At 401kPlanAuditCPA, we offer expert 401(k) audit and compliance services for employers across South Dakota — including Sioux Falls, Rapid City, Aberdeen, Brookings, and Watertown.
Our certified CPAs and ERISA professionals ensure your retirement plan fully complies with Department of Labor (DOL) and IRS regulations, providing a seamless, efficient, and cost-effective audit process.
401(k) Plan Audit Services in South Dakota
Your Trusted South Dakota 401(k) Audit and Compliance Partner
If your South Dakota company has 100 or more eligible participants, an independent 401(k) plan audit is required under ERISA.
We make that process easy and transparent — combining specialized expertise, secure digital tools, and personalized attention to ensure your plan meets all federal standards.
Why South Dakota 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 South Dakota Employers
From financial institutions in Sioux Falls to manufacturers in Rapid City and universities in Brookings, we understand South Dakota’s diverse industries and adapt our process to fit your organization.
Regional Responsiveness and Local Insight
Our secure cloud-based systems allow us to perform remote 401(k) audits for South Dakota employers statewide — minimizing disruption while maintaining strict confidentiality and accuracy.
Our South Dakota 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
South Dakota-Focused Expertise
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Serving industries such as banking, healthcare, education, agriculture, and manufacturing
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Experience with local employers and statewide operations
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Dedicated communication aligned with the Central Time Zone
The Benefits of Working With Us for South Dakota 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 South Dakota Plan Sponsors
Are there unique 401(k) audit requirements for South Dakota businesses?
The requirements are federal under ERISA, but South Dakota employers often manage multi-entity or cross-state plans that require customized coordination — which our audit process handles efficiently.
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 South Dakota?
Audit costs vary based on plan size and complexity. We offer flat-rate pricing with full transparency and no hidden fees.
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.
