Datacenter-to-Cloud Migration

From datacenter to cloud with zero downtime: we did it for ourselves in late 2017, moving 100 clients over, before doing it again for dozens of companies.

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100Clients moved in 2017

0Downtime

3,000+Migrations delivered

What it covers

Audit of the existing estate: inventory, dependencies, criticality
Priced path: lift & shift or refactoring, domain by domain
Progressive, reversible, tested cutover
Datacenter decommissioning and post-migration optimization

How we work

We lived it

In late 2017 we migrated our own datacenter to AWS and moved 100 clients with zero interruption. The automation born from that project became our BAM platform.

Domain by domain, never big bang

Each domain cuts over when ready, with rollback available. Production never stops.

Frequently asked questions

Why leave a datacenter?

Lease or hardware end-of-life, fixed costs, hiring difficulty: the cloud replaces hardware investment with steerable costs and instant elasticity.

What happens to our IT team?

They skill up: we transfer cloud know-how (DevOps, CI/CD) during the migration rather than creating dependency.

What about after the migration?

FinOps and continuous optimization: that is often where the project's real profitability is decided.

Where we operate

We operate your platforms worldwide, in every cloud region, with no geographic limit.

DatacenterMigrationAWSLift & shiftRefactoring

/ They trust us

Premaccess is driving the modernization of our stack to managed AWS services, domain by domain, without ever blocking production. We move forward on the product, they secure the scale-up.

Olivier ThierryCTO · Mobile Club (translated from French)

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