Top Toronto, Ontario AdTech Companies (57)

Together, we power advertising that enables billions of people to stay informed, entertained, and connected. We introduce them to new ideas, products, and services that make their lives better. And we help media owners of all sizes realize their full potential. That’s a lot — that’s the power of advertising. But it’s only possible with great technology. And that’s where Magnite...

Fluent, Inc. (NASDAQ: FLNT) is a commerce media solutions provider connecting top-tier brands with highly engaged consumers. Leveraging diverse ad inventory, robust first-party data, and proprietary machine learning, Fluent unlocks additional revenue streams for partners and empowers advertisers to acquire their most valuable customers at scale. Founded in 2010, Fluent uses its deep expertise in performance marketing to drive monetization...

KM is an award-winning global B2B information provider with 400+ employees working on around 25 websites, 14 magazine titles and 60 annual events in Canada, Australia, USA, UK, New Zealand and Philippines. Our products operate across key business verticals including Financial Services, Legal, Education, Property and Human Resources, bringing product providers and business communities together through print media, events and...

StackAdapt is a self-serve advertising platform that specializes in multi-channel solutions including native, display, video, connected TV and audio ads.

Representing top talent across North America @dulcedomodels @dulcedoinfluencers @dulcedosports

About Teads Outbrain Inc. (Nasdaq: OB) and Teads S.A. combined on February 3, 2025 and are operating under the new Teads brand. The new Teads is the omnichannel outcomes platform for the open internet, driving full-funnel results for marketers across premium media. With a focus on meaningful business outcomes, the combined company ensures value is driven with every media dollar by...

Index Exchange is a global advertising supply-side platform enabling media owners to maximize the value of their content on any screen. As a trusted partner and ally, we connect leading experience makers with the world’s largest brands to ensure a quality experience for consumers. We’re a proud industry pioneer with over 20 years of experience accelerating the ad technology evolution....

Hotspex Media is the #1 ranked media buying and planning agency, as reviewed by clients on Clutch.co. The company was also recently named among the Ad Age's best places to work 2023 and the 103rd fasted growing tech company in North America, per Deloitte #Fast500. Operating as a trading desk, Hotspex Media serves as strategic media planners for brands and...

For over 20 years, Passport has partnered with those looking to challenge their category. To think, create and activate. To rebrand and reinvigorate with new stories, and to inspire consumers to press forward. From global brands to start-ups, it's the vision we share. Just like us, they’ve got a hunger for bold new thinking and partnerships that can move the...

William Thomas Digital is a purpose-built, connected experiences and tech-enablement agency, we offer services that span the lifecycle — at-scale. From inboxes to in-store, campaign amplification to app design, persona development to AI-enabled efficiencies, we bring specialized expertise to every inch of your personalized experience ecosystem and technology-enabled workflow. Purpose Built. Strategy Led. Technology Enabled. Independently Owned. Internationally Recognized. Driven...

From insight to result, we close the gap between you and your audience through evidence-based marketing and technology. Certified B Corp.

Funday is your strategic & creative partner. We believe you won’t perform at your best if you’re not having fun. And you can’t have fun if you’re not performing. We believe that this creates the best client + agency relationships, and the best way to make great work.

WPP is a creative transformation company. We use the power of creativity to build better futures for our people, planet, clients and communities.

Procter & Gamble Company is an American multi-national consumer goods corporation. P&G was founded over 180 years ago as a soap and candle company. Today, we’re the world’s largest consumer goods company and home to iconic, trusted brands, including Always®, Charmin®, Braun®, Fairy®, Febreze®, Gillette®, Head & Shoulders®, Oral B®, Pantene®, Pampers®, Tide®, and Vicks®. The design, development, growth and success...

Since 1988, the culture at AMMEX is built around core values of customer focus, ownership, innovation, and continuous optimization and improvement. We believe that great people and partners make AMMEX a great company, and that our commitment to the customer consistently drives outstanding results

Out there, in the streets, ad space intersects time and place. It’s a part of life. OOH campaigns inform, entertain, attract - and they can change the course of someone’s afternoon. At Vistar Media, we facilitate that serendipity hundreds of thousands of times a day. Our goal is simple: to help marketers leverage OOH’s unique ability to motivate and delight....

HexaClicks is a white-label AI and digital fulfillment agency built to support agencies, coaches, and consultants as their behind-the-scenes growth partner. We operate as an extension of your team—handling SEO, performance marketing, funnels, CRM setup, GoHighLevel automations, AI workflows, and technical delivery under your brand. Our systems are process-driven, scalable, and focused on measurable outcomes like lead quality, conversion rates, retention,...

Sampler is the leading Direct-to-Consumer product sampling platform helping brands like L'Oréal and Nestlé deliver samples online and gather the insights they need to build one-to-one relationships with consumers. Sampler has worked with over 900 brands in 24 countries, and has built a reach of over 59M consumers. Its most notable clients include CPG industry giants Unilever, Pepsi, Henkel, and...

Mark IV is an In-store solutions partner, specializing in the creative development and flawless execution of consumer marketing, sales and corporate initiatives for consumer packaged goods, retail and foodservice industries. As a go-to-market specialist with intense executional experience, we are the outsourced Marketing Services Partner for some of Canada's leading CPG companies. From concept to execution, we bring strategic ideas...

Sabio is a leading Connected TV (CTV) advertising platform built to help brands reach, engage, and validate streaming audiences. Designed for an evolving media ecosystem, our solution takes a data-driven and personalized approach to reaching streaming audiences at scale. Founded in 2014 by veterans in the mobile and TV industries, Sabio has offices in Los Angeles, New York, Detroit, Chicago,...