- Companies
- Mechanics and garages
- Mercus and Sons Limited
Mercus and Sons Limited
- Company number
- 14364906
- Incorporated
- 20 Sep 20224 years trading
- Registered office
- 103 Helio House, 1 Anderson Road, Kidbrooke Village, London, SE3 9JH
- Nature of business
- Maintenance and repair of motor vehicles
Mercus and Sons Limited is a 4-year-old private limited company registered in Kidbrooke Village, company number 14364906, one of the UK's vehicle repair garages. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £1,678 (+69.6%) on the year before, to £4,089.
- Current assets of £1,223 against £5,312 owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £4,089 | £1,223 | £5,312 | 1 | |
| 30 Sep 2024 | £2,411 | £813 | £3,224 | 1 | |
| 30 Sep 2023 | £1,130 | £308 | £1,438 | 1 |
Where Mercus and Sons Limited is registered
The registered office is in Kidbrooke Village (SE3), in the Greenwich local authority area, London. Show SE3 9JH on a map.
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- Nirvana Climate Solutions LtdPlumbers and heating engineers
- Akers Mep Services LtdPlumbers and heating engineers
- Pinewood Electrical LtdElectricians
- Zufc LtdCleaning companies
What happens if Mercus and Sons 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 14364906
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 September 2022 (4 years ago)
- Registered office
- 103 Helio House, 1 Anderson Road, Kidbrooke Village, London, SE3 9JH
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 19 September 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
Other active vehicle repair garages.
Frequently asked questions
When are Mercus and Sons Limited's accounts due?
Mercus and Sons Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Mercus and Sons Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mercus and Sons Limited still trading?
Mercus and Sons Limited is listed as active on the Companies House register (checked 13 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 Mercus and Sons Limited do?
Mercus and Sons Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Mercus and Sons Limited?
Mercus and Sons Limited was incorporated on 20 September 2022, 4 years ago.
What is the penalty if Mercus and Sons 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 Mercus and Sons Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.