Internal Revenue Service (IRS) - Collection Services Systems (CSS)

Prime Contract

  • Unissant directly supports the IRS Revenue Officers (RO) & Group Managers (GM) who oversee the Small Business/Self Employed business unit.
  • Unissant is responsible for the Operations and Maintenance (O&M) of the Integrated Collection System (ICS) and the ENTITY Case Management System.
  • Unissant provides coding support for legislative and critical code changes within the systems.
  • Unissant utilizes the IRS Enterprise Life Cycle (ELC) project management methodology as well as applicable IRS Internal Revenue Manual (IRM) software standards and guidelines.
  • Unissant also provide programming support to the Unified Work Requests (UWRs) system for updates when tax laws or policy/procedures changes occur.
Contact Unissant

12901 Worldgate Dr., Ste 600
Herndon, VA 20170-6014
Email: information@unissant.com
Phone: 703.889.8500
Fax: 703.889.8501

Unissant is an advanced data analytics and business transformation services provider with expertise in healthcare and health IT, finance, national security, and energy. The company delivers innovative solutions to assist government agencies and private sector businesses in tackling their biggest challenges. Founded in 2006, Unissant is a prime contractor on various government vehicles such as CIO-SP3, GSA PSS, GSA HealthIT SIN, and GSA 8(a) STARS II and is a CMMI Level 3, ISO 9001 & 27001 certified company headquartered in Herndon, Virginia with a satellite office in San Antonio, Texas. In March 2017, Unissant received the Government Project of the Year award by Small and Emerging Contractors Advisory Forum (SECAF).

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