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ResponsiveAds
Techstars '16New York City, US · Founded 2012 · 37 employees on LinkedIn · 2 known investors
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ResponsiveAds provides a design platform for creating responsive digital advertisements that automatically adapt to different screen sizes and formats. The company serves marketing teams and designers who need to produce high-performing ad creatives at scale across multiple channels and platforms.
Also known as ResponsiveAds, Inc. · ResponsiveAds™ Inc.
Founders & leadership
ResponsiveAds was founded in 2012 by Matthew Snyder.
Investors · 2
How we know: the Techstars portfolio · open dataset · Top 3000 Accelerator Startups (no YC) 2026-08 · Not right? Tell us
Company profile
researched Sep 2026ResponsiveAds is an advertising technology company that builds creative automation software for producing, resizing and serving responsive HTML5 display and video advertising. Its core technology, described as Fully-Fluid, produces HTML5 creatives that can be delivered as a single tag and adapt to any ad slot across devices, removing the need for fixed break-points or separate size-by-size production. The platform supports formats across web, mobile, digital out-of-home, retail media and connected TV, and includes dynamic creative optimization and deep-linking analytics.
The product line is organized into Creative Studio 4 (including the Fluid Ad Creator, an exporter for HTML5 .ZIP and social formats, and rich-media ad serving), Creative Optimizer (analytics, variant system and rules-based conditions for data- and feed-driven personalization), Creative Services, a Creative Marketplace for templates, components, assets and partner listings, and a creative management and sales toolkit covering showcases, previews, proofing and approvals. Use-case template families cover shoppable ads, branded and sponsored content, in-banner video and 360, data capture (lead generation, surveys, polls, quizzes), playable formats, audio and AR.
The company publishes case studies with publishers and agencies including NBCUniversal (shoppable units integrated with NBCU Checkout across E!, Telemundo, SYFY, NBC Sports, TODAY and Bravo), Golf.com and PING via the agency Assembly using IAB flexible banner formats, and Caviar/DoorDash content on The Infatuation using a location-based native shoppable format.
Founding story
The founders, described as experts in mobile design, observed from 2007 that designers could not produce the many interactive creative variants required for every screen and format within campaign deadlines without sacrificing quality. Matthew Snyder, Jani Hartikanen and Matti Lehto responded by launching ResponsiveAds in 2013 with a toolkit built around a patented Fluid framework, rapid versioning capability and the Flowline formatting system intended to let a designer generate unlimited sizes of a fluid creative quickly.
Business model
ResponsiveAds sells creative automation technology through a combination of self-serve SaaS access to its Creative Studio and full-service creative production. Offerings span the Creative Studio (fluid ad builder, exporter, ad serving), Creative Optimizer (analytics, variant system, conditions table), a Creative Marketplace for paid and free templates, components and assets, creative services (concepting, development, custom templates and formats), and a creative management and sales toolkit with previewing, proofing and collaboration features. Ads can be served directly by ResponsiveAds via a single tag or exported to other platforms and channels.
Revenue is derived from its software platform (self-serve and full-service creative automation), rich-media ad serving, paid templates, components and assets sold through the Creative Marketplace, and creative services such as production, development and consulting.
Traction
Published case studies report campaign outcomes with NBCUniversal, Golf.com/PING via Assembly, and Caviar (DoorDash) on The Infatuation, including click-through and engagement multiples over industry benchmarks and viewability rates of 65.85%–85.77% in specific campaigns. A third-party profile cites a track record of billions of impressions, estimated annual revenue of $10M–$25M and about 37 employees as of August 2026.
