BIOSYNTH LABORATORIES LIMITED
Active Company number 03888024
BIOSYNTH LABORATORIES LIMITED (company number 03888024) is a private limited company incorporated on 3 December 1999. Its status on the Companies House register is Active. Its registered office is in Newbury, RG20 6NE. Its nature of business (SIC 2007) is manufacture of other chemical products n.e.c. (20590). Its latest accounts we hold, for the period ending 31 January 2023, report net assets of £1.3m.
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 BIOSYNTH LABORATORIES 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
- 03888024
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 3 December 1999
- Country of origin
- United Kingdom
- Registered office
- 8&9 OLD STATION BUSINESS PARK
COMPTON
NEWBURY
RG20 6NE
ENGLAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 31 December
- Accounts category
- AUDIT EXEMPTION SUBSIDIARY
- Accounts last made up to
- 31 December 2025
- Next accounts due
- 30 September 2027
- Confirmation statement last made up to
- 21 November 2025
- Next confirmation statement due
- 5 December 2026
Financial summary
| Period ending | 31 January 2023 | 31 January 2022 | 31 January 2021 | 31 January 2020 | 31 January 2019 | 31 January 2018 | 31 January 2017 | 31 January 2016 |
|---|---|---|---|---|---|---|---|---|
| Profit after tax | £321k | £346k | £338k | £410k | £179k | £135k | £259k | £126k |
| Total assets | £2.2m | £2.2m | £2.1m | £1.5m | £1.5m | £1.5m | — | — |
| Cash at bank | £600k | £485k | £773k | £275k | £40k | £27k | £61k | £46k |
| Current liabilities | £331k | £295k | £323k | £249k | £444k | £298k | £271k | £346k |
| Net current assets | £968k | £890k | £813k | £410k | £97k | £228k | — | — |
| Total liabilities | — | — | — | £732k | £984k | £888k | — | — |
| Net assets | £1.3m | £1.2m | £983k | £767k | £503k | £638k | £698k | £572k |
| Employees | 15 | 13 | 14 | — | — | — | — | — |
—: 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 (5 including ceased)
- Corporate controllers
- Biosynth Holdings Limited
- Charges (mortgages)
- 2 registered, 0 outstanding, 2 satisfied
Previous names
- CAMBRIDGE RESEARCH BIOCHEMICALS LIMITED (changed 9 June 2023)
Questions about BIOSYNTH LABORATORIES LIMITED
Is BIOSYNTH LABORATORIES LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was BIOSYNTH LABORATORIES LIMITED incorporated?
BIOSYNTH LABORATORIES LIMITED was incorporated on 3 December 1999, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is BIOSYNTH LABORATORIES LIMITED registered?
Its registered office is in Newbury, RG20 6NE. (Companies House register, as at 29 September 2026.)
Who controls BIOSYNTH LABORATORIES LIMITED?
The register lists 1 current person with significant control (5 including those who have ceased). Corporate controllers named on the register: Biosynth Holdings Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/03888024/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 BIOSYNTH LABORATORIES LIMITED's next accounts due?
The register shows the next accounts as due by 30 September 2027. Its latest accounts on the register were made up to 31 December 2025. (Companies House register, as at 29 September 2026.)
Does BIOSYNTH LABORATORIES LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Audit-exempt subsidiary accounts”, made up to 31 December 2025. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Does BIOSYNTH LABORATORIES LIMITED have any charges registered against it?
Yes. The register shows 2 charges: 0 outstanding and 2 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/03888024/charges. (Companies House register, as at 29 September 2026.) Company charges: what a mortgage or debenture means and how to read one
Is BIOSYNTH LABORATORIES 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 8 October 2026. A name screen is not legal clearance.
Related companies
More manufacture of other chemical products n.e.c. companies
- JOHNSON MATTHEY PLC
- RANDOX HOLDINGS LIMITED
- JAMES BRIGGS LIMITED
- PUROLITE (INT.) LTD
- ASHLAND SPECIALTIES UK LIMITED
- BITREZ LIMITED
- JEMMTEC LIMITED
- CHEMFIX PRODUCTS LIMITED
Industry overview: 1,086 active companies in SIC 20590
Other active companies registered at RG20 6NE
Related guides
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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Use this data
Official register entry: BIOSYNTH LABORATORIES LIMITED on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/03888024 — see the API documentation and pricing.