Pearl Lemon Leads Case Study 80% Open Rate Cold Email Campaign Results

Overview
Go behind the scenes of how Pearl Lemon Leads runs its own internal cold email campaigns using Lemlist achieving an 80% open rate, 10% click rate, and consistent engagement across hundreds of cold and warm prospects.
While we build high-performing lead generation systems for clients, we also run, refine, and scale cold email campaigns internally, ensuring every strategy we deliver is tested, validated, and high converting.
This case study gives a transparent look at real internal Lemlist campaign data, our testing methodology, and why our cold email frameworks continue to outperform industry norms.
Campaign Overview
Tool used: Lemlist
Campaign type: Cold email outreach + job board funnel
Purpose: Generate internal leads, test new frameworks, and refine cold email strategies


Key Performance Metrics
Across recent internal campaigns, we achieved:
- 838 emails sent
- 80% open rate
- 10% click rate
- 1% bounce rate
- 49 unsubscribes (minimal churn for the volume)
- Dozens of positive replies and demos booked
These numbers significantly exceed typical cold email benchmarks:
- Industry average open rate: 30-45%
- Industry average click rate: 1-3%
Campaign Highlights
Internal Campaigns on Lemlist
We run multiple ongoing sequences, including:
- Cold outreach
- Warm re-engagement
- Newsletter-style follow-ups
- Job board funnel sequences
This mix allows us to track performance across varied audiences.


Strong Deliverability & Engagement
Our results (80% opens) stem from:
- Fully warmed domains
- Verified sending infrastructure (SPF, DKIM, DMARC)
- Sequencing based on time zones
- Zero spam trigger language
The Job Board Funnel 100% Cold Traffic
This funnel, aimed at job board users with no prior relationship, still delivered:
- High open rates
- Clean engagement metrics
- Quality replies
- Direct conversions into calls
This proves our system works even with completely cold audiences.
“Practice What We Preach” Framework
Everything we build for clients is tested internally first:
- Subject line variations
- CTA experimentation
- Personalisation depth
- Sequence structure
- Follow-up logic
We don’t sell theory we deploy strategies we use ourselves.
Cold Email as a Conversion Engine
Cold email remains one of our strongest:
- Lead generation tools
- Booking channels
- Conversion drivers
Thanks to conversational tone and relevance-driven messaging.


Example Outreach Approach
Our internal emails follow a proven pattern:
- Personalized intro
- Clear reason for outreach
- Short and human message
- Low-friction CTA
- Optional soft follow-up
This tone consistently drives replies and clicks.
Results Summary
Our internal campaigns demonstrate:
- Cold email still generates high-intent leads
- Deliverability + relevance = high open rates
- Personalisation increases click-through rates
- Iterative testing leads to compounding improvements
These metrics show why clients trust us with their outbound systems we refine our process continuously, at scale.

Key Takeaways
- Personalization always beats templates
- Deliverability determines whether your strategy even gets seen
- Testing weekly creates cumulative performance lifts
- Internal campaigns ensure our client strategies stay ahead of trends
- Cold email remains one of the highest ROI channels in B2B

Work With Pearl Lemon Leads
Want cold email campaigns that actually produce meetings, not just “opens”?
Work with the team that achieves 80% open rates for themselves and their clients.
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