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It started as software for online communities and became the company that told sales teams to stop cold-calling and start asking friends. The dinosaur was optional; the warm intro was the point.
FuseAI (operating as Fuse, tryfuse.ai) is a San Francisco-based, Y Combinator W25 startup building an AI-native sales platform for outbound revenue teams. It consolidates the fragmented GTM stack - contact data, waterfall enrichment, email and LinkedIn automation, deliverability infrastructure, a parallel dialer, and real-time buying signals - into one system where AI agents execute sales workflows from natural-language prompts. Founded in 2024 by CEO Saurav Bubber (former Deel GTM operator) and CTO Imogen Low (ex-SAP, co-founder of NWO.ai), Fuse aims to let one rep do the work of five.
Imagine AI is a San Francisco startup in Y Combinator's Fall 2025 batch that builds B2B content pipelines for sales-led companies. It creates deep AI personas from a team's transcripts and interviews, then produces LinkedIn posts, strategic comments, and SEO blogs in each person's voice, with a dedicated content engineer per account. The goal is 'content market fit' - content optimized for qualified pipeline instead of vanity metrics.
The Hog is a San Francisco startup from Y Combinator's Fall 2025 batch that packages people data, company data, web search, news, social signals, sentiment, and scraping behind a single pay-per-call API for AI agents and go-to-market teams. It routes each request through multiple data providers using waterfall logic, positioning itself as one endpoint that replaces a stack of tools like Clay, Apollo, Exa, and Tavily. Founded by growth operator Hudson Liao and AI engineer Paulo Nascimento, it aims to compress market research and outreach from hours into minutes.
Default is a New York-based go-to-market software company building the data and infrastructure layer that revenue teams - and their AI agents - use to run sales, marketing, and operations. It began as an all-in-one inbound platform for lead routing, scheduling, forms, and enrichment, then rebuilt itself around a real-time revenue data layer and an AI agent named Dot that plans and executes GTM work across a company's connected CRM, marketing, and enrichment systems. Backed by 8VC, Craft Ventures, and Jack Altman with $20M in total funding, Default serves fast-growing companies including Perplexity, Cortex, Owner, and Airbyte.
Pocus is an AI-powered product-led sales and revenue intelligence platform that helps go-to-market teams turn scattered product usage, CRM, and intent data into prioritized action. Founded in 2021 by Alexa Grabell and Isaac Pohl-Zaretsky, the San Francisco company tells sales reps which accounts to work, who to contact, and what to say by surfacing high-intent buying signals and generating AI account plans. Used by product-led companies including Asana, Canva, Miro, Monday.com and LaunchDarkly, Pocus raised $23M in seed and Series A funding backed by a16z and First Round Capital, and was acquired by Apollo.io in March 2026 to power Apollo's AI-native GTM operating system.
Scoot is a Dallas-based B2B software company that runs an AI sales platform built on top of a customizable virtual meeting environment. Founded in 2017 as Preciate and rebranded to Scoot in 2023, the company puts real-time AI agents inside sales meetings, webinars, and events to coach reps, engage buyers, qualify leads, and automate CRM follow-up. Led by founder and CEO Ed Stevens, Scoot pitches itself as a more engaging, brand-able alternative to static tools like Zoom and Microsoft Teams for go-to-market teams.
Vendelux is a New York-based, AI-native event intelligence platform that turns in-person B2B events into a measurable, pipeline-generating channel. It tracks a proprietary database of 250,000+ conferences and trade shows, matches a company's ideal customers and target accounts against real attendee data, books qualified meetings before the show, and attributes resulting pipeline back to specific events inside Salesforce or HubSpot. Founded in 2021 by Alex Reynolds and Stefan Deeran, Vendelux serves GTM teams at companies like Ramp, Coupa, Contentful and T-Mobile, and has raised roughly $71M across seed, Series A and a 2026 Series B.
