65 active trade and construction companies registered in Hillsborough, County Down, by trade.
Trade companies in Hillsborough in numbers
From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is R Watson (Properties) Limited, incorporated in 1926.
Companies
65
Active, small or micro accounts
New in the last 12 months
7
11% of the total
Typical net assets
£110K
Median of 50 latest balance sheets
Typical size
1 employee
Median average headcount
Accounts due in the next 3 months
21
Companies House deadlines
Still trading, by year incorporated
Companies still active today, by the year they were incorporated; 2026 is the year so far.
Every company on these pages is an active private limited company that files small or micro-entity accounts. Each one has to deliver accounts to Companies House within 9 months of its year end, pay corporation tax 9 months and 1 day after it, and file a CT600 with HMRC within 12 months.
Run a company in Hillsborough?
A.X.E.L Filing prepares your micro-entity accounts for Companies House and your CT600 for HMRC from one set of questions. £49 flat for both, no accountant, no subscription.