HARWIN PLC
Active Company number 00509831
HARWIN PLC (company number 00509831) is a public limited company incorporated on 17 July 1952. Its status on the Companies House register is Active. Its registered office is in Portsmouth, PO6 1RT. Its nature of business (SIC 2007) is manufacture of electronic components (26110). Its latest accounts we hold, for the period ending 31 March 2025, report turnover of £59.2m and net assets of £56.5m.
Source: Companies House register, as at 2 October 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 HARWIN PLC (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
- 00509831
- Status
- Active
- Company type
- Public Limited Company
- Incorporated
- 17 July 1952
- Country of origin
- United Kingdom
- Registered office
- FITZHERBERT ROAD
FARLINGTON
PORTSMOUTH
PO6 1RT
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 31 March
- Accounts category
- GROUP
- Accounts last made up to
- 31 March 2026
- Next accounts due
- 30 September 2027
- Confirmation statement last made up to
- 6 July 2026
- Next confirmation statement due
- 20 July 2027
Financial summary
| Period ending | 31 March 2025 | 31 March 2024 |
|---|---|---|
| Turnover | £59.2m | £60.7m |
| Gross profit | £27.4m | £30.4m |
| Operating profit | £9.9m | £14.2m |
| Profit before tax | £10.2m | £14.4m |
| Profit after tax | £8.3m | £10.5m |
| Total assets | £72.2m | £63.2m |
| Cash at bank | £13.4m | £15.1m |
| Current liabilities | £8.2m | £8.5m |
| Net current assets | £35.2m | £33.3m |
| Net assets | £56.5m | £47.8m |
Figures read from filings at Companies House (group) 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 (2 including ceased)
- Charges (mortgages)
- 7 registered, 0 outstanding, 7 satisfied
Questions about HARWIN PLC
Is HARWIN PLC active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 2 October 2026.)
When was HARWIN PLC incorporated?
HARWIN PLC was incorporated on 17 July 1952, according to the Companies House register. (Companies House register, as at 2 October 2026.)
Where is HARWIN PLC registered?
Its registered office is in Portsmouth, PO6 1RT. (Companies House register, as at 2 October 2026.)
Who controls HARWIN PLC?
The register lists 1 current person with significant control (2 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/00509831/persons-with-significant-control. (Companies House register, as at 2 October 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are HARWIN PLC'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 March 2026. (Companies House register, as at 2 October 2026.)
Does HARWIN PLC file dormant accounts?
Not in its latest accounts. The register gives their category as “Group accounts”, made up to 31 March 2026. (Companies House register, as at 2 October 2026.) What a dormant company is and what it must file
Does HARWIN PLC have any charges registered against it?
Yes. The register shows 7 charges: 0 outstanding and 7 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/00509831/charges. (Companies House register, as at 2 October 2026.) Company charges: what a mortgage or debenture means and how to read one
Is HARWIN PLC 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 5 October 2026. A name screen is not legal clearance.
Related companies
More manufacture of electronic components companies
- SIEMENS PLC
- PROTEC FIRE DETECTION PUBLIC LIMITED COMPANY
- HUBER + SUHNER (UK) LIMITED
- CCL COMPONENTS LTD.
- MICROSS COMPONENTS LIMITED
- INNO TOUCH UK LIMITED
- ALBRIGHT INTERNATIONAL LIMITED
- GRAPHIC PLC
Industry overview: 1,542 active companies in SIC 26110
Other active companies registered at PO6 1RT
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “HARWIN”. Each is a separate legal entity from HARWIN PLC: check the registered number before relying on a name. Register data as at 2 October 2026.
- HARWIN (UK) LIMITED (Company, Active, Southall; 06311410)
- HARWIN CLOSE MANAGEMENT LIMITED (Company, Active, Halifax; 07450315)
- HARWIN HOUSE MANAGEMENT COMPANY LIMITED (Company, Active, Eye Suffolk; 01345096)
- HARWIN INVESTMENTS LIMITED (Company, Active, West Bergholt; 10677419)
- HARWIN MANES LIMITED (Company, Active, Shrewsbury; 15704303)
- HARWIN MARKETING LIMITED (Company, Active, Tring; 03529756)
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: HARWIN PLC on Companies House.
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