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Opus One® is a consulting and information technology firm based in Tucson, Arizona, founded in 1989. Opus One's corporate goal is to help our clients make the best use of information technology. We focus on efficient and effective solutions to problems of all sizes. Our specialities are in networking, electronic mail, and security.

From this home page, you can learn more about Opus One's consulting side of the house, which includes not only consulting, but training services, software products, writing services, and the Opus One Labs, an independent network product testing facility.

If you are interested in Internet products and services, we stopped accepting new customers in 2003, but we have some legacy technical support information to share as well as current network status.

Opus One staff members do a lot of writing, and you can select from our library of articles, presentations, and software we've written.