Small-batch, roasted in Singapore

Expressive light roasts, selected for clean structure, fruit-like sweetness, and better cups at home.

How we're different

Our Beans

Expressive single origins.

Ethiopia, Guji
Ana Sora Estate

Heirloom
Enzymatic washed

1900-2350 MASL

Tasting Notes
Lemon • Peach • Jasmine oolongComplex • Clean • AromaticModerate-high acidity • Tea-like body

About this coffee

A high-altitude Heirloom from Ana Sora Estate in Guji, enzymatic washed for a complex, clean, aromatic cup. Lemon and peach lift into jasmine oolong over a tea-like body with moderate-high acidity.


Brew Guide|V60 Filter
15g coffee: 240ml water - 92-94°CBloom: 0s (45ml)Second bloom: 30s (45ml)Final pour: 1 min (150ml)Total brew time: 2:00-2:30
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Colombia, Huila
Quebraditas Farm

Variedad Colombia
Washed Double Anaerobic Thermal Shock

1600-1850 MASL

Tasting Notes
Peach Tea • Rose • LycheeJuicy • Vibrant • Clean floral finishBalanced acidity • Medium body

About this coffee

Quebraditas Farm is known for expressive coffees with unique processing methods, while keeping the cup clean and delicate. This coffee highlights a punchy peach tea flavour, supported by juicy stone fruit acidity, finishing with lingering rose florality.


Brew Guide|V60 Filter
15g coffee: 250ml water - 92-94°CBloom: 0s (45ml)Second bloom: 30s (45ml)Final pour: 1 min (150ml)Total brew time: 2:00-2:30
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Colombia, Cauca
Inmaculada Coffee Farms

Geisha
Washed

1700 - 2000 MASL

Tasting Notes
Jasmine • Honeysuckle • Orange BlossomMild acidity • Silky tea-like bodyFloral • Intensely sweet • Long finish

About this coffee

Produced by Inmaculada Coffee Farms, this washed Geisha is all about a clean, delicate cup. It pours intensely sweet and fragrant, led by jasmine, with a silky tea-like body and gentle, mild acidity. The finish is long and floral, the kind of cup that lingers well after the last sip.


Brew Guide|V60 Filter
15g coffee: 240ml water - 92°CBloom: 0s (45ml)Second bloom: 45s (45ml)Final pour: 1 min 20s (150ml)Total brew time: 2:10-2:30
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Kenya, Nyeri
Kihuyo Washing Station

SL28, SL34, Ruiru 11
Washed

1800 MASL

Tasting Notes
Starfruit • Sultana • Pink GuavaCrisp acidity • Rounded bodyModerate sweetness • Juicy

About this coffee

A washed coffee from the Kihuyo washing station, bringing forth a bright and crisp cup as expected from a Kenyan coffee. It also exhibits a rounded body and moderate sweetness, reminiscent of tropical fruits like starfruit and guava, with a juicy, lively quality.


Brew Guide|V60 Filter
15g coffee: 240ml water - 92-94°CBloom: 0s (45ml)Second bloom: 30s (45ml)Final pour: 1 min (150ml)Total brew time: 2:00-2:30
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China, Yunnan
Dehong

Catimor
Enzymatic Anaerobic Washed

1500 - 1700 MASL

Tasting Notes
Osmanthus • Peach • Honey orchid oolongAromatic • Floral • Mild fruit sweetnessBalanced acidity • Medium body

About this coffee

A rare nano lot from Dehong, Yunnan. This coffee has a distinct floral aroma. The volatile aromatics translate well into the cup, giving clear notes of osmanthus, with honeyed florality of a complex Dancong oolong. Subtle peach flavours round it out, giving a fruity sweetness and gentle acidity.


Brew Guide|V60 Filter
15g coffee: 240ml water - 92-94°CBloom: 0s (45ml)Second bloom: 30s (45ml)Final pour: 1 min (150ml)Total brew time: 2:00-2:30
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Colombia, Huila
Quebraditas Farm

Caturra
Watermelon Co-ferment Washed

1610 MASL

Tasting Notes
Watermelon • Strawberry • CantaloupeFruity • Refreshing • High-clarityMild citrus acidity • Silky body

About this coffee

Another hit from one of our favourite producers, this watermelon co-fermented Caturra tastes exceptionally natural yet punchy. Distinct melon notes are supported by complex, citric acidity and subtle strawberry sweetness, rounding out an intriguing cup.


Brew Guide|V60 Filter
15g coffee: 240ml water - 92-94°CBloom: 0s (45ml)Second bloom: 30s (45ml)Final pour: 1 min (150ml)Total brew time: 2:00-2:30
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China, Yunnan
Xi Ding Township, Menghai

Catimor
Yeast maceration

1400 MASL

Tasting Notes
Strawberries • Wildberries • ButterSweet • Rich • CreamyBalanced acidity • Syrupy body

About this coffee

Yunnan is an rapidly emerging coffee growing region globally. From a small town in Xishuangbanna, this coffee's complex yeast maceration process gives it a distinct strawberry note, with creamy texture, reminiscent of rich strawberry shortcake.


Brew Guide|V60 Filter
15g coffee: 250ml water - 92-94°CBloom: 0s (45ml)Second bloom: 30s (45ml)Final pour: 1 min (150ml)Total brew time: 2:00-2:30
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Brew Guide

How we brew it.

Rest
2+ weeksfrom the roast date
Water
92 to 94°C
Ratio
  • 15gcoffee
  • 240mlwater
Pours
  • 45ml0:30
  • 90ml1:00
  • 240ml2:00-2:30

Past Beans

Previously roasted.

Coffees we've stocked before. Not currently available, kept here as a record.

Ethiopia, Limu
Biftu Gudina

74110, 741112
Washed

2000 MASL

Tasting Notes
Lime Flower • White Tea • JasmineBalanced acidity • Velvety bodyDelicate • Sweet finish

About this coffee

The Duromina Cooperative consistently produces high-quality washed coffee through careful control of the growing, picking, and washing processes. As a result, this coffee pours soft and sweet, with delicate notes of lime flower, white tea, and jasmine over a velvety body that lingers.


Brew Guide|V60 Filter
15g coffee: 240ml water - 92-94°CBloom: 0s (45ml)Second bloom: 30s (45ml)Final pour: 1 min (150ml)Total brew time: 2:00-2:30
Previously stocked

Story

Coffee for moments of discovery.

Catalyst Coffee is a small Singapore roaster chasing expressive light roasts. We rotate through different origins and processing styles like washed, anaerobic, and maceration. Each lot is picked for its complexity and character, then roasted light to keep the cup clean and expressive, with its flavours clearly separated.