1mind is a San Francisco AI company that builds photorealistic, voice-enabled 'Superhumans' - digital go-to-market teammates that combine a face, a voice and a product-trained brain to qualify leads, run live demos, join sales calls, handle objections and onboard customers 24/7 across websites, products, video calls and deal rooms. Founded by 6sense founder Amanda Kahlow and CTO Sachin Bhat, the company publicly launched in November 2025 with $40 million in total funding and is used by more than 45 B2B companies including HubSpot, ZoomInfo, Nutanix and New Relic.
Endgame is a San Francisco software company building an AI knowledge system for enterprise sales teams. It connects a company's CRM, emails, and call recordings with external sources like news, 10-Ks, and LinkedIn to do account research, meeting prep, deal inspection, and QBRs roughly 100x faster - aiming to turn every seller into a trusted advisor rather than a source of automated spam. Founded in 2021 by Alex Bilmes, the company first helped define the 'product-led sales' category before pivoting to an AI-native platform, and has raised about $47.5M from EQT Ventures, Menlo Ventures, Upfront Ventures, and Unusual Ventures.
Monaco is an AI-native sales platform - billed as 'the first revenue engine for startups' - that replaces the usual patchwork of CRM, outbound tools, and pipeline software with a single system. Founded in 2025 by former Brex CRO Sam Blond alongside his brother Brian Blond, Abishek Viswanathan, and Malay Desai, Monaco builds a company's total addressable market, runs outbound, captures every call and email, and manages pipeline using AI agents paired with embedded human sales experts. It launched from stealth in February 2026 and, three months later, raised a $50M Series B led by Benchmark, pushing total funding past $85M.
Redrob is an AI company building large language models and go-to-market tools for sales, recruitment, and prospecting. Its platform combines a 700M+ contact data pool, verified emails, and real-time buying signals to help B2B teams find prospects, automate outreach, and screen talent. Founded by former international lawyer Felix Kim, Redrob positions itself as an affordable, enterprise-grade AI stack for emerging markets and cost-conscious companies, and aims to become one of the world's most-used LLM platforms by 2028.
Revenoid is a San Francisco and Carrollton, Texas-based AI company that builds a 'system of intelligence' for enterprise go-to-market teams. Formerly known as EvaBot, the company pivoted from AI-driven corporate gifting to a suite of AI sales agents that continuously monitor thousands of accounts for buying signals, prioritize them with a pain-based scoring engine called UrgencyIQ, and automate account research, prospecting briefs, meeting prep and personalized outreach directly inside existing GTM stacks like Salesforce, HubSpot, Outreach and Salesloft. Founded by CEO Rabi Gupta, the company raised a $10.83M Series A led by Comcast Ventures in 2022.
CharacterQuilt is a San Francisco AI-native marketing company that turns a written brief into a fully designed, on-brand campaign deployed straight into the tools a team already uses - HubSpot, Marketo, LinkedIn Ads and more. Built by founders who first ran a full-stack marketing agency, its computer-use agents handle the roughly 80% of campaign work that is operations: pulling and enriching audience data, generating creative against brand guidelines, and pushing it live. Work that used to span three agencies, ten tools and six weeks is designed and shipped in about an hour, with a human reviewing and approving every step.
Surfe is a connected revenue workspace that bridges LinkedIn and CRMs so sales teams can find, enrich, and sync prospect data without leaving their browser. Its browser extension and waterfall enrichment engine chain 15+ data providers to deliver verified emails and mobile numbers, and its buying-signal layer flags which prospects are ready to talk today. Founded in Paris in 2020 as Leadjet by David Maurice Chevalier and Romain Ginestou, the company rebranded to Surfe in 2022 alongside a EUR4M seed round, and now serves teams at companies like Google, Uber, Amazon Web Services, Spendesk, and Pigment.
