Professional Accounting & Tax Services
Accounting & Tax
Solutions You Can Count On
Personalized Service
Tailored financial solutions that fit your unique needs and goals.
Accurate Tax Preparation
Individual and business federal and state tax filings.
Business Accounting
Comprehensive bookkeeping and financial reporting for your company.
Responsive Support
Year-round availability — we're here when you need us, not just at tax time.
What We Offer
Comprehensive Tax & Accounting Services
From individual tax preparation to full-service business accounting, we are full service accounting and tax service providers.
Individual Tax Services
Personalized tax solutions to support tax strategy, tax planning, tax filing, tax notifications, and tax audits.
Learn MoreBusiness Tax Services
Corporate tax preparation, compliance, multi-state filings, and strategic tax planning for businesses.
Learn MoreBookkeeping
Monthly bookkeeping, bank reconciliation, financial statements, and financial records cleanup and maintenance.
Learn MorePayroll Services
Full payroll processing, tax filings, W-2 & 1099 preparation, and direct deposit setup.
Learn MoreBusiness Accounting
Financial reporting, cash flow management, budgeting, forecasting, and CFO advisory services.
Learn MoreTax Planning
Proactive year-round tax strategy, retirement planning, and strategies to minimize your tax burden.
Learn MoreWhy We're Different
Why Clients Trust Owsiak ATS
We combine deep expertise with our customer-oriented delivery model to deliver financial clarity and peace of mind.
Experienced Financial Professionals
Our team brings decades of combined experience in tax law, accounting, and financial strategy.
Personalized Service
Every client gets a custom strategy. We don't do one-size-fits-all — your finances deserve individual attention.
Transparent Communication
No jargon, no surprises. We explain your financial picture in plain language you can act on.
Accurate & Timely Filing
We stay ahead of deadlines and tax law changes so your filings are always correct and on time.
Business Growth Support
Beyond compliance — we're your strategic partner, helping your business grow with smart financial insights.
Long-Term Client Relationships
Most of our clients have been with us for years. We earn your trust every tax season — and every day in between.
How It Works
Our Simple Process
Getting your finances in order has never been easier. Here's how we work together.
Schedule a Consultation
We start with a no-obligation conversation to understand your financial situation, goals, and concerns.
Review Your Financial Situation
We analyze your current finances, tax history, and business structure to identify opportunities and risks.
Develop a Custom Strategy
We build a personalized tax and accounting plan designed to meet your personal goals.
Prepare, File & Implement
We execute the plan — preparing and filing your returns, setting up bookkeeping, or running payroll.
Ongoing Support & Monitoring
We stay in touch year-round, monitoring tax law changes and adjusting your strategy as your life or business evolves.
Got Questions?
Frequently Asked Questions
Everything you need to know before getting started with Owsiak ATS.
We offer comprehensive tax services including individual and business tax preparation, tax planning, IRS representation, multi-state filing, estimated tax payments, and year-round tax consulting for both individuals and businesses.
Absolutely. We serve businesses of all sizes — from sole proprietors and LLCs to S-corps. Our business services include corporate tax preparation, bookkeeping, payroll, financial reporting, and CFO advisory.
Yes! Unlike many tax preparers who only work January through April, we're available year-round for tax planning, bookkeeping, payroll, and ongoing financial guidance. Tax strategy isn't seasonal — it's a year-round process.
Generally, bring your prior year tax return, all income documents (W-2s, 1099s, K-1s), expense records, investment statements, and any tax notices you've received. We'll send you a detailed checklist and organizer when you schedule your appointment.
Yes. We provide full-service bookkeeping including bank reconciliation, financial statement preparation, accounts payable/receivable management, and QuickBooks setup and training. We can handle everything from basic monthly bookkeeping to comprehensive financial management.
The fastest way is to use our online scheduling page. You can also call our office directly or send us an email. We offer both in-person and virtual consultations, whichever you prefer.
Get In Touch
Let's Make Your Finances Simpler
Whether you need tax preparation, accounting, or ongoing financial guidance, we're here to help. Reach out today to start the conversation.
Phone
(360) 919-3300Office
Snohomish, Washington, United States
Business Hours
Mon–Fri: 8:00 AM – 6:00 PM
Schedule Your Consultation
Fill out the form below and we'll get back to you within 24 hours.

Let's Make Your Finances Simpler
Whether you need tax preparation, accounting, or ongoing financial guidance, we're here to help.

