Meet Our Team

Diverse, knowledgeable and trained to understand the latest changes related to bookkeeping. Meet the people who will make a positive difference in the operation of your business.


Arlene M. Colosimo


Arlene started her career over 35 years ago, working in the HVAC industry as a comptroller. Expanding her accounting knowledge and experience, she branched off in 1993 to start AMCO Services.

AMCO Services was built by design to help business owners focus on running the operational aspects, while AMCO manages the bookkeeping and payroll needs.

Attending William Rainey Harper College, Arlene became a Certified Bookkeeper and QuickBooks Professional Adviser. She specializes in working with both established and new businesses in the setup, training and monthly reporting. For more than 35 years, Arlene continues to expand her business acumen; resulting in helping her clients reach their fiscal goals by empowering them with the most current knowledge and expertise. 


Anita C. Foss

Client Services Manager, Champaign Location

Anita has over eight years of bookkeeping experience and currently manages our Champaign location. Anita earned a Bachelor of Arts from Roosevelt University in 2010 and her Master of Education degree from Northern Illinois University in 2014. After working in public education for four years, she has returned to bookkeeping. Anita enjoys assisting small business owners and their staff with organizing and managing their day-to-day financial needs.

More of our talented staff...


Client Services Manager- Cary, IL


Client Services


Client Services

Did you know?

Our objective is to help you, the business owner, focus on running your operation and generating revenue, while we handle all your bookkeeping and payroll needs.


Commercial, Small Business, Individual and Associations

Serving the local communities...

Crystal Lake, Arlington Heights, Wauconda, Woodstock, Carpentersville, Barrington, Algonquin and more...

Cary Location
720 Industrial Drive
Suite 120
Cary, IL 60013

Fax: (847) 639-9702
Champaign Location
505 W. Univeristy Ave.
Champaign, IL 61820

Fax: (847) 639-9702