Outsourced Small Business Bookkeeping
Professional Bookkeeping Firm
Bookkeeping
The real separator between good and great bookkeeping: the strategy and deep thought that powers it all.
Our large team of professionals integrates into your organization not just as bookkeepers, but as strategic financial growth partners.
Expanding the impact
Our Bookkeeping Philosophy
Many bookkeeping firms compete on accuracy, timeliness, or QuickBooks proficiency.
Great bookkeeping produces decision-ready data, is consistent month to month, and integrates cleanly with tax, payroll, and advisory.
- Large-team redundancy
- Future-focused work
- Much more than keeping books clean
Dedicated team members
Every client gets a dedicated CFO / controller and dedicated accountant. You’re not just another number to us.
Regular Meetings Included
Monthly financial reports and quarterly strategy sessions are included for all our clients, big or small.
Number Techies
We’re leading the charge in accounting & finance software. We’ll have your finance tech stack efficient and effective.
US-Based Office
We’re based near our nation’s capital, just south of beautiful Washington, DC.
Our people
We're proud of our team.
As a Washington DC bookkeeping firm, we not only provide our clients with expert accounting and bookkeeping services, but also have fun together and support our local community.
Whether you’re looking for bookkeeping services in DC or beyond, we’d love to be a part of your community too.







Testimonials
Rave reviews from companies like yours.
Meaningful & timely
By partnering with Bay Business Group, they have streamlined my accounting operating procedure, accounting operation, and given me meaningful & timely monthly reporting. This in return gives me quicker problems resolutions as they arrive. Bay Business Group has been proactively suggesting improvement to accounting reporting, interpretation of accounting reports and improvement to the accounting system. Giving me a way to measure the performance of my business and more time to work and tweet improvement to my business operation and product lines.

Jerry Michalowski
"go to" folks!!
Bay Business has done all of our accounting for almost 20 years. They are a wonderful company to deal with. They are responsive, extremely helpful and friendly and I would add, never make us feel like we are unreasonable when we make special requests. We deal mostly with Mary and Valerie and they are great “go to” folks!!

Jack
helpful & responsive
Bay Business Group have been providing service to us for 10 years, and they have always been helpful and responsive. I’d highly recommend them to any small business.

Tom Wallace
insightful advice
I have worked with the team at Bay Business Group for years. They have a total understanding of the needs of small businesses. I’ve always received insightful advice. 100% recommend.

Dave
True partner

Diane Fabian
Highly recommend
Highly recommend their services. We have been using Bay Biz accounting and Bookkeeping and tax filing services for more than 10 years as a government contractor and have undergone a DCAA audit for our accounting system with no findings. We have grown and made it on the Inc. 5000 list of fastest growing companies in the US four years in a row and have retained their services through our growing journey. Mary is very knowledgeable and responsive with everything government contracting and is up to date with the latest rules and regulations and compliance with tax law. Jackie has been a pleasure to work with to keep our Bookkeeping up to date. They are very professional and responsive and dependable.

Amina Elgouacem
No Surprises
Our Bookkeeping Pricing
We don’t hide our bookkeeping pricing behind a sales call.
Check out real pricing that real clients are paying for our all-inclusive services.