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Calvine Sustainables

Our team has deep knowledge in cleantech, low-carbon concrete, and biogas. We have extensive experience in financial markets and a broad network of financial and strategic investors, developers, and policy influencers. Having worked with several thousand companies and investors, we produce high-quality institutional-grade pitch materials and instruct teams, enabling higher success rates.

What we do

We support early-stage clean technology and renewable energy companies in accessing investment and entering strategic partnerships. Large multi-utility companies, private equity, and venture capital firms are actively seeking viable, investment-ready projects but lack streamlined access routes. Calvine Sustainables aims to be the critical connector, enabling these deals by providing professional investment materials and making relevant introductions.

Our Services

  • Conduct fundamental investment research on the company and its markets

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  • Produce high-quality investment pitch materials, comparable to institutional-grade pitch books

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  • Highlight IP value, commercial viability, and policy alignment

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  • Match and introduce client companies to acquirors, strategic investors, financial investors and industrial partners

The Team

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Ron is a highly experienced professional with over 30 years’ experience in the UK renewables sector, including senior roles at major utilities and developers. An engineering graduate from Strathclyde with an MBA, he blends technical depth with strong commercial insight. Ron has led major M&A activity, secured government funding, and successfully developed and sold renewable energy businesses. His high planning consent rate reflects a strategic, informed approach. Ron has and continues to support projects across wind, solar PV, battery storage, heat pumps, and emerging clean technologies. He is widely trusted in the industry for his market knowledge, track record of delivery, and extensive industry network.

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Graeme has a strong 25-year track record in fund management and equity research, having held senior positions at four leading institutions in the UK and Ireland. He has been involved in multiple IPOs and fundraises. Graeme has experience that stretches across UK, European and Global financial markets. He specialises in the built environment and, between 2016 and 2024, built his reputation as one of the leading construction analysts in the City. Graeme advises blue-chip clients in the renewable energy sector on maximising shareholder value and securing equity capital investment.

Calvine Partners LLP is authorised and regulated by the Financial Conduct Authority

Calvine Partners LLP, Partnership No. SO306987

Registered in Scotland: 23 Melville Street, Edinburgh, EH3 7PE

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Calvine Partners
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