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GSK vs Merck

On overall TruNorth grade, Merck scores higher (GSK: B, Merck: B). Both graded from public records across nine values categories.

B
GSK
52.3/100
B
Merck
58.8/100

Political donations

GSK

FEC: $59K PAC donations; 70% to Republican, 30% to Democratic committees.

Merck

FEC: $7K PAC donations; 100% to Republican, 0% to Democratic committees.

Environment

GSK

CDP A-List (2024) — top tier for climate disclosure and emissions-reduction action. Climate-commitment coalition member: LEAF Coalition (since 2022) and RE100 (since 2017; target 2025). 100% renewable electricity for direct operations by 2025.

Merck

CDP Climate Change: A- (2024) — leadership-band environmental disclosure with validated targets.

Labor

GSK

52 federal penalties totaling $11.8B since 2000 (Violation Tracker).

Merck

90 federal penalties totaling $10.7B since 2000 (Violation Tracker).

DEI

GSK

HRC Corporate Equality Index 100/100 (2025) — top-tier LGBTQ+ workplace equality rating.

Merck

HRC Corporate Equality Index: 100/100 — Equality 100 Leader (2025). Top-rated LGBTQ+ workplace policies, benefits, and culture. JUST Capital JUST 100 — ranked #76 of Russell 1000 (2025) for treatment of workers, customers, communities, environment. Bloomberg Gender-Equality Index member (2024) — transparent on female leadership, equal pay, inclusive culture. HRC Corporate Equality Index 100/100 (2025) — top-tier LGBTQ+ workplace equality rating.

Charity

GSK

No public record found.

Merck

$2.70B reported corporate giving in 2024 (~4.19% of revenue) via Merck Foundation. JUST Capital JUST 100 — ranked #76 of Russell 1000 (2025) for treatment of workers, customers, communities, environment. Newsweek Most Trustworthy Companies in America — ranked #64 (2024). Operates the Merck Company Foundation: $24.3M in charitable contributions, gifts & grants paid (FY2023, IRS Form 990-PF).

Animal testing

GSK

No public record found.

Merck

No public record found.

Firearms

GSK

No public record found.

Merck

No public record found.

Privacy

GSK

No public record found.

Merck

No public record found.

Executive pay

GSK

No public record found.

Merck

CEO-to-median-worker pay ratio 191:1 (median employee pay $108,614) — SEC proxy statement (DEF 14A, 2026).

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