A shopper leaves. A retailer remembers. Listrak has built a business around the delicate interval between those two events, connecting customer data with email, text and the next useful nudge.
A college can win an application and still lose the student. Motimatic uses behavioral science, paid media, and carefully timed prompts to turn unfinished intentions into a next step.
OneSignal began with a game studio's awkward discovery: getting people to download an app was easier than giving them a reason to return. Its answer became the plumbing behind billions of daily messages - and a lesson in when to speak, when to wait, and what a notification is worth.
Rubix Agency built its reputation by refusing to confuse a marketing channel with a growth strategy. Its most interesting work begins when the obvious lever stops working.
The Forking Group’s wager is that a restaurant’s marketing problem is rarely a shortage of posts. It is the costly jumble between the menu, the map, the camera, the inbox and the table.
Born from an IBM carve-out, Acoustic is rebuilding a collection of veteran marketing tools around one sharp idea: the system that spots customer intent should also be able to act on it. The hard part is proving that a legacy inheritance can become the cure for legacy martech.
How a lunch-break side project for developers turned into a $100M messaging engine trusted by Notion, Buffer, and thousands of other data-driven teams.
Revamp is a San Francisco startup (YC Summer 2023) that builds AI agents for eCommerce retention marketing. It plugs into Klaviyo and Shopify to turn scattered customer data into smart segments and then writes genuinely 1:1 personalized emails - drawing on signals like location, weather, purchase history and browsing behavior - so D2C brands can lift email revenue without hiring an army of copywriters.
Vero is a Sydney-based customer engagement platform that helps product-led teams send personalized email, mobile push and SMS messages triggered by what users actually do inside a product. Founded in 2012 by Chris Hexton and James Lamont, Vero pairs a real-time behavioural workflow engine with Vero Connect, an approach that reads directly from a company's data warehouse so teams can message customers without duplicating their data into yet another marketing tool.
Stay AI is a Shopify-native subscription and retention platform that helps direct-to-consumer brands turn subscriptions into a growth channel rather than a simple billing tool. Founded in 2021 by ecommerce operators Gina Perrelli, Pierson Krass, and Taylor Cawiezell, the platform pairs a no-code, marketer-friendly customer portal with AI-driven churn prediction, smart dunning, cancellation surveys, and A/B testing. More than 500 brands - including OLIPOP, Magic Spoon, Momofuku, Lemme, and ARMRA - use Stay AI to reduce churn, lift recurring revenue, and increase customer lifetime value.
Iterable is a San Francisco-based AI customer engagement platform that lets consumer brands coordinate personalized messaging across email, SMS, push, in-app, and web from a single system. Founded in 2013 by ex-Google engineer Andrew Boni and ex-Twitter engineer Justin Zhu, it uses unified behavioral and product data plus a growing set of AI agents, branded Nova, to build, test, and optimize customer journeys in real time. The company reached a $2 billion valuation in 2021 and serves brands including DoorDash, Fabletics, HelloFresh, Redfin, and SeatGeek.
JustAI (formerly Just Words, legally Choice AI Inc.) is a San Francisco AI-native marketing platform that turns lifecycle content into an always-on experimentation engine. Its AI agents - strategy, creative, decisioning and data - predict high-value moments, generate on-brand message variants across email, SMS and push, test them against real users, and shift traffic to the winners while compounding learnings across campaigns. Founded in 2024 by Neha Mittal (ex-Twitter and Pinterest growth lead) and Jeff Hara, the company graduated from Y Combinator's Winter 2024 batch and works with consumer brands including Grammarly, ClickUp, Notion, Lemonade, Coursera and Thumbtack.
Conversion is a San Francisco AI-native marketing automation platform founded by UC Berkeley dropouts Neil Tewari and James Jiao. Built to replace legacy tools like HubSpot, Marketo and Pardot, it unifies product and CRM data, detects buying signals, and lets teams build personalized, no-code lifecycle campaigns. It serves 4,000+ companies, raised a $28M Series A led by Abstract Ventures in 2025, and is approaching eight-figure ARR.
Aampe is a San Francisco-based company building agentic AI infrastructure for personalized customer experiences. Instead of relying on generative AI, it assigns a dedicated reinforcement-learning agent to every individual user that continuously experiments and learns what content to send, when, and whether to send anything at all. The platform has deployed over 100 million agents across hundreds of consumer apps on four continents, helping product, data science, and lifecycle marketing teams move from rule-based campaigns to continuous, per-user adaptation.
Simon AI, formerly Simon Data, is a New York-based marketing technology company that builds an AI-first, composable customer data platform with embedded AI agents. Its Agentic Marketing Platform lets marketing teams reason over live customer and contextual data in their own data cloud to detect signals like churn risk and demand spikes, turn messy data into campaign-ready attributes, and orchestrate personalized campaigns across channels and tools like Braze, Attentive, and Iterable. Founded in 2013 by data scientists Jason Davis and Matt Walker, the company has raised roughly $117.8M and serves fast-growing and enterprise brands including SeatGeek, Equinox, Tripadvisor, ASOS, Venmo, and BarkBox.