
Siim Pettai
Retention Marketer for eCommerce Brands
Stop blasting email/SMS, start building retention systems.
Every Friday, I send a short-form essay on how DTC eCommerce brands can generate more profit from every customer in their database.
P.S. You get a free retention marketing gift when you sign up!
Read previous editions

I Tried Writing Email Copy With Fable 5
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Retention Metric You Need To Track In 2026
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7 Strategies To Write Irresistible eCommerce Emails
Read article
What Subscription Brands Can Learn From Atomic Habits
Read article
9 Tactics To Boost LTV Fast (Without Discounts)
Read article
Should You Offer a 10% Welcome Discount?
Read article
Email Flow Discounts Are Destroying Your Brand
Read article
9 Retention Marketing Truths I Wish I Knew In 2023
Read article
"i loved your product but now I hate you"
Read article
8 Lessons After Writing 1,000+ Emails For Clients
Read article
Your Retention Strategy Is Missing a Whole Channel
Read article
Your Post-Purchase Sequence Needs These 5 Emails
Read article
This Simple Question Will Instantly Make You Write Better Marketing Copy
Read article
I Spent $350 On a Retention Marketing Course
Read articleResources well worth the $0
Testimonials from previous clients
"Fantastic to work with"
"Siim helped us re-do our Klaviyo flows and provided great insights along the way. I really appreciated the back-and-forth iteration; he either implemented our feedback immediately or explained the logic behind a better approach. He's a clear communicator, always on time, and very easy to work with. Highly recommended for any e-commerce brand!"
Ganesh Rajavelu
Founder, Just Jits
"We hit our largest revenue quarter"
"Siim built a thorough email automation system for us and took ownership of our email list throughout Black Friday. He kept bringing creative ideas to the table and executed them. The ROI was 100% worth it."
Albert Varkki
Founder, Von Baer
"I had a match with Siim from the beginning"
"It was inspiring to see Siim work on email marketing. He rebuilt my flows and helped me improve my campaigning so much. I've worked with freelancers before who struggled to understand my brand. That was never the case with Siim."
Christina Braun
Founder, Maison Marron et Amis
"We 3X'd our revenue with Siim"
"I worked closely with Siim for three years. He took complete ownership of our marketing, from growing our email list to running our blog. Reliable, forward-thinking, and easy to work with."
Käthe-Riin Tull
Founder, TalentHub
"I'd definitely recommend Siim"
"Siim has done a great job writing our newsletters."
Aleksa Filipovic
MeasureSchool
"Hands down the best copywriter"
"Siim's expertise in copywriting, ecommerce knowledge, and passion for his craft are unmatched."
Micah Eisen
Founder, Insendo
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