Top 5 Sustainability Startup Investors in Sierra Leone in January 2026

Last updated: Jan 2026 A list of 5 angel investors and VC (Venture Capital) funds that invest in Sustainability startups based in Sierra leone. We rank investors based on the number of investments they made in Sustainability companies from Sierra leone. We update this investor list every month.

Top 5 Sustainability Startup Investors in Sierra Leone in January 2026

Investor	Sustainability Sierra Leone investments
Acumen	3
Triodos Investment Management	1
Cygnum Capital	1
FMO	1
GAIA Impact Fund	1

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Investor list

Acumen is a nonprofit venture fund that invests in early-stage companies bringing critical services like agriculture, clean energy, education, financial inclusion, healthcare and workforce development to low-income communities in 14 countries across East and West Africa, South Asia, Latin America, and the United States. Since 2001, Acumeninvested $128 million in 128 companies that have transformed the lives of over 308 million low-income people.

Investment focus

Health Care, Agriculture, Financial Services
Seed, Funding Round, Series A
United States, India, Kenya

Portfolio highlights

BioMassters — Biomassers aim to replace charcoal production and charcoal cooking by providing modern, affordable, and low-carbon pellet fuel production and cooking solutions based on locally produced fuel from waste materials.
Reema Health — Transforming the way people navigate the gaps between health care and social care. Reema combines a 24/7 AI-based confidant with in-person community guides to help people meet their social needs.
Raino Tech4Impact — Raino Tech4Impact is a social enterprise that leverages technology as an enabler to empower African communities. We have been deploying technology-driven solutions in agriculture and health, powered by renewable energy to achieve sustainability.

Hivos-Triodos Fund is an investment Fund.

Investment focus

Agriculture, AgTech, Energy
Series A, Series C, Funding Round
India

Portfolio highlights

Easy Solar — Easy Solar distributes solar energy solutions, life improving products and financial services to the households and businesses in Sierra Leone.
Sistema.bio — Sistema.bio is a biodigester with biogas appliances. High efficiency biodigesters transform organic waste into renewable biogas.
GridBeyond Storage — GridBeyond Storage is a cooperative venture accelerating the adoption of behind-the-meter (BTM) energy storage devices.

Cygnum Capital is a leading Investment Banking and Asset Management firm serving frontier and emerging markets. Cygnum Capital is a leading investment banking and asset management firm, specialising in tailored and innovative financial solutions across frontier and emerging markets globally. With offices in London, Nairobi, Lagos, Dubai and Amsterdam, our team of 80 finance professionals bring together deep sectoral knowledge with a broad product offering across corporate finance, asset management and financial advisory services.

Investment focus

Solar, Energy, Retail
Funding Round
Sierra Leone

Portfolio highlights

Easy Solar — Easy Solar distributes solar energy solutions, life improving products and financial services to the households and businesses in Sierra Leone.

FMO is a financial investment firm that specializes in financing businesses and projects FMO invests across the agribusiness value chain to enhance food security, support sustainability and promoting inclusive development.

Investment focus

Financial Services, Finance, Renewable Energy
Debt Financing, Funding Round, Series B
India, The Netherlands, Kenya

Portfolio highlights

Paymob — Paymob runs millions of transactions for different business sizes across the Middle East and Africa. Start using Paymob’s solutions and API’s to accept and send payments for your online business now.
Sistema.bio — Sistema.bio is a biodigester with biogas appliances. High efficiency biodigesters transform organic waste into renewable biogas.
Trans-Oil Group of Companies — TRANS-OIL GROUP is an agro-industrial holding with oilseeds crushing, grain handling, commodities trading, and exports. It produces vegetable oil, flour.

Gaia Impact Fund is a venture capital firm specializing in renewable energy that builds long-term partnerships with startups operating in Sub-Saharan Africa and South-East Asia with a strong environmental and social focus. The firm supports businesses enabling sustainable and affordable energy provision to local communities. In regions where energymixes are highly carbonized, it supports technological innovations and business models enabling a cost-efficient diffusion of renewable energy on a large scale.