Exec Summary
"We tried cold outbound—it was too early. We tried AI SDRs—they felt like spam. So we decided to play the long game."
Traffic

20x

Growth in 7mo
Signups

13x

Increase monthly
Demos

10x

Higher volume
Our journey wasn't a straight line. We started with cold outbound, but realized we were too early in our growth stage to make it stick. Then we pivoted to AI SDRs, only to find that early-generation tools were more spammy than helpful. They burned bridges faster than they built them.
This playbook is about our third attempt: building a content engine. We knew it would be a long game with no immediate ROI. It was a quest to build a newsletter-led growth engine—a feat rarely attempted by B2B businesses.
While solopreneurs often dominate the newsletter space, those projects usually die out when the creator moves on. We set out to build something institutional, sustainable, and high-converting that correlates marketing visitors directly to product usage.

The Content-led Growth Engine Architecture

Funnel Architecture Diagram
Step 1

Build and Maintain an ABM Master Contact List

If you are early days, keep it broader and experiment with your ICP and messaging. If you are at growth stage, keep it narrower to your ICP.

Company Attributes
  • Name & Domain URL
  • Firmographics (Revenue, Stage)
  • Employee Count & HQ Location
  • Hiring Roles & Funding Events
Contact Attributes
  • Name & Email ID
  • LinkedIn Profile URL
  • Title & Location
  • Phone Number

Frequency: Monthly

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The Data Strategy: Maintaining a high-quality list is a full-time job. We recommend a "Waterfall" approach to data enrichment. Start with Apollo for broad coverage, then use Clay to run specific logic (e.g., "Find the LinkedIn profile of the Head of Growth at companies that just raised Series B").
Unexpected Challenge: Clay can be very, very expensive if not managed carefully. We are still learning how to balance cost vs. depth.
List Maintenance: We maintain three distinct tiers:
  • Cold (375K): The top of the funnel. These are people who fit our ICP but haven't interacted yet.
  • Warm (180K+): People who have opened our emails at least twice. They are starting to recognize the brand.
  • Hot (120K+): The "High Intent" group. They've clicked multiple times and visited high-value pages like pricing or demo.
Pro Tip: Don't just buy a list and sit on it. Add 1-5K new ICP contacts every month to keep the "Cold" pool fresh. Remember almost 80% people change jobs every 3 years, your list will get stale and undeliverable without this refresh.
Step 2

Install Pixels for Visitor and Ad Tracking

Install scripts to track traffic, visitors, content, and channel performance. We use ThriveStack for unified tracking across Marketing, Product, and Revenue.

Why ThriveStack? It correlates visitors from Marketing to Users/Accounts in Product.
Connected Revenue Intelligence

Frequency: Continuous

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The Correlation Engine: Most tracking tools stop at the "Lead" level. ThriveStack goes deeper by tying the anonymous marketing cookie to the actual User ID once they sign up. This allows you to see exactly which blog post or ad campaign led to a high-LTV customer.
Ad Platforms: Don't just install the Google/LinkedIn pixels. Use an aggregator like Cometly if you're running multi-channel ads to avoid double-counting conversions. However, for early-stage startups, start with the native pixels to train their algorithms on your specific audience.
Retention Cohorts: Tracking pixels also help you build "Visitor Retention" cohorts. You can see if people who visit your "Documentation" page are more likely to stay active in the product than those who only visit the "Home" page.
Step 3

Build a Cold Email Newsletter

Goal: Generate awareness on the problem, industry trends, and solutions. Don't try to sell here.

Frequency: 3-4 times a month

CTA Mix: 80% Marketing / 20% Product

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The "Institutional" Newsletter: We send 3-4 emails a month. These aren't just product updates; they are industry insights, "How-to" guides, and thought leadership pieces that position ThriveStack as an authority.
Content Generation Process:
  • Research: Ingest 20-30 expert articles using AI tools like NotebookLM.
  • Synthesis: Generate a unique perspective by combining multiple data points.
  • Drafting: Human-in-the-loop editing to ensure brand voice and accuracy.
  • Distribution: Segmented sending via Brevo for maximum deliverability.
Content Mix: 70% Education, 20% Industry News, 10% Product. If you flip this and send 70% product updates, people will unsubscribe immediately.
Deliverability: With a list of 375K, deliverability is your biggest enemy. We use Brevo for its robust infrastructure and clean IP reputation. We also run our list through NeverBounce every 60 days to remove stale emails.
Step 4

Warm Newsletter: The 6-Email Sequence

Goal: Specific awareness and pitching your solution to warm contacts.

Frequency: Once a week

CTA Mix: 60% Education / 40% Product

Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
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The "Lesson" Framework: Instead of "Weekly Newsletter #42," call these "Lessons." It sets a psychological expectation of value. Each lesson should tackle one specific feature of your product but frame it as a solution to a broader industry problem.
Sequence Logic:
  • Lesson 1-2: Problem agitation and current state analysis.
  • Lesson 3-4: Introducing the "New Way" (your category).
  • Lesson 5-6: Direct product proof, case studies, and "The Pitch."
Opt-in vs. Opt-out: While these are sent to "Warm" contacts who have interacted with your cold emails, always provide a clear "Unsubscribe from this sequence" link. It builds trust and keeps your deliverability high.
Step 5

Outreach Selling Motions

Goal: Pitch your solution softly to Hot contacts based on their behavior.

