A place to experience and enjoy business in The Bronx, NY. The Ultimate Office building in The Bronx. office space rental & shared office spaces, coworking, private offices, all in one building. The SINARTI Building in The Bronx was built to accommodate entrepreneurs, freelancers, startups & small businesses. Rent an private office space for yourself or a customized cluster of NYC office suites for your team in our inspiring quiet and professional service driven environment. We offer quick start up, flexible terms and personalized services.. Conference Rooms, Live Call Answering. Flex Lease Terms. Get Your Free Tour Now! Fully Furnished & Wired Prime Location Offices