by Alexander Steireif
Founder and Managing Director of the strategy and technology consultancy Alexander Steireif GmbH. For more than 20 years, he has helped mid-sized businesses digitise their sales operations, build high-performing e-commerce solutions and develop clear strategies for sustainable digital growth.
Deciding to replace your commerce platform is rarely a spontaneous decision. More often, it is the result of mounting frustration over time. Orders take longer to process than they should, integrations become unreliable, and even minor changes turn into major projects. At this point, many mid-sized businesses face the same question: is optimisation still enough, or is it time for a complete restart? The answer is rarely straightforward, but a thorough analysis can make the decision much clearer.
For many mid-sized companies, this is a difficult choice because both options involve significant risks. An overly cautious optimisation strategy may simply extend the life of a system that has already reached its limits. Replacing the platform too early or for the wrong reasons, on the other hand, ties up budget and internal resources without delivering the expected benefits. In the end, both mistakes are likely to cost far more than investing in a proper assessment from the outset.
Why not every problem justifies replacing your platform
It is tempting to blame technical issues on the platform itself. In reality, however, the root cause often lies elsewhere. Poorly maintained product data, a lack of standardised processes, or unused functionality within the existing system are just as likely to cause frustration as genuine technical limitations.
Before considering a new platform, it is worth taking an honest look at your own processes. Many companies replace their systems without first identifying the problem they are actually trying to solve. The result is a new platform with the same old ways of working, simply wrapped in more modern technology. Replacing a platform adds no value if existing processes are merely transferred without any improvement.
A practical example illustrates this well. A company complains about slow loading times and assumes the commerce platform is to blame. A closer analysis reveals that the real causes are uncompressed product images, outdated extensions and an overloaded product catalogue with no clear categorisation. Replacing the platform would not have solved the problem. The same issues would simply have reappeared in a different form on the new platform. Only after technical clean-up work and a revised data model did performance improve noticeably.
Cases like these are far from uncommon. Precisely because replatforming is complex, costly and organisationally demanding, the root cause of a problem should always be analysed first. Only when it becomes clear that the platform itself is the limiting factor, rather than the way it is being used, does replacing it become the right course of action.
When optimisation still makes sense
As long as the underlying issues can be resolved through targeted improvements, a complete platform replacement is usually the more expensive and higher-risk option. New integrations, a revised data model or an upgrade to a more recent system version can deliver significant improvements without calling the entire infrastructure into question.
Optimisation is particularly appropriate when the following conditions apply:
- The system’s core architecture is stable and continues to receive active support and maintenance from the vendor.
- Performance issues can be traced back to specific, clearly identifiable causes.
- New requirements affect individual functional areas rather than the business model as a whole.
- Internal teams have a strong understanding of the system and can continue to develop it efficiently.
In these situations, replatforming is often an overreaction. Investing in targeted improvements instead saves time, reduces costs and avoids the organisational disruption associated with a complete platform replacement.
The following overview summarises which approach is generally the better fit depending on the starting point. While it cannot replace an individual assessment, it provides a useful initial point of reference.
When replacing your commerce platform becomes unavoidable
The situation changes when the existing platform itself becomes a barrier to growth. This is not a matter of personal preference or following the latest trends, but of structural limitations that can no longer be resolved through incremental improvements.
One clear indicator is the platform reaching its end of life, meaning the point at which the vendor no longer provides security updates. Systems in this state are no longer just a technical risk; they become a serious security concern. Likewise, if every new requirement can only be implemented through complex workarounds, the underlying architecture has often reached its limits.
Another warning sign is increasing dependence on individual service providers. When only a small number of external developers still understand the system, operational risk grows with each passing day. If a key contact becomes unavailable, online sales can grind to a halt in the worst-case scenario. Many businesses underestimate this dependency because it develops gradually and only becomes apparent when problems arise.
The data model itself can also become a limiting factor. As product ranges expand, new sales channels are introduced or international growth becomes a priority, a rigid and inflexible data structure often proves inadequate. Product attributes become increasingly difficult to manage, and data quality begins to suffer. Ultimately, this has a direct impact on customers’ purchasing decisions.
