- Companies
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- Leamington Spa
- Keystone Reactive Maintenance Limited
Keystone Reactive Maintenance Limited
- Company number
- 16831346
- Incorporated
- 4 Nov 2025
- Registered office
- Fulford House, Newbold Terrace, Leamington Spa, Warwickshire, CV32 4EA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Management consultancy activities other than financial management
Keystone Reactive Maintenance Limited is a newly incorporated private limited company registered in Leamington Spa, company number 16831346, one of 71 building contractors in Leamington Spa. Its next accounts are due at Companies House on 4 August 2027, and its first CT600 is due at HMRC on 3 November 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 Keystone Reactive Maintenance Limited is registered
The registered office is in Leamington Spa (CV32), in the Warwick local authority area, West Midlands. Show CV32 4EA on a map.
Other trade companies in CV32
- D.W. Property Enterprises LtdSpecialist contractors
- Goddards Automotive LtdMotor traders
- Urban Fabric Developments LimitedProperty developers
- S&M Roofing and Building LtdRoofers
- Black Lab Builds LimitedBuilders
- Fresh Home Decoration LtdFinishing trades
- William Enterprises LimitedFacilities management
- Tiger Vision Homes LimitedProperty developers
Shared registered office
163 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Keystone Reactive Maintenance 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 4 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Aug 2027 to 4 Sep 2027 | £150 |
| 1 to 3 months late | 5 Sep 2027 to 4 Nov 2027 | £375 |
| 3 to 6 months late | 5 Nov 2027 to 4 Feb 2028 | £750 |
| More than 6 months late | From 5 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16831346
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 November 2025
- Registered office
- Fulford House, Newbold Terrace, Leamington Spa, Warwickshire, CV32 4EA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Leamington Spa
Other active building contractors registered in Leamington Spa.
- L3B Immobilier Ltd2015
- LC Ground and Property Services Ltd2026
- Leap Factory UK Ltd2020
- Loveday Building Solutions Limited2016
- Mandas Builders Ltd2026
- Masterbuild Brickwork Contractors Limited2006
- McNeil Maintenance Ltd2022
- MLD Builders Ltd2026
All building contractors in Leamington Spa · All trades in Leamington Spa · Builders across the UK
Frequently asked questions
When are Keystone Reactive Maintenance Limited's accounts due?
Keystone Reactive Maintenance Limited's next accounts are due at Companies House by 4 August 2027 (in 295 days), covering the period to 30 November 2026.
When is Keystone Reactive Maintenance 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 3 November 2026, due by 3 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Keystone Reactive Maintenance Limited still trading?
Keystone Reactive Maintenance 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 Keystone Reactive Maintenance Limited do?
Keystone Reactive Maintenance Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Management consultancy activities other than financial management (SIC 70229).
How old is Keystone Reactive Maintenance Limited?
Keystone Reactive Maintenance Limited was incorporated on 4 November 2025, less than a year ago.
What is the penalty if Keystone Reactive Maintenance 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 Keystone Reactive Maintenance 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.