- Company number
- 13434621
- Incorporated
- 2 Jun 20215 years trading
- Registered office
- 63A Braunstone Close, Leicester, LE3 2GW
- Nature of business
- Construction of domestic buildings; Freight transport by road
Simarson Building Contractors Limited is a 5-year-old private limited company registered in Leicester, company number 13434621, one of 559 building contractors in Leicester. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £294 (-5.1%) on the year before, to £5,470.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £9,983 against £4,513 owed within a year: 2.2 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £5,470 | £9,983 | £4,513 | 1 | |
| 31 Mar 2024 | £5,764 | £9,601 | £3,837 | 2 | |
| 31 Mar 2023 | £5,566 | £17K | £12K | 2 | |
| 31 Mar 2022 | £712 | £7,059 | £6,347 | 2 |
Where Simarson Building Contractors Limited is registered
The registered office is in Leicester (LE3), in the Blaby local authority area, East Midlands. Show LE3 2GW on a map.
Other trade companies in LE3
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- Dma Export Parts LtdMotor traders
- MZ Builder( UK) LtdFinishing trades
- Hayer Investment Corp LtdBuilders
- Vel Electrical LtdElectricians
- S2S Cleaning Service LtdCleaning companies
- Marti Group Building LtdBuilders
- Shine Brighter Services LtdCleaning companies
What happens if Simarson Building Contractors 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 13434621
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2021 (5 years ago)
- Registered office
- 63A Braunstone Close, Leicester, LE3 2GW
- Nature of business
- Construction of domestic buildings (SIC 41202)
Freight transport by road (SIC 49410) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 October 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 Leicester
Other active building contractors registered in Leicester.
- Simhill Builders Limited2014
- Sindal Construction Ltd2017
- Singh Builders Midlands Ltd2024
- SJB Brickwork and Construction Ltd2026
- SK Saini Ltd2025
- Skilled Roofers Limited2023
- Skyebuild Properties Limited2018
- Skyline Builds Ltd2024
All building contractors in Leicester · All trades in Leicester · Builders across the UK
Frequently asked questions
When are Simarson Building Contractors Limited's accounts due?
Simarson Building Contractors Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Simarson Building Contractors Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Simarson Building Contractors Limited still trading?
Simarson Building Contractors 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 Simarson Building Contractors Limited do?
Simarson Building Contractors Limited is registered under Construction of domestic buildings (SIC 41202); Freight transport by road (SIC 49410).
How old is Simarson Building Contractors Limited?
Simarson Building Contractors Limited was incorporated on 2 June 2021, 5 years ago.
What is the penalty if Simarson Building Contractors 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 Simarson Building Contractors 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.