E-commerce replatforming in 12 steps
Replatforming is not a technical swap.
It's the most consequential commercial decision your e-commerce business will make, and most companies get it wrong before they even start.
Every year, thousands of e-commerce organisations decide to replatform. A significant number of them stall mid-project, go live late, blow the budget, or launch a new platform that performs no better than the one they just replaced. The technology worked. The project failed.
The reason is almost always the same: they treated replatforming as a technology project.
It's not. It's an organisational transformation that happens to involve technology. And the difference between those two framings determines almost everything about how it goes.
The compounding cost of staying put.
Before we talk about how to replatform, it's worth being honest about what it costs to delay.
Every quarter on a platform that cannot keep up is a quarter that your competitors are moving faster, converting better, and accumulating structural advantages. The cost does not show up cleanly on a P&L. It lives in developer velocity, the features you could not ship. In integration tax, the workarounds that pile up every time you connect a new tool. In the campaigns that underperformed because personalisation was too slow or too expensive to execute.
Eidra's analysis across more than 100 replatforming projects shows a consistent pattern: organisations that delay the replatforming decision by 12 to 18 months typically spend 30 to 40 percent more on the eventual migration. They also go live carrying a larger technical debt backlog than organisations that moved earlier. Waiting is not the safe option. It's just a more expensive version of the same risk.
The twelve steps most companies compress into three.
Ask most organisations what their replatforming plan covers and you will hear some version of: choose a platform, migrate the data, launch the site.
Those are steps five, nine, and eleven of a twelve-step process.
Download our report for a detailed guide of practical advice, actionable frameworks, and best practices to help you succeed at every stage of the replatforming journey.