Never just a number

What we do

Let Us Take The Stress Out Of Running Your Business

Business Foundation Services

We’ll take you beyond the numbers with deep analysis and strategic guidance that enables you to make sound, smart business decisions.

Learn more about advice.

Business Consulting

Let us guide you toward a healthy financial future.

Learn more about advice.

Accounting

You run your business. We’ll run your numbers.

Learn more about accounting.

Tax Planning & Preparation

Keep more of your hard-earned money with sound, strategic tax planning and preparation support.

Learn more about tax.

Our Mission

The mission of Costanzo, Woomer, Nistendirk, PLLC, is to transform the lives of our clients and employees. We help our clients realize their lifestyle and profit potential through more effective communications. Communications is the basis for all good business practices with clients, vendors and employees.

Our Commitment

All of our work is fully guaranteed. If we fall short of your expectations, in any way, please contact us immediately so we can work to assure your happiness.

CWN Core Values


Be Positive

Contribute to a positive and solution-oriented work environment.

Communicate Effectively

Practice direct, honest, polite, and constructive communication.

Display Respect

Treat each other and our clients with respect.

Own It

Take responsibility for your clients, your actions, and your mistakes.

Have Fun

Maintain a healthy work-life balance.

WHO WE SERVE

Life's Better When People Understand Your Needs

Nonprofits

You’re passionate about your nonprofit...we are passionate about your success.

Dentists

Numb to the thought of accounting work? Let us handle it for you.

Contractors

We’ll construct a plan to help lead you toward financial success.

Doctors

Stay financially healthy with expert, strategic guidance.

Advantage

Your personal
finance edge

From the firm: Making tax season work for you

Read more about From the firm: Making tax season work for you> ➞

Protect your business: Your essential cybersecurity checklist

Read more about Protect your business: Your essential cybersecurity checklist> ➞

Sales tax in 2025: What small business owners need to know

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ebook

Maximizing your tax refund: A strategic guide to tax planning

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QuickReads

Let's talk business

Your launch list for e-commerce business success

An e-commerce business allows you to tap into the growing online marketplace. Learn what you need to consider when launching an e-commerce business.

Read more about Your launch list for e-commerce business success ➞

Protecting your personal and business data: Essential security tips from your trusted advisor

Discover essential security practices that will help protect your financial information and make 2024 your most secure year yet.

Read more about Protecting your personal and business data: Essential security tips from your trusted advisor ➞

Get ready for tax season: An end-of-year checklist for smooth W-2 and 1099 processing in January

Smart business owners know that preparing for tax season shouldn’t wait until January. Check out our end-of-year checklist to get organized!

Read more about Get ready for tax season: An end-of-year checklist for smooth W-2 and 1099 processing in January ➞

WHO WE WORK WITH