Roasteries / Catalyst
Catalyst
London, England, UK
Catalyst is a Scandi-style café and roastery in Holborn, London, opened by Alexander Gkikas in 2016. Coffee is roasted on-site in the basement on a Diedrich roaster, with a rotating lineup of expressively named single-origin lots and blends. Source: catalyst.coffee
6
coffees
UK
base
Location
Coffees
6 coffees
A blend of natural Brazilian and washed Colombian beans delivering chocolate-covered hazelnut flavours alongside bright citrus notes and lingering sweetness. Recommended for espresso. Source: catalyst.coffee
Milk Chocolate · Maple Syrup · Sugarcane
A lactic-fermented Rwanda Red Bourbon paired with a natural Catimor from Yunnan, opening with vivid red fruit and florals and finishing with refined sweetness. Suited to filter and espresso. Source: catalyst.coffee
Red Currant · Shortbread · Pineapple Puree
A full-flavoured decaf blending Colombia's Popayan Reserve with a multi-varietal Guatemalan lot, sugarcane-decaffeinated to preserve complexity. Suited to espresso and filter. Source: catalyst.coffee
Caramel Fudge · Praline · Quince · Creme Brulee
A pairing of an experimental mosto-fermentation decaf with a precisely processed washed Castillo, delivering layered fruit-forward notes with honey sweetness. Source: catalyst.coffee
Strawberry Milkshake · White Peach · Acacia Honey
Uganda's Bukonzo Dream lends intensity and depth to Colombian Typica Virtuoso from Nogales Farm, balancing power with floral complexity. Source: catalyst.coffee
Chocolate Dates · Agua Panela · Black Plums
Two processing philosophies from Nogales Farm in one blend — a controlled washed Geisha for clarity and florals, and an extended-fermentation Pink Bourbon for raspberry and creamy chocolate depth. Filter-optimised. Source: catalyst.coffee
White Lilies · Doughnut Peach · Raspberry Tea