Seriatim, which is Latin for “in a series,” is a New York-based company that provides organization and inventory management solutions for businesses and individuals in transition. We specialize in creating a detailed processes and workflows that create harmony, and help prioritize your needs in a simple and productive manner.

Since 1999 our team of professional organizers, led by Sonya Weisshappel, have specialized in creating harmony amidst a variety of transitions, including the birth of a child, death of a loved one, an overseas move, corporate merger, office relocation, and every other life event that can create stress and disorganization. We understand how difficult transitions and organization can be; our mission is to serve as your support system through the many stages of these processes. Whether we're implementing a digital inventory, assisting with mergers, creating baby “zones” for new moms, assisting a widow, unpacking a five-bedroom home, or coordinating a cross country or local move, we help people move forward in a supported, positive direction. Seriatim can handle any project — big or small — with the expertise, sensitivity and professionalism necessary to get the job done.