Accounting Core
Enterprise Hotel Accounting Software
Gain financial clarity, automate reporting, and scale your hospitality portfolio with confidence.
M3 Accounting Core is the industry’s most trusted hospitality software for hotel accounting, supporting thousands of properties worldwide. With automation, integrations, and real-time reporting, Accounting Core empowers hotel management companies and ownership groups to streamline back-office processes, reduce manual work, and ensure financial accuracy across multi-property portfolios. As a leader in hotel industry software, M3 delivers technology built specifically for hospitality.
Features that work as hard as you
Built for Hoteliers
Tools that get hospitality, so you can focus on running your hotel, not wrestling with your numbers.
See What’s Working
Track performance across multiple properties, flag issues early, and spot revenue trends with ease.
Automate the Busywork
Let M3 handle journal entries, reconciliations, and reporting so your team can focus on strategy.
Stay Audit-Ready
Meet franchise, brand, and ownership requirements with confidence through automated compliance and organized reporting.
Control Costs in Real Time
Compare budgets, monitor expenses, and act quickly before small issues impact the bottom line.
Multi-Property GL
Manage complex portfolios with intercompany transactions, shared services, and customizable structures.
Connect Your Systems
Integrate with 70+ PMS, POS, and payroll providers for accurate, seamless data flow, no duplicate entry.
Cloud Based Access
Access financials anytime, anywhere with secure, cloud-hosted technology.
Scales With You
From a single hotel to a nationwide portfolio, Accounting Core™ grows with your business at every stage.
Built for Hotels
Tools that get hospitality, so you can focus on running your hotel, not wrestling with your numbers.
See What’s Working
Track performance across multiple properties, flag issues early, and spot revenue trends with ease.
Automate the Busywork
Let M3 handle journal entries, reconciliations, and reporting so your team can focus on strategy.
Stay Audit-Ready
Meet franchise, brand, and ownership requirements with confidence through automated compliance and organized reporting.
Control Costs in Real Time
Compare budgets, monitor expenses, and act quickly before small issues impact the bottom line.
Multi-Property GL
Manage complex portfolios with intercompany transactions, shared services, and customizable structures.
Connect Your Systems
Integrate with 70+ PMS, POS, and payroll providers for accurate, seamless data flow, no duplicate entry.
Cloud Based Access
Access financials anytime, anywhere with secure, cloud-hosted technology.
Scales With You
From a single hotel to a nationwide portfolio, Accounting Core grows with your business at every stage.
Accounting Core: Hotel Accounting Software
M3’s Accounting Core is the leading hotel-specific accounting platform, built to improve efficiency, increase visibility, and drive stronger financial performance across your entire portfolio.
Hotel Tax & Financial Reporting Made Simple
Accounting Core streamlines tax compliance with customizable reporting tools. Automate 1099/1096 IRS forms, apply vendor tax rates (VAT, GST, PST, HST), and export/import data for invoices, budgets, and audits. Stay compliant while reducing manual work.
Hotel Budgeting & Forecasting Tools
Quickly build and lock budgets across properties, create multi-scenario forecasts, and track construction project costs with precision. Accounting Core helps hoteliers improve planning, manage expenses, and strengthen portfolio-wide financial strategies.
Streamlined Hotel Data Processing
Automate PMS imports, daily rollovers, and multi-company accounts payable workflows. Reduce human-error with recurring invoices, multicurrency exchange rates, and prepay functionality, all within one centralized accounting platform
Smarter Hotel Cash Management
Simplify payments with automated checkwriting, ACH, ePay, and virtual credit cards. Accounting Core support vendor payments across multiple properties while reconciling cleared transactions for complete visibility into cash flow.
M3 is one stop shopping, it integrates with our PMS/POS systems and makes financial reports easy and forecasting a breeze.
Warren Beach
Hotel Services Group
M3 is an excellent choice for Accounting software for hotels!
Anna Hagan
Sheraton Imperial Hotel Raleigh-Durham Airport at Research Triangle Park
M3 Provides outstanding service with quality dependable software
Kimberly Rowell
Cordis,Hong Kong by Langham Hospitality Group
Accounting Software tailored to the hospitality user.
Scott Poledna
Wyndham AvoninAvon
Every morning I get my hotel reporting information at exact time each day
William Rudisil
The Hapton Maid in Hampton Bays
the system is user friendly and very effective.
