M3 Accounting Core
| Vendor | M3 (M3 Accounting + Analytics) |
|---|---|
| Headquarters | Lawrenceville, Georgia (USA) |
| Ownership | Majority-owned by Blackstone since August 2024; founded by John McKibbon in 1998 |
| Deployment | Cloud (SaaS) |
| Target market | Hotel management companies and ownership groups in North America, from single hotels to large multi-property portfolios |
| Industries | Hospitality (hotels; branded and independent, multi-property portfolios) |
| Pricing | Not published; quote-based per portfolio, properties, and modules |
| Website | m3as.com |
Overview
M3 Accounting Core is the flagship product of M3, a hospitality software company based in Lawrenceville, Georgia. The cloud platform handles back-office accounting, financial reporting, and related tools for hotel management companies and ownership groups in North America. It is positioned as the financial system of record for multi-property portfolios, fed by daily data imports from the property management system running at each hotel.
Core functionality
General ledger, accounts payable, cash management, budgeting, and financial reporting at individual property level as well as consolidated across a portfolio, with statements aligned to the Uniform System of Accounts for the Lodging Industry (USALI). Automated interfaces pull revenue and operating statistics from the major property management systems, so nightly hotel data lands in the ledgers without re-keying.
Around that core sit Labor Management for scheduling and labor cost control, Insight for business intelligence and benchmarking, and document imaging. M3 also runs an outsourced accounting services arm for operators who would rather not staff a full back office.
The company behind it
John McKibbon, a hotel industry veteran, founded M3 in 1998 to handle the accounting of his own family's hotel management company. Over more than two decades it grew into one of the most widely used back-office platforms in US hospitality; the company reports that its technology serves more than 8,000 properties across North America and over a thousand management groups and operators. In August 2024, Blackstone announced the acquisition of a majority stake, ending a long stretch of founder-family ownership. Operations stayed in Lawrenceville, Georgia.
Typical customers
Hospitality, and nothing else: hotel management companies, ownership and investment groups, and franchisees operating under the major brands. Size ranges from single-hotel operators to companies running dozens of properties across different brands and different property management systems. The customer base is concentrated in the United States, with further presence elsewhere in North America.
Deployment and pricing
Browser-based SaaS, with no on-premises version. Pricing is not published. Subscriptions are quoted on the number of properties, the modules in use, and any accounting services engaged alongside the software.
Editorial verdict
One caveat belongs upfront: M3 is a hospitality back-office suite covering accounting, labor, and BI, not a full ERP system. The property management system, point of sale, and procurement stay separate products. Inside that boundary the depth is hard to match, because USALI-aligned multi-property accounting with automated PMS feeds is exactly where hotel management companies lose their month-end, and the US installed base is large. Operators who want one system spanning accounting, procurement, and broader operations should not shortlist it; they will either assemble a multi-system landscape anyway or end up evaluating generalist ERP. Buyers who track vendor stability should factor in the Blackstone majority stake held since 2024 when they judge roadmap incentives.
What the M3 Accounting Core website looks like
Current view of the vendor homepage, captured by our editorial team.

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