Companies in Portrush
208 active companies have their registered office in the Portrush post town, 19 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
- 208
- Incorporated in the last 12 months
- 19 (9.1%)
- Average company age
- 12.9 years
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Largest companies in Portrush 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 | OWEY ENTERPRISES LIMITED | £10.2m | 219 | 31 March 2025 |
| 2 | COOKSTOWN BATTERY AND AUTO SERVICES LIMITED | £2.3m | 0 | 30 September 2025 |
| 3 | CANTLEY LIMITED | £1.2m | 21 | 31 January 2025 |
| 4 | CAUSEWAY GROUP HOLDINGS LIMITED | £1.2m | 0 | 30 June 2025 |
| 5 | ARCATH PROPERTIES LTD | £957k | 0 | 31 December 2024 |
| 6 | J.A.B. ENTERPRISES LIMITED | £590k | 0 | 31 March 2025 |
| 7 | KNOCKLYN PROPERTIES LIMITED | £473k | 2 | 30 September 2025 |
| 8 | TURTLE COTTAGE LIMITED | £460k | 0 | 31 March 2025 |
| 9 | KENNEDY HOTELS (NI) LIMITED | £418k | 0 | 30 September 2025 |
| 10 | UBTAS LIMITED | £391k | 2 | 31 March 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 Portrush. 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 |
|---|---|
| THE COASTAL POUR LTD | 2 October 2026 |
| LOINNIR TEAM BUILDING LIMITED | 24 September 2026 |
| HOEFNAGELS-DENIES AMUSEMENT LTD | 8 September 2026 |
| KOKO PORTRUSH LTD | 26 August 2026 |
| RCM TRANSPORT LTD | 10 August 2026 |
| MJSDIAGNOSTICS LTD | 28 June 2026 |
| NORTH COAST LIFE SOLUTIONS LTD | 19 June 2026 |
| ADHD DIAGNOSTICS LTD | 18 June 2026 |
| PREMIERSPORTSGENETICS LTD | 18 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}.