Davis Business Systems Ltd. is an accounting software development firm, established in 1982 with the objective of providing innovative and reliable accounting software solutions.

Originally specializing in custom software development for IBM minicomputers (S/34, S/36, AS/400) DBS developed accounting, distribution and manufacturing software for large corporations including Kraft Canada, Nabisco, and International Multifoods.

DBS now develops accounting, distribution, manufacturing, and time billing software for Windows.