For the Mid-Market Business:
A Fully Customizable Multi-Platform Accounting Systems Solution

OSAS (OPEN SYSTEMS Accounting Software) is used by thousands of medium-sized businesses as a complete accounting and business system solution that grows and changes with them. OSAS is fully customizable; in fact, the source code is provided.

“The company I work for chose Steve as our OSAS® support provider after we had an unsatisfactory experience with another provider. He is quite knowledgeable in OSAS; and accounting, responds ASAP to phone calls/emails, fully explains the steps necessary to correct the problem and follows up after work is completed, all done in a friendly and professional manner. I would highly recommend him.” – Rochelle Swoyer, Bookkeeper at A D Computer Corp

“Steve’s vast knowledge of the OSAS and TRAVERSE® accounting systems has been a very big asset in the operation of our manufacturing and distribution business.” – Glenna A. Matkowsky, Controller at Friedrich & Dimmock, Inc.

“There has not been one software issue that Steve did not resolve in more than a timely manner. I feel fortunate to have found him as my OPEN SYSTEMS® support person. He keeps on top of all updates and answers cries for help almost immediately. This kind of responsiveness and tenaciousness has saved my company thousands of dollars in time.” – Lisa Williams, Director of Finance/Human Resources at Triad Design Service, Inc.

Complex Inventory Requirements

If your business demands flexibility in handling a variety of unique inventory requirements, then OSAS could be right for you. The software serves distribution companies and excels in providing robust functionality in inventory control.

Contractor’s Job Costs

If you are a contractor that manages multiple complex jobs and require sophisticated job costing functionality, OSAS offers specific modules designed to meet your business needs.


OSAS can be installed on multiple operating systems and hardware platforms and offers over 20 modules, including:

  • General Ledger
  • Accounts Payable
  • Accounts Receivable
  • Inventory
  • Sales Order
  • Purchase Order
  • Payroll
  • Bank Reconciliation
  • Fixed Assets
  • Bill of Materials
  • Landed Cost
  • And many more

OSAS is brought to you by OPEN SYSTEMS, INC., a company that has been around for 30 years and that prides itself on customer service. MNV Software, Inc. is an OPEN SYSTEMS Partner and is certified in OSAS.

We can help you with OSAS in three ways:

  • Training: If you have a question about how to enter an unusual transaction, are experiencing something new in the software, have a new team member, or simply wonder if you’re using OSAS in the most productive way, we offer training on all versions and modules.
  • Support, troubleshooting, and customization: If you already have OSAS installed and have lost your support team or have a question that they cannot handle, we can help. We support all versions and modules of OSAS.
  • Upgrade: If you need to upgrade, install, or convert to OSAS, we can help.
  • Complete project management: We can also discuss with you whether OSAS is right for your business. We can sell, install, customize, convert, test, train, and implement OSAS for your business.

Complimentary Consultation

Contact us at at 610-270-1771 or email us at steveb@mnvsoftware.com to find out more about OSAS.


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