTD | 15 July 2026 |
| DERG TRANSPORT LTD | 2 July 2026 |
| COOLNAHERIN CONTRACTS LTD | 27 June 2026 |
Search further
Filter companies by postcode, industry and financials with the CompanyStack API — for example GET https://api.companystack.co.uk/company/postcode/{postcode}.