We Are Certified.

Certified is the trusted industry leader and innovator in corporate relocation services. With an integrated approach, our proficient team ensures success by managing and executing the services of: Project Management, Architectural Glass Wall Distribution & Installation, New Furniture Distribution & Installation, Corporate Relocation, Change Management and Asset Management & Warehousing

About Certified.

“When SS&C moved to Times Square from four New York City locations, we hired experts to help us make the transition to the new space cost effective and smooth. Certified provided a core of services that proved to be extremely valuable: Furniture installation, Change Management and Relocation. They recommended and oversaw vendors for Technology support and for Liquidation. Certified’s professional and cost effective services allowed us at SS&C to go about our real business while they helped us make the transition into our new space.” – Jeff Macfarlan, Real Estate Project Manager, SS&C

Certified is one of the largest labor contractors in the New York City area with facilities, equipment, and in-house labor capabilities. For more than eight decades, Certified has been providing relocation, furniture delivery and installation, and warehousing services to the corporate community. Our portfolio includes large scale, multi-phased projects as well as day-to-day activities for long-term clients.


Superior performance, integrity, reliability and professionalism – these are the characteristics that make us the industry leader.

  • Michael Mariani

    Michael Mariani

    Managing Principal

  • Douglas Dayne

    Douglas Dayne


  • Thomas Downs

    Thomas Downs


  • Conrad McMillan

    Conrad McMillan


  • Robert Roman

    Robert Roman

    CFO & Principal

  • Anthony Mariani

    Anthony Mariani

    Senior Account Executive

  • Caroline Tunis

    Caroline Tunis

    Director Workplace Strategy

  • John Palladino

    John Palladino

    Operations Principal

Union Affiliations.

Certified is a member in good standing and signatory to all local trade unions involved with the delivery and installation of systems and furniture, as well as relocations. Our detailed and cost effective approach is supported by strong union relationships coupled with a seasoned workforce.

  • International Brotherhood of Teamsters, Local 814

  • District Council of Carpenters, New York and New Jersey

  • Laborers’ International Union, Local 79

  • Glazier Union, Local 1087

Industry Affiliations.

Active involvement in top industry organizations and associations keeps us up-to-speed with trends and best practices.

  • CoreNET

  • IFMA

  • Wall & Ceiling Association

  • Carpentry Industries of NY

  • Urban Green Council

  • Chamber of Commerce

Manufacturer Certifications.

Our team is focused on exceeding expectations. Our carpenters are experienced and work with major manufacturer brands and their individual specifications to ensure quick, efficient, and accurate configuration of furniture systems.

  • Steelcase

  • Herman Miller

  • Haworth

  • Knoll

  • Teknion

  • Vitra

  • Halcon

  • Bernhardt

  • Geiger

  • Datesweiser

  • Wall Goldfinger

  • Gunlocke