Tax strategy for business owners

Stop finding out at filing time. Start deciding before the year is over.

Cassie Kirwan is an IRS tax professional with an MBA. She prepares every return with a strategy lens and builds year-round tax plans for business owners and the self-employed, so there are fewer surprises and smarter decisions.

  • Founder-led
  • Filings in 24–48 hrs once documents are in
  • St. Augustine + virtual
Cassie Kirwan, founder of Kirwan Financial Services, in a burgundy blazer
Cassie Kirwan, MBA Founder & Tax Strategist IRS tax professional · creator of WhipSmart CEO™

Hindsight vs. foresight

Tax preparation tells you what already happened. Planning changes what happens next.

Drag the divider across the same twelve months. On the left, a year you only see in the rear-view mirror. On the right, a WhipSmart CEO™ year, with every milestone set before it arrives.

Hindsight A filing-only year

  1. Quarter 1Last year’s numbers sit in a shoebox until the forms arrive.
  2. Quarter 2Estimated payments are a guess, if they happen at all.
  3. Quarter 3Big decisions get made without asking what they do to the tax bill.
  4. Quarter 4Year-end passes. The window to plan closes quietly.
  5. Filing timeSurprise tax bill. Rushed decisions. Reacting, again.
Plan your next year on a free call

Services

Four ways to stop reacting to your taxes, one strategist behind all of them.

Start with a clean, accurate return or go all in on a year-round strategy. Either way, you work directly with Cassie, and every return is prepared with an eye on what comes next.

Individuals + business

Tax Preparation & Compliance

Accurate, compliant returns prepared with a strategy lens: individual returns, Schedule C and single-member LLC returns, federal and state filing, and a year-end review before anything is filed.

  • Individual tax preparation
  • Business & self-employment returns
  • Federal & state filing
  • Year-end tax review
See tax preparation

Targeted sessions

Proactive Tax Planning

Focused planning conversations before decisions are made: estimated tax guidance, a review of how income and deductions are structured, and scenario planning for life and business changes.

  • Estimated tax guidance
  • Scenario planning
  • IRS notice guidance when applicable
See proactive planning

Excel tool

WhipSmart Tax Dashboard

A downloadable Excel dashboard to track income, expenses and mileage, with totals that calculate themselves. No apps. No subscriptions.

  • Income & expense tracking
  • Auto-calculating dashboard
  • Mileage tab
See Tax-Ready Tools

The signature program

WhipSmart CEO™: this is not tax prep. This is tax leadership.

A 12-month strategic engagement for business owners and self-employed professionals who are done finding out what they owe after it’s too late to change it.

  1. 01

    Year-round strategy

    Twelve months of planning, guidance and execution support, not one meeting in April.

  2. 02

    Quarterly tax reviews

    Income and projected obligations reviewed every quarter, so estimated payments stop being guesses.

  3. 03

    Entity & income strategy

    How your business is structured and how you pay yourself, revisited as you grow.

  4. 04

    Customized implementation schedule

    Planning milestones, estimated tax timing, strategy checkpoints and recommended actions, on your calendar.

  5. 05

    Priority support & guidance

    When a decision comes up mid-year, you ask before you act, not after.

Tax preparation is a separate service and can be added so your filings line up with the plan.

Cassie Kirwan working at a laptop in a café
Built by a business owner, for business owners.

How it works

Four steps from “what do I owe?” to “here’s the plan.”

  1. 01

    Initial consultation

    A free 15-minute Zoom discovery call to understand your income, your business and what is keeping you up at tax time.

  2. 02

    Strategy & planning

    Cassie reviews your information and identifies opportunities based on your situation: clarity, planning and intention, not guesswork.

  3. 03

    Preparation & execution

    Returns are prepared accurately and compliantly, and planning moves get put on the calendar so they actually happen.

  4. 04

    Year-round support

    Check-ins and guidance as your income, business or life changes, so next year starts ahead instead of behind.

Fast once you’re ready: after all your documents are in, Cassie aims to complete your filing within 24–48 hours.

Second Look

Think last year’s tax bill was too high? Bring it to Cassie.

“We had a CPA who said our ridiculously high tax bill was our fault. I reached out and found Cassie — and she found the error.”

