- Companies
- Electricians
- Swansea
- Atb Contractors Ltd
Atb Contractors Ltd
- Company number
- 15572712
- Incorporated
- 18 Mar 20242 years trading
- Registered office
- 21 Gower Road, Sketty, Swansea, SA2 9BX
- Nature of business
- Electrical installation
Atb Contractors Ltd is a 2-year-old private limited company registered in Swansea, company number 15572712, one of 148 electrical contractors in Swansea. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 March 2025, as filed at Companies House.
Where Atb Contractors Ltd is registered
The registered office is in Swansea (SA2), in the Swansea local authority area, Wales. Show SA2 9BX on a map.
Other trade companies in SA2
- Living Landscapes Commercial LtdLandscapers and gardeners
- DC Plumbing & Construction LtdBuilders
- Ginger Property Services LimitedProperty developers
- Smart Space Living LtdJoiners and carpenters
- Paul Vernon HV Sap LimitedCivil engineering
- L.H Hiab & Recovery LimitedMechanics and garages
- Lewis Tarmac LtdCivil engineering
- Tolzini Cleaning Services LtdCleaning companies
Also registered at this address
12 other companies use the same registered office as Atb Contractors Ltd.
- Coates Developments LimitedFinishing trades
- Craftsmen Elite LtdFinishing trades
- Everest Mechanical Services LimitedPlumbers and heating engineers
- F2H Fitting LimitedFloor and wall tilers
- Haus Classics LtdMotor traders
- Herms Construction LimitedProperty developers
- LWRS LtdFinishing trades
- Roben Property Developments LtdFinishing trades
- Serv&Co LtdMechanics and garages
- Three Phase LtdElectricians
- TJ Rated Services LtdCleaning companies
- TR Scaffolding LtdScaffolders
What happens if Atb Contractors 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15572712
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2024 (2 years ago)
- Registered office
- 21 Gower Road, Sketty, Swansea, SA2 9BX
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 March 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Swansea
Other active electrical contractors registered in Swansea.
- Atex Installations Ltd2015
- Atlas Solar & Storage Limited2026
- Aurora Electrical & Maintenance Ltd2026
- Avernakis Ltd2022
- Awrb Solar & Storage Solutions Ltd2023
- Ayles M.E.C Ltd2023
- Bat Electrics Limited2025
- Bluetree Installations Ltd2014
All electrical contractors in Swansea · All trades in Swansea · Electricians across the UK
Frequently asked questions
When are Atb Contractors Ltd's accounts due?
Atb Contractors Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Atb Contractors Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Atb Contractors Ltd still trading?
Atb Contractors 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 Atb Contractors Ltd do?
Atb Contractors Ltd is registered under Electrical installation (SIC 43210).
How old is Atb Contractors Ltd?
Atb Contractors Ltd was incorporated on 18 March 2024, 2 years ago.
What is the penalty if Atb Contractors 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 Atb Contractors 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.