Grupo ABC is a Brazilian communications group that specializes in advertising, public relations, and marketing research. It was founded in 2002 by Nizan Guanaes, a renowned Brazilian advertising executive. The company's headquarters are located in São Paulo, Brazil.

Grupo ABC offers a wide range of products and services to its clients, including advertising campaigns, brand management, digital marketing, content creation, public relations, and market research. The company has a strong focus on creativity and innovation, and it works closely with its clients to develop impactful campaigns that resonate with their target audiences. On a global scale, Grupo ABC has expanded its operations through various subsidiaries, joint ventures, and partnerships.

The company has offices in many countries, including Argentina, Mexico, Colombia, Portugal, and the United States. It has also formed strategic alliances with international advertising agencies such as TBWA and Havas, further strengthening its global presence. In terms of market position, Grupo ABC is considered one of the leading communications groups in Brazil and has gained recognition globally.

The company has received numerous awards for its creativity and effectiveness, including Cannes Lions, the world's most prestigious advertising festival. Grupo ABC is known for its ability to develop innovative and impactful campaigns that drive business results for its clients. In recent years, Grupo ABC has undergone some changes in its strategy and product lineup.

In 2015, the company was acquired by Omnicom Group, a leading global advertising and marketing communications conglomerate. This acquisition has enabled Grupo ABC to tap into a larger network of resources and expertise, further enhancing its capabilities. As of the latest information available, Grupo ABC continues to operate as a subsidiary of Omnicom Group.

The company remains committed to delivering creative and effective communications solutions to its clients, both in Brazil and internationally