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Hi, We’re Proper!

We're a team of property accounting specialists superpowered with the latest automation technology, who provide more cost-effective, efficient, scalable financial services for property.

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Average annual savings

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Average door count growth

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Trustpilot Rating

“Proper frees up hours of my time allowing me to focus on growing my business.”

Michael Johnson

President of PMI Commonwealth

Proper's People


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Mark Rojas


A creative technologist with a love of building efficiency-enhancing products, Mark Rojas grew up in NY’s real estate scene.

Since leading design and product at Shopular (backed by Sequoia), he’s gone back to his roots in real estate and his passion for automation.

executive team

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Mathias Paumgarten

Director of Engineering

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Joshua Alger

Director of Accounting

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Mario Moreno

Director of Operations

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Sarah Klegman

Chief Happiness Officer & Head of Partnerships

Powered by a team of 200+ accountants

All Proper accountants are former Fortune 500 or Big 4 accountants from the world’s top accounting organizations.

These passionate folks help you find opportunities to save time, save money, and make improvements to the way you do business.

Proper accountants are also supported by our team of Property Management Accounting Experts who tap into their decades of experience at top US Property Firms to provide on-call assistance and ongoing, industry-specific training.