Bookkeeping that gives you back your time.
Simple, clear, stress-free bookkeeping—so you can focus on running your business instead of worrying about the numbers.
Interested in working together?
Reach out to start a free introductory conversation.
🕻 206-437-0200
threemountainseattle@outlook.com
WHAT WE DO
Clear bookkeeping.
Real understanding.
No stress.
At Three Mountain Services, your books are maintained each month and reviewed by an in-house CFO and CPA—so you’re not just getting clean numbers, you’re getting confidence in them.
Every client benefits from hands-on bookkeeping and access to senior-level financial oversight.
How it works
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We categorize transactions and reconcile accounts each month.
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Your books are reviewed for accuracy and insight.
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You receive reconciled books plus a plain-English financial checkup that explains what’s changed, what to watch, and where you can improve.
SERVICES
Support that keeps your books organized, reliable, and easy to understand.
Ongoing transaction categorization and account reconciliations
Monthly financial checkups with clear, plain-English explanations
System setup and cleanup to get your books organized and reliable
Ongoing review of trends to support confident, data-informed decisions
Platforms: QuickBooks • Bill.com
Optional budgeting, projections, and CFO-level review available through our CPA partnership.
WHY WORK WITH US
Bookkeeping backed by CFO + CPA insight
Three Mountain Services is built around a collaborative partnership. Andrea provides the day-to-day bookkeeping, and clients can add CFO/CPA-level review and planning when they want deeper guidance—without hiring a full in-house finance team.
Andrea DosSantos
Founder & Bookkeeper
Andrea provides hands-on bookkeeping that keeps your financials accurate, organized, and up to date. She brings years of experience in bookkeeping and fiscal management, including managing a $1.2M annual budget, overseeing payroll and staffing allocations, and supporting organizations through growth and operational change.
What Andrea provides:
Monthly bookkeeping and reconciliations
Clean, reliable books you can trust
Plain-English financial checkups
Steve Dobrin
CFO-for-Hire & CPA Partner
Steve Dobrin is a CFO-for-hire and CPA with over 30 years of experience helping business owners build profitable, sustainable companies. During the COVID pandemic, he supported more than 70 businesses through uncertainty with budgeting, projections, and strategic guidance.
What Steve provides:
CPA/CFO-level review of your books
Budgets, forecasts, and projections
Strategic support for growth and decision-making
Learn more about Steve’s services:
PRICING AND HOW WE WORK
Straightforward, flexible, and transparent.
You can work with us at $75 per hour or through a custom monthly plan. Monthly pricing is based on your specific needs, including the number of accounts, transaction volume, and the current state of your books.
Each quarter, we reconcile hours worked with your monthly payments. If there’s a difference, we send a simple invoice due within 7 days.
CONTACT
Three Mountain Services
1126 NW 58th St
Seattle, WA 98107
Andrea DosSantos
🕻 206-437-0200 threemountainseattle@outlook.com