Stevie John Grossett
Hotel Greystone in Miami Beach
Prompt assistance and great customer service.
Khalid Benfilali
Sunray Group
M3 to the rescue! Keeping us accountable, no second guessing A/P and keeping labor/payroll in line all while providing forecasting tools to simply just do better.
Tonya Goodale
Element Chattanooga Eastin (Dynamic Group)
The M3 Time Management is easy to use and the labor and if a problem does occur the Techs call you back right away.
Tristan Daugherty
Embassy Suites by Hilton Santa Clara Silicon Valley
Easy software for submitting and paying invoices.
Allison Feinman
Hampton Inn & Suites Chicago-Burr Ridge
For over 25 years, M3’s award-winning hotel accounting software has helped hoteliers reduce manual labor, automate financial reporting, and simplify their operations. Our comprehensive system combines hotel-specific software with business-critical integrations that deliver the financial visibility required to run a more efficient and profitable business.
Request a Demo
Looking for Customer Support?
Monday-Friday
8:00 am – 11:00 pm ET
Saturday
8:00 am – 6:00 pm ET
Get to Know the Full M3 Platform
With two decades of hospitality expertise, M3 delivers purpose-built solutions tailored to the unique needs of hoteliers. Our platform is intuitive, fully integrated, and cost-effective—without the complexity or overhead of legacy systems.
Owner/Operator Accounting
You shouldn’t have to be a trained accountant to understand your numbers. With the right tools, automation replaces manual work, real-time insights keep you in control, and seamless integrations ensure accuracy—so you can focus on running your business, not crunching numbers.
Learn more
Labor Management
Keep labor costs under control without the guesswork. Gain real-time visibility into staffing, wages, and scheduling—so you can make smarter decisions and protect your margins.
Learn more
Business Insights
Make smarter decisions, faster. Turn your hotel’s data into clear, customizable dashboards — so you can stop guessing and start leading with confidence.
Learn more
Outsourced Accounting
Managing hotel finances can be complex and time-consuming. M3’s Outsourced Accounting services are designed to alleviate this burden, offering you a team of seasoned hospitality accounting professionals who understand the unique challenges of the industry.
Learn more
Get to Know the Full M3 Platform
With over two decades of hospitality expertise, M3 delivers purpose-built solutions tailored to the unique needs of hoteliers.
Our platform is intuitive, fully integrated, and scalable without the complexity or overhead of legacy systems.
Owner / Operator Hotel Accounting
You shouldn’t have to be a trained accountant to understand your numbers. With the right tools, automation replaces manual work, real-time insights keep you in control, and seamless integrations ensure accuracy.
Learn More
Labor Management
Keep labor costs under control without the guesswork. Gain real-time visibility into staffing, wages, and scheduling—so you can make smarter decisions and protect your margins.
Learn More
Business Insights
Make smarter decisions, faster. Turn your hotel’s data into clear, customizable dashboards — so you can stop guessing and start leading with confidence.
Learn More
Outsourced Accounting
M3’s Outsourced Accounting services alleviate the accounting burden, offering you a team of seasoned hospitality accounting professionals who understand the unique challenges of the industry.
Learn More
Frequently Asked Questions
Get answers to frequently asked questions about M3’s Accounting Core, including features, integrations, and how it helps hotel owners and management companies simplify financial reporting.
Accounting Core is the flagship accounting platform designed specifically for hoteliers. Unlike generic accounting tools, it handles muli-property complexity, automates financial reporting, and integrates with 70+ hospitality systems to deliver unmatched financial visibility.
Yes. Accounting Core was built for both single-property owners and multi-property management companies. Its scalable features, such as intercompany transactions and consolidated reporting, make it ideal for portfolios of all sizes.
Accounting Core automates audit-ready reporting, simplifies franchise and brand requirements, and generates accurate tax forms (1099/1096) with built-in checks for accuracy. This reduces audit risks while saving time for finance teams.
Yes. The platform offer multicurrency functionality, exchange rate support, and recurring invoices, helping international hotel operators manage cross-border accounting with ease.
Implementation timelines vary by portfolio size, but M3’s white-glove onboarding ensures every data point is accurately imported. Most properties can be live in weeks, not months, with full training provided.
Absolutely. M3 integrates with leading PMS, POS, and payroll providers, enabling seamless data flow and reducing manual entry. These integrations allow hoteliers to focus on strategy instead of reconciliations.