Your Local Partner in Financial Clarity.

Helping individuals and small businesses in Mill Creek and beyond achieve financial clarity and confidence.

Why Westcott?

I’m passionate about helping small businesses setup and efficiently manage their business. I am proficient in both retail and service oriented business; accrual and cash basis accounting systems.

  • At Westcott Accounting, you’re not just another file on the desk. With over 30 years of experience, Susan Westcott offers hands-on, tailored support for individuals and small businesses. You get the expertise of a seasoned professional—combined with the care, attention, and responsiveness of a trusted local advisor who truly understands your financial goals.

  • You can count on Westcott Accounting for precision, professionalism, and discretion. Whether it's meeting tax deadlines, managing monthly books, or advising on financial decisions, Susan Westcott delivers accurate work on time—every time—while maintaining the highest standards of client confidentiality and trust.

  • Based in Mountlake Terrace, Susan Westcott is a trusted neighbor and financial partner. Clients appreciate her approachable style, prompt communication, and dependable service. Whether you're down the street or across the region, working with Westcott Accounting feels personal, responsive, and refreshingly simple.

Our Services

Financial Services

– Small business and LLC filings

– IRS correspondence & support

– Financial strategy planning

– Financial literacy coaching

– Budget planning

Bookkeeping & Payroll

– Full charge bookkeeping

– Monthly reconciliation of trial balance

– Financial statements

– Payroll setup & management

– QuickBooks and Sage accounting software support

– Timely IRS 940 & 941 payment & reports

– Quarterly payroll reports

New Business Startups

– Operating agreements

– Business structures

– Banking

– WA DOR applications

– IRS applications

Client Stories

  • “Susan was a very honest and reliable woman and she developed many new skills over the years and became the leadership position in the business office which dealt with all aspects of accounting for five different businesses..”

    Carol Schoenfelder, Physicians Eye Clinic

  • “Susan has consistently demonstrated exceptional dedication, professionalism,and expertise as our accountant. Her ability to adapt to evolving challenges made her an invaluable asset to our team. Her commitment to excellence, strong work ethic, honesty, and collaborative spirit inspired all those around her.”

    Dr. Thomas Jones Jr., Physicians Eye Clinic

  • “Susan is a very skilled, personable, and reliable accountant that can help your business with many bookkeeping needs.  I had the pleasure of working with Susan for over 30 years and can attest to her professionalism.”

    Cindy Weyer, Physicians Eye Clinic

  • “Susan has been incredibly dependable and knowledgeable, handling all our tax filings and bookkeeping with precision and care. Her attention to detail and professionalism have been invaluable, and we’ve come to rely on her expertise to keep our finances organized and on track.”

    David Sperry, Nebulous Agency

  • “Susan Westcott has been our accounting consultant since 2022 and was instrumental in catching up reports and backlogs across locations. She implemented procedures, trained staff, and kept us current for over a year. In addition to her skills, she’s easy to work with and well liked—I highly recommend her.”

    Harry Truitt, Lighthouse Diving Center

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Meet Susan Westcott

Learn more

With over 40 years of professional accounting experience, Susan Westcott has built a reputation for accuracy, integrity, and personalized service. Based in Mountlake Terrace, WA, Susan works closely with individuals, families, and small businesses to simplify complex finances and support smarter financial decisions.

Her goal? To make accounting approachable and stress-free—so you can focus on what matters most.

Contact Us

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!