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- Coim Limited
Company profile · Installers
Coim Limited
Coim Limited is a newly incorporated private limited company registered in Harrow, company number 16973471, one of 130 installation companies (insulation, lifts, shutters and similar) in Harrow. Its next accounts are due at Companies House on 19 October 2027, and its first CT600 is due at HMRC on 18 January 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 Coim Limited is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 9PE on a map.
Other trade companies in HA2
- KJP Engineering LtdElectricians
- JNJ Engineering LimitedCivil engineering
- Notting Hill Sew LtdRepair services
- Grandwellautos LtdMotor traders
- Multisteel Powdercoating LtdPainters and decorators
- Neon Systems LtdElectricians
- Firstclass Facilities LtdCleaning companies
- PMD Construct LtdBuilders
What happens if Coim 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 19 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Oct 2027 to 19 Nov 2027 | £150 |
| 1 to 3 months late | 20 Nov 2027 to 19 Jan 2028 | £375 |
| 3 to 6 months late | 20 Jan 2028 to 19 Apr 2028 | £750 |
| More than 6 months late | From 20 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16973471
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2026
- Registered office
- 1 Ovesdon Avenue, Harrow, HA2 9PE
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 26 January 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Harrow
Other active installation companies (insulation, lifts, shutters and similar) registered in Harrow.
- Construction DM Ltd2024
- Coorvai Ltd2013
- D Premium Building Services Limited2024
- D&D Management London Ltd2022
- D&S Stone Fit-Out Ltd2026
- Dainjana Ltd2025
- Dakic Development Ltd2011
- Dav Limited2025
All installation companies (insulation, lifts, shutters and similar) in Harrow · All trades in Harrow · Installers across the UK
Frequently asked questions
When are Coim Limited's accounts due?
Coim Limited's next accounts are due at Companies House by 19 October 2027 (in 372 days), covering the period to 31 January 2027.
When is Coim Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 January 2027, due by 18 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Coim Limited still trading?
Coim 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 Coim Limited do?
Coim Limited is registered under Other construction installation (SIC 43290).
How old is Coim Limited?
Coim Limited was incorporated on 19 January 2026, less than a year ago.
What is the penalty if Coim 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 Coim 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.