Complete Software Services has been serving northeastern Illinois businesses since 1987.  We provide business accounting software using OPEN SYSTEMS Accounting Software (OSAS) and TRAVERSE Accounting Software packages.  Providing everything the customer needs:  sales, installation, training, support and even custom programming and software modifications.  Complete Software Services is one of the area’s oldest OPEN SYSTEMS resellers.  In fact, our president has been working with OSAS for 30 years and has experience in all versions.

We are a full-service systems provider.  Complete Software Services not only provides accounting software for small to medium-sized businesses but also provides servers, workstations, printers and networking accessories.  The customer is never left “on their own”; CSS provides support for all the hardware and software we sell.  We provide installation, conversions and ongoing support.  We don’t provide hardware repair but we do work directly with the manufacturers and local repair companies.

Complete Software Services provides everything a small to medium-sized business needs.  From providing UNIX and Microsoft Windows based servers, Windows-based workstations, printers, networking equipment and cabling through accounting software and office automation software to all pre- and post-sales support.  We provide full training on every product we sell to ensure that every customer gets the most they can from their computer hardware and software.

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