We are a full-service commercial cleaning company, serving Montana communities and the surrounding region.


Started by Dennis and Darlene Richards in 1981, the company now employs more than 300 employees statewide. We have developed our business from the ground up and strive to be leaders in our industry, both in knowledge and service quality.

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Green Technology

At Puritan, we are committed to the stewardship of the earth and to providing the best working environment for our employees and clients. We strive to:

• Use Green Seal Certified and other environmentally-friendly products
• Use equipment with a lower environmental impact profile
• Use high performance green cleaning processes and systems


Our core values


We are persistent in our pursuit to deliver quality cleaning and customer satisfaction through systematic, company-wide inspection and review processes.


We use the most effective chemicals, equipment, and methods to provide premier service at competitive rates.


We strive for excellence in reliability, responsiveness, appearance, communication, attitude, and character.


By working as a team, and treating others well, we aspire to be a positive impact on our coworkers, our clients, and our communities.


We are committed to constant improvement in every aspect of what we do. We value creativity and a spirit of continual learning.

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We are a company built on quality service – it is the foundation of our culture and values. We asked some of our clients what they think, and here is what they have to say:

The comparison between Puritan and our last cleaners is so drastic that we are still raving about it on a daily basis in our office. We are so ecstatic to have a company that cares so much about us, our patients and the cleanliness of our medical establishment.
— Medical Office Manager
Puritan does an excellent job of cleaning; our employees and customers have noticed our clean building.
— Bank Branch Manager
I think your team does an exceptional job. You are always quick to respond and take care of any issues we may have questions on.
— Medical Practice Manager
Puritan has been incredibly responsive to our changing needs. You bring something to their attention and it is addressed. You don’t have to check up on them you can rest assured that it is done.
— Hospital Facility Manager