About The Company

Transaction Design, Inc. (TDI) is a consulting firm specializing in computer security and capacity and performance management studies. Formed in 1990, Transaction Design assists corporate clients worldwide by providing security software and  information for managing their critical systems for trouble-free, uninterrupted processing.

TDI's professional staff has specialized expertise in the Stratus VOS and HP NonStop (Tandem) architectures.  We have been key contributors to implementations in wholesale and retail banking, retail payments and loyalty systems, manufacturing and distribution, and the securities industry. We work with the popular mid-range architectures, including Windows and UNIX.

TDI's consulting practice includes designing and implementing benchmark and stress tests, as well as failure and recovery testing.  We also design and implement security controls for Stratus VOS systems.

TDI has clients across the U.S., as well as in Europe, Asia, the Middle East, and South America. Our client list includes:

  • International, national, and regional card processors, switches, and EBT processors
  • International, national, and regional banks
  • Stock exchanges
  • Grocery and pharmacy chains
  • A major pharmaceutical manufacturer
  • Insurance claims processors
  • Travel-industry reservations processors
  • Nationwide retailers
  • Major distributors

TDI is located in the San Francisco Bay Area (California, USA), Pacific time zone.  We observe the U.S. Federal Reserve holidays.