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Outsource Your Bookss Our professional bookkeeping and controller services serve start-ups, mid-sized businesses, and CPA firms. We offer personalized web-based record keeping using QuickBooks or alternative software. We can also support your business with traditional onsite accounting and bookkeeping. We're based in Long Island, New York and provide accounting services nationwide.

We'll solve your accounting challenges with strict confidentiality using 100% United States labor.
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Services
Outsource Your Books provides outsourced virtual and onsite accounting services for small and mid-sized growing businesses. We provide bookkeeping and accounting to help owners see their business results and make informed decisions based on real-time data. Our role is to handle all your accounting needs freeing you up to grow your business.
Our services begin with a free consultation followed by creating a customized service plan to understand your reporting and accounting needs. Once the initial set up phase is complete, record keeping becomes effortless and practically automatic. You provide your corporate financial information to OSYB, we process the data that you send and create your financials.
Our outsourced controller services are specifically tailored to meet the needs of our clients and the challenges that face their businesses. Our controllers work directly with each business owner to understand these challenges and work to solve each one. Our staff is comprised of managers, controllers, and CPA's with extensive experience in financial management and controller services.
For those CPAs and Firms who perform accounting & bookkeeping services and would prefer to spend their valuable time and staffing resources on more profitable services, OSYB can become your back office or work directly with your clients. We call them your clients, as they truly are. You never have to be concerned that we would provide tax or attest services for them for one reason: we do not offer these services.
Reviews (4)
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Jeffrey Kassinove
Jul 29, 2021
I have been using OSYB for about 3 years now. They are exceptional! Leslie is a gem to work with and she is highly dedicated to making sure your books are correct. She is accessible and brings tremendous value to the table. I don't feel like she is an outsourced bookkeeper but more like they are in the office with us. I highly recommend them!
Leigh Schuckman
May 18, 2021
I've had the pleasure of working with Leslie and the OSYB team for many years. One thing that always stood out was that they go above and beyond for their clients and people. They offer superb service, are extremely responsive and pay incredible attention to detail. I would highly encourage that if anyone is interested in outsourcing their bookkeeping that they should use them.
Diane Farino
Feb 04, 2021
We needed an experienced accountant on short notice. OSYB had the perfect candidate for us very quickly. We worked with Leslie in this process and she was very professional throughout. She ensured the candidate met our needs.
Tim Howe
Jan 15, 2021
I absolutely love working with OSYB. They facilitate the smooth running of our organization and have helped us iron out problems we didn't even know we had. Our partnership with OSYB has helped us make room for future growth, and given us an unprecedented level of insight into our finances. Over the course of our working relationship I have dealt with almost every staff member at OSYB and found them all professional, responsive, and incredibly knowledgeable.