- Companies
- Electricians
- London
- Guardian Iq Systems Ltd
Guardian Iq Systems Ltd
- Company number
- 17347203
- Incorporated
- 18 Jul 2026
- Registered office
- 25 ST. Michael's Avenue, London, N9 8DE
- Nature of business
- Electrical installation; Other information technology service activities; Security systems service activities; Other service activities n.e.c.
Guardian Iq Systems Ltd is a newly incorporated private limited company registered in London, company number 17347203, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 18 April 2028, and its first CT600 is due at HMRC on 17 July 2028.
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.
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Where Guardian Iq Systems Ltd is registered
The registered office is in London (N9), in the Enfield local authority area, London. Show N9 8DE on a map.
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- Enfield Mobile Diagnostics LtdMechanics and garages
- Charlie Valentin LtdCleaning companies
What happens if Guardian Iq Systems 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 18 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Apr 2028 to 18 May 2028 | £150 |
| 1 to 3 months late | 19 May 2028 to 18 Jul 2028 | £375 |
| 3 to 6 months late | 19 Jul 2028 to 18 Oct 2028 | £750 |
| More than 6 months late | From 19 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17347203
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 July 2026
- Registered office
- 25 ST. Michael's Avenue, London, N9 8DE
- Nature of business
- Electrical installation (SIC 43210)
Other information technology service activities (SIC 62090)
Security systems service activities (SIC 80200)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 July (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 London
Other active electrical contractors registered in London.
- Guk Solutions Ltd2024
- Guven Electrical Ltd2026
- Guzel Electrical Services Ltd2020
- Guzman Heating & Cooling Ltd2024
- H & D Repair Appliance Ltd2023
- H & H Electric Compliance Limited2026
- H & M Electrician Ltd2022
- H&E Building Services Limited2025
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Guardian Iq Systems Ltd's accounts due?
Guardian Iq Systems Ltd's next accounts are due at Companies House by 18 April 2028 (in 553 days), covering the period to 31 July 2027.
When is Guardian Iq Systems 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 17 July 2027, due by 17 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Guardian Iq Systems Ltd still trading?
Guardian Iq Systems 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 Guardian Iq Systems Ltd do?
Guardian Iq Systems Ltd is registered under Electrical installation (SIC 43210); Other information technology service activities (SIC 62090); Security systems service activities (SIC 80200); Other service activities n.e.c. (SIC 96090).
How old is Guardian Iq Systems Ltd?
Guardian Iq Systems Ltd was incorporated on 18 July 2026, less than a year ago.
What is the penalty if Guardian Iq Systems 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 Guardian Iq Systems 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.