- Companies
- Cleaning companies
- Newent
- Sigma Builders Ltd
Sigma Builders Ltd
- Company number
- 15988950
- Incorporated
- 1 Oct 20242 years trading
- Registered office
- 11 Reevers Road, Newent, GL18 1TN
- Nature of business
- General cleaning of buildings; Landscape service activities
Sigma Builders Ltd is a 2-year-old private limited company registered in Newent, company number 15988950, one of the UK's cleaning companies. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Where Sigma Builders Ltd is registered
The registered office is in Newent (GL18), in the Forest of Dean local authority area, South West. Show GL18 1TN on a map.
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- Graces Pitch Holdings LtdProperty developers
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- Altitude Roofing Gloucestershire LtdRoofers
- Arp Group Services LtdMachinery repair and installation
What happens if Sigma Builders 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 15988950
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 October 2024 (2 years ago)
- Registered office
- 11 Reevers Road, Newent, GL18 1TN
- Nature of business
- General cleaning of buildings (SIC 81210)
Landscape service activities (SIC 81300) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 3 September 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Newent
Other active cleaning companies registered in Newent.
All cleaning companies in Newent · All trades in Newent · Cleaning companies across the UK
Frequently asked questions
When are Sigma Builders Ltd's accounts due?
Sigma Builders Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Sigma Builders Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Sigma Builders Ltd still trading?
Sigma Builders 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 Sigma Builders Ltd do?
Sigma Builders Ltd is registered under General cleaning of buildings (SIC 81210); Landscape service activities (SIC 81300).
How old is Sigma Builders Ltd?
Sigma Builders Ltd was incorporated on 1 October 2024, 2 years ago.
What is the penalty if Sigma Builders 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 Sigma Builders 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.