Current trends in the B2B buying process provide further context. According to Forrester, 86% of B2B purchases stall during the decision-making process, while 81% of buyers ultimately feel dissatisfied with the supplier they selected. These figures show that dissatisfaction is not only caused by internal technical limitations. Customers also become frustrated when digital purchasing journeys are overly complex, slow or lack transparency. However, this does not automatically mean that a new commerce platform is the right solution.
The key question is whether the existing platform is genuinely limiting growth, data quality and operational efficiency, or whether processes, content and the way the system is used should be improved first.
Typical warning signs that replatforming is needed
Certain warning signs appear in almost every organisation that eventually decides to replace its commerce platform. If several of the following sound familiar, it may be time to move the decision forward rather than postpone it.
- Development work for relatively simple features takes weeks instead of days.
- Integrations with ERP, PIM or inventory management systems become increasingly unstable or are difficult to extend.
- Operating costs continue to rise without any noticeable improvement in functionality or performance.
- The platform can no longer reliably support growing order volumes or additional sales channels.
- Product information and data quality are spread across multiple systems and can no longer be consolidated effectively.
None of these warning signs alone necessarily justifies replacing the platform. However, when several occur at the same time, they quickly build a compelling case for replatforming.
Why replatforming is a strategic decision
Replacing a commerce platform is often treated as an IT project, yet its impact extends far beyond the technical department. Sales, marketing, logistics and customer service all depend on the same platform and are directly affected by its performance. When the initiative is approached purely as a technical exercise, new organisational challenges often emerge after implementation.
The growing importance of customer experience in platform selection is reflected in a B2B buyer study by Sana Commerce. According to the study, 89% of German B2B buyers are frustrated with their current purchasing experience, while 75% would switch suppliers to achieve a better customer experience. A commerce platform is therefore no longer just a backend system; it has become a direct driver of revenue.
For this reason, the target operating model should be defined before selecting a platform. A new system is typically expected to support the business for seven to ten years. Companies that choose a vendor first and only define their requirements afterwards are more likely to base the decision on instinct than on clear business needs. This is one of the main reasons why replatforming projects exceed their budgets or fail to realise their full potential.
Looking at scalability, integrations and operating costs together
Scalability, integration capabilities and operating costs are far more closely connected than they may initially appear. A platform that seems inexpensive today can become more costly over time if it requires continuous custom development, whereas a more modern solution with stronger out-of-the-box functionality may prove more economical in the long run.
Growth ambitions play a central role. Businesses planning to enter new markets, add sales channels or significantly expand their product range over the coming years should assess their commerce platform architecture against those objectives rather than against today’s requirements. Composable and API-first approaches offer greater flexibility but also introduce additional implementation complexity. For many mid-sized businesses, a modern platform with strong integration capabilities represents the more pragmatic choice without creating unnecessary technical complexity.
Operating costs should never be considered in isolation. Licence fees alone reveal very little about the true Total Cost of Ownership. More important are ongoing maintenance, developer effort for customisations and the costs created by inefficient day-to-day processes. Over several years, a platform with lower upfront costs may ultimately prove more expensive than a modern alternative with higher licensing costs but leaner operations.
Integration capabilities also deserve careful consideration. ERP, PIM, inventory management systems, marketing tools and payment providers all need to work seamlessly with the commerce platform. The more bespoke integrations that have accumulated over the years, the greater the effort required to keep the system up to date. Modern platforms with open API architectures significantly reduce this effort and make it much easier to connect additional systems in the future without redesigning the entire architecture.
Conclusion: analyse First, choose the platform second
There is no universal answer to the question of whether to optimise an existing commerce platform or replace it entirely. The right decision depends on each company’s specific situation. Businesses that rely on workarounds for years merely postpone the costs rather than solving the underlying problems. Equally, replacing a platform too quickly because of market perception or a vendor’s modern image is unlikely to deliver the desired results.
Replatforming only becomes the right strategic choice when the existing platform actively restricts growth, creates unnecessary costs or significantly limits the further development of the business model. These are the questions that should shape the decision from the outset, rather than the choice of a particular vendor. A thorough assessment of the current e-commerce landscape, internal processes and medium-term growth objectives provides a far more reliable foundation than intuition alone.
Ultimately, the key consideration is not how new or well known a platform is, but whether it can support your business objectives over the years ahead. Companies that establish this foundation are able to decide between optimisation and replacement based on clear, measurable criteria rather than instinct.