Public relations is the umbrella term for a broad range of services, ranging from traditional consumer-oriented PR of goods and services to more sophisticated corporate or investor communications. Most of the world's major groups offer both as well as a variety of linked services such as public affairs (including political lobbying) and social media and other online buzz-generating disciplines. Many also have specialised units offering digital media, branding, and even traditional advertising.

Top Global PR Agencies by estimated fee income in 2020

Edelman	Ogilvy PR
Weber Shandwick	Golin
Burson Cohn & Wolfe	ICF Next
FleishmanHillard	FTI Consulting
Ketchum	Havas PR
Brunswick	Finsbury Glover Hering
MSLGroup	MC Group
BlueFocus	Vector
Real Chemistry (ex W20 Group)	Teneo
H&K Strategies	WE Communications

Source: PRovoke

Other Agencies

Next 15	Good Relations (Chime)
Huntsworth	Ruder Finn
Bell Pottinger Private