- Companies
- Cleaning companies
- London
- Sec Exterior Cleaning Ltd
Sec Exterior Cleaning Ltd
- Company number
- 17237611
- Incorporated
- 22 May 2026
- Registered office
- C/O Horizon Ca, 98 Theobalds Road, London, WC1X 8WB
- Nature of business
- General cleaning of buildings
Sec Exterior Cleaning Ltd is a newly incorporated private limited company registered in London, company number 17237611, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 22 February 2028, and its first CT600 is due at HMRC on 21 May 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 Sec Exterior Cleaning Ltd is registered
The registered office is in London (WC1X), in the Camden local authority area, England. Show WC1X 8WB on a map.
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- Hane House LtdBuilders
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- Premium Building Solutions LtdBuilders
- Al Tasleem Roadside Assistance LtdMechanics and garages
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Also registered at this address
4 other companies use the same registered office as Sec Exterior Cleaning Ltd.
- Di Mambro Marketing LtdFinishing trades
- DS Tyres LtdMechanics and garages
- KSL Facilities Management LtdBuilders
- Tidalcoat Exteriors LtdRoofers
What happens if Sec Exterior Cleaning 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 22 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Feb 2028 to 22 Mar 2028 | £150 |
| 1 to 3 months late | 23 Mar 2028 to 22 May 2028 | £375 |
| 3 to 6 months late | 23 May 2028 to 22 Aug 2028 | £750 |
| More than 6 months late | From 23 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17237611
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 May 2026
- Registered office
- C/O Horizon Ca, 98 Theobalds Road, London, WC1X 8WB
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in London
Other active cleaning companies registered in London.
- Secure City Cleaning Ltd2023
- Secure Cleaning Services Ltd2025
- Seeforth Services Ltd2015
- Seeking Serenity Ltd2025
- Selah Professional Cleaning Services Ltd2025
- Selclene (Dulwich) Ltd1997
- Selfemployed Ltd2023
- Selyn All Clean Ltd2026
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Sec Exterior Cleaning Ltd's accounts due?
Sec Exterior Cleaning Ltd's next accounts are due at Companies House by 22 February 2028 (in 497 days), covering the period to 31 May 2027.
When is Sec Exterior Cleaning 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 21 May 2027, due by 21 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sec Exterior Cleaning Ltd still trading?
Sec Exterior Cleaning 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 Sec Exterior Cleaning Ltd do?
Sec Exterior Cleaning Ltd is registered under General cleaning of buildings (SIC 81210).
How old is Sec Exterior Cleaning Ltd?
Sec Exterior Cleaning Ltd was incorporated on 22 May 2026, less than a year ago.
What is the penalty if Sec Exterior Cleaning 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 Sec Exterior Cleaning 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.