Berti Investments

Berti Investments Ltd is a private equity firm based in London, United Kingdom, specializing in environmental impact investments. Founded in 2011, the firm focuses on financing innovative and entrepreneurial companies that aim to reduce carbon emissions, primarily within the energy sector. Berti Investments provides equity, debt, and mezzanine financing, targeting emerging growth, early venture, mid venture, and growth capital transactions. The firm typically invests between £200,000 and £1 million, often seeking co-investment opportunities. Berti Investments aims to acquire a stake of 5 percent to 50 percent in its portfolio companies, usually securing a non-executive director seat. The firm generally plans to exit its investments within a two to five-year timeframe.

Seth Tabatznik

Co-Founding Executive Director

8 past transactions

Beckley Psytech

Series A in 2020
Beckley Psytech Limited is a biotechnology company based in Oxford, United Kingdom, that develops psychedelic drugs aimed at treating psychiatric and neurological disorders. Founded in 2014, it focuses on harnessing the therapeutic potential of substances such as psilocybin to address significant mental health challenges, including depression and other debilitating neuropsychiatric conditions with considerable unmet needs. The company aims to integrate clinically validated psychedelic medicines into mainstream medical practices, offering patients innovative treatment options that differentiate from existing therapies. Through its drug pipeline, Beckley Psytech is committed to providing alternative solutions for those suffering from various mental health issues.

Advizzo

Pre Seed Round in 2016
Advizzo Limited is a London-based company that specializes in developing a cloud-based platform focused on behavioral and data-driven solutions aimed at reducing water and energy consumption. Founded in 2015, the company leverages data analytics and machine learning to provide insights into utility consumption, forecast future demand, and detect leaks in household water systems. Advizzo's platform caters to both consumers and utility companies; it offers homeowners personalized usage reports and leak detection services while providing utilities with predictive analytic models, usage analytics, and customer engagement tools. By utilizing behavioral science, Advizzo aims to transform how individuals perceive and manage their water and energy usage, ultimately promoting the preservation of natural resources.

Green Energy Options

Venture Round in 2014
Green Energy Options is a company based in Cambridge, United Kingdom, that specializes in designing and producing in-home energy displays, online energy services, and mobile applications. Founded in 2006, the company focuses on enhancing the energy aspect of smart homes, helping customers save money on their energy bills. Its innovative products connect various household utilities, enabling users to gain comprehensive control over their energy consumption. By providing actionable insights, Green Energy Options empowers customers to optimize their energy usage, contributing to both cost savings and reduced carbon footprints. The company has developed over 25 products and sold more than 4 million energy monitoring systems. Its achievements include receiving the 2017 Queen’s Award for Enterprise and being ranked in the Sunday Times Hiscox Tech Track 100.

Belltown Power

Seed Round in 2014
Belltown Power is an international renewable energy company founded in 2013 and based in London. The company specializes in the development and operation of wind, solar, hydro, and biomass heat projects. Belltown Power's dedicated team focuses on project sourcing, evaluation, construction, and operations, aiming to maximize long-term asset value while delivering high-quality renewable energy solutions. By collaborating with development and funding partners, Belltown Power actively works to decarbonize the economy and provide clients with reliable, high-yielding energy assets.

Solstice Renewables

Seed Round in 2014
Solstice Renewables is a small, independent developer of solar farms in the UK, dedicated to advancing renewable energy as a means to reduce carbon emissions and enhance energy security. The company has successfully developed 13 solar farms between 2013 and 2016, collectively generating 118 MegaWatts (MW) of capacity, sufficient to power around 35,000 homes. Solstice places a strong emphasis on community engagement, ensuring that its sites are well-integrated into the landscape and maintaining good relationships with local residents. The company also focuses on preserving agricultural use of land and implementing best practices for biodiversity and ecological improvements. Although four additional sites have received planning consent, they remain unbuilt due to shifts in government policy. Overall, Solstice Renewables is committed to delivering sustainable energy solutions while fostering community benefits and environmental stewardship.

Fairphone

Seed Round in 2012
Fairphone is a company based in Amsterdam, established in 2010 by Bas van Abel, that focuses on creating ethically sourced smartphones. These devices are designed for basic functionalities such as calling, texting, and internet browsing. Fairphone emphasizes a completely transparent supply chain, ensuring that the materials used in their smartphones are sourced responsibly. This approach allows consumers to contribute positively to social and environmental outcomes throughout the entire life cycle of the phone, from production to disposal.

Ecometrica

Venture Round in 2012
Ecometrica Limited is a sustainability software and data company that specializes in environmental Software-as-a-Service (SaaS) solutions. Founded in 2007 and headquartered in Edinburgh, Scotland, with additional offices in London, Boston, and Montreal, Ecometrica develops the Ecometrica Platform, a comprehensive sustainability management tool. This platform integrates sustainability, environmental risk, and business management with geospatial intelligence and mapping applications, enabling businesses, governments, and organizations to assess their environmental impacts effectively. Ecometrica's solutions cater to a diverse client base, including private and public sectors, non-profit organizations, multinational companies, and investors, offering insights that help identify risks and opportunities while ensuring compliance with climate-related regulations. The company is recognized for its expertise in greenhouse gas accounting and climate risk assessment, acting as CDP's only gold partner across multiple environmental domains.

HomeSun

Debt Financing in 2011
HomeSun Limited, based in Reading, United Kingdom, specializes in producing electricity through solar energy. Founded in 2010, the company offers homeowners the opportunity to generate their own electricity by providing free solar photovoltaic (PV) panels. HomeSun aims to empower individuals to harness renewable energy, contributing to sustainability and reducing reliance on traditional energy sources.
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