- Companies
- Civil engineering
- London
- B and M Groundworks Ltd
B and M Groundworks Ltd
- Company number
- 16509768
- Incorporated
- 10 Jun 20251 year trading
- Registered office
- 10 Goldcrest Close, London, E16 3RX
- Nature of business
- Construction of other civil engineering projects n.e.c.
B and M Groundworks Ltd is a 1-year-old private limited company registered in London, company number 16509768, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 10 March 2027, and its first CT600 is due at HMRC on 9 June 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where B and M Groundworks Ltd is registered
The registered office is in London (E16), in the Newham local authority area, London. Show E16 3RX on a map.
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What happens if B and M Groundworks 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 10 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Mar 2027 to 10 Apr 2027 | £150 |
| 1 to 3 months late | 11 Apr 2027 to 10 Jun 2027 | £375 |
| 3 to 6 months late | 11 Jun 2027 to 10 Sep 2027 | £750 |
| More than 6 months late | From 11 Sep 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
- 16509768
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 June 2025 (1 year ago)
- Registered office
- 10 Goldcrest Close, London, E16 3RX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 June 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- B Solar UK Ltd2024
- B&M Civil Ltd2023
- B&R London Limited2016
- B-Mole Limited2007
- B.J Bunting Ltd2025
- Ba Power Limited2007
- Babs Oke Limited2018
- Badmos Aa Ltd2024
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are B and M Groundworks Ltd's accounts due?
B and M Groundworks Ltd's next accounts are due at Companies House by 10 March 2027 (in 148 days), covering the period to 30 June 2026.
When is B and M Groundworks Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 June 2026, due by 9 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is B and M Groundworks Ltd still trading?
B and M Groundworks 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 B and M Groundworks Ltd do?
B and M Groundworks Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is B and M Groundworks Ltd?
B and M Groundworks Ltd was incorporated on 10 June 2025, 1 year ago.
What is the penalty if B and M Groundworks 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 B and M Groundworks 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.