Cloud PLM vs On-Premise PLM

Short answer

Cloud PLM is delivered as a service, either multi-tenant SaaS or a vendor-managed single-tenant instance, with the vendor running infrastructure and upgrades. On-premise PLM is installed and operated by the customer or a partner in its own data centre. The choice trades control and deep customisation against faster deployment, continuous upgrades and lower internal IT effort.

Key takeaways

There are four common deployment models: multi-tenant SaaS, vendor-managed single tenant, customer-managed cloud hosting and on-premise.
Major vendors are steering customers to subscription and SaaS editions, which affects licence renewals in 2026 and 2027.
SaaS limits deep code customisation, so heavily customised on-premise sites must simplify before moving.
The EU Data Act strengthens switching rights, with switching charges banned from 12 January 2027.

Four deployment models

Model	Who runs infrastructure	Upgrades	Customisation	Examples
Multi-tenant SaaS	Vendor	Continuous, vendor-scheduled	Configuration, low-code, APIs	Arena, Propel, OpenBOM, Autodesk Fusion Manage
Vendor-managed single tenant	Vendor	Vendor-scheduled, some customer control	Configuration, limited extensions	Teamcenter X, Windchill+, 3DEXPERIENCE on cloud
Customer-managed cloud (IaaS)	Customer or partner on AWS, Azure, etc.	Customer project	Full	Most enterprise PLM platforms hosted on IaaS
On-premise	Customer	Customer project	Full	Most enterprise PLM platforms

The term "cloud PLM" covers the first three, which differ widely in cost and control. Hosting an on-premise installation on a hyperscaler moves the servers, but the customer still owns upgrades and patches. The service models follow the NIST definition of cloud computing (SP 800-145).

Where the market stands in 2026

Vendors are moving their installed bases to subscription and SaaS. Siemens launched Teamcenter X as SaaS in June 2020. PTC offers Windchill+ as the SaaS edition of Windchill. Partner reports state that legacy Windchill licence renewals end after 30 September 2026 and Windchill 13 support ends in June 2027, so customers should confirm their own dates with PTC. Dassault Systèmes runs 3DEXPERIENCE on its own cloud as well as on-premise. Cloud-native vendors such as Propel and Arena have been SaaS from the start.

For buyers, licence model changes are as important as technology. Check renewal deadlines, conversion credits and the treatment of existing perpetual licences before choosing a path.

Cost comparison

On-premise costs include servers, database licences, backups, disaster recovery, security patching and the people who run upgrades. Major version upgrades of heavily customised PLM often cost as much as a new implementation phase (estimate based on typical projects). SaaS replaces most of this with subscription fees that are usually higher per user than maintenance on perpetual licences.

Compare five-year totals that include internal IT time and upgrade projects. Include the cost of running two systems in parallel during migration, user training for interface changes, and the integration rebuild described below. Subscription pricing also varies by user type, so model the real mix of authors, reviewers and occasional viewers instead of assuming one price for everyone. See PLM total cost of ownership.

Customisation and integration

SaaS products limit changes to the core code. Extensions are made through configuration, low-code tools and published APIs. That keeps upgrades predictable, but long-standing custom workflows may need redesign. Before migrating, inventory every customisation and classify it as retire, replace with standard function, rebuild as configuration or keep as an external extension.

Integrations also change. Point-to-point database connections common on-premise give way to REST APIs, event streams and integration platforms. Plan this as part of PLM integration architecture. CAD integration needs specific testing, because large assemblies and multi-CAD data are sensitive to latency.

Security, sovereignty and switching rights

Key checks for any cloud PLM:

Data location for storage and processing, and the list of subprocessors.
Certifications such as ISO/IEC 27001 and SOC 2, and whether their scope covers the PLM service.
Segregation of export-controlled data (ITAR, EU dual-use) and customer IP.
Exit support, and the formats in which data is returned.

The EU Data Act, Regulation (EU) 2023/2854, applies from 12 September 2025. It requires cloud providers to support customer switching within a 30-day transition period in most cases. Providers may charge only cost-based switching fees until 12 January 2027, after which switching charges are banned.

How to decide

Cloud usually fits companies that want fast rollout, limited internal IT and standard processes, and that accept vendor-paced upgrades. On-premise or customer-managed hosting still fits sites with strict data residency or defence requirements, very large CAD datasets, or deep integration with on-site systems. Score each option against your own requirements as part of selecting a PLM system, and run a performance test with your largest assemblies. Hybrid patterns are also common. A company may run SaaS PLM for change management and supplier collaboration while keeping an on-premise PDM close to CAD workstations, connected through a release interface.

Frequently asked questions

Is cloud PLM secure enough for sensitive IP?

Cloud PLM can meet high security requirements, and the level depends on the specific service. Check certifications and their scope, encryption, access controls, data location and incident handling. Export-controlled programmes may need specific regions, government cloud offerings or on-premise deployment. Ask for the provider's security documentation and include your security team in the evaluation from the start.

Can I move from on-premise PLM to the same vendor's SaaS edition?

Usually yes, and most enterprise vendors offer migration programmes. It is rarely a simple lift and shift. Custom code may not be allowed in the SaaS edition, integrations often need rebuilding on APIs, and data may need cleansing. Plan an assessment phase that inventories customisations, integrations and data volumes before committing to a migration timeline.

Does SaaS PLM cost less than on-premise?

Not always in licence terms. Subscription fees per user are often higher than annual maintenance on perpetual licences. Savings come from avoided infrastructure, staff time and major upgrade projects. A five-year total cost comparison that includes internal IT effort, upgrade projects and integration maintenance gives a more reliable answer than comparing licence prices alone.

Sources

Reviewed 16 October 2026 by the PLM Vendors editorial team. Regulatory dates and vendor details change; check the sources for the latest position.