Cloud vs On-Premise ERP: How to Decide

The difference between cloud and on-premise ERP is where the software runs and who looks after it. With cloud ERP, the system runs on infrastructure managed by the vendor or a hosting provider and you reach it through a browser. With on-premise ERP, it runs on servers you own or rent and you are responsible for installing, securing, backing up and upgrading it. For most small and mid-size companies, cloud is the simpler choice, but on-premise still makes sense in specific cases.

The definitions, briefly

Cloud ERP is usually delivered as a subscription. The provider handles servers, updates and backups. Users log in from anywhere with an internet connection.

On-premise ERP is installed in your own data centre or server room, or on servers you control at a hosting company. You typically buy a licence, and you or your IT partner run the platform.

There is also a middle path, sometimes called private cloud or hosted ERP, where a single-tenant instance of the software runs on a provider’s infrastructure. It gives some of the control of on-premise with less of the hardware burden.

Comparing the two

Factor	Cloud ERP	On-premise ERP
Who runs the servers	Vendor or hosting partner	You or your IT supplier
Cost pattern	Recurring subscription	Larger upfront, then support and infrastructure
Upgrades	Managed by the provider	Scheduled and performed by you
Access	Anywhere online	Office network or VPN unless you expose it
Customisation	Often more limited	Often deeper, at a price
Data control	Depends on provider and contract	Direct physical control
Time to start	Usually quick	Needs hardware and setup
Resilience	Provider’s design and your contract	Your own backup and recovery effort

Treat this as a general pattern. Individual products vary, and the specifics of your contract matter more than the label.

Reasons to choose cloud

• Less IT burden. No server to patch, no database to back up manually.
• Easier access. Warehouse, sales team and finance can use the same system from different places.
• Predictable budgeting. Costs are recurring rather than a large initial outlay, though you should still count services, data work and training.
• Faster updates. New features arrive without a big upgrade project.
• Easier growth. Adding users or a new site is usually a configuration change, not a hardware purchase.

Reasons to choose on-premise

• Strict data residency or contractual requirements that forbid or complicate third-party hosting.
• Poor or unreliable connectivity at the main site, such as a remote plant.
• Heavy integration with local equipment or legacy systems that sit inside your network.
• A capable IT team that prefers full control over timing of changes.
• Long-term cost preference where you already own the infrastructure and skills.

Be honest about the last two. Running an ERP well means monitoring, patching, backup testing, access control and disaster recovery. If you do not have the people to do that, “control” can turn into risk.

Security is not automatic in either model

A common claim is that cloud is less secure; another is that on-premise is safer because it is “in the building”. Neither is true by default. Security depends on practice.

For cloud, ask the vendor:

1. How is data encrypted in transit and at rest?
2. How are backups made, stored and tested?
3. What access do vendor staff have to your data, and how is it logged?
4. Is two-factor authentication supported?
5. Where is data stored, and can you export all of it?

For on-premise, ask yourself:

1. Who applies security patches, and how quickly?
2. Are backups stored off site and restore-tested?
3. How is remote access protected?
4. What happens if the person who set it up leaves?

Whichever route you take, also look at roles and permissions inside the ERP, audit trails and approval rules. Many problems come from too-broad access rather than from outside attack.

Hidden costs on each side

Cloud: subscription growth as users or modules are added, charges for extra storage or integrations, and the effort of managing change when the vendor updates the product.

On-premise: servers, networking, licences for database and operating systems, backup storage, electricity, IT time, and the cost of upgrade projects. Also consider downtime risk when hardware fails.

Compare the total over several years, not just the first invoice.

How to decide

1. List your constraints. Legal, contractual, connectivity and integration needs.
2. Assess your IT capacity. Who would run it day to day, and who covers holidays?
3. Estimate usage. Users, sites, growth plans.
4. Ask for references of similar size, and speak to them.
5. Check the exit. Can you export your data in a usable format? What are the notice terms?

If none of your constraints forces on-premise, cloud is usually the lower-friction route for a growing company.

FAQ

Is cloud ERP cheaper than on-premise?

Not always. Cloud usually has lower upfront cost and more predictable spending, while on-premise can look cheaper over a long period if you already own infrastructure and skills. Compare total cost over several years.

Can I move from on-premise to cloud later?

Often yes, but it is a migration project, not a switch. Data, integrations and customisations all need attention. Choosing a system that supports your likely future direction saves effort.

Is my data safe in cloud ERP?

It can be, if the provider follows good practice and you configure access properly. Ask for details on encryption, backups, access logging and data export rather than relying on general assurances.

Do I need an internet connection all the time with cloud ERP?

Normally yes. If your site has unreliable connectivity, that is a legitimate reason to consider alternatives or to plan a backup connection.

Next step

Dika Ops is a modern ERP for companies that make, move and sell things, covering sales, purchasing, stock and finance with AI coworkers that work under human approval. It is in closed beta, and you can join the waitlist.