https://www.bintelligence.com/influencer-index/2026-top-75-public-relations-agencies
Top Public Relations Firms | Influencer Index | Business Intelligence Group
The 2026 Influencer Index ranks the Top 75 PR agencies by LinkedIn engagement and Media Points. Edelman ranks #1 among 300+ self-identified agencies.
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https://www.prweb.com/releases/top-pr-agencies-ranked-in-new-influencer-index-from-business-intelligence-group-302725894.html
Top PR Agencies Ranked in New Influencer Index from Business Intelligence Group
Mar 26, 2026 - Business Intelligence Group has released the inaugural 2026 Influencer Index, a data-driven ranking identifying the PR firms with the strongest digital...
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https://commetric.com/pr-measurement-influencer-index/
PR Measurement Twitter Influencer Index 2021 | Commetric
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