About Us

Lexicon Systems is a recognized expert in mobile application and business system development. We have authored the best-selling Xamarin book on Amazon entitled Xamarin Mobile Application Development and build award-winning mobile apps using Azure, IBM Mobile, and Xamarin. Founded in 1999, we consult to firms who are developing apps and building up their own development teams.

Projects include a cross-platform IoT app for Thermo Fisher Scientific which won a W3, a Davey award, and was a finalist for a Xammy award, and a Xamarin.Forms drone app featured in MSDN Magazine.

Clients include Microsoft, Fidelity Investments, Computerworld Magazine, and a number of successful startups such as OrthoBullets.

Founder and thought leader Dan Hermes, Xamarin MVP, Microsoft Regional Director and MVP, IBM Champion, and author of two Apress books on Xamarin, offers guidance to developers and business leaders at user groups, workshops, and national conferences.

Our Boston-based firm helps companies enact their digital transformation, build the apps they dream, and harness their user devices to achieve successful business outcomes.