- Companies
- Machinery repair and installation
- London
- MDK Environmental Technology Ltd.
MDK Environmental Technology Ltd.
- Company number
- 09003339
- Incorporated
- 22 Apr 201412 years trading
- Registered office
- 103 Russell Lane, London, N20 0AZ
- Nature of business
- Repair of electronic and optical equipment; Installation of industrial machinery and equipment; Agents involved in the sale of machinery, industrial equipment, ships and aircraft; Technical testing and analysis
MDK Environmental Technology Ltd. is a 12-year-old private limited company registered in London, company number 09003339, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £6,355 (+0.7%) on the year before, to £943K.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £1M against £77K owed within a year: more than 10 times cover.
- 1 employee on average, up from -1 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £943K | £1M | £77K | 1 | |
| 30 Apr 2024 | £937K | £1M | £70K | -1 | |
| 30 Apr 2023 | £940K | £1M | £65K | 0 | |
| 30 Apr 2022 | £959K | £1M | £45K | -1 | |
| 30 Apr 2021 | £999K | £1M | £35K | 1 | |
| 30 Apr 2020 | £1M | ||||
| 30 Apr 2019 | £1M | ||||
| 30 Apr 2018 | £1M | ||||
| 30 Apr 2017 | £1M | ||||
| 30 Apr 2016 | £1M |
Where MDK Environmental Technology Ltd. is registered
The registered office is in London (N20), in the Barnet local authority area, London. Show N20 0AZ on a map.
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What happens if MDK Environmental Technology 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 09003339
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 April 2014 (12 years ago)
- Registered office
- 103 Russell Lane, London, N20 0AZ
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
Installation of industrial machinery and equipment (SIC 33200)
Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140)
Technical testing and analysis (SIC 71200) - Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 20 June 2026
- Previous names
- Codel Technology Ltd (until 24 May 2022)
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.
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Other active machinery repair and installation companies registered in London.
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- Meas Marine Ltd2026
- Mechatronik Ltd2026
- Mechelecpro Solutions Ltd2025
- Mechtek Engineering Limited2012
- Mechtronix Engineering Limited2017
- Medforall Ltd2020
- Medi-Bence Servicing Limited2025
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Frequently asked questions
When are MDK Environmental Technology Ltd.'s accounts due?
MDK Environmental Technology Ltd.'s next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is MDK Environmental Technology Ltd.'s CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is MDK Environmental Technology Ltd. still trading?
MDK Environmental Technology 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 MDK Environmental Technology Ltd. do?
MDK Environmental Technology Ltd. is registered under Repair of electronic and optical equipment (SIC 33130); Installation of industrial machinery and equipment (SIC 33200); Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140); Technical testing and analysis (SIC 71200).
How old is MDK Environmental Technology Ltd.?
MDK Environmental Technology Ltd. was incorporated on 22 April 2014, 12 years ago.
What is the penalty if MDK Environmental Technology 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 MDK Environmental Technology 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.