- Companies
- Electricians
- Coventry
- A. T. Site Services Ltd.
A. T. Site Services Ltd.
- Company number
- 05404901
- Incorporated
- 29 Mar 200521 years trading
- Registered office
- Union House, 111 New Union Street, Coventry, West Midlands, CV1 2NT
- Nature of business
- Electrical installation
A. T. Site Services Ltd. is a 21-year-old private limited company registered in Coventry, company number 05404901, one of 189 electrical contractors in Coventry. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £1,449 (+2.8%) on the year before, to £53K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £64K against £22K owed within a year: 3.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £53K | £64K | £22K | 2 | |
| 31 Mar 2025 | £51K | £55K | £13K | 2 | |
| 31 Mar 2024 | £46K | £51K | £15K | 2 | |
| 31 Mar 2023 | £56K | £87K | £41K | 2 | |
| 31 Mar 2022 | £45K | £70K | £34K | 2 | |
| 31 Mar 2021 | £40K | £51K | £22K | 2 | |
| 31 Mar 2020 | £28K | £37K | £20K | 2 | |
| 31 Mar 2019 | £22K | £31K | £20K | ||
| 31 Mar 2018 | £9,053 | £17K | £19K | ||
| 31 Mar 2017 | £20K | £25K | £16K |
Where A. T. Site Services Ltd. is registered
The registered office is in Coventry (CV1), in the Coventry local authority area, West Midlands. Show CV1 2NT on a map.
Other trade companies in CV1
- Cams Nationwide LtdCleaning companies
- JNTR LtdBuilders
- Tidy Base Cleaning LtdCleaning companies
- SF Window Cleaning LtdCleaning companies
- Azy Trans LtdCleaning companies
- Dexbury Cleaning LtdCleaning companies
- Service Vehicle LimitedMechanics and garages
- Adam UK Builders LtdPlumbers and heating engineers
Shared registered office
77 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if A. T. Site 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 05404901
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2005 (21 years ago)
- Registered office
- Union House, 111 New Union Street, Coventry, West Midlands, CV1 2NT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 29 March 2026
- Previous names
- Autokeys (Preston) Limited (until 30 Nov 2009)
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 Coventry
Other active electrical contractors registered in Coventry.
- Abi Electric Limited2025
- Ades-Cov Ltd2021
- Adrian Wilson Electricals Limited2020
- Ads Electrical & Plumbing Contractors Ltd2020
- Ajm Electrical Commercial and Industrial Ltd2018
- Ak Gas & Electrical Ltd2021
- All Electric Future Limited2022
- Amelectrician Ltd2025
All electrical contractors in Coventry · All trades in Coventry · Electricians across the UK
Frequently asked questions
When are A. T. Site Services Ltd.'s accounts due?
A. T. Site Services Ltd.'s next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is A. T. Site Services Ltd.'s CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is A. T. Site Services Ltd. still trading?
A. T. Site 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 A. T. Site Services Ltd. do?
A. T. Site Services Ltd. is registered under Electrical installation (SIC 43210).
How old is A. T. Site Services Ltd.?
A. T. Site Services Ltd. was incorporated on 29 March 2005, 21 years ago.
What is the penalty if A. T. Site 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 A. T. Site 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.