Catalyst

Best for: Espresso Dark roasts
Updated 7 June 2026 Website
Catalyst — coffee roaster

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What Catalyst Coffee Tastes Like

Catalyst balances bright citrus and floral notes with deeper caramel sweetness, occasionally punctuated by cherry, hazelnut, or dark chocolate depending on roast intensity.

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About Catalyst

Catalyst roasts across a wide flavour spectrum, but a thread of vivid, unapologetic sweetness runs through most of what they do — from ripe tropical fruit and floral brightness at one end to dark chocolate, stone fruit, and caramelised sugar at the other. Their lighter offerings lean into full, almost confected fruitiness, while the deeper roasts stay grounded rather than bitter. It's a range built for people who want expressive, flavour-forward coffee without sacrificing clarity.

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Catalyst — Frequently Asked Questions

What does Catalyst coffee taste like?
Catalyst coffees are known for Citrus, Floral, and Caramel notes. These characteristics appear consistently across their range of 8 roasts.
Does Catalyst offer decaf coffee?
Catalyst does not currently have any decaf roasts listed on Gourmet Coffee London.
What types of coffee does Catalyst offer?
Catalyst offers Omni and Espresso roasts. Browse their full range of 8 roasts on this page.