Mon-Thurs 8AM-5PM , Fri 8AM-2PM  |  605-342-5630  |  810 Quincy Street Rapid City, SD 57701

Accounting Services


The accounting services offered by Ketel Thorstenson includes: bookkeeping, the management of payroll, QuickBooks consulting, and tax reporting and compliance. These services are designed to sustain the everyday operational and accounting functions of businesses and organizations. The day-to-day details of running an operation can be exhausting. And you probably didn’t start your business to be consumed by numbers. But, you need accounting data to make strategic business decisions, and you need to understand what the data means. Accurate, timely and useful data allows you to run your business more efficiently and leads to better financial management. KTLLP is here to help.


In addition to alleviating the burden of everyday accounting tasks, KTLLP offers the best in technology and service to keep your business running smoothly and efficiently. Our accounting services allow you to free up management and staff resources, while entrusting these responsibilities to an established and experienced accounting firm. Don’t face these challenges alone. Strategy takes teamwork. Add the KTLLP Accounting Services professionals to your winning team.


If you’re feeling overwhelmed with your business’ accounting needs, you’re not alone. Many business owners stress over profit and loss statements and bank accounts. It doesn’t always make sense to hire an in-house staff member to manage and monitor every day accounting tasks. In an ever changing regulatory environment, staying up on all the laws and regulations related to sales, use, payroll tax, and respective reporting is becoming more difficult. Small-to-medium businesses and organizations often find themselves seeking out the services of outside entities to manage responsibilities, such as bookkeeping, and payroll. Outsourcing your bookkeeping and accounting functions to a CPA firm can sweep this worry right off of your plate.


General Ledger | maintenance of your General Ledger based on your particular business

Bank Statements | monthly reconciliation of your checkbook and bank statements to your General Ledger

Payroll Processing | preparation and transmission (various methods) of your payroll checks from your time records. This might include:

  • Making sure your 401(k), Simple Plans, and Cafeteria Plans are reported correctly to the IRS
  • Assisting with computing and paying 941 tax deposits on a semi-weekly or monthly basis
  • Assisting with the Electronic Filing Tax Payment System (EFTPS) for all taxes
  • Reporting new-hires to the State

Cash Management | issuing checks, make and record deposits, maintain periodic cash balances






W2s | annual compilation and printing of W2s for each employee. This might also include:

  • Year-end reporting of employee life insurance, auto usage, and stockholder health insurance
  • Compilation and issue to the IRS Magnetic Media
  • W2s for businesses

Payroll Tax Reporting | quarterly Form 941 (FICA & withholding), annual Form 940 (federal unemployment), quarterly South Dakota Unemployment Form

Form 1099 Reporting | payments of rent, interest, and amounts paid to non-employees for outside services.

Sales Tax & Excise Taxes | preparation of state Sales and Use Tax Returns and Excise Tax Returns.

Accounts Payable | check printing from client-provided invoices.

Accounts Receivable

Affordable Care Act Year-End Reporting

Quarterly & Year End Payroll Services | allow the CPAs and accounting professionals at KTLLP to assist with the following: W-3s, W-2s, 941s, 940s, State Unemployment (all states), 8027 (allocated tips), information necessary to complete 8846s (credit for employee tips).


  • Accessing payroll solutions from anywhere, at any time, with an Internet connection (safe, secure, encrypted, and password protected)
  • Going Paperless
  • Running Payroll Reports (available electronically)
  • Entering Remote Payroll Data (log in from work, home, or while traveling)
  • Printing Remote Payroll Checks (from anywhere with Internet access and a printer)
  • Managing Web Employee (gives your employee access to electronic copies of their payroll information, including W2s)

Click Here for E-Payroll

Payroll Processing | KTLLP can assist you in the preparation of payroll information, including paper checks, direct deposit payrolls, and pay cards. We can also assist in calculating and paying 941 deposits, tracking and calculating allocated tips, and ensuring correct overtime rates for tipped employees or employees with commissions and/or bonuses. Our payroll processing services also cover Cafeteria Plans, Simple/401(k) Deductions, Child Support Payments/Garnishments, New HIRE Act Reporting, and Workers Compensation Audit Assistance.

After-the-Fact Payroll Processing | this accounting service includes calculation and payment of payroll taxes and the management of payroll forms.

Pay Cards | this convenient, automatic, and flexible system issues paychecks in real time using prepaid debit cards. It’s the most convenient way to pay people today, making direct deposit easy, eliminating paper checks, and allowing employees to use their debit cards at ATMs and merchants.

Our Experience, Skills & Expertise.

Tired of being behind on your bookkeeping? Trust the experts. Keeping accurate and timely financial records is key to your business’ success. From start-ups to established corporations, Ketel Thorstenson can help with your comprehensive accounting needs…from bookkeeping to payroll, QuickBooks consulting to tax reporting and compliance.


  • Talk with a KTLLP accounting services professional about the best strategy for your situation.
  • We listen to your needs and goals and help plan accordingly.








There’s no need to be bogged down by manual accounting processes and delayed financial information. As a KTLLP client, you can rest easy knowing that a knowledgeable and experienced accounting services team is in your corner. WHY?
  • We listen to your needs and goals and help you plan accordingly
  • Because successful client relationships are built on more than codes, legislation, and paperwork
  • We’re here to be your “Friends for Life“

Contact us about Accounting Services

Jennifer Konvalin

(605) 718-3578
Rapid City

Danielle Stovall

(307) 685-4433

Jeanne Schneider

Rapid City

Sarah Davis

Rapid City

Terri Michaels

(307) 685-4433

online payments

If you would like to pay an invoice online with a credit card click on the Pay Now button.  Pay_Now_button

You also have the option to pay your invoice electronically via ACH (bank to bank transfer) at no cost to you by completing the ACH form and returning it to your accountant.


© 2019 Ketel Thorstenson. All Rights Reserved.