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- Atom Electric Services Limited
Company profile · Electricians
Atom Electric Services Limited
Atom Electric Services Limited is a 4-year-old private limited company registered in Sheffield, company number 14262973, one of 327 electrical contractors in Sheffield. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 July 2025, as filed at Companies House.
Atom Electric Services Limited over the years
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 £11K (+54.5%) on the year before, to £32K.
- Current assets of £19K against £1,000 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £32K | £19K | £1,000 | 1 | |
| 31 Jul 2024 | £20K | £15K | £19K | £500 | 1 |
| 31 Jul 2023 | £0 | £0 | £0 | 1 |
Where Atom Electric Services Limited is registered
The registered office is in Sheffield (S2), in the Sheffield local authority area, Yorkshire and The Humber. Show S2 1AS on a map.
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What happens if Atom Electric Services 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 14262973
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2022 (4 years ago)
- Registered office
- Unit B23, Alison Crescent, Sheffield, S2 1AS
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 27 July 2026
- Previous names
- Atom Energy Services Limited (until 29 Sep 2023)
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 Sheffield
Other active electrical contractors registered in Sheffield.
- Atreus Ltd2022
- Aurexon Technologies Ltd2026
- Ava Softech Ltd2013
- Avail Systems Limited2010
- Avondale Electrical Solutions Limited2019
- B L Electrical Contractors Limited1996
- Barhamjones Electrical Ltd2025
- Belk Ceilings Ltd2011
All electrical contractors in Sheffield · All trades in Sheffield · Electricians across the UK
Frequently asked questions
When are Atom Electric Services Limited's accounts due?
Atom Electric Services Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Atom Electric Services Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Atom Electric Services Limited still trading?
Atom Electric Services Limited 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 Atom Electric Services Limited do?
Atom Electric Services Limited is registered under Electrical installation (SIC 43210).
How old is Atom Electric Services Limited?
Atom Electric Services Limited was incorporated on 28 July 2022, 4 years ago.
What is the penalty if Atom Electric Services 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 Atom Electric Services Limited 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.