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Custom eCommerce, Web & Mobile Development

Your best  e-commerce development partner

Kozak Group is a trusted eCommerce development firm with over 11 years of expertise building scalable B2B platforms and top-notch eCommerce websites.
As a leading Magento development agency & Shopify development partner, we deliver 90+ PageSpeed sites from startups to enterprises. Headquartered in Poland, our 50+ experts provide full-cycle solutions-strategy, design, development, CRO (20-50% lifts), speed optimization, and ERP/CRM integrations - for resilient stores that drive revenue and loyalty

  • Min project size
    $10,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    50 - 249
  • Locations
    Kraków, Poland
  • Year founded
    Founded 2015

1 Locations

  • Kraków , Poland

Select Focus Area
Application Platforms
Amazon Application Development Framework
50%
Linux server
25%
Azure Platform
10%
Heroku
5%
E-commerce Systems
Frameworks and CMS
Spring MVC
15%
Programming & Scripting
PHP
25%
Typescript
25%
Java
15%
Industries
eCommerce
45%
Retail
25%
Information technology
10%
Other industries
10%
Medical
5%
Real estate
5%
Clients
Midmarket ($10M - $1B)
45%
Small Business (<$10M)
30%
Enterprise (>$1B)
25%

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.9 /5

What Clients Have Said

Kozak Group offers competitive pricing and good value for cost, with clients noting budget alignment and transparent pricing. They provide staff augmentation and development services, typically involving 2-5 team members per project, ensuring high-quality deliverables and effective communication.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 7 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Highly Rated Similar Providers

Kozak Group Review Insights

Overall Review Rating

5.0
  • Quality 5.0
  • Schedule 5.0
  • Cost 4.9
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Efficient Staff Augmentation

    Kozak Group effectively provides staff augmentation services, allowing clients to scale development capacity quickly without lengthy hiring processes. Their developers integrate seamlessly with in-house teams, maintaining high standards and improving project delivery timelines.

  • Professionalism and Technical Proficiency

    Kozak Group is recognized for their professionalism and technical proficiency across various projects. Clients appreciate their team's skill, efficiency, and creativity, which are hard to find elsewhere in the industry.

  • Areas for Improvement: Proactive Feature Suggestions

    While overall client feedback is positive, some clients suggest Kozak Group could improve by offering more proactive ideas for new features or trends. This could enhance their already strong service offering.

  • Strong Communication and Project Management

    Kozak Group is noted for excellent project management and communication. They are responsive, organized, and adhere to timelines, facilitating smooth project execution and effective collaboration through virtual meetings and various project management tools.

  • Magento Expertise and E-commerce Solutions

    Clients consistently praise Kozak Group's deep expertise in Magento and e-commerce development. They handle platform migrations, redesigns, and optimization with proficiency, leading to improved site performance, increased conversion rates, and a polished professional look.

  • Flexibility and Problem-solving

    The team at Kozak Group is flexible and adept at problem-solving, often providing quick solutions to issues. They are proactive in addressing potential problems, ensuring seamless project progression and maintaining high-quality standards.

Kozak Group Reviews

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IT Staff Augmentation for IT Services Company

  • IT Staff Augmentation Web Development
  • $50,000 to $199,999
  • Nov. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their team members are self-sufficient, ask the right questions, and don't need hand-holding."

May 4, 2026
CEO, Brights
Dmytro Umen
Verified
  • Information technology
  • Poland
  • 51-200 Employees
  • Online Review
  • Verified

Kozak Group provides staff augmentation services for an IT services company. The team works alongside the client's in-house developers on active projects, handling front- and backend development tasks.

Magento Dev & Conversion Rate Optimization for Jewelry Brand

  • Conversion Optimization Web Development
  • Landing Page Optimization Services
    +1
  • $10,000 to $49,999
  • Apr. 2025 - Apr. 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their CRO suggestions were practical and backed by data, not guesswork."

Apr 13, 2026
Owner, Pierre Diamonds
Jack
Verified
  • eCommerce
  • Sydney, Australia
  • 11-50 Employees
  • Online Review
  • Verified

Kozak Group provided Magento development and conversion rate optimization services for a jewelry brand. They monitored performance, implemented security patches, fixed bugs, and optimized landing pages.

E-Commerce Web Upgrade & Redesign for E-Commerce Company

  • E-Commerce Development Web Design Web Development
  • Magento
  • Confidential
  • August 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Throughout the project, we felt genuinely taken care of."

Mar 24, 2026
CTO, Storkz
Daniel Kovacs
Verified
  • eCommerce
  • Nashville, Tennessee
  • 11-50 Employees
  • Online Review
  • Verified

Kozak Group upgraded and redesigned an e-commerce platform for an e-commerce company. The team migrated the client's store from Adobe Commerce 1 to Adobe Commerce 2 and implemented a custom redesign.

E-Commerce Development for Web Development Agency

  • E-Commerce Development
  • $10,000 to $49,999
  • Jan. 2020 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We're impressed with the quality of their work and attention to detail."

