Apollo.io
Making world-class go-to-market accessible to everyone.
879 employees · est. 2015 · San Francisco, United States
trumpet 🎺
Collaborate with your buyers in one centralised and trackable digital space, from first call to deal close and beyond.
72 employees · est. 2021 · London, United Kingdom
Apollo.io is the older company (2015 vs 2021); Apollo.io is the larger of the two.
Side-by-Side Comparison
| Metric | Apollo.io | trumpet 🎺 |
|---|---|---|
| Founded | ||
| Founded | 2015 older | 2021 |
| Headquarters | ||
| Headquarters | San Francisco, United States | London, United Kingdom |
| Employees | ||
| Employees | 879 larger | 72 |
| Industry | ||
| Industry | Marketing | Automation, SaaS, Marketing |
| Funding Stage | ||
| Funding Stage | Series D | Seed |
| Total Funding | ||
| Total Funding | $251.20M | $7.80M |
| Funding Rounds | ||
| Funding Rounds | 6 | 3 |
| Services | ||
| Services | Outbound Prospecting, Inbound Lead Management, Data Enrichment, Deal Execution, CRM Integration, AI Assistant & Automation, Analytics & Reporting | Digital Sales Room, AI Smart Enablement, Content Management, Collaboration Suite, Proposals & Quotes, Data Insights & Signals, Video & Micro Demos |
| Target Customers | ||
| Target Customers | Sales Leaders, Account Executives, Sales Development Representatives, Revenue Operations, Marketers, Founders | Revenue Teams, Sales Development Representatives (SDRs), Account Executives, Customer Success Managers, Account Managers, Chief Revenue Officers, Partnerships Managers |
| Taxonomy | ||
| Taxonomy | AI GTM System, B2B Contact Database, Sales Engagement, Lead Generation, Predictive Analytics, Lead Scoring, Sales Strategy, Conversation Intelligence, Sales Enablement, Lead Routing, Sales Development, Email Engagement, Revenue Intelligence, Sales Intelligence, Prospecting | Digital Sales Rooms, AI-powered Workspace, Revenue Enablement, Sales Collaboration, Buyer Experience, Sales Intelligence, GTM Strategy, Sales Automation, B2B Solutions, Sales Optimization, Account Management, Deal Acceleration, Onboarding Automation |
| Website | ||
| Website | apollo.io | sendtrumpet.com |
About Apollo.io
Apollo.io, founded in 2015 and headquartered in the United States, is gaining traction in the Marketing industry by making world-class go-to-market accessible to all. Its innovative AI GTM system integrates data, intelligence, and execution, providing businesses with a seamless solution to identify...
About trumpet 🎺
trumpet 🎺, established in 2021 and headquartered in the United Kingdom, presents a transformative innovation in the Automation, SaaS, Marketing, CRM, and Sales industries with its Intelligent GTM Layer. The company's flagship feature, Digital Sales Rooms, integrates content, collaboration, and inte...
We will tell you when either one moves
BounceWatch watches Apollo.io and trumpet 🎺 for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Apollo.io and trumpet 🎺 — by email.
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Compiled from the BounceWatch company index. We last looked at Apollo.io on 7 Sep 2026, and trumpet 🎺 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.