Sage 50 US vs Canadian Edition vs UK: why one integration doesn't fit all

Last updated: November 10, 2026

“We integrate with Sage 50” often turns out to mean “with one of the three Sage 50s”. They share a name, but they are separate desktop products with different histories, file formats and SDKs. If you build or buy an integration, this is the first thing to check.

Three products, one name

• Sage 50 US Edition — formerly Peachtree. Sold in the United States.
• Sage 50 Canadian Edition — formerly Simply Accounting. Sold in Canada, with Canadian taxes (GST/HST/PST, QST) and Canadian payroll.
• Sage 50 Accounts — the UK product, formerly Sage Line 50. Uses UK terms such as “nominal codes” and VAT.

A Sage team member made the same point on the Sage Community Hub in 2026: Peachtree (Sage 50 US) and Sage 50 Canadian Edition share a name, but not a file format or infrastructure (thread)

What's different for an integration

• SDK. Each product has its own developer kit. Code written against the US SDK does not open a Canadian company file, and vice versa. The Canadian SDK is version-specific too: it has to match the installed Sage 50 release (Sage forum).
• Import files. CSV and import layouts differ between the products and often between versions of the same product.
• Taxes and fields. Canadian invoices carry GST/HST/PST or QST; UK records carry VAT and nominal codes; US records carry sales tax. Mapping that works for one is wrong for the others.
• Payroll. Payroll exports are country-specific — for example, some US time-tracking tools export to the Sage 50 US “Time Ticket Register”, which has no Canadian equivalent with the same format.

How to tell which one a customer runs

• Ask for the exact product name and version shown in Sage 50 under Help → About, for example “Sage 50 Premium Accounting, Canadian Edition, 2026.1”.
• Look at the taxes on their invoices: GST/HST/PST or QST means Canadian; VAT means UK; US sales tax means the US Edition.
• Check where they bought it: sage.com/en-ca, sage.com/en-us or sage.com/en-gb.

Where integrations stand in 2026

• The Sage Canada Marketplace lists apps for Sage 50 Canada specifically (filter: Sage 50).
• Unified accounting APIs are starting to cover the US Edition, while Sage 50 Canada is still “on the radar” at Apideck, for example (apideck.com).
• For the Canadian Edition, the options are file imports, building on the Canadian SDK, or a ready connector — see our Sage 50 Canada API guide.

Checklist before you promise “Sage 50 support”

• Which of the three products — and which versions?
• Read only, or write back too?
• Who keeps it working after each Sage 50 release?
• What happens when the PC with Sage 50 is off, or the file is open in single-user mode?

About AcctRelay

AcctRelay is building a hosted REST API for Sage 50 Canadian Edition first, with the US Edition next. It's in early access — not in production yet. If your customers ask for Sage 50 Canada, write to us or read how it will work.

Sage, Sage 50 and related names are trademarks of The Sage Group plc or its licensors. AcctRelay is an independent product and is not affiliated with or endorsed by The Sage Group plc. Information on this page comes from the public sources linked above.