Tel: (414) 744-2771 Fax: (414) 744-3999

Southeastern Wisconsin Commercial Cleaning

Locally owned and operated

Since our start in business in 1971 we have as a company dedicated ourselves to giving our customers the best service possible.  As a result of this philosophy we have developed a solid reputation of dependability, honesty, and quality workmanship throughout the metro Milwaukee area.

We view all of our customers as important regardless of size or type of service provided.  We pride ourselves in quick and effective response to any given situation.

Yes, we are confident that our approach at Pioneer will prove to be a refreshing change, and we encourage you to give us an opportunity to be of service to you.

We at Pioneer realize the value of employee loyalty and have made it a policy to promote people from within our organization. We firmly believe that this is one of the major reasons we can provide our valued customers with quality service.  Our employees have learned and are comfortable with our system and expectations of quality.


- 40 Years in Business
- 150 Years Combined Upper Management Experience
- In the Top 10 listing of Building Maintenance firms in Milwaukee

Featured Partners

Our Team

G.A. Gaidosh : President / Co-Owner

Having started Pioneer as a part venture many years ago, we have maintained the same attitude toward our customers from our very first day in business, to the present. We treat each customer with respect and always deal honestly with them. We sincerely believe it is this philosophy that has led to the success of our firm.

W.J. Macknight : Exec. Vice President / Co-Owner

Our business model is based on a simple philosophy- customer service. It is the common thread that has built our business from 2 men working out of a trunk of a car part time over 40 years ago to one of the largest privately owned janitorial companies in Milwaukee. As its often been said “The proof is in the pudding” or in our case the reputation we have earned from both our customers, as well as, our peers, for providing the best customer service our industry has to offer. It’s the Pioneer experience.

Frank Nickel : Vice President of Business Operations

Frank began with the Company in 1977.  He has handled all facets of the commercial cleaning industry included Cre Leader, Building/Account/Area Manager.  In his present capacity, he coordinates Long Range Planning, Quality Assurance, Specialty Services and Customer Service.  He is responsible for guiding all facets of the Company and insuring delivery of our high quality service.

Mark Jasinski : Manager, Employment & Training

Mark joined the Company in 1983.  He has held many positions, including Crew Leader, Building and Account Supervisor, Area Manager, and now is responsible for the recruiting, screening, hiring and training of our employees.  He reports to the Vice President of Business Operations daily to coordinate staffing and training.

Contact Us

We provide commercial cleaning services in the following Wisconsin communities: Waukesha, Milwaukee, Cudahy, New Berlin, West Allis, Oak Creek, Muskego, Mukwonago, Brookfield, Wauwatosa, Brown Deer, Germantown, Port Washington, Pewaukee, Oconomowoc, Mequon, Grafton and more!

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