Critical Mass is a full-service advertising agency that offers a range of marketing opportunities for business clients. The agency has been in operation for more than 10 years. It maintains over five office locations. The agency employs a staff of up to 500 individuals. It conducts field research, as well as competitive audits. Critical Mass offers media design and development services. The agency also provides content and digital asset management services. It offers database and profile development services. In addition, the agency media planning and buying and search engine marketing and optimization solutions. Critical Mass clients include Mercedes-Benz, Dell and Rolex.