- Companies
- Electricians
- Watford
- Ats Electrical and Security Ltd
Ats Electrical and Security Ltd
- Company number
- 16664685
- Incorporated
- 21 Aug 20251 year trading
- Registered office
- 105 Newhouse Crescent, Watford, WD25 7JA
- Nature of business
- Electrical installation; Security systems service activities
Ats Electrical and Security Ltd is a 1-year-old private limited company registered in Watford, company number 16664685, one of 141 electrical contractors in Watford. Its next accounts are due at Companies House on 21 May 2027, and its first CT600 is due at HMRC on 20 August 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Ats Electrical and Security Ltd is registered
The registered office is in Watford (WD25), in the Watford local authority area, East of England. Show WD25 7JA on a map.
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What happens if Ats Electrical and Security 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 21 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 May 2027 to 21 Jun 2027 | £150 |
| 1 to 3 months late | 22 Jun 2027 to 21 Aug 2027 | £375 |
| 3 to 6 months late | 22 Aug 2027 to 21 Nov 2027 | £750 |
| More than 6 months late | From 22 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16664685
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2025 (1 year ago)
- Registered office
- 105 Newhouse Crescent, Watford, WD25 7JA
- Nature of business
- Electrical installation (SIC 43210)
Security systems service activities (SIC 80200) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Watford
Other active electrical contractors registered in Watford.
- Auto Safeguard Ltd2024
- Avente Limited2004
- Ayan Electricians Limited2019
- Bagata Ltd2016
- Baldwin & Bleakley Electrical Services Limited1976
- Bapashri Services Limited2013
- Barton Electrics Ltd2019
- Bellottifightingtolighting Ltd2022
All electrical contractors in Watford · All trades in Watford · Electricians across the UK
Frequently asked questions
When are Ats Electrical and Security Ltd's accounts due?
Ats Electrical and Security Ltd's next accounts are due at Companies House by 21 May 2027 (in 221 days), covering the period to 31 August 2026.
When is Ats Electrical and Security Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 August 2026, due by 20 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ats Electrical and Security Ltd still trading?
Ats Electrical and Security Ltd is listed as active on the Companies House register (checked 12 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 Ats Electrical and Security Ltd do?
Ats Electrical and Security Ltd is registered under Electrical installation (SIC 43210); Security systems service activities (SIC 80200).
How old is Ats Electrical and Security Ltd?
Ats Electrical and Security Ltd was incorporated on 21 August 2025, 1 year ago.
What is the penalty if Ats Electrical and Security 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 Ats Electrical and Security Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.