What does building an online shop with nextlevels cost?

It depends heavily on scope. A manageable shop based on Shopware typically starts in the low five-figure range, while complex B2B or headless projects with ERP and PIM interfaces sit above that. On top come running costs for hosting, licenses and maintenance as a separate line item. You get a concrete fixed-price offer after a short discovery in which we clarify requirements, interfaces and data volumes.

How long until my shop goes live?

A clearly scoped shop usually takes from a few weeks to a few months. The range is wide because it depends on the number of interfaces, the complexity of your assortment and the data migration. We work in iterations: you see a working state early and give feedback, rather than only seeing the finished result at the end.

Which shop system do you recommend – Shopware, headless or something else?

Our focus is Shopware, because as an open-source system it is powerful, extensible and well established in the German mid-market. We recommend headless architectures (Shopware as backend, your own frontend) when you need maximum frontend freedom or special performance. We make the decision based on your requirements, not on principle – a simple shop doesn't need a headless setup.

Can you migrate my existing shop?

Yes. We migrate existing shops including product data, customers, order history and URL structure. The URLs and redirects in particular are crucial so your SEO rankings don't collapse during the move. Before migrating we analyze your current shop and plan the move so ongoing operations are disrupted as little as possible.

Do you support B2B, B2C and D2C equally?

Yes. In B2C, conversion, speed and a frictionless checkout matter most. In B2B, requirements such as customer-specific price lists, tiered pricing, order approvals, quotation features and ERP integration come into play. We support D2C brands from brand staging to the logistics interface. We build the shop around your business model, not the other way round.

How do you ensure performance and scalability?

Performance isn't an afterthought for us but part of the architecture. We optimize for good Core Web Vitals, use caching, a CDN and clean database indexes, and test behavior under load. That keeps your shop fast and stable even during load peaks such as sales campaigns or Black Friday.

What about data protection, security and payment processing?

We build shops GDPR-compliant and integrate payments via certified payment providers, so no sensitive card data sits on your server. Updates, secure configuration and a roles-and-permissions concept are standard for us. In e-commerce, security isn't an optional add-on but a prerequisite for trust and conversion.

Who owns the shop – does vendor lock-in arise?

You own everything: code, configuration, data and content. Because we build on open-source technology like Shopware, you're not tied to proprietary systems and could in principle hand operations to another team. We document cleanly – vendor lock-in is not our business model.

E-Commerce: Migration & Replatforming

Migration& Replatforming

An outdated or outgrown platform slows your growth – and switching is risky if it runs without structure. We plan your migration as a controlled project: from an inventory of what you have, through full data transfer, to an SEO-safe switchover. Whether you move from Shopware 5, Magento, OXID or a custom build to Shopware 6, the result is a modern platform that leaves your data, your rankings and your live operation untouched.

Plan a clean migration

Challenges you'll recognise

Your current platform is no longer actively developed or runs on an outdated version that will soon lose security updates.
You want to migrate but fear losing data or the Google rankings you built up over years.
Earlier platform switches got out of hand, blew the budget or caused days of downtime.

Services in detail

Good to know

Redirects decide SEO success
A platform switch usually changes the URLs. Without a complete 301 redirect map you lose rankings and therefore traffic – often permanently. Redirect planning is not a detail at the end but a central part of every serious migration.
Replatforming is a chance to clean up
A move is the best moment to question accumulated legacy. Copying the old setup one to one carries the same problems along. We use the switch to deliberately streamline data models, processes and interfaces.
Parallel operation minimizes risk
Because the old shop keeps running until switchover and the new platform is tested against the original in a staging environment first, the go-live is not a leap of faith. A documented rollback plan keeps even unexpected problems manageable.

Frequently asked questions

Which systems do you migrate to Shopware 6?

We regularly migrate from Shopware 5, Magento, OXID, Gambio, WooCommerce and custom in-house builds to Shopware 6. For common source systems we use proven mapping scripts; for custom builds we analyze the database structure and design the migration path individually.

Will I lose my Google rankings during migration?

Not if the migration is planned properly. The decisive lever is gap-free 301 redirects from old to new URLs plus carrying over meta and structured data. We build a complete redirect map and monitor indexing after launch so rankings and traffic are preserved.

Does my shop have to go offline during migration?

No. Your current shop keeps running fully until the go-live date while we build and test the new platform in parallel. We schedule the actual switchover in a low-traffic window and keep downtime to a minimum – usually a few minutes.

How long does a replatforming project take?

It depends on data volume, interfaces and custom adjustments. A close-to-standard move is often done in a few weeks; complex projects with ERP integration and a large catalog take longer accordingly. After an initial inventory we give you a realistic timeframe.

What happens if something goes wrong at go-live?

For exactly that case a prepared rollback plan exists: we can switch back to the old state in a controlled way without losing data. Full backups, test phases in a staging environment and clear escalation paths keep the risk manageable throughout the process.

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Why nextlevels

Success you can measure

A replatforming isn't decided on launch day but in the preparation. We migrate as a controlled project with a rollback plan — so you keep your rankings, data and revenue.

Data without loss
Full transfer of all orders, customers and content — with no inconsistencies.
Rankings stay
Complete redirect concepts protect your organic visibility through the switch.
Go-live without standstill
Parallel operation and clear acceptance criteria keep the switch uninterrupted.
Plan over gut feeling
A documented process with a rollback option — no big-bang risk.

Ready for your successful online shop?

Whether it's an improvement or a fresh start — a no-obligation conversation never hurt anyone.

Paul Kalisch
Executive Partner

info@nextlevels.de +49 (0) 2161 539 71 60