- Companies
- Builders
- Attleborough
- Sigma Automotive Ltd
Sigma Automotive Ltd
- Company number
- 05090103
- Incorporated
- 31 Mar 200422 years trading
- Registered office
- The Old Yard, Old Buckenham, Attleborough, Norfolk, NR17 1SS
- Nature of business
- Construction of domestic buildings; Maintenance and repair of motor vehicles; Other letting and operating of own or leased real estate
Sigma Automotive Ltd is a 22-year-old private limited company registered in Attleborough, company number 05090103, one of 24 building contractors in Attleborough. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 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 £596 (-1.4%) on the year before, to -£43K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £4,535 against £146K owed within a year: 0.0 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | -£43K | £192 | £4,535 | £146K | 1 |
| 30 Mar 2024 | -£43K | £1,472 | £5,815 | £149K | 0 |
| 30 Mar 2023 | -£30K | £303 | £303 | £126K | 1 |
| 30 Mar 2022 | -£18K | £1,521 | £30K | £125K | 3 |
| 30 Mar 2021 | £6,026 | £4,374 | £101K | £107K | 1 |
| 31 Mar 2020 | £64K | £80K | £100K | £114K | 1 |
| 30 Mar 2020 | £64K | £80K | £100K | £114K | 1 |
| 31 Mar 2019 | £6 | £40K | £68K | 4 | |
| 31 Mar 2018 | -£1,416 | £25K | £53K | 5 | |
| 31 Mar 2017 | £15K | £59K | £41K | 5 |
Where Sigma Automotive Ltd is registered
The registered office is in Attleborough (NR17), in the Breckland local authority area, East of England. Show NR17 1SS on a map.
Other trade companies in NR17
- P Richmond & Son LtdPlumbers and heating engineers
- Ebs Motors LtdMotor traders
- Nklean Commercial Cleaning LtdCleaning companies
- Reno Developments LtdInstallers
- Jut Property LtdFinishing trades
- Renaldo Fit Out LtdInstallers
- Sjetec Engineers LtdCivil engineering
- Gen B Construction LtdInstallers
Also registered at this address
9 other companies use the same registered office as Sigma Automotive Ltd.
- BTR Norfolk LimitedBuilders
- Epb Developments LimitedBuilders
- Old Bucks Developments Brookville LimitedProperty developers
- Old Bucks Developments Crown ST LimitedProperty developers
- Old Bucks Developments Diss LimitedProperty developers
- Old Bucks Developments LimitedProperty developers
- Old Bucks Developments Norfolk LimitedProperty developers
- Old Bucks Developments Stradbroke LimitedProperty developers
- Old Bucks Homes LimitedProperty developers
What happens if Sigma Automotive 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 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 | 31 Mar 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 | 30 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
- 05090103
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2004 (22 years ago)
- Registered office
- The Old Yard, Old Buckenham, Attleborough, Norfolk, NR17 1SS
- Nature of business
- Construction of domestic buildings (SIC 41202)
Maintenance and repair of motor vehicles (SIC 45200)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 31 March 2026
- Charges (mortgages)
- 3 outstanding of 3 registered
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 Attleborough
Other active building contractors registered in Attleborough.
- Walnut Farm Developments Limited2000
- Waters Edge Developments Limited2015
- Breckland Construction Ltd2018
- BTR Norfolk Limited2024
- Countrywide Property Services (Norfolk) Ltd2021
- Dal Cladding Services Limited2006
- Darcie Richards Ltd2023
- Duncan and Hendrie Builders Limited2019
All building contractors in Attleborough · All trades in Attleborough · Builders across the UK
Frequently asked questions
When are Sigma Automotive Ltd's accounts due?
Sigma Automotive Ltd's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is Sigma Automotive Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Sigma Automotive Ltd still trading?
Sigma Automotive 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 Automotive Ltd do?
Sigma Automotive Ltd is registered under Construction of domestic buildings (SIC 41202); Maintenance and repair of motor vehicles (SIC 45200); Other letting and operating of own or leased real estate (SIC 68209).
How old is Sigma Automotive Ltd?
Sigma Automotive Ltd was incorporated on 31 March 2004, 22 years ago.
What is the penalty if Sigma Automotive 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 Automotive 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.