At 401kPlanAuditCPA, we offer professional 401(k) audit and compliance services for businesses across Michigan, including Detroit, Grand Rapids, Lansing, Ann Arbor, and Flint.
Our licensed CPAs and ERISA specialists ensure your retirement plan meets Department of Labor (DOL) and IRS compliance requirements — efficiently, accurately, and affordably.
401(k) Plan Audit Services in Michigan

Your Trusted Michigan 401(k) Audit and Compliance Partner
If your Michigan company has 100 or more eligible participants, ERISA requires an independent 401(k) plan audit.
We make the process easy and worry-free, helping employers stay compliant while reducing administrative stress and risk.
Why Michigan 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 Michigan Employers
From Detroit’s automotive sector to manufacturing and healthcare in Grand Rapids and education in Ann Arbor, we understand Michigan’s business landscape and tailor our services accordingly.
Regional Responsiveness and Local Insight
We use a secure, cloud-based system to perform remote audits efficiently for businesses across Michigan — saving you time and resources while maintaining the highest standards of accuracy.
Our Michigan 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
Michigan-Focused Expertise
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Experience across Michigan’s key industries: manufacturing, healthcare, logistics, education, and professional services
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Local knowledge of multi-location and union-based plans
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Responsive communication aligned to Eastern Time

The Benefits of Working With Us for Michigan 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 Michigan Plan Sponsors
Are there special 401(k) audit requirements for Michigan businesses?
The requirements are federal under ERISA, but Michigan’s mix of manufacturing and multi-location employers often creates unique administrative complexities that our team is well-equipped to handle.
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 Michigan?
Audit costs depend on plan size and complexity. We provide clear flat-rate pricing for predictability and transparency.
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.

