First-year participant case studies

Wondering how other companies began their GRESB journey? GRESB interviewed first-year participants to find out why they decided to participate in the GRESB Assessments, what their initial experience with the assessment submission looked like, and the advice they have for their peers who are just getting started with GRESB.


DTCP is an independent investment management firm with more than EUR 2.5 billion in assets under management and more than 50 professionals. With a focus on digital transformation, the firm invests across two strategies. DTCP’s Digital Infrastructure team invests in European digital infrastructure — namely mobile towers, fiber networks, and data centers. DTCP’s Growth Equity team is the expert investor for enterprise software as a service (SaaS) companies in Europe, Israel, and the U.S.

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Castellana Properties

Castellana Properties is one of the leading SOCIMIs in the Spanish market, dedicated to the acquisition, management​,​ and rehabilitation of shopping centers and retail parks​. The firm ​​​generates predictable, sustainable​,​ and growing income streams for its investors through the optimization of portfolio performance, active portfolio management, a solid financial management, and the provision of a top​-​​​quality experience to its operators and clients.

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MOMENI Group, founded in 2004 and based in Hamburg, is one of the leading privately owned and operated investment managers focusing on prime office and commercial properties in inner-city locations of major German and selected European cities. Along with local and international partners, MOMENI invests in diverse real estate opportunities and establishes excellent, long-term relationships with global private and institutional investors.

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Alecta Fastigheter

Alecta Fastigheter is a Swedish real estate company founded in 2021, with the mission to lift people, cities, and businesses by interacting, learning, and trying its way. In a society that changes rapidly, Alecta Fastigheter believes that we must dare to think new.

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Starlight Investments

Starlight Investments is a leading global real estate investment and asset management firm. A privately held owner, developer, and asset manager of over 76,000 residential suites and over 8 million square feet of commercial property space, Starlight offers various investment strategies.

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We interviewed first-year GRESB participant Thomas Stanchak, Director of Sustainability at Stoneweg US, on the firm’s ESG journey, their motivation for participating in the GRESB Assessments, and the benefits and challenges of participation. Stoneweg began reporting to GRESB in 2022.

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Learn more about getting started with GRESB

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