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Cloud vs on-premise ERP cost: subscription, licence and hosting compared

How cloud SaaS, hosted and on-premise ERP costs differ over five years, what you take on with your own servers, tax treatment basics and when each suits a Canadian SMB.

Updated · 4 min read

Cloud vs on-premise ERP cost: subscription, licence and hosting compared

Cloud ERP turns most of the cost into a predictable subscription that includes hosting, backups, security patching and upgrades. On-premise ERP usually means a one-time licence plus yearly maintenance, and you (or a hosting partner) pay separately for servers, backups, security, upgrades and the people who run them. Over five years the totals can be similar; the difference is who carries the infrastructure work and risk, and how the costs are treated in your accounts. For most small Canadian businesses without an IT team, cloud is simpler. On-premise or private hosting still suits some manufacturers, businesses with unreliable connectivity at a plant, or those with specific integration or control requirements.

This guide is part of the ERP pricing overview. Amounts are illustrative.

Three deployment options

OptionYou pay forThe vendor or host takes care ofYou take care of
Multi-tenant cloud SaaSSubscriptionHosting, uptime, backups, patches, upgrades on the vendor's scheduleConfiguration, users, data quality, integrations
Hosted or private cloudLicence or subscription plus hosting feeServers and infrastructure (host), software support (vendor)Upgrade timing, customisations, often application administration
On-premiseLicence plus maintenance, hardware, software for servers and databases, backups, securitySoftware updates are supplied, not appliedEverything: servers, power, backups, security, disaster recovery, upgrades

Five-year comparison (illustrative)

A 25-user business compares a cloud subscription with an on-premise licence:

Cost line (illustrative)Cloud SaaSOn-premise
Software$45,000 a year × 5 = $225,000$110,000 licence + 20% maintenance × 5 years ($22,000 × 5) = $220,000
Servers, storage and database softwareIncluded$35,000 upfront + $25,000 refresh or expansion in year 4
Backups, security tools, monitoringIncluded (check what)$6,000 a year × 5 = $30,000
IT administrationMinimal0.2 of an IT person at $90,000 loaded = $18,000 a year × 5 = $90,000
Upgrade projectsIncluded in releases (testing still needed)One major upgrade in year 3: $25,000
Implementation$70,000$80,000
Five-year total$295,000$505,000

In this illustration on-premise costs more, mainly because of IT administration and infrastructure. The picture changes if you already have an IT team and servers with spare capacity, or if you would keep the system ten years instead of five, spreading the licence further. Replace every line with your own quotes and run both through the TCO estimator.

What cloud does not remove

  • Testing releases: vendors update cloud systems on their schedule; you still need to test critical processes and custom integrations.
  • Internet dependence: a plant or warehouse with weak connectivity needs a reliable connection and a fallback plan.
  • Data location and privacy duties: you remain responsible for personal information you hand to a SaaS vendor. See PIPEDA, Quebec Law 25 and data residency.
  • Record-keeping: the CRA's expectations about books and records being available in Canada still apply. See CRA record-keeping and cloud ERP.
  • Exit planning: on-premise you hold the database; in SaaS you depend on the vendor's export. See contract terms on exit and data export.

Tax and accounting treatment, in general terms

How costs are treated affects cash flow and reported profit, though not the total spent. In general terms, and subject to your accountant's review:

  • SaaS subscription fees are usually treated as ongoing operating expenses of the period they cover; a prepaid annual fee is spread over the months it covers in your financial statements.
  • Purchased software licences are capital property for income-tax purposes. Application software is generally described in Class 12 of the capital cost allowance schedule, and general-purpose computer hardware and systems software in Class 50. The rates, the half-year rule and temporary incentives (for example, the immediate expensing of certain productivity-enhancing assets and the reinstated accelerated investment incentive, both enacted by Bill C-15 in March 2026) depend on the class, the acquisition date and the date the property becomes available for use, so confirm the current treatment with the CRA or your accountant.
  • Implementation costs may be treated differently depending on whether they relate to a licence you own or a subscription, and on accounting standards for your business. Ask your accountant before the project starts so invoices are split usefully.

The funding and tax treatment guide covers this in more detail, including why SR&ED generally does not apply to buying software.

Which suits you

SituationUsually points to
No in-house IT, standard processesCloud SaaS
Multiple locations, staff working remotelyCloud SaaS or hosted
Heavy customisation you must controlHosted or on-premise
Plant with unreliable internet, real-time shop-floor needsOn-premise or hybrid, with careful design
Existing servers, IT team and long planned lifeOn-premise can be competitive
Strong preference for Canadian data hostingCloud with a Canadian region, hosted in Canada, or on-premise

FAQ

Is cloud always cheaper?

No. It removes infrastructure work and makes costs predictable, but over a long life with an existing IT team, on-premise can be comparable. Compare like for like over the same period.

Can I move from on-premise to cloud later?

Often yes, but it is effectively a new implementation with data migration. Some vendors offer conversion programs; ask about the cost.

Who is responsible for backups in SaaS?

The vendor backs up its platform, but check the retention period and whether you can restore your own data on request. Many businesses also export key data on a schedule.

Do I need a Canadian data centre?

Not always legally, but some businesses choose one for privacy or customer reasons. See the privacy guide.

Sources

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