Sustainability Assurance & GHG Verification Services You Can Trust
Third-party assurance and verification builds trust and increases confidence in the quality of the information and data in sustainability reports and ESG disclosures. We offer assurance and verification services to meet these needs.
Our third-party reviews result in assurance/verification statements for:
- CSRD compliance
- Environmental metrics submitted to GRESB
- Climate-related data submitted to CDP
- Sustainability reports “in accordance” with GRI
- Public disclosures submitted through investor questionnaires
Talk With a GHG Expert
Your Trusted Partner
ISOS Group’s verification and assurance service is just one of our trusted solutions. Environ Energy delivers services to ease the key challenges of energy cost, carbon, and efficiency. We work across industries to help companies understand their current and future energy usage and sustainability impacts to effectively set, meet, and even exceed efficiency and sustainability goals. Read on to learn more.
Energy Procurement
Energy Efficiency
Identify cost-effective ways to reduce carbon emissions, combat climate change, improve air quality, maintain healthy working and living environments, and reduce energy costs.
Decarbonization Planning
Make meaningful contributions to environmental preservation while enjoying the benefits of enhanced satisfaction, financial advantages, and improved reputation.

Strategic Development Beyond Assurance & Verification
A sustainability strategy goes beyond the practice of annual reporting, utilizing the report as a barometer for long-term goals and value creation. As you advance along your sustainability journey, we can assist with:
- Climate-related risk assessments
- ESG / sustainability and decarbonization strategies
- Goals and target setting
- Data collection and performance tracking
- Awards and recognition submissions
“We thoroughly enjoyed working with ISOS Group throughout our assurance process.
From prompt, clear communication during our engagement to extensive review of our ESG report’s data,
the ISOS team made our first assurance experience very seamless. We would recommend them to other firms
who are looking to assure their report data for the first time or engage with an experienced partner.”
Isela Rosales - Managing Director
Head of ESG & Sustainability at Bridge Investment Group

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