The Top Ten Public Relations Firms, Ranked

Chicago, IL / New York · Est. 1952 · Largest PR firm globally; ~$1B+ fee income

• ·Largest independent PR firm in the world by verified fee income for over a decade. [PRWeek Agency Business Report]
• ·Publisher of the Edelman Trust Barometer, the industry's most-cited trust research. [Edelman Trust Barometer]

New York, NY · Est. 1921 · IPG network; top-three global fee income

• ·Consistent top-three global fee-income ranking with verified reporting. [PRWeek / Provoke Media Global Rankings]
• ·Most-awarded large network at industry effectiveness shows in multiple years. [SABRE Awards records]

New York, NY · Est. 1953 · WPP; relaunched as combined BCW + Hill & Knowlton

• ·2024 combination created one of the two largest PR networks by fee income. [WPP announcements / PRWeek]
• ·Founder Harold Burson is the field's most-decorated historical figure. [Industry historical record]

St. Louis, MO · Est. 1946 · Omnicom; global network

• ·Verified top-five global fee income with strong public-affairs depth. [PRWeek Agency Business Report]
• ·Long-running crisis-management practice with documented major engagements. [Industry case records]

New York, NY · Est. 1923 · Omnicom; century of operation

• ·100+ years of continuous operation with a verified blue-chip client history. [Firm records]
• ·Multiple Agency of the Year honors. [PRWeek Awards]

New York, NY (US) · Est. 1987 · Financial & corporate communications specialist

• ·Advises on more major M&A transactions by value than any other communications firm. [Mergermarket / league tables]
• ·The reference firm for high-stakes financial communications. [Provoke Media rankings]

New York, NY · Est. 1927 · Now part of Burson; historic network

• ·One of the founding firms of the modern PR industry with a near-century record. [Industry historical record]
• ·Deep public-affairs and government-relations bench. [PRWeek profiles]

Washington, D.C. · Est. 1984 · Independent; public-affairs leader

• ·Largest independent public-affairs-focused firm, verified by fee reporting. [Provoke Media Global Rankings]
• ·Founded by Arnold & Porter alum Margery Kraus; strong policy credentials. [Firm records]

New York, NY · Est. 1972 · Omnicom; purpose & social-impact pioneer

• ·Pioneered purpose-driven communications practice with documented long-term programs. [Industry case records]
• ·Verified global network reach through Omnicom PR Group. [Omnicom disclosures]

New York, NY · Est. 1994 · Strategic communications; KKR-backed

• ·Leading advisor on activist-defense and crisis situations by verified mandate volume. [Mergermarket / Activist Insight data]
• ·Rapid verified growth to a top-tier global position. [Provoke Media rankings]