Last updated: June 5, 2026
Cloud migration is the process of moving data, applications, and IT workloads from on-premises servers to a cloud computing environment. Businesses migrate to gain scalability, lower infrastructure costs, stronger security, and easier remote access, usually across public, private, or hybrid cloud platforms.
TL;DR. Cloud migration moves your IT systems from in-house servers to platforms like AWS, Microsoft Azure, or Google Cloud. It happens in 4 stages, assess, plan, execute, and optimize, and follows 1 of 6 strategies known as the 6 Rs. Done well, it lowers costs and improves uptime. Done in a rush, it causes downtime and overspend. A clear plan and the right cloud service provider make the difference.
Most organizations don’t move everything at once. They migrate in phases, starting with low-risk workloads and moving toward business-critical systems as their team gets comfortable.
How does cloud migration work?
A successful migration follows 4 stages. Skipping the early ones is the most common reason projects run over budget.
- Assessment. Inventory your current systems, map dependencies, and decide which workloads are cloud ready.
- Planning. Choose a migration strategy and platform, set a sequence, and define rollback steps before anything moves.
- Execution. Move data and applications in waves, validating each one before starting the next.
- Optimization. Right-size resources, tune performance, and review spend so you aren’t paying for capacity you don’t use.
What are the types of cloud migration?
Cloud providers and analysts group migration approaches into a framework called the 6 Rs. Most projects use a mix rather than 1 single approach.
| Strategy | What it means | Best for |
|---|---|---|
| Rehost | Lift and shift an app to the cloud with no code changes | Fast moves and tight deadlines |
| Replatform | Make a few cloud optimizations without rewriting the core app | Quick wins with low risk |
| Repurchase | Switch to a different product, usually a SaaS version | Aging or costly licensed software |
| Refactor | Re-architect the app for cloud-native features | Apps that need to scale long term |
| Retire | Shut down systems you no longer need | Redundant or unused tools |
| Retain | Keep certain workloads on-premises for now | Compliance or latency-sensitive systems |
Not sure which fits? Our guide to cloud migration steps breaks down the decision, and we bust the most common cloud migration myths for small businesses.
Why do businesses migrate to the cloud?
The payoff isn’t just cheaper servers. It’s flexibility. When demand spikes, you scale up in minutes instead of ordering hardware. When staff work remotely, they reach the same systems securely from anywhere.
- Lower capital costs. Trade large hardware purchases for predictable monthly spend.
- Scalability. Add or remove capacity on demand.
- Security and recovery. Get enterprise-grade backups, encryption, and disaster recovery built in.
- Collaboration. Give teams secure access to the same data and tools from any location.
Cloud migration is also a core part of most digital transformation roadmaps, since it sets the foundation for automation and modern apps.
What does a real cloud migration look like?
In our experience, the projects that go smoothly are the ones that move in waves and test as they go. One example is our full serverless cloud migration, where we modernized a client’s infrastructure and removed the manual overhead of running their own servers. The pattern repeats across industries. Plan thoroughly, migrate in stages, and optimize after the cutover.
Common cloud migration challenges
Honest take. Migration isn’t plug and play. The hard parts are usually mapping hidden dependencies, avoiding downtime during the cutover, controlling costs once everything is running, and keeping data secure in transit. A partner who has done it before is what keeps those risks small.
Authoritative references worth reading include the NIST definition of cloud computing, the AWS migration strategies, and Microsoft Azure cloud migration guidance.
Cloud migration FAQs
What is cloud migration in simple terms?
It’s moving your company’s files, software, and systems off your own servers and onto a provider’s cloud, like AWS, Microsoft Azure, or Google Cloud, so you can access them over the internet instead.
What are the main types of cloud migration?
The 6 common approaches are rehost, replatform, repurchase, refactor, retire, and retain. Rehosting is fastest, while refactoring takes the most effort but unlocks the most cloud benefits.
How long does a cloud migration take?
Timelines range from a few weeks for a small workload to several months for a full data center. The biggest factor is how many dependencies your applications have, not the amount of data.
Is cloud migration secure?
Yes, when it’s planned correctly. Reputable cloud platforms offer encryption, access controls, and compliance certifications that often exceed what a small business can run on its own. Risk comes from misconfiguration, not the cloud itself.
How much does cloud migration cost?
Costs depend on workload size, the migration strategy, and how much re-engineering is needed. Many businesses lower their long-term spend after migrating, but only if resources are right-sized during the optimization stage.
Ready to plan your cloud migration?
Uprite has helped Texas businesses move to the cloud without the downtime and surprise costs. We assess your systems, build the plan, and handle the move end to end. Explore our managed IT services, compare the top cloud migration services in Houston, or talk to a cloud migration expert to get started.
