Use a weighted scorecard across ten criteria: strategic depth (20%), category insight (10%), distinctive brand assets (15%), execution quality (15%), measurable impact (10%), process rigour (10%), cross-functional fluency (8%), proof and references (6%), operating maturity (4%), and cultural fit (2%). Any agency scoring ≥80 across these dimensions is a strong fit. For a detailed evaluation framework, see our guide to choosing a branding and website agency.