Boutique business consulting for service companies ready to stop guessing and start growing.
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Real reviews from real business owners we've worked with.
"As a small business owner, finding a professional who is a true partner is rare. I struck gold with Sara at JNB services! She has been an absolute game-changer for my business."
"So happy my client added Sara to the team! From our first meeting, I knew she'd be a game changer. We're finally finding direction."
"Nothing but good things from JNB. Sara has been a massive help with tax prep and bookkeeping. Has gone above and beyond."
We're not a big firm. We're a small team that goes deep with a handful of clients who are serious about getting their business right.
From cleaning up the mess to keeping it clean. We work in whatever you're using—QuickBooks, FreshBooks, Zoho, you name it.
Make every dollar work harder. We dig into your numbers to find profit leaks, fix your pricing, and model decisions before you make them.
Get everyone pulling in the same direction. We align your team around clear goals, build systems that scale, and create accountability that sticks.
Numbers don't mean anything without the right people and processes to execute. We help you build both.
Custom tools that solve your actual problems. Marketing that makes sense. Analytics you'll actually use.
Specialized accounting for Amazon sellers and wholesalers. We mine your data to reveal true product margins and profit leaks.
We measure our success by yours. Here's what happens when clarity meets action.
You're great at your trade. That's why you started your business. But being the best electrician, consultant, or security tech doesn't automatically make you great at running a company - and nobody teaches you that part.
Most clients come to me with a "books problem" and discover it goes a lot deeper. Balanced books don't tell you if your business is healthy - they just tell you the math checks out. One client thought she was doing fine because her books were clean. She was also bleeding $4,000 a month in unbilled time and had no idea.
Bookkeeping tells you what happened. We show you why it happened - and what to do next.
JNB started because I kept meeting business owners who were intimidated by their own numbers - and they had no reason to be. They just needed someone to explain things in a way that made sense.
Some clients need a full financial transformation. Some just need someone to clean up QuickBooks so they can file taxes. I do both.
What I don't do is make you feel bad for not knowing this stuff already. Numbers didn't come naturally to me either - I figured it out because I had to, and now I help other people do the same.
Not ready for consulting? Start with our training materials. Real-world lessons from real business problems—no fluff, no theory that doesn't work in practice.
Browse Training MaterialsNo pressure, no pitch. Just a conversation about where you are and where you want to go.
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