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SmartKarrot
The Dallas software company wants customer success teams to stop firefighting churn - and start engineering growth from the accounts they already have.
ZapScale
The easiest customer success platform for B2B SaaS companies - built by founders who learned churn the hard way, now betting that customer success software should take minutes to set up, not months.
EverAfter
One branded hub for onboarding, adoption, QBRs and renewals, personalized per account and orchestrated by AI.
Custify
Leading CS teams aren't working harder. They have AI agents doing the heavy lifting.
Cast.app
Automate your Customer Success. Drive onboarding, usage, & adoption. Minimize account & revenue churn. Influence renewals & revenue expansion. Stream referrals from promoters. Scale without scaling teams.
Paloma (YC S25)
Paloma is an AI-native CRM built for everything that happens after a deal closes. Founded in 2025 by a team of former Deel operators, it pulls contracts, communications, usage data and notes into one shared source of truth so revenue, success and finance teams can spot upsells and churn risk early - and turn messy contract terms into billing that runs on its own. It was part of Y Combinator's Summer 2025 batch.
Gainsight
Gainsight is a San Francisco-based enterprise software company that pioneered the customer success software category. Its platform helps B2B and SaaS companies retain customers, drive product adoption, and grow recurring revenue by unifying customer data, surfacing account health and churn risk, and orchestrating the post-sale journey. Founded in 2009 and led for over a decade by Nick Mehta, Gainsight serves more than 2,000 companies and, following its 2020 majority acquisition by Vista Equity Partners at a $1.1 billion valuation, has moved aggressively into human-first, agentic AI with products spanning customer success, product experience, communities, education, and its Staircase AI customer intelligence layer.
Totango
Totango is an enterprise customer success and customer-led growth platform that helps companies monitor customer health, reduce churn, and grow recurring revenue. Founded in 2010 and headquartered in New York, it pioneered the customer success software category, connecting all of a company's customer data into a single view so post-sale teams can act on risks and expansion opportunities. In 2024 Totango merged with Catalyst under Great Hill Partners to form a combined customer growth powerhouse used by roughly 600 organizations including SAP, Google, Zoom, and GitHub.