- Companies
- Machinery repair and installation
- Cartronics GB Limited
Cartronics GB Limited
- Company number
- 04771078
- Incorporated
- 20 May 200323 years trading
- Registered office
- 22 High Road, Byfleet, Surrey, KT14 7QG
- Nature of business
- Repair and maintenance of other transport equipment n.e.c.; Other retail sale of new goods in specialised stores (not commercial art galleries and opticians); Technical testing and analysis
Cartronics GB Limited is a 23-year-old private limited company registered in Surrey, company number 04771078, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £3,126 (+0.4%) on the year before, to £733K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £765K against £142K owed within a year: 5.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £733K | £485K | £765K | £142K | 0 |
| 30 Jun 2024 | £730K | £526K | £808K | £178K | 6 |
| 30 Jun 2023 | £633K | £687K | £729K | £163K | 6 |
| 30 Jun 2022 | £474K | £519K | £574K | £129K | 6 |
| 30 Jun 2021 | £392K | £499K | £519K | £145K | 6 |
| 30 Jun 2020 | £320K | £386K | £429K | £125K | 6 |
| 30 Jun 2019 | £294K | £341K | £113K | 6 | |
| 30 Jun 2018 | £222K | £209K | £244K | £54K | 7 |
| 30 Jun 2017 | £234K | £219K | £265K | £71K | 7 |
Where Cartronics GB Limited is registered
The registered office is in Surrey (KT14), in the Woking local authority area, South East. Show KT14 7QG on a map.
Other trade companies in KT14
- Aegis Fire Systems LtdInstallers
- Automotive Repair Centre Services Arc LtdMotor traders
- Surrey Parade Shine and Polish LimitedRepair services
- Giraffe Roof LtdRoofers
- D-Man Construction LtdBuilders
- The Speedwell Tyre Group LimitedMechanics and garages
- Kybert and Butler LimitedBuilders
- Wentworth Basements LtdBuilders
What happens if Cartronics GB 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 04771078
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2003 (23 years ago)
- Registered office
- 22 High Road, Byfleet, Surrey, KT14 7QG
- Nature of business
- Repair and maintenance of other transport equipment n.e.c. (SIC 33170)
Other retail sale of new goods in specialised stores (not commercial art galleries and opticians) (SIC 47789)
Technical testing and analysis (SIC 71200) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 18 December 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies
Other active machinery repair and installation companies.
Frequently asked questions
When are Cartronics GB Limited's accounts due?
Cartronics GB Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Cartronics GB Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Cartronics GB Limited still trading?
Cartronics GB Limited 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 Cartronics GB Limited do?
Cartronics GB Limited is registered under Repair and maintenance of other transport equipment n.e.c. (SIC 33170); Other retail sale of new goods in specialised stores (not commercial art galleries and opticians) (SIC 47789); Technical testing and analysis (SIC 71200).
How old is Cartronics GB Limited?
Cartronics GB Limited was incorporated on 20 May 2003, 23 years ago.
What is the penalty if Cartronics GB 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 Cartronics GB Limited 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.