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CallSteer

What to Say.
When to Say It.

Real-time AI coaching that puts the perfect response on screen during live calls. Better outcomes. Less management.

callsteer.ai  ·  Seed Round

The Engine

How It Works in Real Time.

Every word passes through 7 layers of processing. Only battle-tested, company-trained responses reach the screen.

Raw Transcript

“That’s way too expensive, we got quoted half that price”

CallSteer Brain

0Guard RailsPASS
1Noise FilterPASS
2Exit DetectionPASS
3Buy SignalPASS
4Playbook + KBPASS
5Deterministic MatchMATCH
6Claude Smart LaneSKIP

Rep Sees

“Totally fair — they use 3-layer, yours is 5. What’s their warranty?”
Competitor + Price | Confidence: 0.94
Self-Improving Flywheel
Nudge → Vote → Score → Promote
Winning responses auto-promote every 6 hours. The system gets faster and cheaper with every call.
Shrinking COGS
Deepgram
Fixed
Claude
Shrinking
85%+ instant by month 6.
Persistence Engine
1-2
Deterministic · instant · $0
3
Claude Variety · fresh angle
4+
Lean-In · soft comply
Happening Right Now

The Cost of Uncoached Calls.

You just saw CallSteer save the deal and stop the fraud. Here’s what happens every day without it.

Sales — $142K renewal. Right now.

The VP says “DataCore quoted us $90K.” The rep panics, caves on price. The VP takes the cheaper option. The rep never mentioned the $35K migration cost, the SOC 2 gap, or last year’s $340K ROI.

The data existed. It just wasn’t on screen when it mattered.

Service — $47,200 wire. 90 seconds to decide.

Caller claims her husband is hospitalized, needs an emergency wire. She’s crying. The agent skips dual-auth, processes it. The account was single-holder. There was no husband. The money is gone.

CallSteer recognized the social engineering pattern in real time — and prompted the agent to verify before processing.

Sales
−72%
of sales reps missed quota last year. The objection that kills the deal gets no real-time answer.
Customer Service
−$25.4B
lost to phone scams in 2023. Agents have no live guidance to stop social engineers.
Tech Support
−$136.8B
lost yearly to avoidable churn. Same engine, three modules — Sales, CS, and Tech Support all live.
The Category

Post-Call Analysis Is an Autopsy.
We’re the ER.

The entire industry tells you what went wrong after the damage is done.
We intervene while the call is still live.

The Autopsy
Record. Transcribe.
Review tomorrow.
The deal is already lost.
The fraud already cleared.
The customer already churned.
Gong, Chorus, CallRail, Observe.AI
vs.
The Emergency Room
Listen. Detect.
Coach in real time.
The rep gets the response.
The agent catches the lie.
The customer stays.
CallSteer
$1B+ raised proving conversation intelligence is a massive category. The leaders analyze after the call. The few that try real-time run static scripts — no DNA, no adaptation, one vertical. That’s the gap.
The Solution

One Engine. Every Phone Vertical.

Every team has one rep who never misses. We put that instinct on every screen.

Sales

The Closer

Objection handling, buy signals, and close prompts — powered by your battle cards.

Live
Customer Service

The Guardian

Fraud detection, de-escalation, and policy surfacing — before the damage is done.

Founding Partners
Tech Support

The Resolver

Guided troubleshooting, KB resolution, and escalation intelligence — in real time.

Live
Company DNA
50+ fields. Battle cards, pricing, proof stacks. Paste a URL or upload files.
Self-Improving
Winning responses auto-promote every 6 hours. The system compounds with every call.
CRM Integration
Every nudge and outcome syncs to Salesforce, HubSpot, or Zapier automatically.
Why Now

Your Bottom 20% Performs Like Your Top 20%.

DNA powers the AI from day one. Every call makes it sharper. Six months in, teams can’t leave — and they don’t want to.

