Company profile · Builders
Fixnest Limited
Fixnest Limited is a 1-year-old private limited company registered in London, company number 16432475, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 6 February 2027, and its first CT600 is due at HMRC on 5 May 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Fixnest Limited is registered
The registered office is in London (SE1), in the Southwark local authority area, London. Show SE1 3SU on a map.
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What happens if Fixnest 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 6 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Feb 2027 to 6 Mar 2027 | £150 |
| 1 to 3 months late | 7 Mar 2027 to 6 May 2027 | £375 |
| 3 to 6 months late | 7 May 2027 to 6 Aug 2027 | £750 |
| More than 6 months late | From 7 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16432475
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2025 (1 year ago)
- Registered office
- 10-11 Snowsfields, London, SE1 3SU
- Nature of business
- Construction of commercial buildings (SIC 41201)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 May 2026
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.
- Fixology London Ltd2025
- Fixright Services Ltd2026
- Fixrite UK Ltd2026
- Fixsud Ltd2020
- Fixxo London Ltd2023
- FJW Groundworks & Landscapes Ltd2026
- FK Construction Services Limited2023
- FK Property Maintenance Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Fixnest Limited's accounts due?
Fixnest Limited's next accounts are due at Companies House by 6 February 2027 (in 117 days), covering the period to 31 May 2026.
When is Fixnest 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 5 May 2026, due by 5 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Fixnest Limited still trading?
Fixnest 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 Fixnest Limited do?
Fixnest Limited is registered under Construction of commercial buildings (SIC 41201); Other specialised construction activities n.e.c. (SIC 43999).
How old is Fixnest Limited?
Fixnest Limited was incorporated on 6 May 2025, 1 year ago.
What is the penalty if Fixnest 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 Fixnest 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.