- Companies
- Civil engineering
- Carmarthen
- GT & Son Services Ltd
GT & Son Services Ltd
- Company number
- 14781059
- Incorporated
- 4 Apr 20233 years trading
- Registered office
- 7 Conduit Lane, Carmarthen, SA31 1LD
- Nature of business
- Construction of other civil engineering projects n.e.c.; Agents selling agricultural raw materials, livestock, textile raw materials and semi-finished goods
GT & Son Services Ltd is a 3-year-old private limited company registered in Carmarthen, company number 14781059, one of 16 civil engineering contractors in Carmarthen. Its next accounts are due at Companies House on 28 January 2027, and the CT600 for the period to 28 April 2026 is due at HMRC on 28 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 £15K (+112%) on the year before, to £29K.
- Current assets of £12K against £23K owed within a year: 0.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Apr 2025 | £29K | £12K | £23K | 0 | |
| 29 Apr 2024 | £14K | £5,822 | 0 |
Where GT & Son Services Ltd is registered
The registered office is in Carmarthen (SA31), in the Carmarthenshire local authority area, Wales. Show SA31 1LD on a map.
Other trade companies in SA31
- Revworks Studio LtdMechanics and garages
- Celf Construction LimitedPlasterers
- DCM Plant Hire LimitedSpecialist contractors
- M Owen Construction LtdBuilders
- Tce Construction LtdBuilders
- LW Pro Build LtdBuilders
- PW Solar LtdElectricians
- Mark Williams Carpets LimitedFloor and wall tilers
Also registered at this address
4 other companies use the same registered office as GT & Son Services Ltd.
- Ark Plumbing LtdPlumbers and heating engineers
- Ldcqacq23 LtdElectricians
- Mares Landscaping LtdLandscapers and gardeners
- Parry and Son Builders (PSB) LtdBuilders
What happens if GT & Son 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 28 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jan 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 28 Apr 2027 | £375 |
| 3 to 6 months late | 29 Apr 2027 to 28 Jul 2027 | £750 |
| More than 6 months late | From 29 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Apr 2027 | £200 |
| 3 months late | 28 Jul 2027 | another £200 |
| 6 months late | 28 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 14781059
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 April 2023 (3 years ago)
- Registered office
- 7 Conduit Lane, Carmarthen, SA31 1LD
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Agents selling agricultural raw materials, livestock, textile raw materials and semi-finished goods (SIC 46110) - Year end
- 28 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 April 2025
- Last confirmation statement
- 3 April 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 Carmarthen
Other active civil engineering contractors registered in Carmarthen.
- Jeff James (Wales) Limited2015
- John Williams & Co.(Crwbin Quarries)Limited1948
- Jre Excavation Fencing Groundworks Ltd2023
- JRJ Terrafirma Limited2021
- P and R Networks Ltd2017
- Pro Groundworks (Carmarthen) Limited2019
- Streamline Contract Services Ltd2021
- Zavaschi Limited2026
All civil engineering contractors in Carmarthen · All trades in Carmarthen · Civil engineering across the UK
Frequently asked questions
When are GT & Son Services Ltd's accounts due?
GT & Son Services Ltd's next accounts are due at Companies House by 28 January 2027 (in 107 days), covering the period to 28 April 2026.
When is GT & Son Services Ltd's CT600 due?
The CT600 for the period to 28 April 2026 is due at HMRC by 28 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 January 2027.
Is GT & Son Services Ltd still trading?
GT & Son 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 GT & Son Services Ltd do?
GT & Son Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Agents selling agricultural raw materials, livestock, textile raw materials and semi-finished goods (SIC 46110).
How old is GT & Son Services Ltd?
GT & Son Services Ltd was incorporated on 4 April 2023, 3 years ago.
What is the penalty if GT & Son 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 GT & Son 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.