Why are SaaS migrations different?

Because the platform serves customers in real time. Failure during migration affects revenue, retention and trust — not just internal users. The plan has to protect customer experience as well as infrastructure.

Can you migrate without customer downtime?

Often yes, depending on the architecture. Replication, traffic switching, blue/green deployment patterns and phased customer cutover can reduce or eliminate downtime for most workloads.

Do you support multi-tenant SaaS architectures?

Yes. Multi-tenant designs need extra attention around data isolation, tenant onboarding, scaling and noisy-neighbour effects during and after migration.

SaaS Migration

Move your SaaS platform to AWS without putting customers, revenue or uptime at risk.

SaaS migrations need more than infrastructure movement. They need careful planning around customer access, data, integrations, deployment pipelines, uptime, monitoring, support and cost.

Book an AWS migration assessment

Why SaaS migrations need extra care

For SaaS companies, migration risk is business risk. A failed cutover can affect customers, support teams, revenue, onboarding, renewals and trust. The migration plan needs to protect the product experience as well as the infrastructure.

SaaS migration priorities

Customer uptime

Minimise disruption and plan migration waves around real customer usage.

Database integrity

Protect customer data with tested backup, restore, replication and validation processes.

Authentication & access

Review identity flows, admin access, SSO, secrets and environment-level permissions.

Integrations

Map payment providers, APIs, webhooks, third-party services and customer integrations.

Deployment pipelines

Ensure CI/CD, rollback and release processes work in the new AWS environment.

Observability

Logging, metrics, alerts and dashboards should be live before customers are moved.

Cost model

SaaS infrastructure cost should be reviewed against customer usage, growth and margin.

SaaS migration process

01Product & platform discovery
02Customer-impact mapping
03Application & database review
04AWS target architecture
05Migration wave planning
06Test migration
07Production cutover
08Post-migration optimisation

Best-fit scenarios

Moving from legacy hosting to AWS
Outgrowing a single-server or fragile setup
Needing better resilience and monitoring
Preparing for scale or investment
Reducing operational risk
Improving deployment speed
Moving from manual infrastructure to repeatable AWS environments

Reduce SaaS migration risk AWS migration cost

FAQs

Frequently asked questions

Planning an AWS migration?

Start with a practical assessment before committing to a full migration project. IG CloudOps will help you understand what should move, what should change, what could go wrong, and what the next step should be.

Book an AWS migration assessment