We are a full stack digital agency based in New York with offices in Ukraine. We are mostly specialised in e-commerce development. But we also do mobile apps and Artificial Intelligence.

      We support our clients worldwide and take pride in our clients success. Our team consists of eCommerce experts who have created over 50 projects. Our passion is to help merchants leverage technology to sustainably grow and build their business.


{ Out-Staffing

You can hire a remote developer from us. Remote developer will have at least 4 hours of overlapped working hours with US local time. You can have an access to screen shots of the developer and other tools for control.

{ Extension Development

We develop custom extensions of any complexity. We can integrate your online store with ERP systems and other third party platforms, add new payment gateways, and new shipping methods, etc. etc.

{Migration and Upgrade

Migrate or upgrade your existing applications/websites to the Magento framework steering clear of any downtime and loss of data.

{Mobile App Development

Keeping pace with progress, Open Tag provides mobile application development services. Our mobile developers use state-of-the-art technologies for iOS and Android. 

{Artificial Intelegence

Boost your e-commerce business by integrating artificial intelligence into it. We develop automatic recommendations to the customers based on the analysis of the historic data, image similarities, behavioural analysis etc.

{Theme Development

Improve your e-commerce website with customized Magento themes that best suit your business values, preferences, and requirements.

FOR YOU ] because:
{ Quality
We focus on specialists and continuous improvement. You will find experts to solve.
{ Fast
Sometimes we get on problematic projects when our customers have run out of resources and time. We aware that the timely implementation of projects is the top priority.
{ Reasonable price
Affordability is important. We are constantly looking for solutions to make our offer competitive and our customers satisfied.


         We work closely with our clients to craft personalized and innovative solutions that enable them to get an exclusive website.
 With our proven implementation process, let us take you from start to success with all the tools you’ll need to launch a prosperous eCommerce site.

Establish a project roadmap that fully encompasses your vision and goals


Create beautiful concepts that will translate into exceptional experiences

counter3Develop + Deploy

Bring your eCommerce site to life with robust features and functionality


Continue to grow your business and revenue with strategic enhancements


01/ Magento Version Upgrade
02/ Magento Customization
03/ Responsive Design Development
04/ Magento Website Development
05/ Integration with Third-Party Applications
06/  Extension Development and Integration
07/  Customized Theme Development and Design
08/ Plugin Development and Integration
09/ PSD to Magento Conversion
10/ Payment Getaway Integration
11/ Shopping Cart Development
12/  Magento Performance Optimization
13/ Maintenance and Support Services