One Word:  Brilliant!  The stars are

beginning to align.


Brilliant!  The stars are starting to align.


The systems she created gave us what we needed, & were flexible enough to allow us to work through significant change while operating in the public eye.


She is meticulous in detail, and yet thinks out of the box.  She is extremely honest and has impeccable people skills.  We will continue to highly recommend her services to our clients


She is a wealth of information.  She will not only validate your calculations but will provide educational direction throughout the process to help you gain better control & knowledge of your institution's data.


Your ability to handle things on the fly is nothing short of spectacular.  Sincerely, no blowing smoke up your skirt, you are by far the smartest person I know... and the way you can relay info is amazing.

Copyright 2019     nVision LLC


Founded in 2001, we are not your traditional CPA firm.  In fact, we don't do income tax returns or audits (we work with your preferred professionals for those functions.)  We are street fighters who bring an outside perspective to each client by fiercely stewarding your assets as if they were our own, and using practical tools & solutions to increase profits, maximize cash flow, and grow the value of your business.  We also develop healthy leadership teams, and use robust simulations to develop long-range plans and strategies.

Mary Rehberg, CPA

With 30 years in the trenches, Mary knows what works…. and what doesn’t. She supports clients’ systems needs, cash flow issues, product costing, growing pains, organizational structure, and analysis of where their business is headed.  She is a veteran  CFO and experienced supervisor of accounting, HR, and IT staff, with a strong history of developing self-directed leadership teams.

In addition to being a proud math nerd, Mary is an active community volunteer and a musician, playing piano and woodwinds in several bands.  She and her family live on a small farm where they raise grass-fed beef & pork on rotational grazing pastures,  practicing sustainable agriculture methods in their woods and greenhouse.

Elizabeth Rehberg
Project Manager

Liz is a business renaissance woman, with nearly 20 years experience as a bookkeeper, I/T Tech, and project analyst.  From traditional bookkeeping and payroll duties to internet and social media projects, intranet implementations, and software conversions, she is able to walk into projects and quickly figure out what needs to happen, and get the job done.

Liz is also a professional French-trained pastry chef, and delivers everything from beautiful wedding cakes to darn tasty cookies!

Cathy Gattone-Kosinski

Cathy is an experienced marketer with an emphasis on social media and web design.   She knows the tricks and tips to get a queue of web-based client activity up and running, and how to design the followup procedures.

Cathy is also a real estate agent, and a proud member of the Choral Aires, an international award winning Sweet Adeline Chorus in Chicago.  Cathy sings baritone in a Top-5 barbershop quartet, and plays a mean piano.