CST INSTRUMENTS LIMITED
Active Company number 08033783
CST INSTRUMENTS LIMITED (company number 08033783) is a private limited company incorporated on 17 April 2012. Its status on the Companies House register is Active. Its registered office is in Letchworth Garden City, SG6 3EA. Its nature of business (SIC 2007) is other research and experimental development on natural sciences and engineering (72190). Its latest accounts we hold, for the period ending 30 April 2025, report net liabilities of £993.
Source: Companies House register, as at 1 April 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 CST INSTRUMENTS LIMITED (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
- 08033783
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 17 April 2012
- Country of origin
- United Kingdom
- Registered office
- 5 LEYS AVENUE
LETCHWORTH GARDEN CITY
HERTFORDSHIRE
SG6 3EA
ENGLAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 30 April
- Accounts category
- MICRO ENTITY
- Accounts last made up to
- 30 April 2025
- Next accounts due
- 31 January 2027
- Confirmation statement last made up to
- 11 February 2026
- Next confirmation statement due
- 25 February 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 2016 | 30 April 2015 | 30 April 2014 | 30 April 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Total assets | £3,565 | £4,972 | £4,972 | £0 | £3,379 | £3,556 | — | — | — | — |
| Cash at bank | Not filed | — | — | — | £3,379 | £0 | — | — | — | — |
| Current liabilities | £4,558 | £4,558 | £4,558 | £4,558 | £7,937 | £8,449 | — | — | — | — |
| Net current liabilities | £993 | £414 | £414 | £4,558 | £4,558 | £4,893 | — | — | — | — |
| Total liabilities | £4,558 | £4,558 | £4,558 | £4,558 | £7,937 | £8,449 | — | — | — | — |
| Net assets / (liabilities) | (£993) | £414 | £414 | (£4,558) | (£4,558) | (£4,893) | £0 | £0 | £0 | £0 |
| Employees | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — |
Not filed: the accounts do not give the figure. —: no figure read from the filing.
- Year to 30 April 2025: cash not filed. Micro-entity accounts give current assets as one total, without debtors, stock or cash.
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)
- Corporate controllers
- Cst Corporation Limited
Previous names
- CONCRETE SMART TEST LIMITED (changed 10 March 2021)
- CST INSTRUMENTS LIMITED (changed 25 May 2017)
- CONCRETE SMART TEST LIMITED (changed 12 April 2017)
Questions about CST INSTRUMENTS LIMITED
Is CST INSTRUMENTS LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 1 April 2026.)
When was CST INSTRUMENTS LIMITED incorporated?
CST INSTRUMENTS LIMITED was incorporated on 17 April 2012, according to the Companies House register. (Companies House register, as at 1 April 2026.)
Where is CST INSTRUMENTS LIMITED registered?
Its registered office is in Letchworth Garden City, SG6 3EA. (Companies House register, as at 1 April 2026.)
Who controls CST INSTRUMENTS LIMITED?
The register lists 1 current person with significant control (1 including those who have ceased). Corporate controllers named on the register: Cst Corporation Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/08033783/persons-with-significant-control. (Companies House register, as at 1 April 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are CST INSTRUMENTS LIMITED'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 1 April 2026.)
Does CST INSTRUMENTS LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Micro-entity accounts”, made up to 30 April 2025. (Companies House register, as at 1 April 2026.) What a dormant company is and what it must file
Is CST INSTRUMENTS LIMITED 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 6 October 2026. A name screen is not legal clearance.
Related companies
More other research and experimental development on natural sciences and engineering companies
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- CHARLES RIVER LABORATORIES EDINBURGH LIMITED
- TTP PLC
- THATCHAM RESEARCH
- DRUMGRANGE LIMITED
- HAMMERSMITH MEDICINES RESEARCH LIMITED
- CAMPDEN BRI (CHIPPING CAMPDEN) LIMITED
- EMPOWER TRIBE INNOVATIONS UK LTD.
Industry overview: 5,640 active companies in SIC 72190
Other active companies registered at SG6 3EA
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About CompanyStack
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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Official register entry: CST INSTRUMENTS LIMITED on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/08033783 — see the API documentation and pricing.