"The future is endless as long as the
firm continues to adapt and change
services that are needed by our clients."

- William L. Zielinski


Zielinski Companies
2150 Hampton Avenue
St. Louis, MO 63139
(800) 489-2150

In Focus
Welcome to Zielinski Companies

Zielinski Companies has served religious and non-profit organizations since 1957.

William L. Zielinski, began working with religious clients in the Midwest as great changes were starting to take place for congregations. During the early years, it became apparent that specialized services were needed to serve the unique lifestyle and mission needs of religious communities and their sponsored ministries.

From that early start of providing accounting and auditing services, Zielinski Companies has grown into a worldwide provider of a complete range of financial, planning, and management services for religious and non-profit organizations.

…Learn More »

News and Updates

About Us | Clients | Services | Articles | Resources | Site Map | Home

Zielinski Companies | 2150 Hampton Avenue, St. Louis, MO 63139 | (800) 489-2150

(314) 644-2150 | (314) 644-7132 FAX | mail@zielinskico.com

©2015 Zielinski Companies. All rights reserved. | Website Design by SeS.