Solutions
Sustainability Advisory
Flexible sustainability leadership to design, manage, and execute ESG programs — emphasizing practical execution and decision-useful data over checkbox reporting.
FSI helps businesses turn sustainability into a value-creating strategy. We provide flexible sustainability leadership to design, manage, and execute ESG projects and programs without the cost or rigidity of a full-time hire. Our approach emphasizes practical execution, cross-functional alignment, and decision-useful data rather than checkbox reporting.
Our capabilities span materiality and risk assessments, ESG program design and management, and comprehensive, audit-ready GHG accounting across Scope 1, Scope 2, and Scope 3 — all supported by defensible methodologies and strong data controls. We also help organizations navigate national, regional, and state regulatory requirements, aligning disclosures with evolving U.S. and global frameworks.
Our Services
Interim & Fractional CSO
Sustainability leadership without the full-time headcount.
Learn moreMateriality Assessments
Focus on what matters most to your business and stakeholders.
Learn moreSustainability Reporting
Transparent, decision-useful ESG disclosure.
Learn moreGHG Accounting
Audit-ready inventories across Scope 1, 2, and 3.
Learn moreESG Data & Systems Advisory
Integrate. Automate. Optimize your ESG data.
Learn moreRegulatory Reporting
Confidence in an evolving regulatory landscape.
Learn moreReporting Strategy
Sustainability reporting that resonates and delivers ROI.
Learn moreESG M&A Due Diligence
Evaluate ESG risk and opportunity across the deal.
Learn moreValue Creation Strategy
Turn sustainability into long-term, measurable value.
Learn moreContact Us
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