Agentic GTM · six agents · one Slack channel
Grow revenue with
<AI agents/> inside your Slack.
An outbound team of AI agents that picks what to test, finds the people, writes the emails and keeps them out of spam. You make the calls.
Interactive demo
Why · three ways outbound gets built today
Outbound didn't fail.
How it's built did.
- Option 1
Hire SDRs
Months to hire and ramp. Each rep learns the market alone, and the know-how leaves with them.
✕ slow · expensive · fragile - Option 2
Hire an agency
You pay for activity you can't see. The lists, the copy and the learnings stay with them.
✕ a black box you rent - Option 3
Buy an AI SDR
Or wire Claude to a few MCPs. The same campaign, written faster. No company context, no rules, no memory.
✕ faster, not better
What works is an <AI system/>
that runs the channel for you.
- 01 · Context
Second Brain
Calls, CRM, replies and past campaigns in one place.
- HubSpot
- Salesforce
- Fireflies
- Gmail
Slack- Google Sheets
- 02 · Method
Outbound framework
How to target, write and send, laid over the brain.
- ICP
- Signals
- Offers
- Copy rules
- Sending limits
- Benchmarks
- Weekly checks
- Daily spam monitoring
- 03 · Strategy
Hypotheses
Ranked by evidence from your calls and results.
- A · HubSpot partners
- B · Hiring SDRs
- C · Reactivation
- 04 · You
You pick one
One click in Slack. Then the lead hands out the tasks.
- Run Arecommended
- Run B
- Run C
- 05 · Data
Research by signals
40+ sources, not one database. Signals like hiring, funding and new leaders. Emails verified in 3 steps.
- 06 · Copy
One-to-one emails
- 1 · ContactDaniel, Founder, HubSpot agency
- 2 · Dossier + deep research
- 3 · One sequenceFully personalised, for this person only
- 07 · Launch
Dozens of campaigns
Not one. Each tests a segment and an angle.
- Campaign 15.4%
- Campaign 22.1%
- Campaign 30.4%
- 08 · Learn
Winners scale
Every result goes back to the brain.
- Campaign 1Scale ×5 volume
- Campaign 2Rewrite the angle
- Campaign 3Stop
See how this loop would run on your company.
The team · built on your company's context
Six agents.
One Second Brain.
Everything they do starts from what your company already knows. When something happens in your business, the brain changes, and so does the next campaign.
+ hundreds of other changes every week
Lost on timing → back on the Q4 reactivation list
"Board asked for an AI plan" → a new opener, tested this week
Won a 40-person agency → a lookalike segment of 2,300
"We already use Apollo" → answered in the next follow-up
5.4% reply → founder-led agencies move to the top
+ every campaign after
Researcher
Data researchBuilds the market from 40+ sources and finds the person with a reason to talk now.
- Pull listings from 40+ sources
- Build the total addressable market
- Check every website against your ICP
- Find signals: hiring, funding, new leaders, tech stack
- Verify every email in 3 steps
8,960 listings → 319 contacts with a reason to reply.
Copywriter
CopyWrites from what already won, one-to-one when the signal is strong.
- Read the brief and the call notes
- Start from your proven winners
- Research each contact in depth
- Write by a tested framework
- QA, then validate again
Builds on CRM-2.1: 5.4% reply, 3.4% positive.
Deliverability
Inbox placementRuns the mailboxes: limits, tests, rest days, replacements. Joins in the first 24 hours.
- Inventory domains and mailboxes
- SPF, DKIM, DMARC, blacklists
- Seed tests, Google and Outlook
- Daily limits per mailbox
- Rest or replace what slips
Built on 35,000+ mailboxes and 450,000+ tests.
Launch Ops
Build & launchBuilds every campaign inside the cleared limits and checks it renders clean.
- Create campaigns in your sending tool
- Load sequences and follow-ups
- Upload contacts with personal openers
- Render check: 0 empty variables
- Hold as drafts until you launch
8 / 8 rendered clean before launch.
Analyst
Replies & resultsWatches replies and results, flags what needs a human, feeds winners back.
- Classify every reply
- Flag interested replies waiting too long
- Score segments and angles
- Write winners back to the brain
Answers "did we reply to all 25 in time?"
Why it works · the harness around the model
Default AI can't do this.
Ten years of outbound can.
The model is the easy part. Every agent runs inside rules we learned from sending at scale. That's what a prompt doesn't have.
Built by operators · not by a prompt
With every email sent, the system gets smarter.
Something breaks, we catch it, the system learns. Each fix becomes a rule every agent follows from then on, for every client.
⚠ detectedA security gateway started blocking links from new domains
◆ learnedLinks from domains that are not fully warmed look like phishing
✓ new ruleNo links until a domain is fully warmed
⚠ detectedReplies dropped right after a client tripled volume
◆ learnedSudden jumps hurt placement, hardest on Microsoft 365
✓ new ruleRamp volume step by step, Outlook to Outlook
⚠ detectedA reader answered "this looks like a template"
