Astarte Capital Partners is a specialist investment firm focused on sustainable real asset sectors. GSP Capital is proud to be an investor in Astarte, whose mission is to build long-term value by forming active, strategic partnerships with specialist emerging managers and operating teams in the private markets.

Bora Energía Sostenible specializes in the engineering, installation, and maintenance of heating, air conditioning, hot water, and renewable energy systems.

With over 30 years of expertise and a team of 170 professionals across Spain, Bora supports residential, commercial, and industrial clients—delivering turnkey solutions that boost energy efficiency and sustainability

Founded in Madrid in 1978, Clínica Tambre is a pioneering medical-surgical centre specialising in gynaecology and fertility.

With an extensive track record in the world of reproductive medicine, Clínica Tambre continues to achieve the highest success rates in Spain and throughout Europe.

Our strategy is to meet rising demand for high-quality, Western-style education by combining proven academic models with modern technologies, including advanced EdTech and AI-driven tools. This investment reflects our long-term conviction in education as both a resilient sector and a critical pillar of global development.

GSP Real Estate is an innovative real estate company with a proven track record of delivering high-quality developments across London.

Our portfolio includes an Ian Simpson-designed luxury residential scheme in Westminster, 53 apartments in Hammersmith, and 26 apartments in Shoreditch. We are currently leading the transformation of 16–26 Banner Street into best-in-class, modern office space for forward-thinking businesses. Located in the heart of London, Banner Street is being reimagined to set a new benchmark for the modern workplace.

Hearthstone Investments is a pioneer in UK suburban private rented housing, having launched the country’s first institutional fund dedicated to the sector in 2012.

The firm partners with developers to deliver high-quality, energy-efficient homes targeted at working families and key workers. Hearthstone manages capital on behalf of institutional investors, including local government pension schemes, and maintains a strong track record of income-generating, ESG-aligned residential portfolios across the UK.