- Companies
- Machinery repair and installation
- Haverhill
- Guardtech Cleanrooms Ltd
Guardtech Cleanrooms Ltd
- Company number
- 02547055
- Incorporated
- 9 Oct 199036 years trading
- Registered office
- Unit 1A, Homefield Road, Haverhill, CB9 8QP
- Nature of business
- Installation of industrial machinery and equipment
Guardtech Cleanrooms Ltd is a 36-year-old private limited company registered in Haverhill, company number 02547055, one of 11 machinery repair and installation companies in Haverhill. 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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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 £282K (+22.5%) on the year before, to £1.5M.
- Net assets rose in 7 of 7 year-on-year comparisons on record.
- Current assets of £2.7M against £2M owed within a year: 1.3 times cover.
- 1 employee on average, down from 29 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1.5M | £104K | £2.7M | £2M | 1 |
| 30 Jun 2024 | £1.2M | £112K | £1.8M | £1.5M | 29 |
| 30 Jun 2023 | £1M | £421K | £2.2M | £2M | 24 |
| 30 Apr 2022 | £675K | £319K | £1.5M | £1.1M | 22 |
| 30 Apr 2021 | £510K | £386K | £740K | £291K | 16 |
| 30 Apr 2020 | £347K | £442K | £745K | £412K | 10 |
| 30 Apr 2019 | £301K | £568K | £949K | £663K | |
| 30 Apr 2018 | £301K | £480K | £687K | £380K | |
| 30 Apr 2017 | £335K | £264K | |||
| 30 Apr 2016 | £128K | £152K | £279K | £158K |
Public contracts won
Guardtech Cleanrooms Ltd has 4 public sector contract awards on record; the ones with their own published value total £1.2M, from 2025 to 2026. Source: Contracts Finder and Find a Tender award notices. 3 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Cambridge University Hospitals NHS Foundation Trust2 awards
- UK Research & Innovation (UKRI)1 award
- University of Glasgow1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| UK Research & Innovation (UKRI) | UKRI-6113 METIS Temporary Cleanroom | £230K | 23 Jul 2026 |
| Cambridge University Hospitals NHS Foundation Trust | Ongoing cleaning contract | £54K | 16 Apr 2026 |
| University of Glasgow | PURCH2867 – PPE1004077 Direct Award for the Provision of Guardtech Cleanrooms | £905K | 23 Mar 2026 |
| Cambridge University Hospitals NHS Foundation Trust | Monthly clean | £49K | 6 Oct 2025 |
Where Guardtech Cleanrooms Ltd is registered
The registered office is in Haverhill (CB9), in the West Suffolk local authority area, East of England. Show CB9 8QP on a map.
Other trade companies in CB9
- Validate Pest Control LtdCleaning companies
- Priority Response Group LtdPlumbers and heating engineers
- Almoto LtdMechanics and garages
- Isimmons Electrical LtdElectricians
- Risbygate Estates LimitedBuilders
- Marshalls Plumbing and Heating LtdPlumbers and heating engineers
- Elite House Renovation & Cleaning LtdBuilders
- Berkshire Auto Group LimitedMotor traders
What happens if Guardtech Cleanrooms 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
- 02547055
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 1990 (36 years ago)
- Registered office
- Unit 1A, Homefield Road, Haverhill, CB9 8QP
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 28 November 2025
- Charges (mortgages)
- 0 outstanding of 1 registered
- Previous names
- Alliance Technologies Limited (until 11 Oct 2013)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Haverhill
Other active machinery repair and installation companies registered in Haverhill.
- JSK Proservices Ltd2024
- Kamotech Ltd2016
- Oil Pump Intelligence Limited2016
- Practical Mobility Limited2004
- Rapidaire Limited1985
- Sureservice Limited2012
- Taylors Foundry Motor Sport Limited1996
- A.F.L. Trucks Limited1988
All machinery repair and installation companies in Haverhill · All trades in Haverhill · Machinery repair and installation across the UK
Frequently asked questions
When are Guardtech Cleanrooms Ltd's accounts due?
Guardtech Cleanrooms Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Guardtech Cleanrooms 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 Guardtech Cleanrooms Ltd still trading?
Guardtech Cleanrooms 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 Guardtech Cleanrooms Ltd do?
Guardtech Cleanrooms Ltd is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Guardtech Cleanrooms Ltd?
Guardtech Cleanrooms Ltd was incorporated on 9 October 1990, 36 years ago.
Has Guardtech Cleanrooms Ltd won public sector contracts?
Yes. Guardtech Cleanrooms Ltd has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.2M), most recently from UK Research & Innovation (UKRI).
What is the penalty if Guardtech Cleanrooms 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 Guardtech Cleanrooms 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.