- Company number
- 15281407
- Incorporated
- 13 Nov 20232 years trading
- Registered office
- 195 Wood Street, London, E17 3NU
- Nature of business
- Construction of domestic buildings; Business and domestic software development; Information technology consultancy activities; Other information technology service activities
Trailblaze Labs Ltd is a 2-year-old private limited company registered in London, company number 15281407, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 down £4,068 on the year before, to -£4,067.
- Current assets of £504 against £4,571 owed within a year: 0.1 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£4,067 | £504 | £4,571 | 1 | |
| 30 Nov 2024 | £1 | £0 | £0 | 0 |
Where Trailblaze Labs Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 3NU on a map.
Other trade companies in E17
- MGB Auto Trading LtdMotor traders
- Spotless Behaviour LtdCleaning companies
- Addison & Vale Construction LtdBuilders
- Karina Business LtdInstallers
- Hazzi Automotive LtdMechanics and garages
- Zlatev Construction Service LimitedFinishing trades
- Zzzguard LtdBuilders
- Ok Estates & Developments LtdBuilders
Shared registered office
35 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 Trailblaze Labs 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15281407
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 2023 (2 years ago)
- Registered office
- 195 Wood Street, London, E17 3NU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Business and domestic software development (SIC 62012)
Information technology consultancy activities (SIC 62020)
Other information technology service activities (SIC 62090) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 8 August 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 London
Other active building contractors registered in London.
- Trampov Ltd2018
- Trans Car Ltd2018
- Trans Pernix Limited2024
- Transact B&C Limited2025
- Travs Electrical Installs Ltd2026
- TRC Synergy Ltd2019
- Treasured Investments (London) Ltd2016
- Tred Ltd2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Trailblaze Labs Ltd's accounts due?
Trailblaze Labs Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Trailblaze Labs Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Trailblaze Labs Ltd still trading?
Trailblaze Labs Ltd is listed as active on the Companies House register (checked 13 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 Trailblaze Labs Ltd do?
Trailblaze Labs Ltd is registered under Construction of domestic buildings (SIC 41202); Business and domestic software development (SIC 62012); Information technology consultancy activities (SIC 62020); Other information technology service activities (SIC 62090).
How old is Trailblaze Labs Ltd?
Trailblaze Labs Ltd was incorporated on 13 November 2023, 2 years ago.
What is the penalty if Trailblaze Labs 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 Trailblaze Labs Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.