Firsthand vs pubX
Firsthand
AI-powered Brand Agents built for marketers and publishers
52 employees · est. 2023 · New York, United States
pubX is the older company (2023 vs 2020); Firsthand is the larger of the two.
Side-by-Side Comparison
| Metric | Firsthand | pubX |
|---|---|---|
| Founded | ||
| Founded | 2023 | 2020 older |
| Headquarters | ||
| Headquarters | New York, United States | London, United Kingdom |
| Employees | ||
| Employees | 52 larger | 44 |
| Industry | ||
| Industry | AI, Information Technology, Marketing | AI, Advertising, Marketing |
| Funding Stage | ||
| Funding Stage | Series A | Seed |
| Total Funding | ||
| Total Funding | $32.60M | $500.00K |
| Funding Rounds | ||
| Funding Rounds | 2 | 3 |
| Services | ||
| Services | AI-powered Brand Agent Platform, Consumer Interaction Analytics, Data Control and Security Solutions, Brand Engagement Strategies | AI-driven publisher monetization, Real-time campaign optimization, Access to premium advertiser demand, Publisher and advertiser solutions, AdOps Tools, Publisher inventory evaluation and segmentation, Autonomous AI advertising marketplace |
| Target Customers | ||
| Target Customers | Marketers, Publishers, Brands seeking advanced consumer engagement, Businesses looking for AI integration in marketing | Publishers, Advertisers, Agencies |
| Taxonomy | ||
| Taxonomy | AI-powered Brand AgentsDigital Advertising TechnologyConsumer EngagementReal-time Information AccessibilityAI-driven Marketing SolutionsData And Knowledge Rights Management +9 | Advertising MarketplaceProgrammatic AdvertisingAgentic TechnologyData-driven SolutionsFirst-party DataDynamic Floor Pricing +8 |
| Website | ||
| Website | firsthand.ai | pubx.ai |
About Firsthand
Firsthand is revolutionizing marketing and consumer engagement through its innovative AI-powered Brand Agents. Their platform empowers marketers and publishers to interact with consumers dynamically and in real-time, regardless of the medium—whether it’s through owned properties or paid media. This...
About pubX
pubX, founded in 2020 and headquartered in the United Kingdom, is revolutionizing the advertising industry with its slogan: "Agentic Advertising. Built on Trust." Specializing in AI, Advertising, and Marketing, the company offers an end-to-end advertising marketplace that connects publishers and adv...
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Compiled from the BounceWatch company index. We last looked at Firsthand on 16 Feb 2026, and pubX on 29 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
