Enhanced Payroll & HR | Payroll & Human Resource Management Software Solutions | Trivantus, New Hampshire NH
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You have dedicated 100% of your energy and countless hours into building your business. There is no 9-to-5 when you’re the owner. When the regular workday is done, your attention turns to details like payroll, taxes, and employee-related concerns. Let Trivantus streamline all of these services for your business.


Take back your freedom!


As your human resources, payroll and benefits partner, Trivantus can help you with these overwhelming demands.


Build your own Enhanced Payroll & HR solution!



Address: 20 Market Street
Manchester, NH 03101
Mailing Address: PO Box 6655
Manchester, NH 03108-6655
Fax: 603-647-9911


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about us

Founded in 2003, Trivantus is a leader in payroll services, employee benefits and human resource administration. Our philosophy is based on employing relationships through excellent communication. We believe in true customer service and stand behind this commitment. Owned by the Gatsas family, Trivantus is no stranger to success. Michael Gatsas co-founded Staffing Network, a Professional Employer Organization which grew to be one of the largest employers in New England.