Discover the leading accounting firms in Washington selected by our team of industry experts. Find the best provider for your business based on cost, expertise, case studies, team size, company leadership and more.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

DayCPA
VerifiedVerified by the DesignRush team for authenticity and credibility.Exceptional Accounting, Extraordinary Services
Since 1995, DayCPA has helped individuals, entrepreneurs, and businesses navigate tax, accounting, bookkeeping, and advisory needs. Our team delivers proactive tax planning, reliable compliance support, and practical financial guidance designed to support long-term success...
Top Services:
- Accounting
- Location
- Vancouver, Washington
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDayCPA Services
Data sourced from the agency's DesignRush profileInternational Taxpayers Technology Companies Startups E-Commerce Businesses Consultants Small Businesses Investors Foreign Nationals Working in the U.S.
DayCPA Reviews & Testimonials
Milena Odrinskaya's Review Sourced from Google
I always had a great experience with this company and certainly recommend them. Responses are quick and accurate and service is professional.
María José Ruiz's Review Sourced from Google
I had a great experience here! I’ll use them again. My accountant was Sara & she was fantastic. Thank you to the whole team!
Hailey Salierno's Review Sourced from Google
I have used this company for a number of years on my tax filings, and they have always been very quick to reply and provide service. Now that I also have my own business I am very excited to also use them for my business strategic planning. We have already been working together on this and I am looking forward to what next year will bring. The people on my team that have been helping me is Sergei and Marina.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Maris & Associates, CPA's
VerifiedVerified by the DesignRush team for authenticity and credibility.Exceptional CPA Services
Since 2000, Maris & Associates CPAs has provided tax, accounting, and advisory services to individuals and businesses. We help clients navigate complex tax matters, maintain compliance, improve financial visibility, and make informed decisions with confidence...
Top Services:
- Accounting
- Location
- Everett, Washington
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMaris & Associates, CPA's Services
Data sourced from the agency's DesignRush profileSmall Businesses Contractors Construction Companies Service Businesses Medical Practices Professional Firms Family-Owned Companies Entrepreneurs Foreign Nationals Working in the U.S High-Net-Worth Individuals
Maris & Associates, CPA's Reviews & Testimonials

Tax Preparation Review from Lorri Hagman
I reached out for help fixing some mistakes I had made using TurboTax for my 2024 return, as well as handling an updated 1040 form that arrived after my 2025 filing. The Maris team responded right away and efficiently submitted amended returns for both tax years. They even spotted a few tax credits I had completely overlooked, which was a great bonus even though I still owed for my earlier filing errors. Their pricing is very reasonable, and I definitely plan to have them manage my taxes from now on!

Tax Preparation Review from Andrew Pryor
The team was exceptionally helpful throughout the entire process! They took the time to carefully break down complex details for me, which really improved my overall understanding of my situation. Their patience, clarity, and dedicated service made a huge difference. I highly recommend working with them to anyone looking for expert support!

Tax Preparation Review from Tom Miller
Aziz and Sam provided outstanding service! I was several years behind on filing my tax returns, and they walked me step-by-step through gathering and organizing all the required documentation. I am so grateful to these gentlemen for their fast, patient, and prompt assistance in getting everything back on track!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsBusiness & Technology Solutions
Withum can be the new business advisor relationship you need to inspire innovation for your growth and success. Experience a fresh perspective on embracing what you’ve learned and refocusing your business strategy to thrive in an evolving, complex business environment. Whether you’re looking to strengthen...
Top Services:
- Accounting
- HR Outsourcing
- Cybersecurity
- IT Services
- Show more
- Location
- Seattle, Washington
- Number of Employees
- 1000 & Up
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsWithum Services
Data sourced from the agency's DesignRush profileFinance Industry Healthcare Industry Legal Industry Construction Industry Consumer Goods Industry
Withum Reviews & Testimonials
Jerome Wong's Review Sourced from Google
We have had the pleasure of working with Withum for our annual audit engagements and have been impressed by the high standard of service provided. The audit team has demonstrated exceptional professionalism, with auditors who are clearly experienced, knowledgeable, and efficient throughout the entire process.
Jonathan Hunt's Review Sourced from Google
The Withum team has been very responsive and met all of their deadlines. They have demonstrated their knowledge and understanding of our industry which has been beneficial with some of our more complicated transactions. We have appreciated their communications throughout the engagement and the ease of being able to connect with the partner, manager, and other staff members.
John Gilmer's Review Sourced from Google
The entire Withum Team, Audit, Tax and M&A Services, is great. We have been with them back to the OUM days. They have always partnered well with our company as it has evolved and our organization and processes have matured. They are incredibly responsive, professional and tuned in to our specific business requirements.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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