Highest gross-margin companies (UK)
Companies with the highest trailing gross margin. Delayed fundamentals from market data, shown with their as-of date.
Ranked by gross margin, AstraZeneca (AZN.L) leads the covered catalog at +81.9%.
| # | Company | Sector | Gross margin | Operating margin | Market cap |
|---|---|---|---|---|---|
| 1 | AstraZeneca (AZN.L) | — | +81.9% | n/a | £251.0B |
| 2 | British Land (BLND.L) | — | +71.9% | n/a | £5.9B |
| 3 | Alfa Financial Software (ALFA.L) | — | +63.7% | n/a | n/a |
| 4 | Hollywood Bowl Group (BOWL.L) | — | +62.6% | n/a | £632M |
| 5 | Bloomsbury Publishing (BMY.L) | — | +58.8% | n/a | n/a |
| 6 | Avon Technologies (AVON.L) | — | +41.0% | n/a | n/a |
| 7 | A.G. Barr (BAG.L) | — | +40.5% | n/a | n/a |
| 8 | Atalaya Mining (ATYM.L) | — | +32.0% | n/a | n/a |
| 9 | Berkeley Group Holdings (BKG.L) | — | +25.1% | n/a | £4.4B |
| 10 | Balfour Beatty (BBY.L) | — | +4.9% | n/a | £5.5B |
Find more highest gross-margin companies like these →
Data: London Stock Exchange market data (delayed daily-close). Every figure is shown with its as-of date on the company page; a company with no data for this metric is excluded from the ranking, never estimated.
Last updated 2026-08-16 — rankings shift as the underlying data refreshes.
Informational only — NOT financial advice. All figures are delayed daily-close data from London Stock Exchange market data, shown with their as-of date.