At 401kPlanAuditCPA, we provide professional 401(k) audit and compliance services for employers across Washington State — including Seattle, Spokane, Tacoma, Bellevue, and Vancouver.
Our licensed CPAs and ERISA specialists ensure your retirement plan complies with all Department of Labor (DOL) and IRS requirements — through a streamlined, secure, and cost-effective process.
401(k) Plan Audit Services in Washington

Your Trusted Washington 401(k) Audit and Compliance Partner
If your Washington company has 100 or more eligible participants, you are required under ERISA to complete an independent 401(k) plan audit each year.
We simplify the process by offering secure, remote audits and expert support — ensuring compliance, accuracy, and efficiency from start to finish.
Why Washington Businesses Need Specialized 401(k) Audit Support
ERISA and DOL Compliance Made Simple
Our team ensures your plan meets all federal ERISA and DOL regulations. We perform complete operational reviews, test transactions, and verify that participant data, payroll, and plan documents align with regulatory standards.
Industry Expertise for Washington Employers
From Seattle’s tech and financial firms to manufacturers in Spokane and construction companies in Tacoma, we understand Washington’s economy and tailor our audits to each industry’s unique requirements.
Regional Responsiveness and Local Insight
Our secure digital audit process allows us to work efficiently with clients across Washington, minimizing disruption while maintaining compliance and confidentiality.
Our Washington 401(k) Audit & Compliance Services

Independent 401(k) Plan Audits
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Full-scope and limited-scope ERISA audits
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Review of plan design, eligibility, contributions, loans, and distributions
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Verification of internal controls and fiduciary compliance
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Summary of findings and recommendations to strengthen plan operations
Form 5500 Preparation and Filing
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Accurate and timely preparation of Form 5500
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Compliance with DOL and IRS submission standards
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Guidance through filing extensions and error corrections


Plan Consulting and Compliance Advisory
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Review of plan operations and documentation
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Nondiscrimination testing and compliance corrections
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Fiduciary training and operational guidance
Washington-Focused Expertise
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Experience in key industries: technology, healthcare, manufacturing, education, construction, and logistics
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Local understanding of Washington’s business environment
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Responsive support aligned with the Pacific Time Zone

The Benefits of Working With Us for Washington Businesses

Specialized 401(k) Plan Expertise
Unlike general accounting firms, we focus on benefit plans.

Risk Reduction
We identify compliance gaps before they become costly issues.

Time & Cost Savings
Our streamlined process minimizes disruption for HR and finance teams.

Trusted Advisors
We don’t just audit—we guide and consult for long-term success.

Nationwide Service
Supporting businesses of all sizes and industries across the US.
Common Questions from Washington Plan Sponsors
Do Washington employers have special 401(k) audit requirements?
The requirements are federal under ERISA, but Washington companies — especially those in tech, manufacturing, or education — often have complex plan structures requiring detailed audits. Our experts handle every nuance.
When is the audit and Form 5500 deadline?
The standard filing deadline is seven months after your plan year-end, with a possible 2.5-month extension. We help Alabama employers stay on track with all required documentation.
How much does a 401(k) plan audit cost in Washington?
Our pricing depends on the size and complexity of your plan. We offer flat-rate pricing for transparency and budget predictability — with no hourly surprises.
Industries We Serve
We work with a diverse range of high-net-worth individuals and businesses across multiple industries, including:
Healthcare Organizations
Healthcare providers often face complex payroll structures, multiple benefit plans, and strict compliance requirements.
Technology Companies
Tech firms with fast-growing workforces often struggle with eligibility tracking and timely filings.
Manufacturing & Industrial Firms
Manufacturing companies often manage high employee turnover and complex contribution structures.
Professional Services Firms
Law firms, accounting firms, marketing agencies, and other service providers need reliable compliance support to avoid client-facing disruptions.
Schedule Your 401(k) Audit Consultation Today
Don’t leave compliance to chance. At 401(k) Plan Audit CPA, we specialize in 401(k) audits, Form 5500 preparation, and employee benefit plan consulting. Whether you’re preparing for your first audit or managing a large retirement plan, our CPAs provide the expertise and peace of mind you need.

