conversation-intelligence
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The Call Was the Conversion. Infinity Finally Made It Count.
A magazine subscription problem produced a call-tracking company. Sixteen years later, Infinity is teaching ad platforms to hear what happened after the phone rang.
The $20,000 Mailer That Taught CallRevu to Listen
A Toyota dealer went looking for proof that his advertising worked and found something more useful: the conversations his store was mishandling. Two decades later, CallRevu is trying to turn every ring, pause and missed appointment into a dealership operating signal.
Conquer Put the Sales Stack Inside Salesforce. Then It Went Shopping.
The company once known as DialSource spent years fixing the unglamorous plumbing of enterprise selling. Now it is stitching calls, coaching, attribution and buyer collaboration into one Salesforce-native operating layer.
Gong Put the Sales Call on Trial - Then Built a $500 Million AI Business from the Evidence
The original product listened to calls that managers could never attend. A decade later, Gong wants its agents to plan, coach, forecast, and act - but the winning lesson is still wonderfully small: capture reality before asking people to summarize it.
Klenty Turned the Cold-Email Grind Into a Sales System - Now It Wants AI to Pick Up the Busywork
Three founders started by fixing a problem they had lived: one-to-one prospecting stops scaling, but indiscriminate automation burns the people you want to reach. Klenty’s decade-long bet is that the winning system sits between those two mistakes.
Invoca Put a Price Tag on the Phone Call - Now It Wants an AI Agent to Answer It
Invoca spent years teaching marketers what happened after a customer picked up the phone. Its next bet is more ambitious: use that same first-party conversation data to make sure someone - human or machine - answers at all.
CallMiner Spent 24 Years Teaching Companies to Listen. Now It Wants the Bots to Answer.
The Waltham software company built its business by finding patterns in calls that nobody had time to replay. Its next act is riskier: using those patterns to decide what humans should say - and what software should handle without them.
A BMW Directory Couldn't Prove It Made the Phone Ring. CallRail Turned That Blind Spot Into $100 Million in ARR.
CallRail began with an embarrassingly ordinary question: did that ad make the phone ring? Fifteen years later, its answer spans attribution, conversation intelligence and an AI receptionist - with a few hard lessons about what not to build along the way.
Terret Raised $40 Million to Predict Revenue. Then It Decided Prediction Wasn’t Enough
BoostUp built a respectable forecasting business. Terret is the more ambitious sequel: one connected revenue graph, a crew of AI agents and a bet that the real bottleneck is everything that happens after the dashboard spots trouble.
Balto Put a Coach Inside the Call - Now 500 Million Conversations Later, the Hard Part Is Knowing When AI Should Speak
A forgotten sales script became an Excel macro, then a $52 million bet on fixing conversations before they go wrong. Balto's lesson for AI builders is simple: start with one measurable moment - and earn the right to automate the rest.
Modulate Wants AI to Hear What the Transcript Missed
The startup that learned to police Call of Duty voice chat is making a larger bet: the valuable part of a conversation is often the part a transcript throws away.
The Contact Center Has Plenty of Data. SuccessKPI Wants It to Make a Decision.
SuccessKPI built its business around a stubborn enterprise problem: customer conversations generate mountains of evidence, but too little action. Its platform connects the listening, scoring, coaching and staffing work that contact centers usually handle in separate systems.
Aircall
The Paris-born company turned the office phone into a line of software - and is now teaching it to answer calls on its own.
Salesloft
How an Atlanta software company turned the daily grind of sales outreach into a category - and bet its next chapter on AI that tells sellers what to do next.
Observe.AI
The company wants to turn every customer service call into something a machine can hear, judge, coach and eventually handle on its own.
Kapiche
The AI feedback analytics platform that reads every customer conversation - not just the 5% who fill out your survey - and tells you what it costs you.
CloudTalk
CloudTalk wants the business phone call to behave like modern software: measurable, connected and increasingly automated. Its bet is that the winners in voice AI will own both the conversation and the plumbing underneath it.
Avoma
It began as a fix for the world's most quietly expensive habit: the meeting nobody remembers. Nine years later Avoma runs the whole meeting lifecycle - booking, notes, coaching, forecast - for a thousand-plus companies, on a price list you can actually read.
COACH
COACH is an AI sales coach for in-person and field sales teams. Reps record every meeting; the AI figures out what the best closers do differently and coaches everyone else to do the same, delivering personalized feedback after each meeting. Managers get visibility into 100% of what happens in the field so they only step in when it matters. Founded in Paris by Mathieu Perez, Thomas Perez and Nicolas Sebag, COACH is part of Y Combinator's Summer 2026 batch and reached roughly $500k ARR in its first five months.
