sustainable
bookkeeping solutions

BOOKKEEPING THAT HELPS
YOU MOVE FORWARD

Financial clarity and reliable support for
small businesses and mission-driven organizations.

Bookkeeping support built to help businesses
stay organized and grow.

Financial support for nonprofits and organizations creating impact.

Core Services

◉ Monthly Bookkeeping

◉ Financial Cleanup

◉ Reporting & Organization

◉ Advisory Support

Close-up of a person's hand using a calculator and pen, with a laptop and documents on a desk in an office environment.

Woman-Owned

Personalized service rooted in collaboration and care.

why green sky

Brooklyn-based

Proudly serving organizations throughout Brooklyn, the Tri-State area, and beyond.

Minority-owned

Community-focused and committed to inclusive business practices.

sustainable by design

Thoughtful systems that reduce complexity and improve efficiency


“They quickly restructureD our bookkeeping practices to make them more efficient
and well-organized.  They’re responsible, reliable, and have great integrity.  We could not recommend Them more highly, and, They’re from Brooklyn!”

-Arleen M, Gestalt & Associates

Meet Green Sky

Small enough to know your business.
Experienced enough to help it grow.

A woman with curly hair wearing a white blouse and beige pants, standing outdoors near a brick wall with a 'No Smoking' sign, on a sunny day with blurred greenery in the background.

The image contains a repeating pattern of the letter G in different shades of green and purple on a white background.

Ready to
control your finances?

Let's get started.

““
I have been the CEO of small corporation for thirty years.

I have had seven bookkeepers during that period. Most of them were good. Only two were excellent.
Janine is one of them.

JULIE DILLER, OHM STUDIO INC.