ERP Data Migration Services

ERP data migration is the process of moving your master and transactional data — customers, vendors, items, BOMs, open orders, balances and history — from a legacy system into a new ERP. Done well, an ERP migration includes data mapping to the target system's structures, profiling and cleansing at the source, automated transformation, validation and reconciliation against control totals, and a formal sign-off before go-live. It's the make-or-break stage of any ERP system migration: a perfectly configured system loaded with bad data fails on day one. ESS treats it as a discipline in its own right, with proprietary migration tooling and 25+ years of moving data into IFS and Epicor Prophet 21.

ERP migration timelines depend on data volume, the number of source systems, how much history you keep, and source data quality — a single legacy ERP migration is very different from consolidating several systems. What matters more than the calendar is predictability: ESS de-risks the timeline with proprietary migration tooling, repeatable mock-load cycles and idempotent loads, so each rehearsal gets faster and cleaner than the last. Parallel validation runs alongside, meaning your team proves the data is right before cutover instead of discovering problems after. By the final load, cutover is a rehearsed procedure rather than a leap of faith. ESS scopes migration timelines in a free assessment once we've seen your sources.

Migrated data is verified through layered controls: profiling and cleansing at the source, documented data mapping and automated transformation rules, reconciliation reports that tie record counts and control totals back to the source system, and a formal validation and sign-off step with your team before go-live. Nothing moves to production unverified. Because ESS's proprietary migration tooling makes loads repeatable and idempotent, every mock-load cycle produces the same auditable evidence — so by cutover, the reconciliation numbers have been proven several times over. This mapping, validation and reconciliation discipline is what separates professional ERP migration services from a one-off data dump, and it produces evidence you can hand to auditors, not just assurances.

Yes — ESS handles legacy ERP migration from virtually any source: aging ERPs, older versions of IFS and Epicor, homegrown databases, spreadsheets and third-party systems. Every ERP system migration follows the same discipline regardless of source: we extract the data, document field-level data mapping to the target ERP's structures, cleanse and transform it, then validate and reconcile it against source totals before sign-off. Multiple sources can be consolidated into a single target in the same project. With 25+ years of ERP migration services behind our tooling, unfamiliar or undocumented legacy schemas are a solved problem, not a blocker. If you can get us the data, we can migrate it.

Yes — ESS handles on-premises to cloud ERP migrations, including IFS Apps 10 to IFS Cloud upgrades, as well as system-to-system ERP conversions. A cloud ERP migration follows the same discipline as any other ERP system migration: field-level data mapping, cleansing, repeatable mock loads with our proprietary tooling, and validation and reconciliation against the source before your team signs off. The cloud target changes the infrastructure, not the standard of evidence — record counts and control totals still have to tie back to the source. Whether you're leaving a legacy ERP for the cloud or upgrading within a platform, cutover stays predictable. ESS scopes cloud migration paths in a free assessment.

ESS most often migrates data into IFS and Epicor Prophet 21, where 25+ years of product depth means we know the target structures, load mechanisms and validation quirks intimately. But our ERP migration services aren't limited to those platforms: the methodology — data mapping, cleansing, transformation, reconciliation and sign-off — and our proprietary migration tooling apply when moving to any modern ERP. That's because a disciplined ERP data migration is defined by the process and the evidence, not the destination. Whether it's a legacy ERP migration into a new cloud platform or a consolidation of several systems into one, the approach is the same. For IFS-specific migration, see our IFS data migration page.