170+ Top Series B Startups
A curated list of Series B companies with top-VC backing.
This is the second installment of a multi-part series showcasing thousands of top startups organized by funding stage. Following our Series A list, we’re now sharing Series B companies with quick 5-10 word descriptions, Series B raise amounts, employee counts, and industry tags for each. All companies are listed alphabetically for easy reference.
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11x (SF), AI digital workers for sales and marketing automation, $50M, 201-500 employees, AI
Agentio (NYC), Creator led advertising automation platform, $40M, 11-50 employees, Media & Content; AI
AirOps (SF), Content engineering platform for AI search, $40M, 51-200 employees, Media & Content; AI
Aleph (NYC), Real-time financial planning and forecasting automation platform, $29M, 51-200 employees, Fintech
Alice & Bob (Paris), Fault-tolerant quantum computing systems, $104M, 51–200 employees, Hardware & Robotics
Antares (LA), Compact nuclear microreactor energy systems, $96M, 51-200 employees, Climate & Energy; Industrial & Manufacturing
April (NYC), Embedded year round tax intelligence platform, $38M, 51-200 employees, Fintech
Apron (London), SMB invoice workflow and payments automation platform, $30M, 51–200 employees, Fintech
Assembled (SF), AI agents for customer support and workforce planning, $51M, 51-200 employees, AI
Assort Health (SF), Generative voice AI for healthcare providers, $76M, 51-200 employees, Healthcare; AI
Atlas (SF), Concierge credit card for seamless lifestyle spending, $27M, 11-50 employees, Fintech; Travel & Hospitality
Augment Code (Palo Alto), AI-powered code completion and development tool, $227M, 51-200 employees, AI Infra & DevTools
Ben (London), AI powered employee benefits management platform, $27.5M, 51-200 employees, HRTech & Future of Work; AI
Black Forest Labs (Berlin), Frontier AI research and generative models lab, $300M, 51-200 employees, AI
Blackbird (SF), Restaurant loyalty and VIP rewards platform, $50M, 51–200 employees, Consumer; Fintech
Bland (SF), AI phone calling infrastructure and platform, $65M, 51-200 employees, AI; AI Infra & DevTools
Bonfire Studios (LA), Independent video game developer crafting thrilling games, $15M, 51-200 employees, Media & Content; Consumer; AI
Browserbase (SF), Platform for hosting and monitoring headless browsers, $40M, 11-50 employees, AI Infra & DevTools
Butlr (SF), Anonymous people sensing and occupancy detection platform, $38M, 51-200 employees, AI; Hardware & Robotics
Camber (NYC), Healthcare reimbursement system reducing administrative burden, $30M, 51-200 employees, Healthcare
Campfire (SF), AI native ERP for finance operations, $65M, 51-200 employees, Fintech; AI
Campus (NYC), Accredited career-focused degree programs for adult learners, $46M, 201-500 employees, Education
Cape (Washington), Privacy-enabling device security and anonymity technology, $40M, 51–200 employees, AI Infra & DevTools; Legal & Gov
Cartesia (SF), Interactive ubiquitous artificial intelligence platform, $100M, 51-200 employees, AI
Chai Discovery (SF), AI model for protein and drug discovery, $130M, 1-10 employees, Healthcare; AI
Clair (NYC), Digital banking platform with instant pay features, $23.2M, 51-200 employees, Fintech
Clear Street (NYC), Cloud-native clearing and custody infrastructure, $270M, 501+, Fintech
Coast (NYC), Fleet fuel card and expense management platform, $40M, 51–200 employees, Fintech; Industrial & Manufacturing
Comulate (SF), Accounting automation for enterprise finance teams, $20M, 11-50 employees, Fintech
Cradle (Amsterdam), AI driven protein design and discovery, $73M, 51-200 employees, Healthcare; AI
Crux (NYC), Capital markets software for clean energy, $50M, 51-200 employees, Fintech; Climate & Energy
