Key Highlights
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Choosing the right agency is crucial when re-platforming a large-scale eCommerce platform to ensure a smooth transition.
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Top agencies possess deep expertise in platforms like Shopify Plus, Magento, and BigCommerce, along with a proven track record.
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Key evaluation criteria include experience with high-volume websites, innovative design, and robust data security protocols.
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Thegenielab stands out as a premium Shopify Plus agency, offering tailored solutions that boost eCommerce sales and improve online shopping experiences.
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Post-migration support and store optimization are essential for long-term growth and excellent customer service.
Introduction
Is your current eCommerce platform holding your business back? Re-platforming a large online store is a major decision that can define your future growth in the competitive eCommerce industry. It involves migrating your entire operation to a new system that better suits your needs for scalability, performance, and user experience. This guide will explore the leading agencies experienced in this complex process, outline the criteria for choosing the right partner, and highlight why Thegenielab is a premier choice for merchants moving to Shopify Plus.
Leading Agencies Experienced in Re-platforming Large eCommerce Websites
When your online business is ready to scale, selecting an agency to handle your re-platforming is one of the most important decisions you'll make. The right partner understands the complexities of migrating data, preserving SEO, and minimizing downtime to protect your online sales. They act as more than just developers; they are strategic partners in your growth.
Many eCommerce companies turn to specialists who have positive customer reviews and a history of successful projects. Below are some of the leading agencies known for their expertise in moving large eCommerce platform operations to new, more powerful systems.
1. Thegenielab – Shopify Plus Experts
With over a decade of experience, Thegenielab has established itself as a leader in creating innovative commerce experiences. They are certified Shopify Plus Experts who blend strategy, technology, and creativity to grow their clients' businesses. Their primary focus is on crafting websites that not only look good but also generate leads and drive eCommerce sales.
The team at Thegenielab offers a unique mix of services, including custom theme design, app development, and business automation. They understand that as your online store grows, your back-end processes must scale accordingly. This holistic approach ensures your online platform is prepared for increased demand.
Their portfolio showcases successful migrations and redesigns for clients like Out Grow, which moved from Magento to Shopify Plus, and Casual Basement, which saw faster site speeds and increased conversions after a platform migration. This proven expertise makes them a go-to agency for merchants aiming to compete with the largest online retailers.
2. BlueSwitch – Enterprise eCommerce Solutions
BlueSwitch is a well-regarded agency that focuses on enterprise-level eCommerce solutions. They specialize in helping large-scale ecommerce stores navigate the complexities of re-platforming to more robust and scalable systems. Their team is known for its technical proficiency and strategic approach to digital commerce.
The agency excels at creating engaging online marketplaces that enhance customer engagement and drive sales. By focusing on the end-user, BlueSwitch develops eCommerce platform solutions that are both powerful and intuitive, capable of handling a wide range of products and high transaction volumes.
For businesses looking to expand their digital footprint, BlueSwitch offers comprehensive services that cover everything from initial strategy to post-launch optimization. Their experience with large eCommerce companies makes them a solid choice for any brand looking to elevate its online presence and compete with leading global retailers.
3. Absolute Web – Magento & Shopify Specialists
Absolute Web has carved out a niche as specialists in both Magento and Shopify, two of the most popular platforms in the eCommerce industry. This dual expertise allows them to provide unbiased advice and execute complex migrations from one platform to the other, or from a different system entirely.
Their team understands the nuances of each platform, enabling them to build custom solutions that cater to specific business needs. Whether a business requires the extensive customization capabilities of Magento or the user-friendly interface of Shopify, Absolute Web has the skills to deliver.
By focusing on creating a seamless online shopping experience, they help businesses expand their product range and attract more customers. Their knowledge of these powerful platforms makes them a valuable partner for any company planning a significant digital transformation.
4. R/GA – Global Digital Commerce Innovators
R/GA is recognized globally for its forward-thinking approach to digital commerce. The agency is less about standard templates and more about creating groundbreaking, innovative designs that push the boundaries of what an eCommerce platform can do. They are known for building immersive and highly interactive user experiences.
Their work often involves integrating eCommerce with broader digital ecosystems, including social media platforms and content hubs. This creates a cohesive brand journey that captures customer attention and fosters loyalty. R/GA's strength lies in its ability to combine creative design with powerful technology.
