TUNGSTEN BIDCO LIMITED
ActiveCompany number 11852085
Maidenhead, England · Incorporated 28 February 2019
Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, SL6 3UD, England
Last updated on 17 September 2026
Activities of other holding companies n.e.c. · SIC 64209
Company overview
Tungsten Bidco Limited is an active private limited company incorporated on 28 February 2019 and registered in England and Wales. Its registered office is at Building 5, Foundation Park, Roxborough Way, Maidenhead, Berkshire, SL6 3UD. The company’s principal activity is that of a holding company (SIC 64209).
It is wholly owned by Biogen Inc., a Delaware public listed company, which holds 75-100% of the shares and voting rights and the right to appoint and remove directors.
The company has filed full accounts up to 31 December 2023 and small accounts for the year ended 31 December 2024. It is not subject to any charges and has no insolvency history or liquidation proceedings.
Current officers are Helen Elizabeth Hanby (director and secretary) and Amit Singh Purwaha (director, appointed July 2025). The company has experienced several changes in directors over time, with the most recent resignation being Geronimo Martinez in July 2025. Confirmation statements have been filed on time, with the latest made up to 27 February 2026.
Compliance
Financial snapshot
Detailed figures (assets, liabilities, net worth) are available in the full credit report.
Officers
No officers on record.
Persons with significant control
Funding
1 funding roundFiling history
No filings match this type.
Risk at a glance
- Company active
- Accounts up to date
- Confirmation statement up to date
- No insolvency history
- No registered charges
- Credit score
- Recommended limit
- Payment risk
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