- Company number
- 04898837
- Incorporated
- 15 Sep 200323 years trading
- Registered office
- c/o Hillier Hopkins LLP, First Floor Radius House, 51 Clarendon Road, Watford, WD17 1HP
- Nature of business
- Construction of commercial buildings
G & MB Limited is a 23-year-old private limited company registered in Watford, company number 04898837, one of 365 building contractors in Watford. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 down £48K (-115.2%) on the year before, to -£6,334.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £27K against £59K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2014 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2023 | -£6,334 | £27K | £59K | 1 | |
| 31 Oct 2022 | £42K | £66K | £27K | 1 | |
| 31 Oct 2021 | £19K | £38K | £22K | 1 | |
| 31 Oct 2020 | -£694 | £24K | £25K | 1 | |
| 31 Oct 2019 | -£15K | £29K | £44K | 2 | |
| 31 Oct 2018 | -£11K | £22K | £34K | ||
| 31 Oct 2017 | £1,960 | £27K | £25K | ||
| 31 Oct 2016 | -£5,545 | £21K | £21K | £28K | |
| 31 Oct 2015 | £226 | £16K | £16K | £17K | |
| 31 Oct 2014 | £2,578 | £17K | £17K | £16K |
Where G & MB Limited is registered
The registered office is in Watford (WD17), in the Watford local authority area, East of England. Show WD17 1HP on a map.
Other trade companies in WD17
- Ramauto LimitedMotor traders
- A1 Motors Watford LtdMechanics and garages
- Kola Brickwork LtdInstallers
- Appleby's Mechanical Services LtdPlumbers and heating engineers
- Kpu Services LtdProperty developers
- Highmark Investments LtdBuilders
- Boriama Private Office LimitedCleaning companies
- Oldsy Install LtdInstallers
Shared registered office
31 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if G & MB 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 04898837
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 September 2003 (23 years ago)
- Registered office
- c/o Hillier Hopkins LLP, First Floor Radius House, 51 Clarendon Road, Watford, WD17 1HP
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 15 September 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Watford
Other active building contractors registered in Watford.
- G Bacon Limited2002
- G V Bricks & Stones Ltd2015
- G Virk Builders Limited2018
- Gabriel Innovations Group Ltd2025
- Garston Scaffolding Ltd2025
- GD Vent Ltd2024
- General Handyman Services Ltd2021
- Genesis Key Construction Ltd2022
All building contractors in Watford · All trades in Watford · Builders across the UK
Frequently asked questions
When are G & MB Limited's accounts due?
G & MB Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is G & MB Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is G & MB Limited still trading?
G & MB Limited is listed as active on the Companies House register (checked 13 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 & MB Limited do?
G & MB Limited is registered under Construction of commercial buildings (SIC 41201).
How old is G & MB Limited?
G & MB Limited was incorporated on 15 September 2003, 23 years ago.
What is the penalty if G & MB 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 & MB Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.