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Sage 100

Sage 100 at a glance
VendorSage Group plc
HeadquartersNewcastle upon Tyne, UK (US headquarters: Atlanta, GA)
OwnershipPublicly traded (LSE: SGE)
DeploymentOn-premises (Windows); partner-hosted private cloud
Support statusActively maintained: Sage 100 2026 (64-bit only) released April 2026; supported are the current plus two prior versions (2024-2026 as of mid-2026)
Target marketUS small and midsize businesses in distribution, light manufacturing, and services
IndustriesWholesale distribution, discrete manufacturing, field and professional services
PricingSubscription via Sage partners; not published
Websitesage.com/en-us/products/sage-100

What Sage 100 is

Sage 100 is a business management system for small and midsize US companies, pairing core accounting with distribution and light manufacturing capability. Few SMB ERP products in the United States have a larger installed base. It reaches customers almost entirely through a broad network of value-added resellers, and it still receives an annual release; version 2026 shipped in April 2026 as a 64-bit-only build.

Vendor, history, ownership

The story starts in the 1980s with MAS 90, written by State of the Art, Inc., a California accounting software company. A client-server variant, MAS 200, followed later. Sage Group plc picked up the product through its late-1990s US acquisitions; the company is headquartered in Newcastle upon Tyne, publicly traded in London, and runs its US operation from Atlanta.

Then came the renaming years. Sage MAS 90 and 200 became Sage 100 ERP in 2012, wore the Sage 100cloud label for several years during the subscription transition, and is now simply Sage 100 again. The cloud branding never described the architecture. It has remained an installed Windows application throughout.

Core functionality

Accounting covers general ledger, accounts payable and receivable, bank reconciliation, and fixed-asset integration. Distributors get inventory management plus sales order and purchase order processing. Manufacturers work with bills of materials and a production management module that supports work orders and MRP-style planning. Job costing, payroll, CRM integration, and paperless document handling round out the suite, and a deep third-party ecosystem fills vertical gaps such as warehouse scanning and shipping automation.

Typical customers

US small and midsize companies in wholesale distribution, discrete and light process manufacturing, and service businesses, usually at the point where entry-level accounting software has run out of room. One structural detail matters more than most feature comparisons. The reseller channel does the work: implementations, customizations, and ongoing support come from a local partner rather than from Sage directly.

How it is sold

Installation is on-premises on Windows servers and desktops. Many partners also offer hosted cloud environments, but the product is not multi-tenant SaaS. Licensing has shifted to subscription plans, and only customers with an active plan receive new versions; perpetual-license holders on older releases stay where they are, without new features. Prices are not published and arrive as partner quotes based on module selection and user counts. Support runs on a rolling window of the current release plus the two prior ones, which after the 2026 release means versions 2024 through 2026.

Editorial verdict

For a US distributor or light manufacturer that wants functional depth, hands-on local support, and an ISV ecosystem that has already solved most vertical problems, Sage 100 remains a defensible purchase. The 64-bit-only 2026 release is genuine modernization work, not cosmetic maintenance. What it is not is a cloud product: the roots reach back to the 1980s, the architecture is client-server, and Sage itself steers cloud-first buyers toward Sage Intacct. Anyone whose top requirement is vendor-operated SaaS should skip this profile and save the evaluation time. Existing customers face no support deadline and can reasonably stay put, provided they keep pace with the supported-version window. New buyers should weigh the functional depth and channel strength against cloud-native alternatives in a structured ERP selection process.

What the Sage 100 website looks like

Current view of the vendor homepage, captured by our editorial team.

Screenshot of the Sage 100 vendor homepage

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Frequently asked questions

Is Sage 100 being discontinued?

No discontinuation or end-of-life date has been announced. The product still receives annual releases, most recently version 2026 in April 2026, along with regular product updates and payroll compliance releases. The real constraint is the support window: Sage supports the current version plus the two prior ones, and new versions require an active subscription plan.

What is the difference between Sage 100 and the old MAS 90 or MAS 200?

They are the same product line under different names. MAS 90 was the original edition and MAS 200 the client-server variant; after Sage acquired the product it became Sage MAS 90 and 200, then Sage 100 ERP, then Sage 100cloud, and finally Sage 100. Long-time users still recognize the module structure. The technology underneath has been updated stepwise, most recently with the move to a 64-bit-only architecture in the 2026 release.

Is Sage 100 a cloud product?

No. It is an installed Windows application rather than a multi-tenant SaaS product, despite the Sage 100cloud branding it carried for several years. Companies that would rather not run their own servers usually have a Sage partner or hosting provider operate the software in a private cloud environment. Buyers who specifically want browser-native, vendor-operated SaaS tend to end up evaluating other products, including Sage Intacct from the same vendor.

How much does Sage 100 cost?

Sage does not publish list prices for Sage 100 in the US. Licensing is subscription-based and quoted through authorized partners, with the figure driven by the module bundle, the number of users, and any payroll or connected services. Implementation, data migration, customization, and annual partner support form separate cost blocks that often exceed the software subscription itself, so a total-cost comparison that omits them is misleading.

Which Sage 100 versions are still supported?

Sage follows a rolling policy: the current release plus the two prior versions. After the April 2026 release of Sage 100 2026, that means versions 2024, 2025, and 2026, with version 2023 retired at that point. Older releases can usually still be run, but without product updates or guaranteed compatibility fixes, which matters most for payroll and tax compliance.

Who implements and supports Sage 100?

Almost always a local value-added reseller rather than Sage itself. The channel is one of the defining features of this product: partners handle implementation, customization, integration with third-party tools such as warehouse scanning or shipping automation, and day-to-day support. Choosing the partner is therefore as consequential as choosing the software, and prospects should evaluate the two together.

Do we need an active subscription plan to receive new Sage 100 versions?

Yes. Sage has moved licensing to subscription plans, and access to new versions depends on holding an active plan. Customers still on perpetual licenses for older releases can keep running them, but they do not receive new features, which over time also carries them outside the supported window of the current release plus two.