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We Help Yours Grow.


Welcome to Mierendorf and Co. P.C, a certified public accounting and small business advisory firm serving the Grand Rapids and greater West Michigan areas.

At Mierendorf and Co., our goal is to be proactive with our clients. Our team of knowledgeable and professional CPAs is here to help you and your business succeed.

From business and consulting services to tax preparation and reporting, our team is experienced in all phases of small business advisory services. At Mierendorf and Co., we focus on a team based service approach, allowing us to quickly identify problem areas, find solutions to your business challenges, and suggest strategies for growth and improved profitability.

We want to be part of your team because your success is our success! We encourage you to explore our site and learn firsthand how our team can assist your business now and in the future.

2021 Tax Planning

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It is never safe to send sensitive financial infor­mation or documents with regular email. Mierendorf & Co. now offers Encyro – an easy, standards compliant, secure messaging and data upload platform.

To securely upload files to us, simply click on https://www.encyro.com/mierendorfcpas. You will be directed to a secure web browser. Enter your email address and name. Browse or drag and drop your files. Write your message. Check the “I’m not a robot” box and click the send button. We will be notified when your secure email is received.

When your tax return is completed and if you’ve requested a pdf copy, we will send it to you by Encyro email. You will receive a mes­sage in your regular email Inbox from Mierendorf & Co. If you are new to Encyro, the message will direct you to set up your own password to access this and future Encyro emails and attachments. If you already have an Encyro account, your message will have you click “Access Now.” You’ll then be able to login to your existing account and view our email and attachments.

To better ensure you’ll receive Encyro emails from us, please add info@encyro.com to your email contacts, address book or safe senders list.

A convenient feature of this platform allows you to securely email your tax documents, such as sending directly to your lending officer for a new loan. If you need past returns that are not in your Encyro docu­ments, or other assistance, just contact us by email or phone.

2021 Mileage Rates

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The IRS has announced the 2021 standard mileage rates for vehicles. Beginning on January 1, the new rate for business miles will be 56 cents.

The 2021 medical mileage is 16 cents per mile. Charitable mileage remains unchanged at 14 cents per mile.