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Migration service

Data cleanup and mapping

We turn inconsistent exports, custom schemas and legacy identifiers into an approved mapping that the target platform can validate.

How we approach the work

The source data and agreed mapping are the plan. Automation can flag oddities and compare results; Martin approves the exceptions and production decisions.

A canonical data contract with field rules, transformations, exceptions and reconciliation checks.

What you get

Typical deliverables

  • Entity and field mapping matrix
  • Deduplication and normalisation rules
  • Count, relationship and exception reports

What we look for

Duplicate or near-duplicate products, orphaned categories, inconsistent attribute naming, empty or malformed fields, and legacy custom fields that no longer map to anything meaningful. We flag what we find and agree with you on what to fix, merge, or drop.

Mapping, not guessing

Every source field gets an explicit mapping to a target field — or an explicit decision that it doesn't map and needs a different home (a custom field, a tag, or nowhere). We document this mapping so it's auditable, not a black box.

Why this matters before launch

Cleaning and mapping data before migration is far cheaper than fixing it after launch, when customers and search engines are already relying on it. Skipping this step is one of the most common reasons migrations run into trouble later.

Frequently asked questions

Will you delete data without asking me?

No — we flag what looks like a problem and agree on the action with you before anything is merged or removed.

Can you deduplicate products across multiple old imports?

Yes, this is one of the more common cleanup requests — legacy stores that went through several supplier feed imports over the years often have real duplicates.

Do you handle custom fields with no clear purpose?

We investigate what a field was likely used for (based on data patterns and, where possible, your input) before deciding whether to map, repurpose, or retire it.

Related planning resources

How to choose an ecommerce platform before you migrate

Choosing a platform is the decision that shapes every later migration cost. Feature checklists from vendors rarely help, because most modern platforms cover the basics. The useful questions are about your catalog structure, the market you sell to, the systems you must connect, how much ownership you want, and what the migration itself will demand. This guide walks through those five questions and ends with a short list of red flags that should stop a decision.

The Post-Launch QA Checklist

The migration isn't finished the moment the new store goes live — it's finished when you've confirmed, deliberately, that everything customers and search engines depend on actually works under real conditions. Staging catches most problems, but a handful only show up with live traffic, real payment processors, and search engines re-crawling the site. This checklist covers what to verify in the days and weeks after cutover, independent of which platforms were involved.

Product Data Cleanup Before Migration

A platform migration copies whatever you give it — it doesn't clean up after you. Duplicate SKUs, orphaned images, inconsistent categories, and mismatched variant structures that have quietly accumulated over years will move to the new platform exactly as-is unless someone deals with them first. Doing that cleanup before migration is far cheaper than doing it after, when customers and search engines are already relying on the result. This guide covers what to look for and how to work through it.

Prevedshop.com

Moving your store? Let’s find out what needs to come with you.

Tell us where the store is now and where it is going. We’ll come back with the useful questions—not a generic sales pitch.

Show me the migration plan