- Companies
- Plumbers and heating engineers
- London
- Optimal Transformation Firm Ltd
Optimal Transformation Firm Ltd
- Company number
- 13705072
- Incorporated
- 26 Oct 20214 years trading
- Registered office
- 7 Bell Yard, London, WC2A 2JR
- Nature of business
- Plumbing, heat and air-conditioning installation; Plastering; Floor and wall covering; Painting
Optimal Transformation Firm Ltd is a 4-year-old private limited company registered in London, company number 13705072, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 unchanged on the year before, at £0.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £0 | £0 | £0 | 0 | |
| 31 Oct 2024 | £0 | £0 | £0 | 0 | |
| 28 Oct 2023 | £500 | ||||
| 7 Nov 2022 | £0 | £0 | |||
| 31 Oct 2022 | £500 |
Where Optimal Transformation Firm Ltd is registered
The registered office is in London (WC2A), in the Westminster local authority area, London. Show WC2A 2JR on a map.
Other trade companies in WC2A
- Eg Cleaner Company LtdCleaning companies
- Moore's Scaffolding LtdScaffolders
- Regal Motors LimitedMechanics and garages
- Lifetime Roofing Specialist LimitedRoofers
- MJ Construction Contractor LtdBuilders
- Ridgeworks (South) LtdRoofers
- Spacex Concrete LtdProperty developers
- Nationwide Roofing & Warranty LimitedBuilders
Shared registered office
221 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Optimal Transformation Firm 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 13705072
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 October 2021 (4 years ago)
- Registered office
- 7 Bell Yard, London, WC2A 2JR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Plastering (SIC 43310)
Floor and wall covering (SIC 43330)
Painting (SIC 43341) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 9 April 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Optimo Services Limited2025
- Optimum Flow Ltd2016
- Optimus Ecoheat Ltd2025
- Optimus Property Maintenance Ltd2021
- Orange Correct Solutions Limited2020
- Orbital Gas Services Ltd2016
- Oresta Ltd2023
- Origin-Gas Heating and Plumbing Company Limited2023
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Optimal Transformation Firm Ltd's accounts due?
Optimal Transformation Firm Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Optimal Transformation Firm Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Optimal Transformation Firm Ltd still trading?
Optimal Transformation Firm 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 Optimal Transformation Firm Ltd do?
Optimal Transformation Firm Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Plastering (SIC 43310); Floor and wall covering (SIC 43330); Painting (SIC 43341).
How old is Optimal Transformation Firm Ltd?
Optimal Transformation Firm Ltd was incorporated on 26 October 2021, 4 years ago.
What is the penalty if Optimal Transformation Firm 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 Optimal Transformation Firm 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.