STT Became Accurate
LLMs Became Fast
Calls Moved to Software
Incumbents Won’t Pivot
70% → 85%+
Playbook Compounds
70% of responses need zero AI on day one. By month 6, 85%+. AI cost drops as the system learns.
100%
Every Rep, Same Quality
Bottom 20% performs like the top 20%. Same team, 4x the output.
6 mo
Teams Never Leave
Thousands of tuned responses. New reps inherit it all. Switching means starting from zero.
How We Compare
Gong ($600M raised) Aircover ($8M+ raised) Balto ($52M raised) CallSteer
When it helpsAfter the callDuring the callDuring the callDuring the call
IntelligencePost-call analyticsGenAI — sales onlyStatic scriptsSemantic AI + Company DNA
VerticalsSales onlySales onlyContact centersSales + CS + Support
CustomizationGeneric insightsContent libraryManagers write scripts50+ field DNA — auto
PushbackN/ANo adaptationSame scriptAdapts across 2, 3, 4 pushbacks
SetupWeeks + $7.5KIntegration req.~45 days2–3 hour DNA session
CRM IntegrationNativeAPI onlyCustom buildHMAC-signed webhooks — SF, HubSpot, Zapier
Enterprise AuthSSO (SAML)NoneSSO (add-on)SSO/SAML — Okta, Azure AD, Google
vs. ChatGPTN/AN/AN/ALive audio pipeline, zero hallucination via DNA, adapts per pushback — not a chatbot
The outcomeTells you what went wrongSurfaces contentReads a scriptThinks for you in real time
How It Works

We Transcribe. We Never Record.

Live speech becomes text, AI matches it against your company DNA, and the right guidance hits the screen. The audio is never stored.

Transcribe
Live speech → text
➔
Match
AI + company DNA
➔
Guide
On screen in real time
➔
Sync
CRM via webhooks
Sales
Prospect says
“DataCore quoted us $90K. Why would we pay more?”
Rep sees
“DataCore lacks SOC 2. Migration alone is $35K+. What would downtime cost?”
Competitor gaps & switching costs from their DNA.
Customer Service
Caller says
“My husband’s in the hospital. I need a $47K wire sent now.”
Agent sees
“Wire >$10K = dual auth required. Social engineering pattern. Verify joint status first.”
Fraud protocols & wire policy from their DNA.
Tech Support
Caller says
“The dashboard won’t load after the update. Error 502.”
Tech sees
“502 after v3.2 = clear CDN cache. KB-4471. Escalate if persists >5 min.”
KB articles & resolution paths from their DNA.
Same engine. Three different outputs. Every response pulls from their data — nothing generic, nothing hallucinated, nothing recorded.
Powered by Company DNA
Paste a URL
Crawls docs, help centers & wikis automatically.
Upload Files
PDFs, SOPs & pricing sheets — parsed in seconds.
DNA Session
50+ fields of intel & playbooks in one meeting.
Simplifies two-party consent compliance
HIPAA & PCI-friendly
Nothing to subpoena
Business Model

Per-Seat SaaS. Margins Widen
With Every Call.

Priced between legacy script tools ($50–100/seat) and Gong ($100–250+/seat). Routine moments run instant, AI handles the rest — margins widen as the system learns.

Per-Seat, Per-Role

Each seat is configured for its role — Sales, CS, or Tech Support. One price, one platform, three modules. No upsell tiers needed.

Margins Improve Automatically

Variable infrastructure cost is almost entirely Deepgram STT. Claude AI handles novel responses and shrinks as winning patterns auto-promote to the deterministic fast lane. More calls = lower cost per call.

White-Glove DNA Setup

Every customer gets a dedicated 2–3 hour white-glove DNA session — 50+ fields including competitor battle cards, proof stacks, module-specific protocols, and knowledge base upload (file or URL import). Customers who invest in setup stay — because CallSteer actually works for them.

78%+
Target gross margin
50+
DNA fields per client
2–3 hrs
White-glove DNA session
↓
COGS drops every month
Market Opportunity

A $47.8B Market.
No Multi-Vertical Player.

$1B+ raised proving the category. None cover sales + service + support in one adaptive engine.

Sales
13M+
Sales professionals in the US
BLS OES, 2024
Customer Service
~2.8M
CS agents — fraud risk on every call
BLS OOH, 2024
Tech Support
~600K
Escalating when they should resolve
BLS OOH, 2024
TAM
Conversational AI for sales + CS + tech support by 2030
$47.8B
MarketsAndMarkets, 2024
SAM
Real-time CI — US phone-based teams
~$8B
SOM — Year 1-2
Phone-heavy verticals: financial services, insurance, B2B SaaS, real estate, healthcare IT
2,500–3,000 seats
• 60–80 customers × 30–50 seats each
• Land with Sales → expand to CS + TS within 90 days
• Target: $5M+ ARR by month 24
• Architecture is language-agnostic by design. International expansion requires data, not engineering.
Go-To-Market

One Meeting to Go Live.
Same-Day ROI.

DNA session in the morning, reps are live by afternoon. No integration, no IT ticket, no six-month rollout. First 10 companies get founding partner pricing and direct founder access.

