News & Updates

In-person and virtual appointments are available, please contact us to schedule an appointment.

We encourage our clients to use our Secure Portal System to upload documents.

 Office Hours & Holiday Schedule:

Office Hours:
Monday-Thursday: 8:30am to 5:00pm
Friday (summer hours-6/21-8/16): 8:30am to 2:00pm

Holiday Schedule:
We observe the following holidays: July 4th (7/4), Labor Day (9/2), Thanksgiving (11/21 & 11/22), Christmas (12/24 & 12/25), New Year (1/1)


Updated Terms & Conditions Addendum. LEARN MORE

ID.ME account will be needed to access some IRS Applications. LEARN MORE 

See the 2024 Tax Reference Guide. LEARN MORE

Did you have a Third Round Economic Impact Payment Discrepancy? LEARN MORE

Did you have an Advance Child Tax Credit Discrepancy? LEARN MORE 

Did you know that Illinois requires ANNUAL sexual harassment training? See what you need to do to stay compliant. LEARN MORE

Vertex Accounting Partners Philosophy

We Report the Past & Plan for the Future.

Vertex Accounting Partners LLC, formerly De Sio, Franzen and Associates, Ltd., is the trusted, strategic accounting partner for its clients. Our team of accounting professionals provides customized, comprehensive accounting services and planning for both individuals and businesses. We tailor our services to meet your needs.

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Vertex Accounting Partner - Accounting Professionals

About us

Our team of CPA’s, Enrolled Agents, MBA’s and accounting professionals have the knowledge and experience necessary to ensure your accounting needs are met with the expertise you expect. As part of the Vertex Partners group, we have the resources available to offer our clients a 360 degree view of their accounting and financial planning needs.

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At Vertex Accounting Partners LLC we have a relationship with you, not your documents. That  relationship begins during our first meeting. Our discussions provide the background necessary to ensure the accounting services we provide are comprehensive and thorough. Whether you are a first time or long standing client our approach remains consistent: learn about you so we can be you trusted partner for years to come.

Vertex Accounting Partner - accounting services


Vertex Difference

The Vertex Partners family provides clients with all of the resources they need for a unified and comprehensive approach to their accounting and financial needs. We bring the right people together in a collaborative effort to deliver a plan that is right for you.

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Vertex Accounting Partner- Vertex Difference