What We Do
and Why It Matters

We work alongside your team to bring consistency, structure, and
visibility to your finances — every step of the way.

We work alongside your team to bring consistency, structure, and visibility to your finances — every step of the way.

How We Work

We take pride in our ability to offer efficient, easily understandable, and reliable financials to amazing small business owners.

Communication

We prioritize communication with our clients. Clear expectations. No Surprises.

Accuracy

Every number double-checked.
Every report built for clarity.

Tech that saves you time.

Automation, integrations, and dashboards that deliver answers instantly.

Our Core Behaviors

The principles that guide how we work, how we show up for our clients, and how we build trust every step of the way.

Partner Beyond the Numbers

Build relationships that matter. Be approachable, curious, and proactive. Show up as a true ally who clients trust and enjoy working with. Understand their goals, anticipate their needs, and make every interaction valuable.

Build relationships that matter. Be approachable, curious, and proactive. Show up as a true ally who clients trust and enjoy working with. Understand their goals, anticipate their needs, and make every interaction valuable.

Build relationships that matter. Be approachable, curious, and proactive. Show up as a true ally who clients trust and enjoy working with. Understand their goals, anticipate their needs, and make every interaction valuable.

Build relationships that matter. Be approachable, curious, and proactive. Show up as a true ally who clients trust and enjoy working with. Understand their goals, anticipate their needs, and make every interaction valuable.

Who we are

Whether you’re dealing with a broken setup or starting fresh, we bring structure, clarity, and reliability to your financial systems.

Tailor Hartman

Founder & CEO

“We built Celerity to bring clarity and trust back into financial systems — so businesses can finally move forward with confidence.”

Sherrine Taylor

Client Accounting Lead

“Our goal is simple: clean, reliable financials our clients can actually trust and use every day.”

Heather Mershon

Staff Accountant

“We design systems that remove friction — so your business can scale without chaos behind the scenes.”

Seng Taylor

Staff Accountant

“Consistency is everything. We make sure your financial operations run right — every single time.”

Jackie O'Neil

Accounting Support

“We turn financial data into clear direction, so you always know what to do next.”

Human Proof

– Trusted by 30+ growing companies on
NetSuite & QuickBooks Online

– Recognized as a Top 40 Under 40 CPA

– Top 50 Modern Accounting Firm of 2025

– Based in Madison, WI and serving clients nationwide

Ready to Get Your
Finances on Track?

From fixing what’s broken to helping you plan ahead — we
build financial systems you can trust at every stage.

From fixing what’s broken to helping you plan ahead — we build financial systems you can trust at every stage.