Sustainia is a specialist carbon management consultancy helping organisations achieve net zero through strategic carbon reduction, energy efficiency, and regulatory compliance. With over 15 years of experience in sustainability consulting, we support businesses in understanding their environmental impact and taking measurable, science-based action on climate change.

As experts in carbon footprinting, GHG verification, and decarbonisation planning, we work across a wide range of sectors—from construction and real estate to manufacturing, retail, and the public sector. Our clients include global brands like Patagonia, VW Group, and Mondelez, as well as UK-based developers and energy-intensive industries.

Our consultancy services cover:

• Corporate & product carbon footprinting

• Greenhouse gas (GHG) inventory development and verification

• Net zero strategy and science-based target setting

• ESOS compliance and energy efficiency audits

• Building energy certification, including EPCs (non-domestic)

• Renewable energy feasibility and decarbonisation plans

• Product Carbon Footprint and supply chain emissions analysis

• Support with ISO14064, ISO14067, PAS 2080, and the GHG Protocol

We help clients comply with key UK and EU regulations including the Emissions Trading Scheme (ETS), Streamlined Energy and Carbon Reporting (SECR), and climate risk frameworks such as TCFD and SFDR.

Led by an experienced sustainability consultant, our firm combines deep technical knowledge with hands-on delivery. We provide practical, independent advice backed by international best practices and the latest sustainability standards.

Whether you're looking to understand and quantify your carbon footprint, decarbonise your supply chain, improve your building’s energy performance certificate (EPC) rating, or build a long-term net zero roadmap, we offer expert guidance to support your journey.

Take climate action with confidence. Partner with a trusted carbon management consultancy.