Shaping the Future of Real Estate — One Company, Three Expert Divisions

At MasterKey, we believe in transforming property management by connecting people with smarter, more intuitive solutions. Our mission is to create an experience where property owners and residents feel supported, valued, and empowered. By leveraging advanced technology and a deep commitment to customer care, we’re redefining what it means to manage and live in rental spaces.

Our Mission

Empowering Investors to Build Smarter, Stronger Portfolios

At MKM Companies, we help real estate investors take control of their financial future. Through our integrated approach — spanning property management (MasterKey), brokerage services, and capital strategies — we simplify the investment journey from purchase to profit. Our mission is to deliver clarity, efficiency, and peace of mind by combining modern technology, hands-on service, and deep market expertise. Whether you're acquiring, managing, or scaling your portfolio, MKM is your trusted partner every step of the way.

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Our Values

Learn more about the company and the team behind it.

Share team inboxes

Whether you have a team of 2 or 200, our shared team inboxes keep everyone on the same page and in the loop.

Deliver instant answers

An all-in-one customer service platform that helps you balance everything your customers need to be happy.

Manage your team with reports

Measure what matters with Untitled’s easy-to-use reports. You can filter, export, and drilldown on the data in a couple clicks.

Connect with customers

Solve a problem or close a sale in real-time with chat. If no one is available, customers are seamlessly routed to email without confusion.

Connect the tools you already use

Explore 100+ integrations that make your day-to-day workflow more efficient and familiar. Plus, our extensive developer tools.

Our people make the difference

We’re an extension of your customer service team, and all of our resources are free. Chat to our friendly team 24/7 when you need help.

Meet our team

Keith Mathias

Co-Founder & Broker

Veteran broker, builder, and real estate consultant.

Michael Mathias

Co-Founder & Broker

Broker, and former AdTech consultant for Google, Nike, & Samsung.

Mark Mathias

Co-Founder & Property Manager

Agent, Property Manager, and former tech product manager.