What was GlaxoSmithKline plc's revenue in 2023?

GlaxoSmithKline plc reported $39.5B in revenue for fiscal year 2023.

Was 2023 GlaxoSmithKline plc's best revenue year?

No. GlaxoSmithKline plc's highest recorded revenue year was 2025 at $41.5B. In 2023, GlaxoSmithKline plc reported $39.5B.

What was GlaxoSmithKline plc's highest ever annual revenue?

GlaxoSmithKline plc's highest ever annual revenue was $41.5B recorded in fiscal year 2025.

GlaxoSmithKline plc Revenue in 2023: $39.5B | CorpDigest

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GlaxoSmithKline plc

Pharmaceuticals & BiotechnologyFounded 1715- Updated June 2026

Reviewed by Swet Parvadiya

Last reviewed: June 2026

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.

CorpDigest

Year	Revenue	Net Income	YoY Change
FY2025	$41.5B	—	+3.5%
FY2024	$40.1B	$6.6B	+1.5%
FY2023	$39.5B	—	—

Year	Revenue	Net Income	YoY Change
FY2025	$41.5B	—	+3.5%
FY2024	$40.1B	$6.6B	+1.5%
FY2023	$39.5B	—	—

GlaxoSmithKline plc Revenue in 2023

Revenue by Year

GlaxoSmithKline plc Annual Revenue History

GlaxoSmithKline plc Revenue in 2023

Revenue by Year

GlaxoSmithKline plc Annual Revenue History