For large brands wanting to make a bold statement, R/GA delivers digital commerce sites with innovative designs that stand out in a crowded market. Their focus on a high-quality user experience ensures that the websites are not just visually stunning but also effective at converting visitors into customers.
5. Avex Designs – Shopify Plus and Headless Commerce
Avex Designs is at the forefront of modern eCommerce development, specializing in Shopify Plus and headless commerce. Headless architecture decouples the front-end presentation layer from the back-end ecommerce engine, offering unparalleled flexibility and speed. This approach is ideal for large businesses wanting to create unique shopping experiences.
This specialization allows Avex to build lightning-fast, highly customized storefronts that perform exceptionally well on mobile devices. By leveraging headless commerce, they help brands deliver rich content and a seamless user journey, which is critical for boosting customer satisfaction.
Many big eCommerce sites are known for their flashy user experiences, and agencies like Avex make this possible. Their expertise in headless and Shopify Plus enables them to create dynamic and engaging shopping experiences that are difficult to achieve with traditional platform architectures.
6. Bounteous – Adobe Commerce & Platform Migrations
Bounteous is an agency with deep expertise in Adobe Commerce (formerly Magento) and complex platform migration projects. They are a trusted partner for large enterprises that require a robust, scalable, and highly customizable eCommerce platform. Their experience makes them adept at handling the challenges of moving high-volume websites.
An agency becomes experienced in re-platforming by successfully managing numerous large-scale projects, and Bounteous has a strong track record. They understand the intricacies of data migration, system integrations, and performance tuning necessary to ensure a smooth transition with minimal disruption to online sales.
Their focus extends beyond the technical migration to long-term strategy, helping businesses build customer loyalty and drive growth. For companies running on or considering Adobe Commerce, Bounteous offers the strategic guidance and technical skills needed for a successful implementation.
7. Corra – Omnichannel eCommerce Strategy Experts
Corra stands out for its expertise in developing omnichannel ecommerce strategies. They understand that modern online shoppers interact with brands across multiple touchpoints, from physical stores to mobile commerce apps and social media. Corra specializes in unifying these channels to create a single, seamless customer experience.
One of the features that sets top large ecommerce stores apart is a cohesive omnichannel presence, and Corra helps businesses achieve this. They work to expand a brand's customer base by ensuring that the eCommerce platform is perfectly integrated with all other retail operations.
Their strategic approach ensures that whether a customer is browsing on their phone or visiting a store, the brand experience is consistent and convenient. This focus on the complete customer journey makes Corra a leader for retailers looking to master omnichannel commerce.
8. Wpromote – BigCommerce and Shopify Migrations
Wpromote stands out with its expertise in migrating large eCommerce websites to platforms like BigCommerce and Shopify. Their approach focuses on creating a seamless shopping experience for online shoppers, ensuring that the transition does not disrupt online sales. With a keen understanding of each platform's strengths, they enhance user experience and support competitive pricing while maximizing customer engagement. Whether it's through strategic SEO or optimized delivery services, Wpromote's commitment to boosting client visibility helps brands maintain a strong market share amidst fierce competition.
9. Something Digital – Enterprise Platform Migrations
Something Digital, now part of the Rightpoint family, specializes in enterprise platform migrations for a wide range of industries, including fashion and home goods. They are known for their strategic consulting and ability to handle the complexities of large-scale ecommerce projects.
One of the key factors to consider when re-platforming a large ecommerce website is the impact on customer service. Something Digital focuses on creating a user experience that not only looks great but is also intuitive and supportive, often integrating features like exclusive discounts and loyalty programs to retain customers post-migration.
Their comprehensive approach to platform migration covers everything from initial discovery and strategy to design, development, and post-launch support. This end-to-end service makes them a reliable choice for enterprise businesses seeking a seamless transition to a new eCommerce platform.
10. Growth Spark – Custom Shopify Solutions
Growth Spark is a boutique agency that focuses on designing and building custom Shopify solutions for ambitious brands. They believe that an eCommerce business should not be limited by a theme's constraints and work to create unique online stores that reflect a brand's identity and goals.
Their process is centered on improving the user experience to drive conversions and encourage repeat purchases. By developing custom features and tailoring the design to the target audience, Growth Spark helps businesses stand out in a competitive market. Their solutions are built to be both beautiful and highly functional.
Instead of just competing with dominant marketplaces, stores built by Growth Spark are designed to create a loyal community around the brand. Their commitment to custom Shopify solutions makes them an excellent partner for businesses that want a truly bespoke online presence.
