- Companies
- Specialist contractors
- Fire Stop and Seal Limited
Fire Stop and Seal Limited
- Company number
- NI634825
- Incorporated
- 13 Nov 201510 years trading
- Registered office
- 231A Castle Road, Randalstown, County Antrim, BT41 2EB
- Nature of business
- Other specialised construction activities n.e.c.
Fire Stop and Seal Limited is a 10-year-old private limited company registered in Randalstown, company number NI634825, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 up £60K (+56%) on the year before, to £168K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £279K against £163K owed within a year: 1.7 times cover.
- 7 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £168K | £40K | £279K | £163K | 7 |
| 31 Dec 2024 | £107K | £81K | £163K | £92K | 7 |
| 31 Dec 2023 | £110K | £40K | £177K | £105K | 6 |
| 31 Dec 2022 | £83K | £43K | £194K | £128K | 6 |
| 31 Dec 2021 | £50K | £34K | £130K | £71K | 12 |
| 31 Mar 2021 | £54K | £17K | £156K | £79K | 14 |
| 31 Mar 2020 | £35K | £27K | £120K | £112K | 6 |
| 31 Mar 2019 | £17K | £102K | £104K | ||
| 31 Mar 2018 | £2,845 | £47K | £60K | ||
| 31 Mar 2017 | £7,129 | £45K | £42K |
Where Fire Stop and Seal Limited is registered
The registered office is in Randalstown (BT41), in the Antrim and Newtownabbey local authority area, Northern Ireland. Show BT41 2EB on a map.
Other trade companies in BT41
- Artlone Utilities LtdMachinery repair and installation
- LGC Contracts LtdBuilders
- GM Homes & Property LimitedProperty developers
- McCombe Construction LtdBuilders
- C.S.Spray.Worx LimitedPainters and decorators
- Cuttin An'trimmin LtdLandscapers and gardeners
- M3 Fitout LimitedInstallers
- PCR Property Developments LimitedBuilders
What happens if Fire Stop and Seal 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI634825
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 2015 (10 years ago)
- Registered office
- 231A Castle Road, Randalstown, County Antrim, BT41 2EB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 12 November 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies
Other active specialist construction companies.
Frequently asked questions
When are Fire Stop and Seal Limited's accounts due?
Fire Stop and Seal Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Fire Stop and Seal Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Fire Stop and Seal Limited still trading?
Fire Stop and Seal 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 Fire Stop and Seal Limited do?
Fire Stop and Seal Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Fire Stop and Seal Limited?
Fire Stop and Seal Limited was incorporated on 13 November 2015, 10 years ago.
What is the penalty if Fire Stop and Seal 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 Fire Stop and Seal 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.