Deloitte reports comprehensive multi-scope emissions data with SBTi-validated net-zero targets, but absolute emissions reduction is glacial at 7% over five years. The critical weakness: material complicity in fossil fuel auditing and consulting undermines credibility. Supply chain scope remains methodologically incomplete and unverified globally.
Same formula for every company. No curve. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Energy Source and Carbon Footprint — Operations (7/10, 6/10). Weakest on Controversies & Red Flags and Water Impact (4/10, 4/10).
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Among the 8 major consulting / professional services brands we've scored, Deloitte is tied =6th of 8, with 2 others.
Score history begins 11 April 2026.
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Deloitte is a multinational professional services firm providing audit, tax, consulting, and advisory services. Founded in 1845, headquartered in New York, it operates across 150+ countries with over 345,000 employees. One of the Big Four accounting and consulting firms, Deloitte serves public and private sector clients including major fossil fuel operators.
Direct peer: Big Four firm also auditing fossil fuel clients with similar scope reporting gaps and complicity risks
View breakdown →Comparable global consulting firm with extensive fossil sector client base and greenwashing contradiction
View breakdown →Elite strategy consultancy serving both renewables and oil & gas with undisclosed portfolio tensions
View breakdown →Big Four audit and advisory firm with similar fossil fuel audit entanglement and net-zero target coverage
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