Latest developments
Recent product activity includes the Fluid Ad Creator with Creative Studio 4 (June 2024), a Star Wars-themed demo of the Fluid 250 Full-Bleed Video Template (May 2025), the Store Map Locator dynamic creative template (November 2025) and a collaboration with iDream and Nobellum reported in June 2026.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
A third-party company profile characterizes ResponsiveAds as a mid-sized advertising services company with revenue estimated in the $10M–$25M range as of August 2026 and roughly 37 employees, and lists AdButler, Celtra, DoubleClick, OpenX and Adform as similar companies. The company describes itself as a leader in high-impact edge-to-edge ad formats and as a provider for publishers monetizing owned-and-operated inventory.
ResponsiveAds positions its patented Fluid framework, rapid versioning and Flowline formatting system as enabling a single fluid master design to fill any ad space edge-to-edge without break-points, in contrast with producing discrete fixed-size variants. Third-party profiling describes its differentiators as fully-fluid HTML5 assets, omnichannel creative automation, single-tag ad serving and a template library, with the company citing billions of impressions and performance multiples over standard IAB formats.
Technology
The platform is built on a patented Fluid framework and Flowline formatting system that generate fully responsive HTML5 creatives deliverable as a single tag and able to fill any ad slot without break-points. Capabilities include importing an Adobe Photoshop file or a single master design to scale sizes, formats and variants; dynamic creative optimization driven by data feeds and rules based on language, weather and location; APIs; export to HTML5 .ZIP and social formats; rich-media ad serving; and deep-linking analytics and reporting. A third-party profile lists its operational tech stack as including Amazon Web Services, MongoDB, WordPress, Xero, CookieYes, Sketch, Drift and Adobe Creative Suite.
Go-to-market
ResponsiveAds markets both self-serve sign-up ("Start Designing") and booked demos and full-service engagements, supported by published case studies, showcases, whitepapers, a blog and an academy. It segments its site by organization type (publishers, agencies, brands) and by role (designers, ad operations, sales and marketing, development), and works through service and technology partners listed in its Creative Marketplace. A third-party profile notes partnership-led growth, citing collaborations such as iDreamadream.
Brands (including direct-to-consumer advertisers), advertising agencies and publishers, and within those organizations designers, ad operations teams, sales and marketing teams, and developers.
Geography
The company lists a U.S. office at 60 Broad Street, 24th Floor #1505, New York, New York 10004, and a Canadian office at 400-601 W. Broadway, Vancouver, British Columbia. A third-party profile states its employees are spread across North America, Europe and Asia.
History
According to the company, the founders identified a gap in the digital advertising market in 2007 between designers producing high-performing creative and an ecosystem demanding fast display ad production at scale. Matthew Snyder, Jani Hartikanen and Matti Lehto launched ResponsiveAds in 2013, combining a patented Fluid framework, rapid versioning and the Flowline formatting system. Product milestones since include the Creative Marketplace in June 2022, the Fluid Ad Creator within Creative Studio 4 in June 2024, a Fluid 250 Full-Bleed Video Template demo in May 2025 and the Store Map Locator template in November 2025.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Related companies · 2
Companies working in the same space as ResponsiveAds.
Timeline · 5
launches, deals, and filingsA collaboration between iDream, Nobellum and ResponsiveAds was announced.
ResponsiveAds released the Store Map Locator dynamic creative template.
The company released a Star Wars-themed demo advertisement demonstrating its Fluid 250 Full-Bleed Video Template for storytelling formats across the open web.
ResponsiveAds unveiled the Fluid Ad Creator within Creative Studio 4, aimed at omnichannel digital ad creation and creative automation.
ResponsiveAds launched its Creative Marketplace for ad templates, components and assets, together with several technology and service partners.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- ResponsiveAdsresponsiveads.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does ResponsiveAds do?
- Ad tech company whose fluid HTML5 platform automates creation, resizing and serving of responsive display and video ads.
- Who founded ResponsiveAds?
- ResponsiveAds was founded by Matthew Snyder in 2012.
- Who are ResponsiveAds's investors?
- ResponsiveAds's investors include SFU VentureLabs, Techstars.
- Where is ResponsiveAds headquartered?
- ResponsiveAds is headquartered in New York City, US.