Marketing Agency

Aegis Group was a major global media services and market research conglomerate that operated leading networks including Carat and Synovate before being acquired by Dentsu in 2013 and subsequently absorbed into the Dentsu organization.

Dentsu is one of the world's largest advertising and media agency groups, offering integrated marketing, media, creative, and data-driven solutions to global brands.

Dentsu Media is the media investment and activation arm of Dentsu International, providing integrated media planning, buying, and performance services across all channels globally.

GroupM is the world's largest media investment company, managing over $60 billion in annual media spend across multiple agency brands including Mindshare, Wavemaker, EssenceMediacom, and mSix&Partners.

Havas is one of the world's largest global communications and advertising groups, offering integrated media, creative, and health communications services across 100+ countries.

Havas Media is the global media network of Havas Group, offering integrated media planning, buying, and data-driven advertising solutions across 140+ countries.

Interpublic Group (IPG) is one of the world's largest advertising and marketing services holding companies, housing a global network of creative, media, data, and PR agencies.

IPG Mediabrands is the media and marketing solutions division of Interpublic Group, operating major agency networks including UM, Initiative, and Mediabrands Content Studio.

McCann is a global advertising agency network and part of the Interpublic Group, offering integrated marketing communications, creative services, and brand strategy across 120+ countries.

360i was a pioneering digital advertising agency known for data-driven creative and media strategies, consolidated into Dentsu Creative in June 2022.

72andSunny is a global creative advertising agency known for bold, culturally-driven campaigns for major brands like Google, Activision, and Smirnoff.

Accenture is a global professional services company that provides a wide range of services, including digital marketing and advertising technology solutions, to help clients improve their marketing and advertising performance.

Accenture Interactive was the digital marketing and experience agency arm of Accenture, which merged with Publicis Groupe's operations in 2020 to form Accenture Song.

AKQA is a global digital design and communications agency specializing in creating digital experiences, products, and services for major brands.

Assembly is the global media agency under Stagwell Inc., formed by merging Assembly + ForwardPMX into a single integrated media-buying and planning network. ~1,900 employees across 30+ offices in 20+ countries. Distinct from Assembly Industries (the Advent-backed e-commerce software platform that acquired Pacvue in 2021) despite the shared brand name.

BBDO is one of the world's largest and most awarded advertising agency networks, known for creating iconic campaigns for global brands across every major industry.

Dentsu's flagship media network, founded 1968. Operates in 70+ countries. Specializes in media planning, buying, and audience strategy.

Deloitte Digital is the digital transformation and creative consultancy arm of Deloitte, providing end-to-end digital marketing, experience design, and technology services to enterprise clients.

Cultural-marketing agency acquired by Publicis Groupe April 2026 (closing). Focused on sports + entertainment sponsorship + cultural relevance.

Allison Worldwide is a global independent public relations and integrated communications agency helping brands navigate earned media, reputation management, and strategic communications.

Amazon Ads' in-house creative agency, present in 17 countries globally; multi-Cannes-Lions winner. Distinct creative-services business unit within Amazon Ads.

Anomaly is a 'new model' advertising agency that creates brand-building platforms and solutions for clients. It operates across a range of disciplines, including advertising, digital, design, and product development, aiming to deliver innovative and effective work for global brands.

Paris-founded creative agency, Havas's French flagship. #1 in WARC Creative 100 2024.

NYC digital-transformation agency, founded 2001. Ad Age Business Transformation Agency of the Year 2024. Anchors Stagwell's Code and Theory Network. Stagwell Media LLC bought majority stake January 5, 2016.

Stagwell's digital-transformation network anchored on Code and Theory, with YML, Kettle, and adjacent shops. Formed 2022.

Iconic creative advertising agency known for groundbreaking campaigns for Burger King, MINI Cooper, and other major brands, now operating as part of MDC Partners.

Deloitte is one of the 'Big Four' global professional services firms offering consulting, audit, tax, and advisory services with a significant and growing AdTech and marketing transformation practice.

AdParlor is a full-service digital advertising agency specializing in paid social media advertising across platforms like Meta, TikTok, Snapchat, and Pinterest. They provide campaign management, creative services, and performance optimization for brands and agencies. The company combines strategic planning with hands-on execution for social media advertising campaigns.