Jul 13, 2022
Co-Founder, Stellar Soft
Jack Ananchenko
Verified
  • Other industries
  • Kyiv, Ukraine
  • 11-50 Employees
  • Online Review
  • Verified

Kozak Group is providing e-commerce development support for a web development agency. They're tasked with integrating an end client's Magento site with a third-party API from scratch.

E-Commerce Development for Tea & Teaware Brand

  • E-Commerce Development
  • $50,000 to $199,999
  • Jan. 2019 - Apr. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"With Kozak Group, the project was completed and delivered on time."

Apr 25, 2022
Managing Director, Tea & Teaware Brand
John Romano
Verified
  • Other industries
  • Fort Lauderdale, Florida
  • 1-10 Employees
  • Online Review
  • Verified

Kozak Group developed complex Magento features and integrated additional third-party modules for a tea and teaware brand. They aimed at recreating the site and its functionalities.

Magento & Custom PHP Development for E-Commerce Dev Agency

  • E-Commerce Development
  • $50,000 to $199,999
  • Jan. 2019 - Apr. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“The quality of their development has been hard for me to find elsewhere in almost 20 years in this industry.”

 

Apr 19, 2022
CEO & Co-Founder, Pineapple Development
Donizete (Donny) Minchillo Jr
Verified
  • Other industries
  • St. Petersburg, Florida
  • 11-50 Employees
  • Online Review
  • Verified

An e-commerce web development agency retained Kozak Group to work on dozens of Magento and custom PHP development. For each project, they focused on the user shopping journey, search, and check-out functions.

Magento 2 Web Dev & E-Commerce Consulting for Car Parts Shop

  • E-Commerce Development
  • $10,000 to $49,999
  • Feb. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"They have an outstanding response time and they promptly attend to the issues that arise to provide solutions."

Apr 8, 2022
E-Commerce Specialist, ATO24 AutoTeileOnline GmbH
Anonymous
Verified
  • Automotive
  • Bielefeld, Germany
  • 11-50 Employees
  • Online Review
  • Verified

Kozak Group builds a Magento 2 store for a car parts shop. They also provide guidance about the e-commerce industry.

Web Development for Sports Fashion Shop

  • Web Development
  • Less than $10,000
  • Oct. 2018 - Jan. 2019
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Our collaboration with them was good and very productive."

Apr 23, 2021
Founder, Vintage Sports Fashion
Roman Metrik
Verified
  • Retail
  • Zaporizhzhya, Ukraine
  • 11-50 Employees
  • Online Review
  • Verified

Kozak Group developed a website for a sports fashion shop. They provided full-stack development using jQuery, Magento2, MySQL, PHP, HTML, and CSS.

Showing 1-8 of 8 Reviews

Packages we offer:

Conversion Rate Optimization (CRO)

We will deliver an expert Conversion Rate Optimization (CRO) for eCommerce sites. Using data-driven CRO optimization techniques like A/B testing, heatmaps, UX audits, and funnel analysis, we boost conversions by 20-50% Ideal for Shopify, Magento, WooCommerce stores seeking higher revenue from existing traffic. Partner for measurable growth

Small

Small stores testing basics. Basic audits, Ab test

$1,800 /total
  • Number of revisions: 1

Large

Enterprises & Huge brands maximizing ROI.

$5,000 /total
  • Number of revisions: 3
Features

Small

$1,800

/total

Medium

$3,000

/total

Large

$5,000

/total

Number of revisions

1

2

3

Small

$1,800

/total

Number of revisions

1

Medium

$3,000

/total

Number of revisions

2

Large

$5,000

/total

Number of revisions

3

Our Story

For over 10 years, Kozak Group has partnered with B2B manufacturing, automotive, and luxury e-commerce businesses when generic solutions fall short. We combine growth optimization with hands-on development across Magento, Shopify Plus, and WooCommerce.

Our multi-tier approach delivers everything from store performance improvements to complex custom builds. Over 100 companies rely on us because our recommendations don't just sit in reports. They get built, shipped, and drive real results.

Meet the Team

Vladyslav Koretskyi

Vladyslav KoretskyiCOO

I’m an operational executive with vast experience in e-commerce technology. I ensure seamless system operations and improve site performance through continuous monitoring and analysis.

What Sets Us Apart

Certified Magento Expertise

Over 11 years optimizing hundreds of Magento sites, our certified developers deliver 50% faster loads and 40% SEO gains using PHP/MySQL, REST APIs, and Docker

Versatile Platform Mastery

As a premier Magento development partner and Shopify specialist, we build scalable stores with ERP/CRM integrations, headless setups, and reach 90+ PageSpeed scores across retail to B2B

Client-Centric Partnership

From Krakow, our agile experts prioritize your goals with tailored CRO, speed optimization, and long-term support - earning 98% retention through proven results

Locations (1)

74 Długa KrakówPoland 31-160

41 - 49

Contact Kozak Group

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

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Brights

(1)
Brights Logotype

Olha Yunh

Pierre Diamonds

(1)
Pierre Diamonds Logotype

Jack Germani