© 2019 by Main Street Software, Inc.     |      Created by ALP Marketing, LLC.

Main Street Software, Inc.

172 Main Street

Landisville, PA 17538

  • Facebook
  • Twitter
  • LinkedIn Social Icon
  • YouTube

Phone: 717-898-2946

Fax: 717-898-3087

Email: info@mssinc.com

Accounting Services


Main Street Software specializes in providing Accounting Solutions and Services with a focus on Sage 300, Sage Pro ERP, and ALERE Accounting and Manufacturing.


In 2014, we partnered with a group of Sage partners to form Tandem Technologies LLC. Nothing has changed in the way we handle accounting solutions and support. We have simply enhanced what we offer by expanding our product offerings through Tandem Technologies.


As a group we serve the needs of companies nationwide in the areas of business processes, operations and systems technology. With our team members averaging 23 years of experience working with small and medium-sized business in the commercial and industrial market places, we have provided solutions to solve the challenges businesses face today.

We offer:

  • Sage 300 ERP

  • Sage 300C

  • Sage CRM

  • Sage HRMS

  • Sage Fixed Assets

  • Sage Business Works

  • Alere Accounting

  • Alere Manufacturing

Crop Logo.png
Tandem Technologies, LLC


The Tandem Technologies LLC partners offer a wealth of services, support programs, and training options to their business clients – to keep you and your staff operating at maximum efficiency, regardless of the complexity of your systems.

For more information about Tandem Technologies, or to see all of our upcoming events, news and happenings, check out our website: www.tandemtechnologiesllc.com.