Who Owns
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Pharmaceuticals

GSK

Profile reviewed

GSK is a London-based medicines and vaccines group. Its listed parent is GSK plc, formerly named GlaxoSmithKline plc. [1]

01 / Behind the name

Who owns GSK?

Publicly listed · London Stock Exchange [1]

  1. 01
    Listed group parent

    GSK plc [1]

    As reported · 31 Dec 2025
  2. 02
    Owners of the listed parent

    Public shareholders [1]

    As reported · 31 Dec 2025

The consumer-healthcare business was demerged into Haleon in July 2022. This profile covers the GSK medicines and vaccines group; the demerged portfolio is outside its scope. [1]

02 / On the map

Where is it based?

Ultimate parent
GSK plc [1]
Group headquarters
London, United Kingdom [1]
Parent incorporated in
England and Wales [1]

Headquarters, incorporation and tax residence describe different things. A headquarters address does not tell you where all of a company’s tax is paid.

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Investors in GSK

Investor disclosures found

Selected investor disclosures have been found. Each names the held entity, basis and date; the complete investor register remains outside this review. A stake in a parent or operating company is shown against that entity. Dates refer to each disclosure and can differ from the profile review date. Evidence links are included with each record.

Equity ownership

Government Pension Fund Global

Held entity · GSK PLC

1.44%

Holdings snapshot ·

Norway's sovereign fund, managed by Norges Bank Investment Management. The percentage is equity ownership in the named listed issuer, rounded as published. Linked brands can be subsidiaries or portfolio businesses; this is not a direct brand stake or a complete shareholder list.

Evidence · 2 sources

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03 / The figures, with context

What does it report in UK tax?

The annual report isolates UK corporation tax paid to HMRC. Worldwide taxation paid is shown separately.

United Kingdom2025

UK corporation tax paid

£164mCash payment

GSK group · UK
Period ending 31 Dec 2025

Note 14 explicitly reports £164m of UK corporation tax paid to HMRC. The figure excludes other business taxes. [1]

Consolidated group2025

Worldwide taxation paid

£1.2bnCash payment

GSK plc · consolidated
Period ending 31 Dec 2025

Worldwide cash-flow outflow, including the UK payment. Do not add this to the UK figure. [1]

These figures have different scopes. They should not be added together or used as a like-for-like tax ranking.

Understand the measures

04 / Check our working

The public record.

Primary sources used in this profile. Company disclosures are attributed to the company; inclusion is not an independent audit.

  1. 01
    Annual Report 2025 (opens in a new tab)

    GSK · Taxation note 14, printed p.209 (PDF p.211); cash flow p.189 (PDF p.191); global headquarters; About GSK (PDF p.330)

    Accessed 27 Sept 2026
  2. 02
    GSK plc (03888792): company overview (opens in a new tab)

    Companies House · Legal name, company number, domestic company type and incorporation. UK registration does not establish headquarters or tax residence; a constituent jurisdiction is not inferred from a registered-office address.

    Accessed 30 Sept 2026