Resources | Payroll Processing Services | Human Resource Management Software Solutions | Trivantus, NH
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Social Security (Old Age, Survivors, and Disability Insurance)

  • 6.2% on $137,700 for 2020 (employee)
  • 6.2% on $137,700 for 2020 (employer)
  • 12.4% on $137,700 for 2020 (self-employed)

Medicare (Federal hospital insurance program)

  • 1.45% on all wages (employee & employer)
  • 0.90% additional on all wages above $200,000 (employee only)

401(k) and 403(b) limit

  • $19,500 for 2020, those age 50 and over can contribute up to $26,000

Simple IRA Limit

  • $13,500 for 2020 those age 50 and over can contribute up to $16,500

Federal Minimum Wage

  • $7.25 per hour effective 7/24/09

IRS Supplemental Tax Rate

  • 22% for federal income tax (FIT) on wages up to $1,000,000
  • 37% for federal income tax (FIT) on wages exceeding $1,000,000

Health Savings Account (HSA)

  • $3,550 for Single
  • $7,100for Family
  • $1,000 for those 55 and over

State Links


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.