We handle the numbers so you can grow the business. Clear, simple bookkeeping for Connecticut small businesses — with two brothers who genuinely care about your numbers and your growth.
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Whether you're current or behind, pick what fits — you can change anytime.
A reliable monthly process that keeps your books accurate and tax-ready.
Behind on your books? We sort it out fast so you can file with confidence.
Don't need monthly reports? Get the same clean, tax-ready books every quarter.
Grab 15 minutes on Calendly. We'll talk through where your books stand today.
We'll hop on a call — phone or Zoom — and learn about your business and your books.
We'll send a personalized proposal tailored to your business.
Review everything and sign electronically. No paperwork, no printer, no hassle.
Receive onboarding instructions, then share bank access, QuickBooks login, and recent statements so we can get you set up.
We start keeping your books current every month, and you gain peace of mind.
Same essential bookkeeping, quarterly cadence.
Best for owners who don't need monthly reports but still want clean, tax-ready books.
Start with QuarterlySimple, accurate bookkeeping every month.
Best for freelancers and solo owners under $100k revenue.
Start with EssentialClear numbers that support growth.
Best for growing businesses with a few accounts to keep straight.
Choose ProfessionalWe work with owners across many fields — and we have a real soft spot for the trades and the food-and-beverage world, because we've worked in them ourselves.
Expenses categorized and reports kept clean so you can focus on the work, not the paperwork.
Streamlined financial services for restaurants, cafes, and hospitality businesses to stay on top of operations.
Retailers, salons, and local service businesses who'd rather not do books.
Don't see your town? Everything we do runs through QuickBooks Online, so we can work with businesses anywhere in Connecticut — and beyond.
"Simple, clean, and no back-and-forth. Black Mountain keeps our books in order every month so we can just focus on running the shop."
"Since Black Mountain took over our books, we finally have real visibility into our margins and cash flow. Our revenue has grown steadily this year, and having someone who understands both the numbers and the day-to-day of running a small business has made all the difference."
We started Black Mountain Bookkeeping after years in corporate finance and public accounting because we kept seeing small business owners buried in messy books and unclear numbers. Our goal is simple — clean numbers, clear answers, and more time for you to run your business.
Every month, your books are handled by us — reconciled, reviewed, and kept accurate. You'll always know where your money stands.
— Mon & Fisnik
Book a free 15-min call
We work in QuickBooks Online. If you're not on it yet, we'll help you get set up as part of onboarding — no separate project needed.
That's what our Cleanup & Catch-up service is for. We rebuild however many months or years you need, then move you onto a monthly plan once you're caught up.
We work with a range of small businesses, with particular experience in contractors and trades, coffee and food service, and retail and service-based businesses. If you're not sure we're a fit, ask on the call.
We'll spend 15 minutes understanding where your books stand today, then tell you plainly what it'll take to get them clean and which plan makes sense. No pressure to sign up on the spot.
We don't do tax filings, but our bookkeeping keeps you tax-ready every month. We also collaborate with CPAs in the area for clients who need their filing completed.
Bookkeeping gives you clarity and control over your finances. It helps you see where your money is going, understand what's driving profits, and make confident decisions for growth. With organized books, you can plan ahead, stay tax-ready, and run your business with less stress and more confidence.
Schedule a free consultation with us through our Calendly link.
Book your free consultationYes — we just require accountant access to your QuickBooks.
Book a free 15-minute call. We'll look at where you're at, tell you plainly what it'll take, and you decide. No pressure, no jargon — just a clear next step.
Pick a time that works — takes 15 minutes.
Prefer to type it out? We'll get back to you fast.