Accounting for Contractors & Service Businesses

We help contractors, trades, and service-based businesses stay organized, know their numbers, and make confident financial decisions.

Serving Olympia & South Sound Area

Monthly
Bookkeeping

Financial
Reports

Catch-Up &
Cleanup

Service Business
Specialist

✓ No Commitment. Just a Conversation.

Why Choose Big Mountain Financial

Contractor Expertise

We specialize in contractors and the trades, with an understanding of the day-to-day challenges that come with running a job.

Clear & Practical

We make sense of your numbers so you can make confident decisions for your business.

Stay Tax Ready

Accurate books and proactive planning help you avoid surprises and keep more of your money.

Personalized Service

You work hard. We provide bookkeeping that fits your business and is always easy to reach.

How We Can Help

Monthly Bookkeeping

Stay organized and informed year-round with accurate, up-to-date books.

QuickBooks Cleanup & Catch-Up

Get overdue books current, correct errors, and move forward with confidence.

Job Costing & Reporting

See which jobs are profitable, where money is going, and where you can improve.

Tax Preparation

Keep your records organized and prepare accurate returns with fewer year-end surprises.

About Robbie

Hi, I'm Robbie Oyama, the owner of Big Mountain Financial.I help contractors, trades, and service-based businesses throughout Olympia and the South Sound stay organized with accurate bookkeeping, cleanup projects, and monthly financial reporting.I believe bookkeeping should do more than keep your taxes in order—it should help you understand your business, improve profitability, and make confident decisions.When you work with Big Mountain Financial, you'll work directly with me. My goal is to provide reliable bookkeeping and clear financial information so you can spend less time worrying about your books and more time growing your business.Ready to get your bookkeeping under control? Contact me below for a free consultation.

What Our Clients Say & Case Studies

I knew from the beginning that I was falling behind on my books. Not only did Robbie get me caught up in my bookkeeping, but he also corrected errors that I made in the last year. Now that I have accurate data, Robbie is helping me analyze and forecast my financial position so I can make better business decisions when making bids on jobs. I appreciate everything he has done for my business.

Adam — ADU Contractor

Increasing Profit Margins

Client Industry: Logistics

Problems Faced

  • No books in place
  • Behind on paying taxes
  • Unsure how to bid profitable jobs
  • No clear understanding of operating costs

Methods Implemented

  • Built a bookkeeping system in QuickBooks
  • Calculated cost and target revenue per mile
  • Created budgeting and forecasting tools

Results

  • Next month’s net profit increased by 180.62%
  • Clear plan for paying bills and supporting the owner’s family

Managing Costs

Client Industry: General Contractor

Problems Faced

  • No books in place
  • Hit with a large state tax bill
  • Unclear job margins
  • Missed deductions due to poor records

Methods Implemented

  • Built a bookkeeping system in QuickBooks
  • Implemented job-costing workflows
  • Created budgeting and forecasting tools

Results

  • Clear visibility into business performance
  • Systems to prevent unpaid bills
  • Better collaboration and stronger tax readiness

Ready to Get Your Books in Order?

Let's simplify your bookkeeping so you can focus on what you do best.