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CRO-Led Shopify Growth Partner for $2M+ Brands

Convertibles is a CRO-led Shopify growth partner for DTC brands doing $2M+ in annual revenue.

We run structured A/B testing programs on Shopify Plus stores. Our team has managed $50M+ in paid traffic, so every test is grounded in real acquisition economics.

1,000+ tests run on stores doing $2M to $160M annual revenue, 33 published winners - every one public with the full test and results at convertibles.dev.

Clients include Jones Road Beauty, Performance Golf, and Gymreapers.

  • Min project size
    $5,000+
  • Hourly rate
    $100 - $149 / hr
  • Employees
    2 - 9
  • Locations
    Sofia, Bulgaria
  • Year founded
    Founded 2023

Overview by:

Reviewer avatar
Julian Samarjiev
Co-Founder About the Team

2 Locations

  • Sofia , Bulgaria
  • Brooklyn , NY

Select Focus Area
E-commerce Systems
Industries
eCommerce
100%
Clients
Midmarket ($10M - $1B)
60%
Small Business (<$10M)
40%

Pricing Snapshot

Min. project size $5,000+
Avg. hourly rate $100 - $149 /hr
Rating for cost 5 /5

What Clients Have Said

Convertibles is praised for providing good value for cost, delivering high-quality work for ongoing CRO and Shopify development. Clients report significant improvements, including a 20-30% increase in revenue per visitor, indicating effective pricing relative to outcomes.

This summary is based on verified Clutch reviews.

Most Common Project Size

Confidential based on 2 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Highly Rated Similar Providers

Overall Review Rating

5.0
  • Quality

    5.0 /5
  • Schedule

    5.0 /5
  • Cost

    5.0 /5
  • Willing to Refer

    5.0 /5
See all 2 Reviews

Convertibles Reviews

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E-Commerce Dev & UI/UX Design for DTC & Retail Brand

  • Conversion Optimization E-Commerce Development UX/UI Design
  • Conversion Rate Auditing Services Shopify UX Strategy Landing Page Optimization Services
  • Confidential
  • May 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"What makes them further stand out is how much they feel like an extension of our internal team."

Jul 16, 2026
Director of Customer Experience, DTC & Retail Brand
Sierra DiMaggio
Verified
  • eCommerce
  • Austin, Texas
  • 51-200 Employees
  • Online Review
  • Verified

Convertibles provides ongoing Shopify development and CRO support for a DTC and retail brand. The team has created wireframes and UI/UX designs, built A/B tests, enhanced the site, and provided tech support.

CRO Services for Well & Water E-Commerce Store

  • Conversion Optimization
  • Shopify
  • Confidential
  • Mar. 2026 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They’re totally up for our requests and deliver briefs that we can go or no-go on."

Jul 3, 2026
Marketing Manager, RPS water pumps
Valerie H
Verified
  • eCommerce
  • California, United States
  • 51-200 Employees
  • Online Review
  • Verified

Convertibles provides conversion rate optimization (CRO) for a well and water e-commerce store. The team tests features on the client's Shopify store to improve conversions, interaction, and click-through rate.

Showing 1-2 of 2 Reviews

Our Story

A senior team runs every program end to end - CRO strategist, Shopify developers, designers, QA - and you work directly with the people doing the work. No junior reps, no handoffs.

We publish every winning test with real numbers, so the work is public before you ever book a call. Happy team, measurable results.

Meet the Team

Julian Samarjiev

Julian SamarjievCo-Founder

Co-founder of Convertibles. I build the engine behind the agency - the team, the processes, and the automations that let us run 1,000+ A/B tests on Shopify Plus stores doing $2M to $160M in revenue.

What Sets Us Apart

Every winning test published with real numbers

33 published winners, all public at convertibles.dev. Most agencies show logos, we show the actual tests and the results behind them. You can audit our work before you ever book a call.

A senior team, no handoffs

CRO strategist, Shopify developers, designers, and QA - you work directly with the people doing the work. No junior reps, no account managers passing notes back and forth.

Intelligems Certified Partner

Structured A/B testing programs on Shopify Plus, 1,000+ tests on stores doing $2M to $160M annual revenue. Every roadmap is grounded in real acquisition economics from $50M+ in managed paid traffic.

Locations (2)

Prof. Asen Kiselinchev SofiaBulgaria 1137

2 - 5

Contact Convertibles

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