- Companies
- Installers
- London
- Key Consulting Ltd
Key Consulting Ltd
- Company number
- 15767857
- Incorporated
- 7 Jun 20242 years trading
- Registered office
- Summit House, 170 Finchley Road, London, NW3 6BP
- Nature of business
- Other construction installation
Key Consulting Ltd is a 2-year-old private limited company registered in London, company number 15767857, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Where Key Consulting Ltd is registered
The registered office is in London (NW3), in the Camden local authority area, London. Show NW3 6BP on a map.
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Also registered at this address
21 other companies use the same registered office as Key Consulting Ltd.
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What happens if Key Consulting 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 15767857
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 June 2024 (2 years ago)
- Registered office
- Summit House, 170 Finchley Road, London, NW3 6BP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 6 June 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.
- KG Decor Ltd2011
- KGW Rigging Ltd2026
- Khouses Construction Ltd2022
- Kiba Ltd2026
- Kidslux Ltd2025
- Kilnbridge Fire Protection Ltd2025
- Kingfield Services Ltd2025
- Kings of Paving Ltd2021
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Key Consulting Ltd's accounts due?
Key Consulting Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Key Consulting Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Key Consulting Ltd still trading?
Key Consulting 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 Key Consulting Ltd do?
Key Consulting Ltd is registered under Other construction installation (SIC 43290).
How old is Key Consulting Ltd?
Key Consulting Ltd was incorporated on 7 June 2024, 2 years ago.
What is the penalty if Key Consulting 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 Key Consulting 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.