retention
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The Company Betting Your Next Purchase Is Already Yours
Ordergroove sells brands a simple, expensive idea: the cheapest customer to acquire is the one who already bought. Here is how a company started in a Manhattan apartment built the plumbing behind the subscribe-and-save button.
Retently
Collect NPS, CSAT and CES across every touchpoint, then let AI turn thousands of responses into the actions that protect revenue and loyalty.
Planhat
The Swedish company spent seven years bootstrapping a customer platform before the venture money arrived. Now it wants software agents and the humans who run accounts to work off the same page.
Userpilot
Userpilot helps product and growth teams turn user signals into activation, adoption, retention, and revenue.
SentiSum
AI-native CX intelligence that tells you what's breaking, what it's costing, and what to fix.
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.
Boom AI
Boom AI is a San Francisco-based Y Combinator (F25) startup building an AI workforce that talks to a company's customers across SMS, email, WhatsApp, Instagram, and phone, learns what they need, and acts on it - collecting overdue payments, winning back churned users, driving sales, and onboarding people. Founded in 2025 by the team that built Atrato (YC W21), it aims to deliver the output of a full customer team without the headcount.
Signals (YC W26)
Signals (legally Material Model, Inc.), also known as Return Signals, is a Y Combinator W26 startup building an AI-powered iMessage revenue channel for direct-to-consumer e-commerce brands. It runs two-way text conversations that check in with buyers after delivery, convert would-be returns into exchanges, and drive repeat purchases. Founded in 2025 by CEO Ilya Valmianski and Alejandro Zaniolo, the two-person San Francisco company reports roughly $30 in incremental repeat revenue per conversation and turns 70% of return intents into exchanges.
Syncly
Syncly is an AI platform built by a team that previously sold a machine-vision startup for $200M. It began as a customer-feedback analytics tool that ingests support conversations from Zendesk, Intercom, Gorgias, Slack, Front and Gong, then auto-tags them, scores sentiment, and surfaces the issues quietly driving churn - so CX and revenue teams can act before customers leave. The company has since expanded into AI social intelligence for the video era, adding tools to monitor TikTok, Reels and Shorts, discover creators, and unify voice-of-customer signals across channels.
Hang
Hang is a New York-based software company building an AI-powered marketing and loyalty platform for consumer brands. Marketed as 'the autonomous marketing system,' Hang replaces static points programs with personalized, gamified rewards - branded minigames, dynamic quests and 1:1 offers - alongside self-cleaning customer data, smart segments and AI-driven campaigns. It launched in 2022 as an NFT-powered membership platform backed by a $16M Series A from Paradigm, then repositioned around AI and now serves restaurant, beauty, apparel and e-commerce brands such as Just Salad, Jeni's, Boba Guys and Hattie B's.
Meadow
Meadow is a New York-based fintech building modern financial engagement tools for higher education. Its platform helps colleges and universities communicate costs clearly, collect tuition, and support students from application through graduation - spanning a student-friendly net price calculator (Meadow Price), mobile billing and flexible payment plans (Meadow Pay), and compassionate balance recovery (Meadow Pre). Used by 300+ institutions, Meadow raised a $14M Series A led by Matrix Partners in April 2025.