Adsmovil is the #1 Hispanic mobile ad network, MBE-certified, founded 2010 in Miami; its LatAm business was acquired by MiQ in March 2026 while the US business remains independent under founder Alberto Pardo.

AffiliateManager.com is a specialized full-service affiliate program management agency that serves as a strategic outsourcing partner for brands seeking to establish, scale, and optimize their affiliate marketing initiatives. The company provides comprehensive end-to-end management services that eliminate the need for brands to build in-house affiliate marketing expertise, offering dedicated account management, affiliate recruitment and vetting, performance optimization, compliance monitoring...

Experiential and creative production agency within the Havas Creative Network. Formerly known as Annex88.

Media network within Havas Media Group with international footprint.

US-based creative ad agency headquartered in Boston.

Spotify's in-house music consultancy for brands, launched February 2024. Pairs brands with artists/genres for campaigns; clients include Coca-Cola Coke Studio, Visa, Kona Big Wave. Operates under Spotify Advertising.

Barton F. Graf was a celebrated independent New York creative agency known for its irreverent, culturally sharp advertising work, particularly its iconic campaigns for Skittles and Little Caesars.

Sports-marketing agency acquired by Publicis Groupe 2025. Operates within sports + entertainment vertical.

Adswerve is a digital marketing and analytics consultancy specializing in Google Marketing Platform, cloud data solutions, and marketing technology implementation.

Bain & Company is a global management consulting firm, not primarily an AI/ML platform as described. Founded in 1973, Bain is one of the "Big Three" management consulting firms alongside McKinsey and BCG. The firm provides strategic advisory services to executives and boards of major corporations, private equity firms, and other organizations across various industries worldwide. Bain is known for its results-oriented approach and long-term client relationships. While Bain does leverage advan...

Boston Consulting Group is a global management consulting firm that provides advisory services to companies in the AdTech Platform space, helping them navigate the complex digital advertising landscape.

Breadnbeyond is a video production agency specializing in animated explainer videos, product demos, and marketing videos for businesses.

ConversionAdvocates is a leading Conversion Rate Optimization (CRO) agency based in London. They specialize in helping businesses improve their website's performance and revenue by implementing data-driven strategies to enhance user experience and conversion rates across various digital platforms.

Digitas is a global marketing and technology agency that combines data, creativity, and technology to deliver connected brand experiences across digital and traditional channels.

Explain Ninja is a video production agency specializing in creating animated explainer videos, product demos, and marketing videos for businesses.

Sparkhouse is a creative production and content studio specializing in video production, branded content, and digital media for advertising and marketing campaigns.

Vidico is a video production agency specializing in creating marketing and advertising videos for brands and businesses.

adam&eveDDB is a leading UK-based creative advertising agency known for iconic campaigns, including John Lewis Christmas ads, operating as part of the global DDB Worldwide network.

ADK Holdings is a major Japanese integrated advertising and marketing communications group offering full-service agency, digital media, and content solutions across Asia.

ADK Marketing Solutions is a Japanese integrated marketing and advertising agency offering digital advertising, creative, and data-driven marketing services across multiple channels.

ADK Media is a Japanese integrated advertising and marketing group offering end-to-end media planning, buying, and digital advertising solutions across Asia-Pacific markets.

AMV BBDO is one of the UK's most celebrated creative advertising agencies, known for iconic campaigns across major consumer brands and a consistent record of industry awards.

APCO Worldwide is a global public affairs and strategic communications consultancy helping corporations, governments, and organizations navigate complex reputational and policy challenges.

Asatsu-DK (ADK) is Japan's third-largest advertising agency, offering integrated marketing, media buying, and digital advertising services with strong ties to the anime and entertainment sectors.

Avenue A was a pioneering digital advertising agency and ad management platform that became one of the largest interactive agencies in the early 2000s before being rebranded as Razorfish.

BBDO Dublin is the Irish arm of the global BBDO advertising network, delivering integrated creative campaigns and brand strategy for major Irish and multinational clients.