◆ learnedIf the email still works for another person, it is not personal
✓ new ruleSwap test on every email before it ships
✓ new rulelearned from your campaigns
Deliverability governor
- 15 emails a day per mailbox
- Google to Google, Outlook to Outlook
- Seed placement tests every 36 hours
- A domain rests at the first slip
- Warns 3 weeks before capacity runs out
Data quality
- 40+ sources, not one database
- Every website checked against your ICP
- One live signal per contact
- Emails verified in 3 steps
- Customers, open deals, opt-outs excluded
Copy QA
- A dossier on every person
- Swap test: change the person, the email must break
- No claim that isn't in the brain
- No promised results, one ask
- Built on your proven winners
Learning loop
- Dozens of campaigns at once
- A 10-day rule picks the winner
- Winners scale, losers stop
- Every reply is classified
- Every result goes back to the brain
- HubSpot
- Salesforce
- Pipedrive
- Gmail
Slack
Apollo- ZoomInfo
- Clay
- Perplexity
- Claude
- OpenAI
- Indeed
- Crunchbase
BuiltWith- G2
- Glassdoor
- Wellfound
- Fireflies
- Instantly
- Google Sheets
Bring your stack. We plug the agents into it.
Compare · the same channel, five ways
Your team. Your Slack.
Your system.
| Hire SDRs | Agency | AI SDR tool | Claude + MCP | ||
|---|---|---|---|---|---|
| Knows your company | Second Brain from your calls, results and thousands of sources | After months | From a brief | Your website | Per prompt |
| Decides what to test | Ranked by evidence | A rep's guess | Their playbook | No | No |
| Keeps you out of spam | Checked daily | No | Sometimes | No | No |
| You approve before sending | One click in Slack | In a meeting | Weekly report | No | You do the work |
| Gets better every campaign | Every result feeds the brain | Until they quit | For them | No | Starts from zero |
| First results | First agent in 24 hours | After ramp-up | Weeks | Same day | When you build it |
| Who runs it | You, with us | The rep | The agency | The vendor | You alone |
30 minutes to see if this fits your team.
Who it's for · B2B teams from 5 to 50
Two kinds of teams
come to us.
You need the channel. You don't want to hire for it.
- Founder or a small sales team doing everything
- Burned by an agency before
- Want pipeline you control, not rent
Your team works. You want it to produce more.
- Reps spend their day on lists and copy
- Results depend on who wrote the email
- Agents take the busywork, people take the calls
30 minutes with Ilya. We'll look at your setup and tell you what we'd build first.
Control · where a person decides
Agents do the work.
You press the buttons.
- 01 · strategyRun A
Pick the test
The lead brings three options with evidence. You choose.
- 02 · copyApprove copy
Approve the emails
Every sequence comes with what it's built on.
- 03 · launch🚀 Launch all 8
Launch
Campaigns sit as drafts until you say go.
- 04 · capacityPrepare the order
Add mailboxes
Deliverability warns three weeks ahead. You approve the spend.
Nothing goes out without a human click.
How we work · implementation, then support
We don't hand you software
and walk away.
For 90 days we build the system into your company: your context, your process, your team. Then we stay on to keep it sharp. That's the difference from buying a tool.
- Shared Slack channel
# growthband-x-your-company
MaxGrowth.BandYour HubSpot is ready for the agents: duplicates merged, leavers flagged, emails re-verified.
IlyaGrowth.BandWeekly call on Thursday: round 1 results and the next three tests.Zoom · Thu 15:00
IlyaGrowth.BandFirst campaigns go live tomorrow. I'll sit with your team on the first replies.A shared Slack channel with our team, from day one.
- Weekly callsResults, next tests, decisions

Dedicated peopleAnswers in Slack the same day- Data ready for agentsCRM audited, cleaned, verified
- StrategyHypotheses from hundreds of campaigns
- Launch togetherFirst campaigns side by side
- Team onboardingYour people trained by doing
- Checked until it worksWe stay on after day 90
- Real people behind itOperators, not a ticket queue
- From you
- One owner on your side and a few hours a week. Access to your CRM, call recordings and docs.
- From us
- The build, the data, the infrastructure, the agents, and someone who answers in Slack.
- After day 90
- The system runs in your accounts. We keep deliverability, data and agents up to date.
Start with a call. Your first agent can be in Slack the next day.
Who we are · Growth.Band
We run our own outbound on this system.
Every agent here first worked on our own pipeline. What you saw in the demo is a campaign we ran this month.

Ilya Azovtsev, co-founderOne of lemlist's first hires, then head of growth at Expandi.

Max Makarenko, co-founderFormer CMO at Expandi.
Questions · what people ask on the call
Before you book.
Is this an AI SDR?
Will the agents send emails without me?
Do we need Slack?
We already have SDRs. What changes?
Who owns the data and the system?
How much does it cost?
Next step · 30 minutes with Ilya