- Companies
- Specialist contractors
- Calne
- Simpkins Sealants Ltd
Simpkins Sealants Ltd
- Company number
- 17109924
- Incorporated
- 23 Mar 2026
- Registered office
- 10 Cooper Way, Calne, SN11 0GD
- Nature of business
- Other specialised construction activities n.e.c.
Simpkins Sealants Ltd is a newly incorporated private limited company registered in Calne, company number 17109924, one of 14 specialist construction companies in Calne. Its next accounts are due at Companies House on 23 December 2027, and its first CT600 is due at HMRC on 22 March 2028.
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 Simpkins Sealants Ltd is registered
The registered office is in Calne (SN11), in the Wiltshire local authority area, South West. Show SN11 0GD on a map.
Other trade companies in SN11
- Ionexis LimitedMachinery repair and installation
- B&L Mobile Car Repairs LtdMechanics and garages
- DCH Services (Wilts) LtdPlumbers and heating engineers
- Ezzyfix Auto Solutions LtdMotor traders
- Set Stone Tiling LtdBuilders
- C.D Substructures LtdBuilders
- Ever So Good Home Improvements LtdSpecialist contractors
- Hardy's Smart Repairs LtdMechanics and garages
What happens if Simpkins Sealants 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 23 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Dec 2027 to 23 Jan 2028 | £150 |
| 1 to 3 months late | 24 Jan 2028 to 23 Mar 2028 | £375 |
| 3 to 6 months late | 24 Mar 2028 to 23 Jun 2028 | £750 |
| More than 6 months late | From 24 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 17109924
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2026
- Registered office
- 10 Cooper Way, Calne, SN11 0GD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Calne
Other active specialist construction companies registered in Calne.
- Southwest Precast Ltd2010
- Stoneways Fireplaces and Stoves Limited2011
- Turner Landscapes Limited2006
- VB Electrical Services Ltd2022
- Coombes Carpentry Limited2015
- Ever So Good Home Improvements Ltd2026
- Fine Grain Ltd2021
- JBR Brickwork Ltd2025
All specialist construction companies in Calne · All trades in Calne · Specialist contractors across the UK
Frequently asked questions
When are Simpkins Sealants Ltd's accounts due?
Simpkins Sealants Ltd's next accounts are due at Companies House by 23 December 2027 (in 436 days), covering the period to 31 March 2027.
When is Simpkins Sealants 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 22 March 2027, due by 22 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Simpkins Sealants Ltd still trading?
Simpkins Sealants 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 Simpkins Sealants Ltd do?
Simpkins Sealants Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Simpkins Sealants Ltd?
Simpkins Sealants Ltd was incorporated on 23 March 2026, less than a year ago.
What is the penalty if Simpkins Sealants 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 Simpkins Sealants 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.