- Companies
- Specialist contractors
- Margate
- BJM Engineering & Mechanics Ltd
BJM Engineering & Mechanics Ltd
- Company number
- 13455635
- Incorporated
- 14 Jun 20215 years trading
- Registered office
- District Park District Park, Manston Road, Margate, CT9 4JZ
- Nature of business
- Other specialised construction activities n.e.c.; Sale of used cars and light motor vehicles; Maintenance and repair of motor vehicles
BJM Engineering & Mechanics Ltd is a 5-year-old private limited company registered in Margate, company number 13455635, one of 29 specialist construction companies in Margate. 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 £3,040 (+149.4%) on the year before, to £5,075.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £9,823 against £3,874 owed within a year: 2.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £5,075 | £9,823 | £3,874 | 0 | |
| 30 Jun 2024 | £2,035 | £20K | £2,968 | 0 | |
| 30 Jun 2023 | £17K | £14K | £1,850 | 0 | |
| 30 Jun 2022 | £38K | £5,261 | £605 | 1 |
Where BJM Engineering & Mechanics Ltd is registered
The registered office is in Margate (CT9), in the Thanet local authority area, South East. Show CT9 4JZ on a map.
Other trade companies in CT9
- KMH Property Group LtdProperty developers
- JR Electrical Services (Kent) LtdMachinery repair and installation
- CSL Ground Solutions LtdInstallers
- Pej Court Developments LtdBuilders
- Alro Interior Building LtdFinishing trades
- Tune Up Garage LtdMechanics and garages
- KM Group LtdProperty developers
- S.Groundworks LtdCivil engineering
What happens if BJM Engineering & Mechanics 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
- 13455635
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 June 2021 (5 years ago)
- Registered office
- District Park District Park, Manston Road, Margate, CT9 4JZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Sale of used cars and light motor vehicles (SIC 45112)
Maintenance and repair of motor vehicles (SIC 45200) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 24 November 2025
- Previous names
- BM Mobile Mechanics Ltd (until 24 Nov 2022)
Billy Matcham Limited (until 18 May 2022)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Margate
Other active specialist construction companies registered in Margate.
- Broadstairs Bathroom Solutions Limited2014
- Build South East Limited2011
- Chapman Safety Services Ltd2018
- Eurogalve Ltd2023
- Go Lifting Group Limited2025
- Golden Brick Investments Ltd2016
- Home Heroes Limited2012
- Invicta Storage Systems Limited1985
All specialist construction companies in Margate · All trades in Margate · Specialist contractors across the UK
Frequently asked questions
When are BJM Engineering & Mechanics Ltd's accounts due?
BJM Engineering & Mechanics Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is BJM Engineering & Mechanics 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 BJM Engineering & Mechanics Ltd still trading?
BJM Engineering & Mechanics 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 BJM Engineering & Mechanics Ltd do?
BJM Engineering & Mechanics Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Sale of used cars and light motor vehicles (SIC 45112); Maintenance and repair of motor vehicles (SIC 45200).
How old is BJM Engineering & Mechanics Ltd?
BJM Engineering & Mechanics Ltd was incorporated on 14 June 2021, 5 years ago.
What is the penalty if BJM Engineering & Mechanics 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 BJM Engineering & Mechanics 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.