- Companies
- Civil engineering
- Caldicot
- Grand Master Services Ltd
Grand Master Services Ltd
- Company number
- 15893127
- Incorporated
- 12 Aug 20242 years trading
- Registered office
- Green Street Farm Green Street, Magor, Caldicot, NP26 3DY
- Nature of business
- Construction of utility projects for fluids; Construction of utility projects for electricity and telecommunications; Construction of other civil engineering projects n.e.c.
Grand Master Services Ltd is a 2-year-old private limited company registered in Caldicot, company number 15893127, one of 5 civil engineering contractors in Caldicot. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where Grand Master Services Ltd is registered
The registered office is in Caldicot (NP26), in the Newport local authority area, Wales. Show NP26 3DY on a map.
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- HDF Construction & Development LtdProperty developers
- Hines Auto Group LtdMotor traders
- PD Electrics LtdElectricians
- Construction Quality Services LtdCivil engineering
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- Undy Motor Services LimitedMechanics and garages
Also registered at this address
1 other company uses the same registered office as Grand Master Services Ltd.
- Eco-Tech Laser Solutions LtdCleaning companies
What happens if Grand Master Services 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15893127
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2024 (2 years ago)
- Registered office
- Green Street Farm Green Street, Magor, Caldicot, NP26 3DY
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
Construction of utility projects for electricity and telecommunications (SIC 42220)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 11 August 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 Caldicot
Other active civil engineering contractors registered in Caldicot.
All civil engineering contractors in Caldicot · All trades in Caldicot · Civil engineering across the UK
Frequently asked questions
When are Grand Master Services Ltd's accounts due?
Grand Master Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Grand Master Services Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Grand Master Services Ltd still trading?
Grand Master Services 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 Grand Master Services Ltd do?
Grand Master Services Ltd is registered under Construction of utility projects for fluids (SIC 42210); Construction of utility projects for electricity and telecommunications (SIC 42220); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Grand Master Services Ltd?
Grand Master Services Ltd was incorporated on 12 August 2024, 2 years ago.
What is the penalty if Grand Master Services 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 Grand Master Services 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.