Criteria for Evaluating Agencies for Large-Scale Re-platforming
Choosing the right agency for a large-scale platform migration is a critical step. A successful re-platforming project depends on more than just technical skill; it requires a partner who understands your business goals, your customers, and the nuances of the eCommerce industry. Evaluating potential agencies on a clear set of criteria will help you find the perfect fit.
From their experience with high-volume traffic to their approach to design and post-migration customer service, every detail matters. The following sections will break down the key criteria you should use to evaluate agencies experienced in re-platforming large eCommerce websites.
Experience with High-Volume Websites
When you're re-platforming a large ecommerce website, you need an agency that is comfortable playing in the big leagues. Experience with high-volume websites is non-negotiable. An agency must demonstrate its ability to build and manage platforms that can handle thousands of simultaneous online shoppers and massive spikes in traffic without crashing.
This expertise is crucial for maintaining business continuity and protecting your eCommerce sales. The agency should have a portfolio of clients with high net sales, proving they can engineer a site that performs under pressure. They need to understand the architecture required to support a large catalog and millions of transactions.
Websites with the highest web sales in the USA, like Amazon and Walmart, set a high bar for performance. While your store may not be at that scale, your agency should apply the same principles of durability and efficiency to ensure your eCommerce market presence is strong and reliable.
Proven Track Record in Successful Migrations
What makes an agency experienced in re-platforming? A proven track record. You should look for an agency that can show you a history of successful, similar-scale migration projects. Ask for case studies, client testimonials, and references. This evidence is your best indicator of their ability to deliver on their promises.
Positive customer reviews and detailed case studies reveal how an agency handles challenges, communicates with clients, and manages deadlines. For example, testimonials for Thegenielab praise their on-budget and ahead-of-schedule completion of a store migration, highlighting their reliability and expertise.
A successful migration means more than just launching a new eCommerce website. It involves preserving your SEO equity, ensuring no data is lost, and delivering a bug-free online platform. An agency with a strong track record has a refined process to manage these risks and ensure a smooth transition.
Expertise Across Multiple eCommerce Platforms
An agency that only knows one ecommerce platform might try to sell you that platform, even if it's not the best fit for your business. An agency with expertise across multiple systems, such as Shopify, Magento, and BigCommerce, can provide a more objective recommendation based on your specific needs.
This multi-platform knowledge is a sign of a well-rounded and experienced team. For instance, Thegenielab showcases expertise in Shopify, BigCommerce, and Magento, allowing them to advise clients on the best path forward. They can compare the pros and cons of each, helping you make an informed decision.
Whether you're a B2B business needing the complex features of Magento or a direct-to-consumer brand like Home Depot that requires a robust, user-friendly platform, an agency with broad expertise can guide you to the right solution. They can handle migrations between any of these popular global eCommerce platforms with confidence.
Innovative Design and User Experience Approaches
In today's market, a generic theme won't cut it for a large eCommerce brand. Your agency should bring innovative design and user experience (UX) approaches to the table. Their goal should be to create a visually engaging and intuitive online platform that guides users effortlessly from discovery to checkout.
This means thinking beyond standard layouts and incorporating features that enhance the shopping journey. A top agency will focus on creating a design that is not only beautiful but also conversion-optimized. They should have a portfolio that showcases their creative and strategic UX solutions.
Look for an agency that prioritizes:
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Mobile-First Design: Ensuring the mobile app and website are flawless on smaller screens.
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Personalization: Using data to tailor the experience to individual users.
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Accessibility: Building a site that is usable by people of all abilities.
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Fast Performance: Designing for speed to improve customer satisfaction.
Scalability and Performance Optimization
Your new ecommerce platform shouldn't just meet your current needs; it must be built for the future. Scalability is one of the most important features that sets the top large eCommerce stores apart. The agency you choose must build an online platform capable of growing with your business, whether that means adding new products, expanding into new markets, or handling a surge in ecommerce sales.
This involves making smart architectural choices and optimizing for performance from day one. The agency should focus on fast load times, efficient code, and a robust server infrastructure. Performance optimization is not a one-time task but an ongoing process to ensure your site remains quick and responsive.
A slow website frustrates users, hurts your search engine rankings, and leads to lost sales, especially on mobile devices. Your agency partner should have a clear strategy for performance monitoring and optimization to ensure your site can handle growth without compromising the user experience.
