- Companies
- Builders
- Northampton
- Sean Fitzsimons Contracting Ltd
Sean Fitzsimons Contracting Ltd
- Company number
- 16214040
- Incorporated
- 28 Jan 20251 year trading
- Registered office
- 40 Boughton Green Road, Northampton, NN2 7SP
- Nature of business
- Construction of domestic buildings; Construction of roads and motorways; Construction of other civil engineering projects n.e.c.
Sean Fitzsimons Contracting Ltd is a 1-year-old private limited company registered in Northampton, company number 16214040, one of 586 building contractors in Northampton. Its next accounts are due at Companies House on 28 October 2026, and its first CT600 is due at HMRC on 27 January 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 Sean Fitzsimons Contracting Ltd is registered
The registered office is in Northampton (NN2), in the West Northamptonshire local authority area, East Midlands. Show NN2 7SP on a map.
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What happens if Sean Fitzsimons Contracting 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 28 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Oct 2026 to 28 Nov 2026 | £150 |
| 1 to 3 months late | 29 Nov 2026 to 28 Jan 2027 | £375 |
| 3 to 6 months late | 29 Jan 2027 to 28 Apr 2027 | £750 |
| More than 6 months late | From 29 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16214040
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 January 2025 (1 year ago)
- Registered office
- 40 Boughton Green Road, Northampton, NN2 7SP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Construction of roads and motorways (SIC 42110)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 27 January 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 Northampton
Other active building contractors registered in Northampton.
- Sen Bright Solutions Ltd2021
- Sentinel Projects Ltd2026
- Serbumbata Ltd2021
- Sfarma Stone Ltd2022
- Shawry Services Ltd.2022
- Sidner CBS Limited2023
- Signature Buildworks Ltd2025
- Sixth Degree Construction Ltd2024
All building contractors in Northampton · All trades in Northampton · Builders across the UK
Frequently asked questions
When are Sean Fitzsimons Contracting Ltd's accounts due?
Sean Fitzsimons Contracting Ltd's next accounts are due at Companies House by 28 October 2026 (in 15 days), covering the period to 31 March 2026.
When is Sean Fitzsimons Contracting Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 January 2026, due by 27 January 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sean Fitzsimons Contracting Ltd still trading?
Sean Fitzsimons Contracting 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 Sean Fitzsimons Contracting Ltd do?
Sean Fitzsimons Contracting Ltd is registered under Construction of domestic buildings (SIC 41202); Construction of roads and motorways (SIC 42110); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Sean Fitzsimons Contracting Ltd?
Sean Fitzsimons Contracting Ltd was incorporated on 28 January 2025, 1 year ago.
What is the penalty if Sean Fitzsimons Contracting 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 Sean Fitzsimons Contracting 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.