Makassar · South Sulawesi · Indonesia

Brewing
Scalable Impact
From Coffee Waste

We transform spent coffee grounds into biochar, compost, and sustainable materials — driving circular economy solutions across Indonesia.

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Live Impact

Our Numbers Speak

—kg

Waste Collected

← waste_collections

—ton

CO₂ Saved

← impact_logs

—

Active Partners

← mitra

—units

Products Sold

← order_items

// Who we are

From Residue
to Ritual

Rebru is one of South Sulawesi's first startups dedicated to transforming spent coffee grounds into high-impact climate products. We collect, process, and upgrade waste into biochar, compost, and bio-briquettes that restore soil and reduce emissions.

2024Founded

4+Products

100%Organic

Rebru Process

SCGSpent Coffee Grounds

What We Make

Circular Innovations

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Biochar

Improves soil health, increases water retention, and locks carbon for centuries.

Compost

Organic fertilizer made from coffee grounds blended with restaurant waste.

Bio-briquettes

Cleaner-burning fuel briquettes using spent coffee grounds as the primary ingredient.

Raw Materials

Biodegradable cups, blocks, and sustainable packaging prototypes.

Insights

From Our Blog

Featured · Coffee Waste

Sisa Hari Ini, Solusi Untuk Esok: Fakta Tersembunyi di Balik Secangkir Kopi

Setiap tahun, dunia menghasilkan lebih dari 18 juta ton ampas kopi. Dari rumah tangga hingga restoran besar — potensi yang selama ini terabaikan.

Baca Selengkapnya

Tips · Sustainability

5 Tips Mengelola Limbah Kopi di Rumah

Coming soon

Education · Circular Economy

Apa Itu Ekonomi Sirkular?

Coming soon

Every Cup of Coffee
Becomes a Catalyst for
Climate Resilience

Partner with us to redirect waste from landfills and create measurable environmental impact across Indonesia.

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