About ASI

ASI provides experienced resources to help you evaluate and deploy technology solutions to accelerate success.  You focus on doing what you know, and let ASI focus on delivering tools that truly benefit your businesses.  Let us know how we can help you.

Robust Service. Deep Relationships


Located in Columbia, South Carolina, Accounting Systems, Inc. (ASI) began in 1986. We began by helping companies purchase and implement accounting software. As our clientele expanded and their businesses grew, they looked to us to provide more complex systems. In over thirty years we have become much more than a software vendor.

At ASI, our focus is on your growing business. Our goal is to see your business thrive by providing the most effective mid-market software solution available. Does your business need accounting, distribution, ERP, or manufacturing software? What about e-Business solutions, website integration, or custom developed software?  Perhaps you are looking for hosted or cloud-based applications. Call today and find out what ASI can do for you!

Industries we serve include:

Aerospace and Defense

Business Services

Chemicals and Allied Products

Construction-Special Trade Contractors


Food and Dairy


Job Shops


Measuring, Analyzing and Controlling Instruments

Service Center and Repair Shops

Wholesale Trade – Durable and Nondurable Goods

Engineering, Accounting, Research, Management and Related Services

Electronic and Other Electrical Equipment and Components

Award Winning Customer Service

ASI participates in an annual Customer Loyalty Program in which our clients are asked to provide feedback on our service, support, and a number of other factors. The companies with the highest scores and overall customer satisfaction are recognized with the “Customer Excellence” award from Sage. We are thrilled to have been recognized as a winner for both the 2012 fiscal year at the 2013 Sage Summit and the 2013 fiscal year at the 2014 Sage Summit, Sage’s annual conference.   Read the ASI Press Release Customer Service Award. At Accounting Systems, Inc., we are dedicated to providing ongoing Sage software support for your accounting software. Whether you need support for Sage 100 (formerly MAS 90 and MAS 200) or Sage BusinessWorks, we are here to help. Our highly skilled team of software and technical experts is able to address your inquiry within minutes. If you need immediate assistance, please call us at (803) 252-6154.

Where to find us:

Headquartered in Columbia, South Carolina, we have a strong presence in the southeast. We work with many businesses in Columbia, Charleston, Greenville, and Spartanburg. Our team, however, is spread throughout North America. No matter where you are located, we have team members ready to help with software installation, start up, and support and maintenance whenever and wherever it is needed. At ASI, we really do account for everything. Contact us for more information about our accounting software services and other business software and communication solutions.

Contact us for more information about our accounting software services and other business software and communication solutions.

Don't Be Shy - Get In Touch

If you have questions, need software support, or just want to speak with a software consultant, click below to get in touch. We’d love to chat!