- Companies
- Specialist contractors
- London
- G.A.M. Building Service Limited
G.A.M. Building Service Limited
- Company number
- 08995293
- Incorporated
- 14 Apr 201412 years trading
- Registered office
- Mortlake Business Centre, 20 Mortlake High Street, London, SW14 8JN
- Nature of business
- Other specialised construction activities n.e.c.
G.A.M. Building Service Limited is a 12-year-old private limited company registered in London, company number 08995293, one of 4,318 specialist construction 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 £2,818 (+3%) on the year before, to £98K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- 1 employee on average during the year.
- 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 | £98K | £3,910 | £98K | 1 | |
| 30 Apr 2024 | £95K | £4,892 | £95K | 1 | |
| 30 Apr 2023 | £78K | £18K | £78K | 1 | |
| 30 Apr 2022 | £106K | £106K | 1 | ||
| 30 Apr 2021 | £75K | £75K | 2 | ||
| 30 Apr 2020 | £3,351 | £3,351 | 2 | ||
| 30 Apr 2019 | £1,324 | £1,324 | |||
| 30 Apr 2018 | £5,400 | £5,400 | |||
| 30 Apr 2017 | £12K | £8,507 | |||
| 30 Apr 2016 | £664 | £664 |
Where G.A.M. Building Service Limited is registered
The registered office is in London (SW14), in the Richmond upon Thames local authority area, London. Show SW14 8JN on a map.
Other trade companies in SW14
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- Alkaya Development LtdProperty developers
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- Arcload LtdBuilders
- Bespoke Home Repair LtdRepair services
- The Stanley Collective LtdProperty developers
What happens if G.A.M. Building Service 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 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
- 08995293
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 April 2014 (12 years ago)
- Registered office
- Mortlake Business Centre, 20 Mortlake High Street, London, SW14 8JN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 14 April 2026
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 London
Other active specialist construction companies registered in London.
- G.B.S. Art Ltd2017
- G.F.J. Limited2005
- G.H.A. Limited1980
- G.J.E Construction Group Ltd2026
- G.K.A. Construction Limited2014
- G.K.D - Cad Design Services Limited2021
- G.O Rail Solutions Ltd2019
- G.S.D Maintenance Limited2025
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are G.A.M. Building Service Limited's accounts due?
G.A.M. Building Service Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is G.A.M. Building Service Limited'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 G.A.M. Building Service Limited still trading?
G.A.M. Building Service 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 G.A.M. Building Service Limited do?
G.A.M. Building Service Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is G.A.M. Building Service Limited?
G.A.M. Building Service Limited was incorporated on 14 April 2014, 12 years ago.
What is the penalty if G.A.M. Building Service 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 G.A.M. Building Service 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.