- Companies
- Machinery repair and installation
- Poole
- Atomic Welding Ltd
Atomic Welding Ltd
- Company number
- 15628191
- Incorporated
- 9 Apr 20242 years trading
- Registered office
- Unit 1 the Courtyard, Thrush Road, Poole, BH12 4NP
- Nature of business
- Repair of fabricated metal products
Atomic Welding Ltd is a 2-year-old private limited company registered in Poole, company number 15628191, one of 117 machinery repair and installation companies in Poole. 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 Atomic Welding Ltd is registered
The registered office is in Poole (BH12), in the Bournemouth, Christchurch and Poole local authority area, South West. Show BH12 4NP on a map.
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What happens if Atomic Welding 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
- 15628191
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 April 2024 (2 years ago)
- Registered office
- Unit 1 the Courtyard, Thrush Road, Poole, BH12 4NP
- Nature of business
- Repair of fabricated metal products (SIC 33110)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 April 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Poole
Other active machinery repair and installation companies registered in Poole.
- B & H Services Air Conditioning Limited2003
- B V Marine Ltd2023
- Batr.Cho.GRP Ltd2026
- Bazanela Ltd2022
- Blue Lagoon (Services) Ltd2021
- BMC Digital Services Dorset Ltd2010
- Bourne Transport Services Limited2005
- Bower Enterprises Limited2022
All machinery repair and installation companies in Poole · All trades in Poole · Machinery repair and installation across the UK
Frequently asked questions
When are Atomic Welding Ltd's accounts due?
Atomic Welding Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Atomic Welding 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 Atomic Welding Ltd still trading?
Atomic Welding 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 Atomic Welding Ltd do?
Atomic Welding Ltd is registered under Repair of fabricated metal products (SIC 33110).
How old is Atomic Welding Ltd?
Atomic Welding Ltd was incorporated on 9 April 2024, 2 years ago.
What is the penalty if Atomic Welding 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 Atomic Welding 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.