Clients’ advertising and communications expenditure fluctuates, often in response to actual or expected changes in consumer spending. In a significant number of the Groupe’s markets, consumer spending is typically lower at the beginning of the year, after the holidays. As a result, advertising and communications expenditure is not as high during these periods.
In 2025, the Groupe topped the global ranking of communications groups (source: companies’ annual reports).
The table below shows the net revenue and revenue published by each of the top three communications groups worldwide for 2025, with Omnicom figures including one month of those of Interpublic following the completion in November 2025 of the acquisition announced in December 2024.
| (in millions)(1) | Publicis | WPP | Omnicom |
|---|---|---|---|
| Net revenue in local currency | Net revenue in local currency Publicis EUR 14,547 |
Net revenue in local currency WPP GBP 10,176 |
Net revenue in local currency Omnicom n.c (2) |
| Net revenue in dollars | Net revenue in dollars Publicis USD 16,439 |
Net revenue in dollars WPP USD 13,432 |
Net revenue in dollars Omnicom n.c (2) |
| Revenue in local currency | Revenue in local currency Publicis EUR 17,399 |
Revenue in local currency WPP GBP 13,550 |
Revenue in local currency Omnicom USD 17,272 |
| Revenue in dollars | Revenue in dollars Publicis USD 19,661 |
Revenue in dollars WPP USD 17,886 |
Revenue in dollars Omnicom USD 17,272 |
The reader should note that the figures above are those published by the groups concerned, in the currency and according to the accounting standards used by each of them.
Generally speaking, the advertising and communications markets are highly competitive and the Groupe competes with many international agencies. Publicis also faces competition from a large number of independent local advertising agencies around the world.
Furthermore, new competitors have emerged from the digital transformation consulting sector, such as Accenture and Capgemini, primarily through advertising acquisitions, such as Accenture’s 2019 purchase of Droga5.
The Groupe expects competition to remain intense, particularly due to the potential consolidation of advertising budgets by major international advertisers who are working with an increasingly small number of agencies. Equally of note, the considerable changes in the communications sector are reflected in the emergence of new competitors from the consulting and high-tech fields.
Some of the Groupe’s businesses are governed by regulations that may vary from country to country or region to region. For example, in France, media buying activities are subject to the Sapin Law, a law requiring transparency in media buying transactions. Pursuant to the Sapin Law, an advertising agency may not purchase advertising space from media companies and then resell the space to clients on different terms. Instead, the agency must act exclusively as the agent of its clients when purchasing advertising space.
Many countries have strict laws governing the advertising and marketing of certain products, in particular tobacco, alcohol, pharmaceuticals, foodstuffs and financial services. New regulations or standards imposed on the advertising or marketing of such products could have an adverse impact on the Groupe’s operations.
These regulations can change frequently: their scope can be amended, often with very short time frames; new regulations can be introduced, including without prior notice; and as the Groupe develops, it may expand into areas covered by regulations that did not previously apply to it. Any new regulations or amendments to how existing laws or regulations are implemented or applied, or if the Groupe becomes subject to new regulations could have a material impact on the Groupe.
Publicis Groupe is governed by data protection laws and regulations in the majority of countries it is active in. The Groupe regularly adapts its personal data privacy policy and programs to align with current regulations, such as the EU General Data Protection Regulation (Regulation (EU) 2016/679, GDPR). After Brexit, the United Kingdom incorporated the GDPR into its legislation via the “UK GDPR.” The United Kingdom also adopted the Data Use and Access Act in 2025, the main objective of which is to stimulate economic growth through the use of data and enable more efficient use of data in both the private and public sectors. This law amends certain aspects of the GDPR’s principles as incorporated into UK law by the UK GDPR, without, however, affecting the adequacy decision between the European Union and the United Kingdom. The Data Use and Access Act also includes provisions that do not fall within the scope of personal data protection, including obligations on data portability, digital identity verification and reforms of the digital economy. Just as it tightened obligations incumbent on companies, the GDPR and UK GDPR also created and strengthened the rights of individuals, in particular with regard to their right to information on how their data is processed.