- Companies
- Installers
- London
- Guildmore Midlands & North Limited
Guildmore Midlands & North Limited
- Company number
- 16358428
- Incorporated
- 1 Apr 20251 year trading
- Registered office
- 11 Coldbath Square, London, EC1R 5HL
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
Guildmore Midlands & North Limited is a 1-year-old private limited company registered in London, company number 16358428, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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.
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Where Guildmore Midlands & North Limited is registered
The registered office is in London (EC1R), in the Islington local authority area, London. Show EC1R 5HL on a map.
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Also registered at this address
5 other companies use the same registered office as Guildmore Midlands & North Limited.
- Baytree Builds LimitedBuilders
- Eigra Group LtdCivil engineering
- Guildmore Planned Works LimitedFinishing trades
- Guildmore Roofing LimitedRoofers
- Rabaterra LtdProperty developers
What happens if Guildmore Midlands & North 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16358428
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2025 (1 year ago)
- Registered office
- 11 Coldbath Square, London, EC1R 5HL
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 31 March 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 London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Gul Installing Ltd2023
- Guvi Bros Ltd2023
- Guy Clark Ltd2024
- GW Harris Ltd2017
- GZS Construction Ltd2026
- H & K Building Ltd2014
- H &M Building Ltd2024
- H Quality Construction Limited2016
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Guildmore Midlands & North Limited's accounts due?
Guildmore Midlands & North Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Guildmore Midlands & North Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Guildmore Midlands & North Limited still trading?
Guildmore Midlands & North 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 Guildmore Midlands & North Limited do?
Guildmore Midlands & North Limited is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is Guildmore Midlands & North Limited?
Guildmore Midlands & North Limited was incorporated on 1 April 2025, 1 year ago.
What is the penalty if Guildmore Midlands & North 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 Guildmore Midlands & North 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.