- Companies
- Mechanics and garages
- Harrow
- Sigma Autos Ltd
Sigma Autos Ltd
- Company number
- 11825705
- Incorporated
- 13 Feb 20197 years trading
- Registered office
- 52D Kenmore Road, Harrow, HA3 9EU
- Nature of business
- Maintenance and repair of motor vehicles
Sigma Autos Ltd is a 7-year-old private limited company registered in Harrow, company number 11825705, one of 159 vehicle repair garages in Harrow. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 up £27K (+116.9%) on the year before, to £51K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £93K against £149K owed within a year: 0.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £51K | £92K | £93K | £149K | 2 |
| 29 Feb 2024 | £23K | £82K | £84K | £163K | 2 |
| 28 Feb 2023 | £20K | £56K | £58K | £148K | 2 |
| 28 Feb 2022 | £9,077 | £29K | £31K | £141K | 2 |
| 28 Feb 2021 | £1,752 | £35K | £37K | £160K | 2 |
| 29 Feb 2020 | -£6,146 | £3,191 | £16K | £157K | 0 |
| 28 Feb 2019 | £0 | £0 | £0 | £0 | 0 |
Where Sigma Autos Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 9EU on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
What happens if Sigma Autos 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11825705
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2019 (7 years ago)
- Registered office
- 52D Kenmore Road, Harrow, HA3 9EU
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 30 June 2026
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies in Harrow
Other active vehicle repair garages registered in Harrow.
- SK Mobile Tyre and Recovery Services Limited2026
- SNV Automobile (UK) Ltd2025
- Stagemycar Limited2023
- Strong and Turton Limited1962
- SV Automotive Solutions Ltd2021
- Swift Auto Garage & MOT Centre Ltd2020
- Taha Autos Ltd2015
- The Arches Motor Repairs Ltd2022
All vehicle repair garages in Harrow · All trades in Harrow · Mechanics and garages across the UK
Frequently asked questions
When are Sigma Autos Ltd's accounts due?
Sigma Autos Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Sigma Autos Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Sigma Autos Ltd still trading?
Sigma Autos 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 Autos Ltd do?
Sigma Autos Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Sigma Autos Ltd?
Sigma Autos Ltd was incorporated on 13 February 2019, 7 years ago.
What is the penalty if Sigma Autos 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 Autos 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.