Expert Bookkeeping for Sioux Falls Businesses
Your Sioux Falls business needs expert bookkeeping and payroll support. We bring harmony to your finances. Schedule a call today.
Our Services
Flexible bookkeeping for Sioux Falls. Pick your services. Control your costs.

Monthly Bookkeeping
Stay on top of your finances every month. We categorize transactions, reconcile bank accounts, and ensure your books are always accurate and up to date.

Bookkeeping Clean-Up
Behind on your books? We'll untangle the mess. Our team sorts through past transactions, fixes errors, and brings your financial records back to life.

Payroll Management
Payroll without the headache. We process payments, calculate taxes, and handle filings. Your team gets paid on time while you stay compliant.

1099 Preparation
Contractor payments made simple. We track payments throughout the year and prepare all required 1099 forms. Tax season becomes one less worry.

Accounts Payable
Never miss a payment or discount again. We manage vendor bills, schedule payments, and maintain healthy relationships with your suppliers.

Accounts Receivable
Get paid faster with less effort. We send invoices, track payments, and follow up on overdue accounts. Your cash flow stays strong.
Who We Serve
Sum Harmony Bookkeeping serves the hardworking business owners who make Sioux Falls thrive. From the bustling downtown district to the growing commercial areas along 41st Street, we understand the entrepreneurial spirit that drives South Dakota's largest city. Our team knows what it takes to succeed in this unique market where midwest values meet modern business innovation.
We specialize in Sioux Falls' cornerstone industries. Medical and dental practices near Sanford and Avera, restaurants bringing flavor to Phillips Avenue, construction crews building our neighborhoods, and professional firms downtown. Each faces distinct financial challenges, from patient billing to contractor expenses, and we've developed expertise in every area.
Whether you're a solo entrepreneur launching from your home office, a retail shop in the Empire Mall area, or a growing service company expanding across the region, we're here for you. We believe every Sioux Falls small business deserves professional bookkeeping support that lets owners focus on what they do best. Your success is our mission, no matter your size or stage.


Why Choose Us
Sioux Falls businesses trust us because we understand what makes this city tick. From the medical corridor to downtown financial firms, from Falls Park manufacturers to growing startups, we've helped companies across our community stay financially organized. We know the rhythms of South Dakota business, the seasonal flows that affect your cash, and the growth opportunities unique to our region.
Your bookkeeping should work the way you do. That's why we build solutions around your actual needs. Monthly bookkeeping paired with weekly payroll? Perfect. QuickBooks setup with ongoing support as you learn? We'll guide you. Need help managing 1099s for your contractors or keeping inventory straight? We handle it all. You get exactly what helps your business run smoothly, nothing more, nothing less.
We're invested in Sioux Falls success stories. When local businesses thrive, our whole community benefits. That's why we stay current on South Dakota tax requirements and business regulations while keeping our services affordable and accessible. At Sum Harmony Bookkeeping, we're more than number crunchers. We're your neighbors, committed to helping you build something lasting right here in Sioux Falls.
Ready for Clear Books and Real Growth?
Book a free call today. We'll show you how clear books lead to confident decisions.