Frequency: Daily / On-demand

CTA Mix: 20% Education / 80% Product

We are starting on this journey and are evaluating simpler and cost-effective ways to run warm outbound across email, LinkedIn, and other channels.
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Behavioral Context: Before sending an outreach email, our SDRs check the ThriveStack dashboard. Did the contact visit the "Pricing" page 3 times in the last 48 hours? Did they try the "Live Demo" mode? This context becomes the first line of the email.
Tool Evaluation: We are currently looking at tools like Instantly.ai and SmartLead.ai for email automation, and Artisan AI for more autonomous SDR motions. The goal is to maintain a "human-in-the-loop" feel while scaling volume.
Patience is Key: Don't reach out the second someone opens an email. Wait until they've hit the "Hot" threshold (5+ opens, 10+ clicks, or key website visits). If you hurry, you'll lose the contact forever.
Step 6

Retarget Ads & Other Channels

Use attributes from Hot and Warm lists to start hyper-narrow ad campaigns targeting visitors who already know you.

Frequency: Continuous

CTA Mix: 100% Product

Target WARM Contacts who visited website
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Hyper-Narrow Targeting: Instead of targeting "Marketing Managers in the US," we upload our "Hot" contact list directly to LinkedIn. This ensures our ad budget is only spent on people who are already 60-70% through the buying journey.
Tool Stack: We utilize Google Ads, LinkedIn Ads, and Meta Ads to stay top-of-mind. By focusing only on warm contacts, we significantly reduce wasted spend.
Ad Creative: For retargeting, the creative should be different. Use social proof, "How it works" videos, or specific comparison charts (Us vs. Competitor X). They already know who you are; now they need to know why you're better.
Step 7

Host Webinars

Invite your Warm and Hot leads to deep-dive sessions. Use the deep relationship you've built to drive high-intent attendance.

Frequency: Monthly

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The "Warm-to-Webinar" Pipeline: We use our Warm newsletter to announce upcoming webinars. Because these contacts have been reading our "Lessons" for 4-5 weeks, they see us as experts, leading to a 30-40% registration-to-attendance rate.
Platforms: We use Zoom Webinars and LinkedIn Live to host these sessions. These platforms provide robust tracking and engagement tools that feed back into our CRM.
Interactive Content: During the webinar, use polls to gather even more data. "What is your biggest challenge with X?" The answers to these polls are fed back into our ABM list to further personalize future outreach.
Step 8

Monitor, Rinse, and Repeat

Continuously analyze the cohorts. Which messages are moving people from Cold to Warm?

Frequency: Weekly

Monitoring Categories
Target WARM Contacts who visited website
Monitor campaign performance directly in Brevo.
Marketing (ThriveStack)
Content PerformanceChannel ROI PerformanceTouchpoints to AcquisitionVisitor Retention Cohorts
Product (ThriveStack)
Full Journey VisibilityActivation Friction & Dropoffs
Revenue (ThriveStack)
Revenue Generated
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The Feedback Loop: Every month, we look at the "Drop-off" points. If 50% of people are dropping off between Warm Lesson 3 and 4, we know the content in Lesson 3 needs to be rewritten.
Scaling: Once the funnel is "leaktight," we scale by adding more contacts to the top (Step 1). This is how we went from 10K to 200K visitors—we didn't just spend more on ads; we made the funnel more efficient first.
Step 9

Some big Gotchas and how you can solve it

Continuously analyze the cohorts. Which messages are moving people from Cold to Warm?

Gotchas (The Hard Truth)

1

Brevo has a low tolerance to SPAM, undeliverable/bounce rates.

2

UTM source and medium tracking can be configured with Brevo. Meddling with it has issues.

3

BOTs and your Email Security tools (e.g. Proofpoint) opens/navigates to email before a human does. So don't fully trust the open and click rates.

How to solve these?

Sent to the verified list only - test with Leadmagic, Neverbounce etc.

Test SPAMINESS of your email using tools like mail-tester.com

Review your content for spam-like patterns.

Ensure each email has an UNSUBSCRIBE link.

Increasingly test on larger audience over period of 4-8 weeks.

Ask people who interact to move yours emails to inbox.

Yes, you'd think all of this should be done by Brevo - if you believe so, just like we do, let them know too.
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The Brevo Reality: They are strict because they want to protect their overall sender reputation, but it can be frustrating for legitimate B2B senders. We've found that being proactive with your own deliverability is the only way to stay out of the "Promotions" tab.
Pro Tip: Use mail-tester.com before every major campaign. If you score below 9/10, don't send it. Fix the issues (SPF, DKIM, DMARC, or content) first.

The Results

Our 7-month experiment in numbers (April 2025 - Jan 2026)

The "Before" State (April 2025)
10K
Monthly Visitors
3
Signups
2
Demo Calls
The "After" State (Jan 2026)
200K+
Monthly Visitors
1,900% UPTICK
40+
Signups
+1,233%
200K+
Demo Calls
+900%
WEBSITE TRAFFIC
200K+ / mo
Up from 10K in April
PRODUCT SIGNUPS
40+ / mo
Up from 3 in April
DEMO CALLS
20+ / mo
Up from 2 in April
Key Observations
Unexpected
1

Product signups usually happen 2-3 weeks after initial visit, and after at least 4-5 times browsing the product.

Full Journey Visibility
2

For mid-Large size companies, Demo calls happen almost after 2 months of initial visit.

This delay is typically due to the internal alignment needed within buying committees.
Positive Insights
1

70% of demo callers browsed ThriveStack PRODUCT in demoMode=true for 8-10 times.

2

We can trace all the pages they visited, sessions, and time from first touch to an acquisition event.

Touchpoints to Acquisition

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