Sustainable Energy First

Founded in 1997 as BiU to tackle energy management issues across large commercial estates, evolving into today’s consultancy powerhouse

Privately backed by Beech Tree Private Equity and Qualitas Funds, with a growth

oriented buy

out in 2024 including acquisition of Inenco

Operates from the UK, helping businesses manage energy procurement, revenue recovery, infrastructure, compliance and net

zero strategies

Specialises in energy procurement, renewable energy sourcing, compliance/net

zero planning, site infrastructure and revenue recovery

Distinctive trajectory: rebrand in 2022, then rapid expansion—PE backing and industry consolidation

Known for award

winning content and thought leadership, recently winning ‘Best Content Series’ at 2025 UK Content & PR Awards

Integrity

Innovation

Collaboration

Commitment to Excellence

Customer

Centricity

Strong commitment to renewable energy solutions

Focus on reducing carbon footprint

Support for green building technologies

Emphasis on sustainable energy practices in every project