About Decision Models

Charles Williams founded Decision Models in 1996.

The company was formed to exploit many years of both management and professional experience of software development, modelling, forecasting, marketing, business planning, product management and new product introduction.

Our objective is to provide effective consultancy, solutions and tools to assist our Clients with their business decisions.

Our success is based on our ability to understand the needs and priorities of the business from the perspective of both management and end-user professionals. Based on that understanding we use our world-class Excel expertise to deliver effective solutions that give a rapid return on investment.

Decision Models provides:

  • Comprehensive Consultancy and Modelling Services based on Microsoft® Excel and Access.
  • Effective and easy-to-use solutions based on custom software development exploiting Excel, Access, Visual Basic® and Relational Database access.
  • Software products and tools for Excel users.

Use our specialist knowledge for solutions in:

  • Decision Support Systems.
  • Business Case Development.
  • Business Planning.
  • Database Solutions.
  • Market and Product/Service Forecasting.
  • Market Planning and Segmentation.
  • Market Sizing.
  • Product/Service Introduction.
  • Product/Service Planning and Management.
  • Brand Planning and Management.
  • Pricing Support.
  • Sales Support.
  • Software Development.
  • Microsoft® Excel , Access and Relational Databases.

We work with clients in many industries.

Recent projects include work in the following industries:

  • Information Technology.
  • Telecommunications.
  • Logistics.

Prior to founding Decision Models Charles Williams worked for IBM in Europe and the US in:

  • Decision Support Systems Software Development, Business and Planning Management.
  • European Software Forecasting Management.
  • PC Product Management and Opportunity Analysis.
  • Sales Incentive Planning and Modelling.
  • Product Marketing and Planning, Decision Support and End-User Computing.
  • Operations Research Analysis and Programming.
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