THE INSTALLATION ASSURANCE AUTHORITY GROUP
Active Company number 03044131
THE INSTALLATION ASSURANCE AUTHORITY GROUP (company number 03044131) is a private company limited by guarantee incorporated on 5 April 1995. Its status on the Companies House register is Active. Its registered office is in Leighton Buzzard, LU7 4ER. Its nature of business (SIC 2007) is other specialised construction activities n.e.c. (43999). Its latest accounts we hold, for the period ending 30 April 2025, report net liabilities of £8.1m.
Source: Companies House register, as at 29 September 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on THE INSTALLATION ASSURANCE AUTHORITY GROUP (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score, with the reasons behind the score
- Red flags and what changed in the last 12 months
- Key figures against the year before, and filing deadlines
- Financials ledger: up to 10 years of filed accounts
- Who runs and owns it: directors, secretaries and PSCs
- Charges, filing history and methodology
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Company details
- Company number
- 03044131
- Status
- Active
- Company type
- PRI/LBG/NSC (Private, Limited by guarantee, no share capital, use of 'Limited' exemption)
- Incorporated
- 5 April 1995
- Country of origin
- United Kingdom
- Registered office
- UNIT 3, UNION PARK, OUZEL INDUSTRIAL ESTATE
GROVEBURY ROAD
LEIGHTON BUZZARD
BEDFORDSHIRE
LU7 4ER
ENGLAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 30 April
- Accounts category
- SMALL
- Accounts last made up to
- 30 April 2025
- Next accounts due
- 31 January 2027
- Confirmation statement last made up to
- 4 April 2026
- Next confirmation statement due
- 18 April 2027
Financial summary
| Period ending | 30 April 2025 | 30 April 2024 | 30 April 2023 | 30 April 2022 | 30 April 2021 | 30 April 2020 | 30 April 2019 | 30 April 2018 |
|---|---|---|---|---|---|---|---|---|
| Turnover | — | — | — | — | £3.2m | — | — | — |
| Gross profit | — | — | — | — | £803k | — | — | — |
| Operating profit | — | — | — | — | £120k | — | — | — |
| Profit before tax | — | — | — | — | £189k | — | — | — |
| Profit after tax | £102k | £384k | — | — | £209k | — | — | — |
| Total assets | £7.9m | £9.0m | £9.3m | £10.3m | £11.3m | £11.4m | £13.0m | £13.4m |
| Cash at bank | £740k | £485k | £415k | £1.7m | £3.3m | £8.1m | £6.8m | £3.7m |
| Current liabilities | £700k | £659k | £409k | £585k | £397k | £196k | £802k | £356k |
| Net current assets | £1.0m | £1.0m | £1.6m | £1.9m | £3.5m | £8.3m | £6.4m | £3.5m |
| Total liabilities | £16.0m | — | — | — | — | — | £19.7m | £19.2m |
| Net liabilities | £8.1m | £8.2m | £8.6m | £8.2m | £7.5m | £7.7m | £6.7m | £5.8m |
| Employees | 13 | 9 | 8 | 29 | 32 | 27 | 28 | 27 |
—: no figure read from the filing.
Figures read from filings at Companies House (ixbrl) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (1 including ceased)
Previous names
- THE CAVITY INSULATION GUARANTEE AGENCY (changed 9 December 2025)
Questions about THE INSTALLATION ASSURANCE AUTHORITY GROUP
Is THE INSTALLATION ASSURANCE AUTHORITY GROUP active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was THE INSTALLATION ASSURANCE AUTHORITY GROUP incorporated?
THE INSTALLATION ASSURANCE AUTHORITY GROUP was incorporated on 5 April 1995, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is THE INSTALLATION ASSURANCE AUTHORITY GROUP registered?
Its registered office is in Leighton Buzzard, LU7 4ER. (Companies House register, as at 29 September 2026.)
Who controls THE INSTALLATION ASSURANCE AUTHORITY GROUP?
The register lists 1 current person with significant control (1 including those who have ceased). The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/03044131/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are THE INSTALLATION ASSURANCE AUTHORITY GROUP's next accounts due?
The register shows the next accounts as due by 31 January 2027. Its latest accounts on the register were made up to 30 April 2025. (Companies House register, as at 29 September 2026.)
Does THE INSTALLATION ASSURANCE AUTHORITY GROUP file dormant accounts?
Not in its latest accounts. The register gives their category as “Small company accounts”, made up to 30 April 2025. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Is THE INSTALLATION ASSURANCE AUTHORITY GROUP on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 7 October 2026. A name screen is not legal clearance.
Related companies
More other specialised construction activities n.e.c. companies
- OCU UTILITY SERVICES LIMITED
- OCU SERVICES LIMITED
- H.W. MARTIN (TRAFFIC MANAGEMENT) LIMITED
- RIDDINGTONS CIS & PAYROLL SOLUTIONS UK LTD
- KINGSPAN INSULATION LIMITED
- METKA - EGN LIMITED
- KELLOGG BROWN & ROOT (U.K.) LIMITED
- CITY ENERGY NETWORK LIMITED
Industry overview: 46,758 active companies in SIC 43999
Other active companies registered at LU7 4ER
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CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Use this data
Official register entry: THE INSTALLATION ASSURANCE AUTHORITY GROUP on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/03044131 — see the API documentation and pricing.