Serving businesses across all 50 states
No long-term contracts
CPA-backed team
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We don’t just handle taxes. We provide structured, proactive tax planning strategies aligned with your financial data and business decisions.
Businesses that need reliable and organized financial records
Growing businesses that need CFO-level expertise without hiring a full-time CFO.
Business owners looking to make proactive tax decisions rather than waiting until tax season.
South Dakota has no personal or corporate income tax, so planning focuses on federal tax, entity choice and sales tax on services. We also review obligations in other states where you sell or operate.
Understand your potential tax liability before the deadline and make informed decisions throughout the year.
Develop tax strategies around your revenue, expenses, business structure, investments, and growth plans.
Get ongoing guidance instead of scrambling to make financial decisions at the end of the year.
South Dakota has no personal or corporate income tax, which makes it attractive for business owners in Sioux Falls, Rapid City, Aberdeen and Brookings. However, its sales tax applies to many services, and South Dakota v. Wayfair reshaped online sales tax nationwide. NexusWorks helps South Dakota businesses stay compliant and plan ahead.

We work with South Dakota agriculture businesses, financial services and trust companies, healthcare practices, tourism operators and e-commerce sellers in Sioux Falls and Rapid City.
Strategic accounting, bookkeeping, tax planning, and Fractional CFO support for law firms, consulting firms, agencies, and other professional service businesses.
Accounting, tax planning, cash flow management, and financial reporting designed for real estate investors, developers, and property businesses.
Stay organized across multiple states with coordinated bookkeeping, tax compliance, financial reporting, and strategic CFO support.
Scalable bookkeeping, tax, cash flow, profitability, and Fractional CFO services built for eCommerce companies and digital-first businesses.
Specialized bookkeeping, tax planning, financial reporting, and CFO advisory services for healthcare practices and medical professionals.
Tax planning, entity structuring, cash flow management and financial reporting for high-income business owners and professionals who want to keep more of what they earn.
Bookkeeping, tax planning, tax compliance, and Fractional CFO services work together under one team, giving you a complete financial solution without the need to coordinate multiple providers.
With CPA led expertise and proactive financial guidance, we help you make informed decisions about taxes, cash flow, profitability, and long term business growth.
Our team understands the financial complexities of real estate, professional firms, eCommerce and digital businesses, healthcare practices, multi state businesses, high income business owners, and high net worth individuals.
We go beyond recording transactions and filing tax returns. We help you understand what your numbers mean, plan ahead, identify opportunities, and make confident financial decisions.
We serve clients nationwide through secure technology and modern accounting systems, providing responsive and personalized financial support wherever your business operates.
Or Call Us Today At +1 310-810-1790
NexusWorks supports businesses throughout the state, from major cities to smaller communities. Below are some of the cities, landmarks, schools and organizations in the areas we serve. Questions? Call us at +1 310-810-1790.
Get the bookkeeping, CPA, tax, and Fractional CFO expertise you need to make better financial decisions and build a stronger business.

NexusWorks provides integrated financial support for businesses, including bookkeeping, tax planning, tax compliance, financial reporting, and Fractional CFO services. Its approach connects these functions so business owners can work with more consistent financial information when making operational and growth decisions. Businesses can use bookkeeping services for ongoing records, reconciliations, and financial reporting.
Yes. A South Dakota business that operates across state lines may still have tax and filing obligations in other jurisdictions depending on its activities. NexusWorks provides tax filing and compliance services that include business returns, multi-state filings, amendments, and IRS notice handling. The specific requirements depend on the company’s structure and activities.
No. South Dakota has no personal or corporate income tax, though banks and financial institutions pay a bank franchise tax. Owners selling or operating in other states may still owe tax there. We review your multi-state obligations.
Many are. South Dakota’s sales tax applies broadly to services as well as goods, and cities add municipal sales taxes. We help you determine what is taxable and track it in your bookkeeping.
The 2018 Supreme Court decision allowed states to require remote sellers to collect sales tax based on economic nexus. Most states now have thresholds. We help e-commerce sellers track nexus and file correctly. See our e-commerce financial systems.