Essential Features That Set Top Agencies Apart
When evaluating agencies, you'll find that the best ones offer more than just development services. Certain essential features set the top agencies apart from the rest. These are the qualities that transform a one-time project into a long-term partnership, focusing on sustained growth and success.
From advanced customization and post-migration support to ironclad data security, these features are hallmarks of an agency truly invested in your success. The following sections will cover the key differentiators that define a premium ecommerce platform partner and help you maximize your online sales.
Advanced Customization and Integration Capabilities
Large ecommerce businesses rarely fit into an out-of-the-box solution. Top agencies excel at advanced customization and integration, tailoring the eCommerce platform to your unique workflows and business goals. They can build custom apps and features that give you a competitive edge. This is how big ecommerce sites achieve their flashy, unique user experiences.
This capability is crucial for connecting your online platform with your existing business systems. An expert agency can seamlessly integrate your store with ERPs, CRMs, inventory management software, and third-party logistics providers. Thegenielab, for example, highlights its ability to build custom apps and connect back-end processes to deliver elegant, automated solutions.
An agency's customization and integration expertise should include:
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Custom App Development: Building proprietary apps for unique items or business needs.
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API Integrations: Connecting your store to any third-party service.
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Exclusive Brand Experiences: Creating tailored shopping journeys for specific product lines.
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Workflow Automation: Streamlining your back-office operations.
Data Security and Compliance Management
In the modern ecommerce industry, data security is not optional—it's a fundamental requirement. A top-tier agency will have a deep understanding of data security and compliance management. They must be able to build a platform that protects your customers' sensitive information and your business from threats.
This includes implementing best practices for securing customer accounts, payment information, and personal data. The agency should be well-versed in compliance standards like PCI DSS for payment methods and GDPR for data privacy. This expertise is a key indicator of what makes an agency experienced and trustworthy.
Your agency should be a proactive partner in security, conducting regular audits, implementing security patches, and monitoring for vulnerabilities. Strong security builds trust with your customers, enhances your brand's reputation, and provides peace of mind, allowing you to focus on growth instead of worrying about data breaches.
Post-Migration Support and Store Optimization
The work isn't over once the new site goes live. A distinguishing feature of a great agency is its commitment to post-migration support and ongoing store optimization. They should offer a support plan to address any bugs, answer questions, and ensure your team is comfortable with the new platform.
This long-term partnership is vital for continuous improvement. The agency should help you analyze site performance, identify areas for optimization, and implement changes to improve customer engagement and encourage repeat purchases. For example, Thegenielab's testimonials mention their responsive and ongoing support, which helps clients navigate challenges and grow.
This support should also cover evolving trends, such as the growing importance of mobile commerce. Your agency partner should provide strategic guidance on how to keep your store optimized for all devices and ahead of the competition, ensuring long-term success.
Spotlight on Thegenielab – Why It’s the Premium Choice for Shopify Plus
When it comes to re-platforming to Shopify Plus, Thegenielab stands out as the premium choice for large US ecommerce merchants. Their decade-long experience, combined with a deep specialization in the Shopify ecosystem, makes them uniquely qualified to handle complex, enterprise-level migrations. They don't just build an online store; they build a growth engine designed to increase ecommerce sales and create exceptional shopping experiences.
Their approach is a blend of technical expertise, creative design, and strategic business insight. Thegenielab understands that a successful migration is about more than just technology—it's about aligning the platform with your brand's vision and operational needs. From custom theme development to complex app integrations and post-launch customer service, they provide an end-to-end solution that empowers businesses to thrive on Shopify Plus.
Deep Expertise in Shopify Plus Re-platforming
Thegenielab’s deep expertise in Shopify Plus is a key reason they are a premium choice for migrations in the USA. As certified Shopify Experts, they have an intimate understanding of the platform's advanced capabilities, from customizable checkouts to exclusive APIs. This knowledge allows them to unlock the full potential of Shopify Plus for their clients.
Their team is skilled at handling the specific challenges of re-platforming large ecommerce stores to Shopify Plus. This includes migrating massive amounts of data, recreating complex functionalities, and integrating with enterprise-level systems. Their work with clients like Shotkam on their Shopify Plus store demonstrates their ability to handle theme development, optimization, and UX improvements at a high level.
