- Company number
- NI648794
- Incorporated
- 20 Oct 20178 years trading
- Registered office
- 42 Millhaven, Sion Mills, Strabane, Tyrone, BT82 9FG
- Nature of business
- Construction of domestic buildings
Building Services Sion Limited is a 8-year-old private limited company registered in Strabane, company number NI648794, one of 47 building contractors in Strabane. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Building Services Sion LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets unchanged on the year before, at £6,670.
- Net assets rose in 0 of 6 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2018 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £6,670 | £9,536 | 1 | ||
| 31 Oct 2023 | £6,670 | £2,866 | £9,536 | 1 | |
| 31 Oct 2022 | £6,670 | £2,866 | £9,536 | 1 | |
| 31 Oct 2021 | £6,670 | £2,866 | £9,536 | 1 | |
| 31 Oct 2020 | £6,670 | £2,866 | £9,536 | 1 | |
| 31 Oct 2019 | £7,170 | £1,866 | £9,036 | 1 | |
| 31 Oct 2018 | £8,370 | £1,266 | £9,636 |
Where Building Services Sion Limited is registered
The registered office is in Strabane (BT82), in the Derry City and Strabane local authority area, Northern Ireland. Show BT82 9FG on a map.
Other trade companies in BT82
- Mod Motors LtdMotor traders
- Rsi VS LtdFinishing trades
- Rsi SD LtdFinishing trades
- Be Clear Installations LtdGlaziers
- Ae Digital Engineering Services LtdCivil engineering
- Clady Refurb LtdProperty developers
- Devlin Contracts LtdProperty developers
- Clean and Carwash LtdCleaning companies
What happens if Building Services Sion Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- NI648794
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 October 2017 (8 years ago)
- Registered office
- 42 Millhaven, Sion Mills, Strabane, Tyrone, BT82 9FG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 19 October 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Strabane
Other active building contractors registered in Strabane.
- C & L Concrete Ltd2015
- Chris McCauley Construction Ltd2016
- CMD Construction Ltd2019
- Conor Kelly Ltd2014
- Curley Hill Manor Limited2014
- Dfe Contracts Limited2025
- Doherty Steel Fixing N.I. Limited2017
- Elm Contracts Ltd2025
All building contractors in Strabane · All trades in Strabane · Builders across the UK
Frequently asked questions
When are Building Services Sion Limited's accounts due?
Building Services Sion Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Building Services Sion Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Building Services Sion Limited still trading?
Building Services Sion Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Building Services Sion Limited do?
Building Services Sion Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Building Services Sion Limited?
Building Services Sion Limited was incorporated on 20 October 2017, 8 years ago.
What is the penalty if Building Services Sion Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Building Services Sion Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.