- Company number
- 12587321
- Incorporated
- 5 May 20206 years trading
- Registered office
- Unit 7A, Eastpark Trading Estate Gordon Road, Whitehall, Bristol, BS5 7DR
- Nature of business
- Construction of commercial buildings
Optimum Fire Stopping Ltd is a 6-year-old private limited company registered in Bristol, company number 12587321, one of 809 building contractors in Bristol. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £6,188 on the year before, to £6,288.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £14K against £7,726 owed within a year: 1.8 times cover.
- 8 employees on average during the year.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £6,288 | £14K | £7,726 | 8 | |
| 31 Mar 2025 | £100 | £100 | |||
| 31 May 2024 | £100 | £100 | |||
| 31 May 2023 | £100 | £100 | |||
| 31 May 2022 | £100 | £100 | |||
| 31 May 2021 | £100 | £100 |
Where Optimum Fire Stopping Ltd is registered
The registered office is in Bristol (BS5), in the Bristol, City of local authority area, South West. Show BS5 7DR on a map.
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What happens if Optimum Fire Stopping Ltd 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 12587321
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 May 2020 (6 years ago)
- Registered office
- Unit 7A, Eastpark Trading Estate Gordon Road, Whitehall, Bristol, BS5 7DR
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 12 April 2026
- Previous names
- Optimum Firestopping Ltd (until 11 Nov 2024)
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 Bristol
Other active building contractors registered in Bristol.
- Optimus DB Limited2020
- Optus Projects Limited2010
- Osadare Limited2018
- Osprey Court Ltd2020
- Otm Construction Limited2023
- Otwell Developments Limited1999
- Out of Squire Ltd2025
- P Meek Carpentry Ltd2011
All building contractors in Bristol · All trades in Bristol · Builders across the UK
Frequently asked questions
When are Optimum Fire Stopping Ltd's accounts due?
Optimum Fire Stopping Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Optimum Fire Stopping Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Optimum Fire Stopping Ltd still trading?
Optimum Fire Stopping Ltd 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 Optimum Fire Stopping Ltd do?
Optimum Fire Stopping Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Optimum Fire Stopping Ltd?
Optimum Fire Stopping Ltd was incorporated on 5 May 2020, 6 years ago.
What is the penalty if Optimum Fire Stopping Ltd 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 Optimum Fire Stopping Ltd 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.