- Companies
- Installers
- Manchester
- Keystone Contracts UK Ltd
Keystone Contracts UK Ltd
- Company number
- 10203463
- Incorporated
- 27 May 201610 years trading
- Registered office
- 24 Beechdale Close, Manchester, M40 0AR
- Nature of business
- Other construction installation
Keystone Contracts UK Ltd is a 10-year-old private limited company registered in Manchester, company number 10203463, one of 305 installation companies (insulation, lifts, shutters and similar) in Manchester. 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
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £109 (+0.6%) on the year before, to £17K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £82K against £57K owed within a year: 1.5 times cover.
- 4 employees on average, up from 2 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £17K | £82K | £57K | 4 | |
| 31 Mar 2024 | £17K | £52K | £22K | 2 | |
| 31 May 2023 | £19K | £56K | £19K | 2 | |
| 31 May 2022 | £2,430 | £49K | £22K | 4 | |
| 31 May 2021 | £498 | £42K | £13K | 2 | |
| 31 May 2020 | £105 | £39K | £43K | 2 | |
| 31 May 2019 | £8,907 | £0 | £49K | £50K | 2 |
| 31 May 2018 | £13K | £5 | £36K | £39K | 2 |
| 31 May 2017 | £12K | -£6,876 | £38K | £33K |
Public contracts won
Keystone Contracts UK Ltd has one public sector contract award on record (2025). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Bolton at Home Limited | Adaptations Framework | Ceiling, not shown | 27 Nov 2025 |
Where Keystone Contracts UK Ltd is registered
The registered office is in Manchester (M40), in the Manchester local authority area, North West. Show M40 0AR on a map.
Other trade companies in M40
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- LMRS Construction LtdBuilders
- Rightfitflooring LtdFloor and wall tilers
- Draxton LimitedBuilders
- Hygrade Motor Spares LtdMotor traders
- Motaseeds International LtdBuilders
- R2 Industries LtdMotor traders
- Aurelius Construction LimitedProperty developers
What happens if Keystone Contracts UK 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 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
- 10203463
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2016 (10 years ago)
- Registered office
- 24 Beechdale Close, Manchester, M40 0AR
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 May 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 Manchester
Other active installation companies (insulation, lifts, shutters and similar) registered in Manchester.
- Kitchens Near Me Ltd2026
- KJ Gas Ltd2025
- Koosii Ltd2025
- KPPL Services Limited2024
- Kris Builders & Construction Ltd2018
- Lacey Interiors Ltd2024
- Lasor Green Energy Installations Ltd2022
- Lerocom Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Manchester · All trades in Manchester · Installers across the UK
Frequently asked questions
When are Keystone Contracts UK Ltd's accounts due?
Keystone Contracts UK Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Keystone Contracts UK Ltd'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 Keystone Contracts UK Ltd still trading?
Keystone Contracts UK 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 Keystone Contracts UK Ltd do?
Keystone Contracts UK Ltd is registered under Other construction installation (SIC 43290).
How old is Keystone Contracts UK Ltd?
Keystone Contracts UK Ltd was incorporated on 27 May 2016, 10 years ago.
Has Keystone Contracts UK Ltd won public sector contracts?
Yes. Keystone Contracts UK Ltd has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from Bolton at Home Limited.
What is the penalty if Keystone Contracts UK 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 Keystone Contracts UK 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.