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Companies

3,695 companies in the AdTech ecosystem

Republica Havas

Republica Havas

Multicultural Marketing & Advertising

Multicultural marketing agency within the Havas Creative Network. Spawned the Republica Havas Health joint unit in 2022.

Marketing AgencyMiami, Florida
R

Research Now SSI

Acquired

Market Research Data & Consumer Insights

Global market research and data collection company providing survey respondents and consumer insights through online panels.

Data & AnalyticsVerification & MeasurementPlano, Texas
R

Resource/Ammirati

Merged

Digital Agency

Columbus OH (with Chicago + NYC) digital agency acquired by IBM February 2016 and rebranded into IBM iX. LinkedIn directory entries persist as "Resource/Ammirati, An IBM Company" but brand is effectively retired. Sources: IBM newsroom + Ad Age IBM iX profile. ⚠ Exact sunset date not cleanly documented — well-corroborated structurally as folded into iX.

Responsys

Responsys

Marketing Automation / MarTech

Enterprise email and cross-channel marketing automation platform acquired by Oracle in 2013, now part of Oracle Marketing Cloud.

Email MarketingMarketing CloudSan Bruno, California
R

Resso

Defunct

Music Streaming / Digital Media

Music streaming service launched 2020. Shut down in Brazil/Indonesia September 2023 (replaced by TikTok Music), shut down in India January 31, 2024 after Indian gov forced removal from app stores.

Beijing, Beijing
Resulticks

Resulticks

Marketing Technology (MarTech) - Customer Data Platform and Marketing Automation

Resulticks is an enterprise-grade marketing technology platform that specializes in real-time customer data management and omnichannel marketing automation for large-scale organizations. The platform serves as a comprehensive marketing operations hub, combining a robust Customer Data Platform (CDP) with advanced marketing automation capabilities to enable businesses to orchestrate highly personalized customer experiences across multiple channels including email, SMS, mobile push, social media...

Customer Data PlatformMarketing Automation
R

Results by OpenX

Programmatic Advertising / Ad Curation

OpenX's AI-driven curation platform — improved cost-per-acquisition by 11x in early ad campaigns. Launched May 21 2025.

Demand Side Platform (DSP)Performance MarketingPasadena, California
Retail Rocket

Retail Rocket

E-commerce Personalization & Analytics

Retail Rocket is a specialized technology provider focused on delivering advanced personalization and analytics solutions for the e-commerce industry. The company's platform utilizes sophisticated machine learning algorithms and predictive analytics to enable online retailers to create highly personalized shopping experiences that drive measurable business outcomes. By analyzing customer behavior patterns, shopping preferences, and purchase intent in real-time, Retail Rocket empowers e-commer...

Data & AnalyticsE-commerce Marketing
R

RetailMeNot

Performance Marketing / Affiliate Advertising

RetailMeNot is a digital savings destination connecting consumers with retailers, restaurants, and brands through coupons, cash back offers, and promotional codes.

Retail MediaPerformance MarketingAustin, Texas
Retargeter

Retargeter

Acquired

Programmatic Display Advertising / Retargeting

RetarGeter was a pioneering retargeting and programmatic display advertising platform that helped brands re-engage website visitors through targeted ad campaigns across the web.

E-commerce MarketingPerformance MarketingSan Francisco, California
Retency

Retency

Marketing Automation & Customer Retention

Marketing AnalyticsMarketing Automation
Retently

Retently

Retently is a customer feedback and Net Promoter Score (NPS) software designed to help businesses collect, analyze, and act on customer insights. It provides tools for creating various surveys, managing feedback, and improving customer loyalty and retention.

Marketing AnalyticsCustomer Engagement
Retina

Retina

Marketing Analytics & Customer Intelligence

Retina AI is a predictive analytics platform that helps businesses understand and predict customer lifetime value (CLV). They leverage AI and machine learning to provide actionable insights, enabling companies to optimize marketing spend and improve customer acquisition and retention strategies.

Attribution & AnalyticsCustomer Data PlatformSan Francisco, California
R

Retune DSP

Demand-Side Platform (DSP)

Retune DSP is a demand-side platform providing programmatic advertising solutions for digital marketers and agencies.

Demand Side Platform (DSP)
R

Reuters

News Media & Content Syndication

Reuters is a global news and information services provider owned by Thomson Reuters, delivering trusted journalism, data, and media content to professionals and publishers worldwide.

Data & AnalyticsContent DiscoveryLondon, England
Rev

Rev

Speech-to-Text Services / Transcription Technology

Rev is an AdTech Platform that provides a suite of advertising and marketing tools to help businesses reach and engage their target audience.

Content DiscoverySan Francisco, California
Revcontent

Revcontent

Native Advertising / Content Discovery

Revcontent is a leading native advertising and content recommendation platform connecting publishers and advertisers through high-quality, engaging ad experiences.

Native AdvertisingAd NetworkSarasota, Florida
Reveal

Reveal

Email Monetization & Audience Engagement

Email MarketingNative AdvertisingNew York, New York
Reveal Mobile

Reveal Mobile

Location Intelligence/Mobile Advertising

Reveal Mobile is a leading location intelligence platform that helps businesses leverage real-world consumer behavior for marketing and business insights. Their platform provides tools for audience segmentation, competitive analysis, and campaign measurement, enabling data-driven decisions.

Data & AnalyticsAttribution & AnalyticsBirmingham, Alabama
R

Revealbot

Social Media Advertising Automation

Revealbot is an automation and optimization platform for social media advertising, primarily focused on Facebook, Instagram, Google, TikTok, and Snapchat campaigns.

Social Media ManagementPPC ManagementSan Francisco, California
Reverb

Reverb

Acquired

E-commerce Marketplace

Online marketplace for buying and selling new, used, and vintage musical instruments and gear, connecting musicians and music retailers globally.

Commerce TechnologyMarketplace TechnologyChicago, Illinois
Reviewbox

Reviewbox

E-commerce Technology / Reputation Management Software

Reviewbox is a software-as-a-service (SaaS) platform specializing in comprehensive customer review management solutions for e-commerce businesses. The platform serves as a centralized hub that aggregates customer reviews from multiple sources—including proprietary websites, major marketplaces like Amazon, Google Business profiles, and social media platforms—into a single unified interface. This consolidation enables online retailers to maintain consistent brand reputation, respond promptl...

Commerce TechnologyE-commerce Marketing
Revive Adserver

Revive Adserver

Ad Serving

Ad Server
RevX

RevX

Mobile App Marketing & User Acquisition

RevX is an app marketing platform that specializes in programmatic user acquisition and retargeting for mobile apps. The platform uses machine learning to optimize campaigns across multiple channels and focuses on performance-driven mobile app growth.

Mobile Ad PlatformBengaluru, Karnataka