Attention
Attention is a New York-based AI platform for B2B revenue teams that goes beyond recording sales calls to actually executing the work that follows them. Founded in 2021 by Anis Bennaceur and Matthias Wickenburg, its AI agents transcribe and score conversations, auto-update the CRM, draft and send follow-ups, and orchestrate next steps across 200+ tools. The company raised a $30M Series B in June 2026 led by RTP Global, and serves 500+ customers including Abridge, Scale, BambooHR, and Preply.
Orum
Orum is an AI-powered live conversation platform for B2B sales teams. Its dialer automates the tedious parts of outbound calling - filtering out voicemails, bad numbers, and phone trees - so reps spend more time in live conversations. Layered on top is an AI coaching and enablement suite (scorecards, roleplay, live call visibility) that helps managers develop reps and shorten ramp time. Founded in 2018 by Jason Dorfman, the fully remote company has powered more than a billion calls and is used by over 1,200 revenue teams.
Scoot
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.
Siro
Siro is an AI conversation intelligence platform built for in-person sales. Reps use its mobile app to record face-to-face conversations at the kitchen table, on the job site, or in the showroom; Siro then transcribes and analyzes those conversations to surface coaching moments, draft follow-ups, update the CRM, and show reps how top performers handle objections. Founded in 2020 by former Cutco top-1% seller and McKinsey alum Jake Cronin, the New York company raised a $50M Series B in May 2025 led by SignalFire, bringing total funding to roughly $75M.
Recall.ai
Recall.ai is a San Francisco developer-infrastructure company that sells a universal API for capturing meetings. Instead of building brittle bots for Zoom, Google Meet, Microsoft Teams, Webex, Slack Huddles and in-person calls, developers make a single API call and get back recordings, transcripts, and rich participant metadata. Founded by University of Waterloo dropouts David Gu and Amanda, the company pivoted from a consumer meeting app into the plumbing beneath a wave of AI notetakers and sales tools, and now powers thousands of companies. Recall.ai is Y Combinator-backed and raised a $38M Series B at a reported ~$250M valuation in September 2025.
FORA
FORA is a New York-based AI communication intelligence platform built for enterprise leadership. It captures and analyzes conversations from meetings, email, chat, and CRM systems, then turns that qualitative data into secure, actionable insights - flagging risks, eliminating shadow data, auto-updating OKRs, and surfacing what the C-suite actually needs to know. Founded in 2024 by serial HR-tech entrepreneur Joe Essenfeld, the company launched with $3.8 million in pre-seed funding led by Converge.
VoiceOps
VoiceOps is a New York-based AI company that turns customer conversations into structured, decision-ready intelligence. Its platform listens to every call, email, SMS, and chat a B2C business handles, then automatically grades quality, flags compliance risks, coaches reps, and surfaces the patterns that separate top performers from everyone else - no manual prompt-writing required. Founded in 2016 out of Y Combinator, VoiceOps started as a coaching tool for call-center sales teams and has grown into a broader conversation-intelligence agent used by companies in lending, healthcare, education, and home services.
Outreach
Outreach is a Seattle-based sales execution platform that helps revenue teams find, close, and grow deals. Founded in 2014, it pioneered the 'sales engagement' category - automating outbound sequences across email, phone, and social - and has since expanded into deal management, conversation intelligence (Kaia), forecasting, and a growing roster of agentic AI tools. It serves enterprise sellers at companies like Zoom, Snowflake, Okta, and ServiceNow, reaching roughly $4.4B in valuation on the strength of a 2021 Series G.
Fireflies.ai
Fireflies.ai is a San Francisco-based AI meeting assistant that joins video and phone calls across Zoom, Google Meet and Microsoft Teams to record, transcribe, summarize and analyze conversations. Its bot captures speaker-labeled notes and action items, its AskFred assistant answers questions about past meetings, and its Perplexity-powered Live Assist offers real-time web answers during calls. Founded in 2016 by Krish Ramineni and Sam Udotong, the company reached a $1 billion valuation in 2025 while staying profitable and is used by teams across more than a million organizations.
Cresta
Cresta is a generative AI platform built for the contact center, unifying human and AI agents on one system to coach reps in real time, automate post-call work, and turn millions of conversations into measurable revenue, retention, and compliance outcomes.
Mindtickle
Mindtickle is a SaaS revenue enablement platform that helps enterprise sales teams ramp faster, coach smarter, and close more. Founded in Pune in 2011 and now headquartered in San Francisco, the company turned the messy art of sales training into a data-backed system used by Fortune 500 companies, then layered agentic AI on top with its 2026 ElevateOS launch.