Buyer: VP Sales / Head of CS / COO at phone-heavy orgs (10–200 reps). Founder-led → first 15, then AEs replicate.

How We Reach Buyers
Network
10+ years in sales and CS. Warm intros to decision makers who already know the founder.
Outbound
We use CallSteer to sell CallSteer. The DNA session IS the demo — prospects see their own data working live.
Content
Short-form demo videos and LinkedIn posts showing CallSteer handling real calls live.
Community
Sales conferences, CS forums, support communities, and industry groups where buyers already gather.
The Flywheel
Every customer
generates case study data
→
Every call
makes the system smarter
→
Product gets better
pitch gets easier
→
More seats, more modules
accounts expand naturally
Traction

Early, but Real.

Product is live. First customer deployed. Pipeline building across three industries.

Live
OnlineArmor.com
Reputation management company. First production deployment — 10,000+ AI coaching nudges processed. Validating pipeline, tuning DNA, generating case study data.
In Pipeline
3 Companies in Talks
Enterprise SaaS, real estate investment, and solar — ready to pilot once infrastructure is fortified. Multi-vertical demand from day one.
✓
Desktop App
Electron + WASAPI loopback. Works with any softphone.
✓
Chrome Extension
Browser-based calls. Tab audio capture.
✓
Admin Portal
DNA editor, playbooks, KB, billing, SSO, audit log.
✓
7-Layer Pipeline
Semantic AI, auto-learning, CRM webhooks, persistence engine.
Why Us

Built by Someone Who
Lived the Problem.

Started selling Google AdWords at 18. Never left the phones.

The Origin
Started selling Google AdWords at 18. Spent 17 years after that as a rep, manager, director, and trainer. Eventually ran my own outbound phone room — built the lead-gen software, scraped the lists, cold called homeowners for real estate investors. Same problem at every stop: out of ten reps, maybe two could handle objections. The technology finally caught up. CallSteer is what I wished existed the whole time.
Stephen Vanderver
Stephen Vanderver
Founder • Nashville, TN
LinkedIn
Selling Google AdWords at 18. Fell in love with the phones and never left.
17 years across AT&T, Verizon Business, Wells Fargo, RE/MAX & HomeVestors. Then ran my own outbound phone room sourcing leads for real estate investors.
President's Club — Wells Fargo & AT&T Wireless. Top producer at Verizon Business Fiber outbound.
Built the entire CallSteer platform with Claude Code — backend, widget, extension, website, and admin dashboard. One person, AI-assisted.
"I spent 17 years watching great reps lose deals they should have won. The data was always there — it just wasn’t on screen when it mattered."
— Stephen Vanderver, Founder
Domain Expertise
Built from experience, not theory
Built Lead-Gen Software
Before CallSteer, built tools to scrape and cold call at scale
Phone Room DNA
On the phones since 18. Managed floors, trained reps, then built the tool they needed.
Speed to Market
Idea to live product in months
Managed Hundreds of Reps
Trained and scaled sales teams across telecom, finance, and real estate — knows what moves the needle
Recruiting: Founding CTO to Scale, Not Build
Designed and built the full product solo — backend, desktop app, browser extension, and website. Raising capital to hire a Founding CTO to scale from proven MVP to enterprise infrastructure as we grow to 3,000+ seats.
The Ask

$4.5M Seed

SAFE • $15–20M cap • Series A target at $3.5M+ ARR

Shipped
Product Live
0 bytes
Audio Stored
1
Person Built This
∞
Self-Improving
3
Modules, 1 Engine
$4.5M
Seed Round
Use of Funds (18 months)
Sales & GTM $1.4M
Engineering $1.2M
AI & Infrastructure $600K
Partnerships & Channels $500K
Founder + Legal + Ops $800K
18-Month Road to Series A
Mo 3
$600K
ARR
10 founding partners deployed
Case studies live
Mo 6
$1M
ARR
First AEs ramped
Repeatable playbook
Mo 12
$2M
ARR
PMF proven
All 3 modules live
Mo 18
$3.5M
ARR
Series A ready
3 AEs replicate founder playbook → CallSteer accelerates every rep → margins widen as the system learns
CallSteer

Your best rep can’t be on every call.
CallSteer can.

$4.5M
Seed Round
$15–20M
Valuation Cap
18 mo
Runway
Book a Call with the Founder
Stephen Vanderver  •  hello@callsteer.ai  •  callsteer.ai