At International Software Systems...

headquartered in Orange County, California, we are recognized for our understanding of Microsoft Dynamics™ GP and Microsoft 365 for Business products and related integrated business applications for Supply Chain Management, Financial Management, EDI, and Job Cost.

Our Services

  • Professional Consulting

    Business and technology is always evolving. Staying current is a daunting task for many companies. Our extensive technical and accounting background compliments our understanding of the most current technologies in business so we can provide highly competitive Professional Consulting Services.

    As your system grows we provide ongoing consultation services to keep you informed of the latest technologies and changes in the software. In that way, we can make relevant recommendations to ensure that you are utilizing your Microsoft Dynamics™ GP and/or Office 365 for Business to its fullest capabilities.

  • Implementation & Training

    We offer complete customization of your Microsoft Dynamics™ GP and/or Office 365 for Business through proven implementation methodologies. Your system will be configured to fit your business needs and processes.

    Once the system is in place, we offer on-site personalized training, as well as remote training and classes the internet. Training is also available in Spanish and French.

  • Technical Support

    When you need technical support, we're a phone call or mouse click away. Using the most current technologies, we can troubleshoot any issue at hand. Finding solutions is something we do well and something you can count on.

    To access remote support while on a service call, click here

  • Solution Sales

    Interested in small business software solutions or do you need a wholesale distribution software reseller? We are the company for you. Find out how the Microsoft Dynamics™ GP and/or Office 365 for Business software can solve all these problems and more.

    Give us a call today at (714) 379-0545 to find out how we can help your company.

Satisfied Clients

Intlsoftwaresystems logo

Lee Ann M. Engel

Controller, Design Tec, Inc.

“Our company was in the middle of the transition to Great Plains when the outside software service company we were using walked away from the job.  We called International Software Systems; Laura made the transition seamless. …”

Intlsoftwaresystems logo

Suzanne J. Seibold

VP, Fidelity National Title

“… it is nice to have someone who is able to communicate and teach in a calm, efficient manner….”

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Kevin Moradian

CFO, Fire Sprinkler Systems, Inc.

“… Great Plains, coupled with the ingenuity of International Software Systems, delivered a product that exceeded our expectation in both conversion and day-to-day functionality…”

Intlsoftwaresystems logo

Robert Ades

Controller, Fish Co.

“… International Software Systems implemented a software upgrade that was so smooth that we did not experience any business interruption.”

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Cheryl Jordan   

Controller, Omega Cinema Props, Inc.

“… Best of all, Laura Peters made the installation process a breeze. She is readily accessible and checks on our progress frequently…”

About Us

Since 1992, International Software Systems has sold, implemented, and supported technologies that serve small-to mid-market U.S. and international clients.

Our list of satisfied clients who come to us for distribution, service, EDI, job costing, and other services continues to grow as does our staff, a team of dedicated consultants with extensive training, experience, and certification on all of the products International Software Systems offers.

Contact us today!

Professional Experience

Laura Peters

Laura Peters has been an entrepreneur for over 40 years and is responsible for the creation of 3 successful businesses: 2 bookkeeping businesses she sold and International Software Systems.

Her skills include, but are not limited to:

  • Accounting Expertise
  • Business Administration (MBA)
  • Certification for Great Plains, SQL Server, and MCP

Contact Laura today and
put her skills to work for you

Volunteer Experience

Laura Peters is, and has been, an active volunteer -- both locally and globally -- within the non-profit sector. Her volunteerism and advocacy focuses on the rights and empowerment of all women. To accomplish this she utilizes her leadership and social mastery:

  • through local, district, and international organization board service
  • through mentoring women and girls
  • by seeking and accepting leadership and member positions within various and diverse local and international committees

Laura is adept at using the appropriate skills for every project she undertakes. She will bring these talents and proficiencies to your project.

Where We Excel

Microsoft Dynamics™ GP & Office 365 for Business


Financial and Supply Chain Management




Volunteer Skillsets


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Our Information

International Software Systems
P.O. Box 309
Sunset Beach, CA 90742
Office: 714-379-0545
Mobile: 714-264-4250