Octave is a San Francisco-based AI company building a generative go-to-market platform - an 'agentic GTM brain' that codifies a company's ICP, positioning and messaging, then feeds that context to sales agents, workflows and tools like Clay, Salesforce and HubSpot. Founded in 2022 by Zach Vidibor and Julian Tempelsman, it has raised $8.4M total and reports 2,500+ GTM teams on the platform.
Oliv AI is a San Francisco software company building a team of AI agents for revenue organizations. Instead of asking sales reps to log calls, update the CRM, and prep for meetings, Oliv's agents capture deal intelligence automatically from every meeting, call, and email, then keep Salesforce and HubSpot accurate, score deals against methodologies like MEDDICC and BANT, forecast pipeline, and coach reps. The pitch is blunt: grow revenue without growing headcount by letting agents own responsibilities end-to-end, not just complete one-off tasks.
Seismic is a San Diego-based enablement software company whose AI-powered Enablement Cloud helps sales and marketing teams find, personalize, and deliver the right content to buyers, then coach reps and measure what actually moves deals. Founded in 2010 and now serving roughly 2,000 organizations, it sits at the center of the go-to-market software stack and, in early 2026, agreed to merge with rival Highspot under the Seismic name.
Crayon is a Boston-based competitive intelligence software company that helps businesses track, analyze, and act on what their competitors are doing. Its platform automatically captures market movements from hundreds of millions of sources, then turns that raw signal into battlecards, alerts, newsletters, and AI-generated talk tracks that sales, marketing, product, and executive teams use to win more deals. Founded in 2015 by former HubSpot executive Jonah Lopin, Crayon has raised roughly $38 million and serves 500+ customers including Dropbox, Gong, Zendesk, Intuit, and ZoomInfo.
Tofu is an AI-powered, omnichannel marketing platform for B2B go-to-market teams. It consolidates the sprawling martech stack into one workspace, generating and repurposing hyper-personalized content across channels so enterprise marketers can launch integrated campaigns roughly 8x faster. Founded in 2023 and based in San Mateo, California, Tofu plugs into existing tools like HubSpot and Salesforce rather than replacing them.
11x builds autonomous AI 'digital workers' for go-to-market teams - software agents like Alice, an AI sales development rep, and Jordan, a multilingual AI phone rep. Founded in 2022 and based in San Francisco, the startup raised a $50M Series B from Andreessen Horowitz in late 2024 at a roughly $350M valuation. After turbulence around customer claims and culture, founder Hasan Sukkar stepped down as CEO in May 2025 and CTO Prabhav Jain took over.

Orange Slice AI (YC S25) is an AI-powered sales intelligence platform that uses real-time web signals to find high-intent prospects for B2B sales teams. Co-founded by Kishan Sripada and Vihaar Nandigala — who met on a Bollywood dance team at the University of Michigan — the platform lets sales teams generate targeted lead lists using plain English, enrich existing lists with live data, detect niche buying signals before competitors, and manage pipelines through conversation. Backed by $5.3M in seed funding co-led by 1984 Ventures and Moxxie Ventures, with Paul Graham as an angel investor, Orange Slice has attracted 5,000+ sales and RevOps teams including Oracle, Confido Health, Pirros, and Glass Health.

Harper (YC W25) is an AI-native commercial insurance brokerage that turns the $100B+ industry of email and spreadsheets into a fully autonomous engine for Main Street America. Co-founded by Dakotah Rice and Tushar Nair — two Goldman Sachs alumni who swore they'd never work in insurance — Harper uses its internal AI platform, Harper Hub, to automate form completion, carrier matching across 160+ carriers, underwriter follow-ups, and client communications. The result: 1–2 day quotes instead of 5–7, 85% success rate on traditionally 'uninsurable' cases, 5,000+ businesses covered across 35 states, and 1,000+ customers handled per month versus 20–30 for a typical human brokerage. Backed by $54M in total funding led by Emergence Capital, Peak XV, and Y Combinator. Named after Dakotah's mother's maiden name.