- Companies
- Machinery repair and installation
- London
- Dee Biomed Ltd
Dee Biomed Ltd
- Company number
- 12679426
- Incorporated
- 18 Jun 20206 years trading
- Registered office
- 167-169 Great Portland Street Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Repair of electronic and optical equipment; Research and experimental development on biotechnology; Other professional, scientific and technical activities n.e.c.; Other education n.e.c.
Dee Biomed Ltd is a 6-year-old private limited company registered in London, company number 12679426, one of 1,743 machinery repair and installation companies in London. 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 £18K (+188.2%) on the year before, to £8,296.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £22K against £14K owed within a year: 1.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £8,296 | £22K | £14K | 1 | |
| 30 Jun 2024 | -£9,407 | £7,494 | £17K | 1 | |
| 30 Jun 2023 | -£6,981 | £3,544 | £11K | 0 | |
| 30 Jun 2022 | £419 | 0 | |||
| 30 Jun 2021 | £976 | 0 |
Where Dee Biomed Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
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Also registered at this address
18 other companies use the same registered office as Dee Biomed Ltd.
- A.G. International Renovations LtdBuilders
- Alphadeltazulu LimitedMechanics and garages
- Aspect Estates LimitedProperty developers
- Axgate Construction LtdProperty developers
- Chilterns Services LtdLandscapers and gardeners
- Gap Services LtdMachinery repair and installation
- Hausencare LtdBuilders
- HC Harris Cleaning LtdCleaning companies
- Jigsaw FM LtdMachinery repair and installation
- Layline Solutions LtdMachinery repair and installation
- Leof LtdProperty developers
- NDNR LimitedProperty developers
- One Recovery Group LimitedMechanics and garages
- Peak Developments Group LtdProperty developers
- Prime Elite Academy LtdProperty developers
- RLD Contractors LtdFacilities management
- Sullinars LtdBuilders
- Wendy Gleam Services LimitedCleaning companies
What happens if Dee Biomed 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 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
- 12679426
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 June 2020 (6 years ago)
- Registered office
- 167-169 Great Portland Street Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
Research and experimental development on biotechnology (SIC 72110)
Other professional, scientific and technical activities n.e.c. (SIC 74909)
Other education n.e.c. (SIC 85590) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 29 January 2026
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 in London
Other active machinery repair and installation companies registered in London.
- Deep Thought Technology Ltd2018
- Deesoconcepts Ltd2019
- Delta Power Electrical Ltd2023
- Deluna Electrical Solutions Limited2025
- Deniz Electrical Services Ltd2021
- Denny Rail Services Ltd2025
- Denton's Appliances Limited2016
- Deocons Roofing Ltd2021
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Dee Biomed Ltd's accounts due?
Dee Biomed Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.
When is Dee Biomed Ltd'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 Dee Biomed Ltd still trading?
Dee Biomed 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 Dee Biomed Ltd do?
Dee Biomed Ltd is registered under Repair of electronic and optical equipment (SIC 33130); Research and experimental development on biotechnology (SIC 72110); Other professional, scientific and technical activities n.e.c. (SIC 74909); Other education n.e.c. (SIC 85590).
How old is Dee Biomed Ltd?
Dee Biomed Ltd was incorporated on 18 June 2020, 6 years ago.
What is the penalty if Dee Biomed 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 Dee Biomed 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.