Who we are

At 81, we are driven by a how can we do it better mentality, constantly challenging each other to grow and improve. We view our work as an act of service, taking joy and pride in what we do, by supporting others to succeed.

Our leadership team, with over 30 years of experience across diverse industries such as IT, Renewable Energies, Construction, Engineering, Geology, and Architecture, ensures that each project benefits from a wealth of knowledge and expertise.

Each project is overseen by a member of our leadership team, supported by collaborators who bring their unique skills and perspectives to achieve the best outcomes. Everyone at 81 shares the passion for building a better future, contributing our expertise, personality, and experience to this collective goal.

We believe in great communication, open-mindedness, and collaborative work, enabling us to provide meaningful results while continuously growing and improving.

  • Spiros Chasiotis

    Founder/ Managing Director

  • Henrik Ender

    Partner/ Architect, Building Physics Advisor

  • Dean Hoggart

    Partner/ Building Designer, Energy Assessor

At 81, we work for and with people.

Great things in business are never done by one person;
they’re done by a team of people.
— Steve Jobs