A Public Relations Firm is a professional services provider. Indeed publicity teams are generally hired to increase brand awareness and media recognition for many business types. The core objective of the public relations firm is to build the brand, product, or service rendered by an organization through media placements on behalf of the client. There are a lot of PR firms working in the market and we have gone through 209 in firms and selected the Top 10 Public Relation Firms in Los Angeles. The public relations firms have been selected on the basis of their reputation, credibility, customer trust, and successful project completion ratio.10.