Companies

Ogilvy Health is a global healthcare marketing and communications agency delivering integrated, insight-driven campaigns across pharma, biotech, and consumer health sectors.

Ogilvy Japan is the Tokyo-based arm of the global Ogilvy network, delivering integrated marketing, advertising, and communications services to multinational and domestic brands operating in Japan.

Ogilvy PR is a global public relations and communications agency, part of the Ogilvy network, delivering integrated PR, influence, and reputation management services for major brands worldwide.

Ogury is a mobile advertising technology company that provides a privacy-focused platform for brands and publishers. They use contextual intelligence to deliver ads without relying on personal data, focusing on user consent and transparency. Their technology allows for precise targeting based on content and context.

Okendo is a customer marketing platform that helps e-commerce brands collect and display customer reviews, ratings, and user-generated content to drive conversions.

Okera was a data access and governance platform that enabled secure, policy-based access to data across cloud and on-premise environments before being acquired by Databricks in 2022.

Okta is an identity and access management platform that helps organizations securely connect the right people to the right technologies. It provides cloud-based solutions for user authentication, authorization, and identity lifecycle management.

Oktopost is a leading social media management platform specifically designed for B2B companies. It empowers businesses to manage, monitor, and measure their social media activities, focusing on lead generation, employee advocacy, and demonstrating ROI from social media efforts.

Visual commerce platform that enabled brands to collect, curate, and display user-generated content (UGC) for marketing and e-commerce purposes.

Olyzon is a French AdTech company specializing in connected TV (CTV) and video advertising, offering AI-powered campaign management and optimization solutions for advertisers and agencies.

Top-3 global media-buying agency within Omnicom Media Group. Recognized as one of the most-awarded media agencies globally; sister network to PHD under OMG. Post-Omnicom-IPG merger (Nov 2025), OMD operates alongside PHD, Hearts & Science, UM, Initiative, and Mediahub under the unified Omnicom Media platform.

Omnicom's data and digital-commerce division (CEO Duncan Painter), housing the Omni operating system and Flywheel digital commerce — the data backbone for Omnicom's other divisions. Formed in the December 2025 post-Interpublic restructure.

Omnicom's global creative division, formed in the December 2025 post-Interpublic restructure (CEO Troy Ruhanen). Houses the three primary global creative networks — BBDO, TBWA and McCann — plus independent agencies (The Martin Agency, Goodby Silverstein & Partners, GSD&M, Deutsch, Lucky Generals). The DDB, FCB and MullenLowe brands were consolidated into these networks over H1 2026.

Omnicom Group is one of the world's largest advertising and marketing communications holding companies, operating a portfolio of leading agency brands across creative, media, PR, and specialty marketing services.

Omnicom Health Group is the world's largest healthcare marketing and communications network, delivering specialized health and wellness advertising solutions across the full spectrum of healthcare audiences.

Omnicom Media Group is a global media planning and buying agency network, part of Omnicom Group, operating major brands including OMD, PHD, and Hearts & Science.

Omnicom umbrella division for CRM/precision/data agencies; founded 2016. Houses Rapp, Credera, and Flywheel (pre-2025 reorg into Omnicom Media). Acronym: OPMG.

Omnicom's centralized global production and studios division (CEO Sergio Lopez), created in the December 2025 post-Interpublic restructure.

Omnicom's public relations and communications division (CEO Chris Foster), expanded after the Interpublic acquisition to include FleishmanHillard, Ketchum, Porter Novelli and Weber Shandwick.

Omniconvert is a comprehensive growth platform designed for e-commerce businesses, offering tools to optimize customer journeys and boost conversions. It provides solutions for A/B testing, personalization, surveys, and advanced customer segmentation to enhance website performance and user experience.

Omnisend is an email and SMS marketing automation platform for e-commerce, founded in 2014 (originally as Soundest) and headquartered in Vilnius, Lithuania, with additional offices including London. It offers integrated advertising and lifecycle messaging for online retailers.

Onalytica was an influencer relationship management (IRM) platform that helped brands identify, analyze, and engage with key influencers across social media and digital channels.

OnAudience was a global data marketplace and DMP provider specializing in third-party audience segments for programmatic advertising, operating primarily across European and global markets.