This specialization ensures a smooth and efficient migration process. Instead of a generic approach, Thegenielab provides solutions that are specifically designed for the Shopify Plus ecommerce platform, ensuring optimal performance, scalability, and a seamless online shopping experience for your customers.
Tailored Solutions for Large US eCommerce Merchants
Thegenielab understands that large eCommerce companies in the United States have unique needs. They excel at providing tailored solutions that cater to a diverse customer base and are designed to drive total sales. With a presence in the US, they have a firsthand understanding of the market and the challenges facing American merchants.
Instead of one-size-fits-all templates, Thegenielab develops custom solutions that align with your business goals. This includes creating custom Shopify apps, designing unique themes, and automating back-end processes to handle increased demand. Their work with US clients is backed by testimonials praising their ability to meet all project goals and deliver high-performance sites.
This tailored approach ensures that your new platform is not just a technical upgrade but a strategic asset. By focusing on the specific requirements of large US merchants, Thegenielab helps ecommerce companies build a powerful online presence that can compete with top ecommerce websites in the country.
Robust Track Record of Enterprise-Level Migrations
A proven track record is the ultimate proof of an agency's capabilities, and Thegenielab has a robust history of successful enterprise-level migrations. Their portfolio is filled with examples of large eCommerce companies they have successfully re-platformed, resulting in faster site speeds, improved stability, and higher conversion rates. Positive customer reviews consistently highlight their ability to deliver projects on time and on budget.
Their migration for Out Grow from Magento to Shopify Plus and the full redesign and platform migration for Casual Basement are prime examples of their expertise. These projects involved complex data transfers and custom development, showcasing their ability to handle any challenge. This track record gives clients the confidence that their enterprise migration is in safe hands.
Here are a few highlights from their client work:
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Client |
Service Provided |
Outcome |
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Out Grow |
Magento to Shopify Plus Migration |
Successfully moved a large, existing website to a more scalable and user-friendly platform. |
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Casual Basement |
Platform Migration & Redesign |
Achieved faster site speeds, improved stability, and a significant increase in conversion rates. |
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Shotkam |
Shopify Plus Optimization |
Implemented design changes, site speed optimization, and UX improvements for a high-volume store. |
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Journelle |
Shopify Plus Support |
Provided regular theme development, custom apps, and conversion rate optimization. |
Conclusion
In conclusion, re-platforming a large eCommerce website is a significant step that can greatly enhance your business's online presence and performance. Choosing the right agency, like Thegenielab, is crucial for a seamless transition. With their specialized expertise in Shopify Plus, they offer tailored solutions that cater to the unique needs of large US merchants. Their proven track record in managing enterprise-level migrations ensures that your project will be handled with care and professionalism. Don't underestimate the impact of a well-executed migration on your business's success. If you're ready to explore how Thegenielab can elevate your eCommerce experience, get in touch for a free consultation!
Frequently Asked Questions
What makes an agency experienced in re-platforming large eCommerce websites?
An experienced agency has a proven track record of successful, large-scale migrations, deep expertise in multiple eCommerce platforms, and strong customer testimonials. They understand the complexities of data migration, SEO preservation, and high-volume traffic, ensuring a smooth transition for your online store and excellent customer service.
How do agencies ensure minimal downtime during a platform migration?
Agencies minimize downtime through meticulous planning, which includes building and testing the new site on a staging server. The platform migration is typically scheduled during off-peak hours, and a comprehensive checklist is followed to ensure a quick and seamless switch, protecting your online sales and customer satisfaction.
Why is Thegenielab considered the premium choice for Shopify Plus migrations in the USA?
Thegenielab is a premium choice due to its deep expertise as certified Shopify Plus experts, a decade-long track record of successful enterprise migrations, and tailored solutions for the United States market. Their focus on strategy, custom development, and post-launch customer service ensures a superior online shopping experience.
How can I assess if my current eCommerce platform is no longer meeting my needs?
Assess your platform by looking for signs like slow performance, high maintenance costs, a poor user experience, or a lack of essential features. If your current system hinders growth, can't integrate with new tools, or receives negative customer reviews, it’s likely time to consider re-platforming your online store.
What are the key factors to consider when re-platforming a large eCommerce website?
Key factors include the total cost and timeline, the scalability of the new eCommerce platform, and the agency's plan for data security and migration. You should also consider the impact on your SEO, the level of post-launch support, and how the new platform will improve customer satisfaction and online sales.

