Moving an established online store onto Odoo eCommerce is where most migrations quietly go wrong. Your source catalog holds thousands of SKUs with option-based variants, multiple image sizes, rich HTML descriptions, nested collections and years of accumulated SEO equity — and Odoo's stock base_import wizard treats all of it as flat rows. It has no concept of mapping a Shopify option matrix onto product.template + product.product with the right product.attribute / product.attribute.value combinations, no image ingestion beyond a single field, no taxonomy remapping, and absolutely no plan for the 301 redirects that keep your Google rankings alive. Do it by hand and you get duplicated variants, broken website.slug URLs, orphaned images and a support queue full of "where did my product go" tickets.

The Bulk Catalog Import / Migration Toolkit is a purpose-built Odoo module (proper __manifest__.py, models extending models.Model, security via ir.model.access.csv + record rules, OWL/QWeb wizard UI) that ECOSIRE builds around your exact source data. It ships source connectors that read Shopify (Admin REST/GraphQL), Magento 2 (REST), WooCommerce (WC REST) and generic CSV/Excel, and normalizes each into a staging model before anything touches your live catalog. A mapping wizard lets you bind source option names to Odoo attributes, collapse or split variants, and remap source collections/tags onto product.category and product tags. Images are streamed in with de-duplication and attached to the correct template or variant, not dumped into one field. Every run is transactional and idempotent — records are matched by a stable external key so re-running updates rather than duplicates.

Technically, the toolkit runs as a job: extract to a staging table, validate against configurable rules (missing prices, invalid variant matrices, oversized images, encoding issues), then commit into product.template/product.product in batches with compute fields (@api.depends) recalculated correctly. A dry-run mode produces a full diff report (QWeb PDF/HTML) showing exactly what will be created, updated or skipped — before a single write. SEO preservation is first-class: source handles/URLs are captured, a canonical Odoo slug is generated, and a 301 redirect plan is emitted (loadable into Odoo's website.rewrite or your reverse proxy) so old URLs and their link equity survive the cutover. Meta titles, meta descriptions and OG data map straight onto the website.seo.metadata mixin. If a batch fails validation, rollback restores the prior state cleanly — nothing is left half-migrated.

Because this is build-to-order, ECOSIRE first runs a short scoping call to inspect a sample of your real export, agree the field/attribute mapping and confirm the target Odoo edition (Community vs Enterprise) and version (17.0, 18.0 or 19.0). We then build and unit-test the connectors against your data, run a full UAT migration on a staging database, hand you the diff report and 301 plan for sign-off, and only then execute the production cutover. Typical delivery is one working week from confirmed scope depending on catalog size and how clean the source data is. You receive the installable module source, a git repository, documentation and a post-go-live support window — no marketplace download, no guesswork, a migration that actually lands.