Ashley N., Facebook recommendation

Book the 15-minute discovery call and mention last year’s return. Don’t send anything ahead: after booking you receive a personalized checklist, and Cassie will tell you plainly whether a deeper review makes sense.

  • You paid more than you expected

    A bill that felt wrong is worth a fresh set of eyes, especially if your income or business changed.

  • You got an IRS notice

    Notice and transcript review is one of the things Cassie helps with through planning engagements.

  • You’re behind on prior years

    Prior-year catch-up and non-filer situations are a starting point, not a judgment.

In clients’ words

Real returns, real money left on the table, found.

She was able to really dig into my information and books to maximize our deductions. She saved us $8,000 in our tax returns this year. I cannot recommend her enough for families with multiple W-2s and business owners.

Valeria U. · Google review

We had a CPA who said our ridiculously high tax bill was our fault. I reached out and found Cassie — and she found the error. She saved us $4,000. Reach out to Cassie. She is fantastic and I am so glad we found her.

Ashley N. · Facebook recommendation

Quoted as published on kirwanfinancial.com. Individual results depend on each client’s situation.

Cassie Kirwan smiling at her laptop at a desk

Meet Cassie

A business owner who does taxes like a business owner.

Cassie Kirwan is the founder and tax strategist behind Kirwan Financial Services, an IRS tax professional with an MBA and a background in analytical, process-driven work.

She built the firm after seeing how many people only think about taxes once a year, plugging in numbers and hoping for the best. Her approach is the opposite: clarity, planning and intention. You work with her directly, from the first call to the final filing.

Read Cassie’s full story
  • Stress-free experience

    The details are handled with care and precision, so filing feels organized and manageable, not overwhelming.

  • Forward-thinking solutions

    Every return is prepared with a forward-looking mindset, so you can think beyond the current year.

  • Trusted expertise

    An IRS tax professional with an MBA, bringing accuracy and integrity to every client relationship.

  • Client-centered approach

    You work directly with Cassie. A relationship-driven practice, not a one-size-fits-all service.

FAQ

Straight answers before you book.

Question not here? Ask Cassie on a 15-minute discovery call or by email.

Book a discovery call hello@kirwanfinancial.com

What is the difference between tax preparation and tax planning?

Tax preparation is focused on accurately filing your return for a completed tax year. Proactive tax planning focuses on evaluating upcoming income, changes and decisions so you can plan ahead, before decisions are made rather than reacting at filing time.

Is WhipSmart CEO™ an annual program?

Yes. WhipSmart CEO Tax Strategy is a 12-month strategic engagement with consistent planning, guidance and execution support throughout the year, including a customized implementation schedule of planning milestones, estimated tax timing, strategy checkpoints and recommended actions.

Does WhipSmart CEO™ include tax preparation?

Tax preparation and tax strategy are offered as separate services. Tax preparation can be added so your filings align with your overall plan.

How is WhipSmart CEO™ different from Proactive Tax Planning?

Proactive Tax Planning offers targeted planning sessions as needed. WhipSmart CEO provides a structured, annual strategy with ongoing guidance, accountability and implementation support.

Can you help if I’m self-employed?

Yes. Cassie works with freelancers, independent contractors and small business owners to prepare accurate and compliant returns based on business income and expenses, including Schedule C and single-member LLC returns.

How long does tax preparation take?

Once all your documents are in, the aim is to complete your filing within 24–48 hours.

What documents do I need?

Income documents such as W-2s and 1099s, plus documents for deductions or credits you may qualify for (education expenses, charitable contributions, business expenses and so on). You receive a personalized document checklist after booking.

Do you provide IRS audit or notice representation?

IRS notice support and representation are not included with standard tax preparation. They are available through proactive tax planning or ongoing strategy engagements.

Do you work with clients outside St. Augustine?

Yes. Kirwan Financial Services is based in St. Augustine, Florida and serves clients virtually throughout Florida and beyond. The discovery call happens over Zoom.

Final call

Next year’s tax bill is still up for decision. Make the call while it is.

Book a free 15-minute discovery call over Zoom. Pick a time that suits you and talk with Cassie directly. Prefer to write? Email works too.

  • Zoom discovery call
  • Based in St. Augustine, FL
  • Serving Florida and beyond, virtually