Our Story

Established in 2015, in Scotland, arbnco now operates across the US and Europe. Our technology journey started with a team of scientific professionals focused on intelligent green building innovation and data analytics, which remains at our core. As our business grows within a dynamic environmental and commercial marketplace, we continue to reinvest in this Research and Development to bring the best PropTech solutions to the market. We are committed to helping businesses better measure and report ESG performance and deliver the global transition to zero carbon.

Our Leadership Team

Maureen Eisbrenner

CEO & Co-Founder

A seasoned executive with more than twenty years of experience. Former Director, CEO and CCO with multiple successful exits.

Simon West

COO & Co-Founder

Co-/Founded a number of businesses with successful exits. Simon has over ten years experience in the UK commercial real estate sector.

Alan Wegienka

Chief Technology Officer

Over thirty five years in computer aided modeling and simulation. Founded and successfully exited two companies in simulation software.

Dave Peralta

Chief Financial Officer

Over thirty years in executive management for tech companies. Former CFO at two leading enterprise software companies, successfully exited both.


Our CEO is an esteemed board member and alumna of Women in Sustainability Leadership Awards (WSLA), showcasing our commitment to promoting diversity in the field of sustainability. At arbnco, we wholeheartedly support and endorse the invaluable work done by this remarkable organisation.