Welcome to MCS, Inc.

MARQUIS Consulting Services, Inc., was started in 2000 and specializes in customized database applications. We design custom databases that are flexible and easy to maintain and manage. Our goal is to meet and satisfy the unique needs of the client’s business. Our user-friendly applications streamline manual processes and improve business productivity. Our database designs range from a single or multi-user desktop-based personal database for a small business to a company wide client/server installation.

Other services we offer are data scrubbing and web design. Contact us for a free quote today.


  • Inventory Management System
  • Order Entry System
  • Payroll Management System
  • Asset Management System
  • Quality Assurance System (Meets NELAC Requirements)
  • Document Tracking System
  • Survey Tracking System
  • Convert existing applications
  • Web Design
  • Data Scrubbing


  • Government Agency
  • Seminole County
  • Healthy Start Coalition of Brevard County, Inc.
  • Early Learning Coalition of Brevard County, Inc.
  • Early Learning Coalition of IRMO, Inc.
  • Paragon Document Research, Inc.
  • Liberty Aerospace
  • SecuraCOM GPS
  • Barnes and Company Certified Public Accountants
  • ...and many more!
Applications developed using Microsoft Access, SQL Server and Visual Basic.