Bookkeeping excellence for over 15 years.

Mark’s Bookkeeping Services provides professional bookkeeping to any business or non for profit organization. Get started with a free consultation.

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New York’s Largest Dedicated Bookkeeping Firm

Our professional staff devotes itself to providing bookkeeping services in a timely, accurate manner,

showing respect and awareness of the confidentiality and individual needs of our clientele.

Inital Set-up and Clean up

Payroll Services

Annual 1099 and W-9 Processing

Monthly Financial Statements Preparation

Controller Services

Staff Training

MBS Works with a Wide Range of Clients

With the breadth of our experience, we can design, implement, and maintain bookkeeping systems that are tailor-made for any business. 

Bookkeeping for Businesses

Find out how we can help you get control of your business finances.

Bookkeeping for Not For Profits

Learn more about our discounted offers for not for profits.

Bookkeeping For Individuals

Get assistance with your personal financial records.

Bookkeeping Training and Consulting

We train everybody from individuals to company teams.

Bookkeeping for International Businesses

Initial setup of New Businesses in the US or expansion of your company to the US market.

Startups, Incubator Companies for Funding

We help you follow GAAP in preparation of getting your start-up funded.

Online Store & Shopping Cart Integration

Manage your online store with an accurate accounting system.

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Learn more about our services


Mark's Bookkeeping Services

19 W 21st Street, Suite 705
New York, NY 10010
Phone: 212 243 5757

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Why clients like MBS

I especially appreciate the flexibility. When a number of bookkeepers from the same firm are able to step in and handle my books, I know I’ll always have coverage.
PresidentRetail & Distribution