Your Business,
Your Finances,
Done Right.

Founder-first bookkeeping that gives you clarity and confidence to grow.

For Service Providers, E-Commerce Brands, and Nonprofits

Clients who add CFO support report 20–30% average revenue growth in their first year.

84% of clients say they understand their finances more clearly within three months.

Clients save 10–15 hours monthly by handing off their books.

Our team consistently delivers 99%+ accuracy, so your financials are reliable, every single time.

Find the Right Level of Support for Your Business

From quarterly or monthly tracking to clean-ups, we’ve got you covered

Quarterly Bookkeeping

Starting at $300/month
Best for businesses under $250k/year

  • Monthly Transaction Categorization

  • Monthly Reconciliations

  • Quarterly Reports

  • Unlimited Email Support

  • One 30-minute call each quarter

Monthly Bookkeeping

Starting at $595/month
Best for businesses between $250k-2M/year

  • Weekly Transaction Categorization

  • Monthly Reconciliations

  • Monthly Reports

  • Unlimited Email Support

  • One 30-minute call each month

Operation + Fractional CFO Add-Ons

Available add-ons for quarterly + monthly bookkeeping clients.

Includes receipt management, payroll, contractor pay, sales tax filing, budgeting, forecasting, cash flow management, and more.

Behind on Bookkeeping? We’ll Catch You Up.

Whether it’s a few months or a few years, we’ll get you CPA-ready fast—with clean, organized books and zero judgment.

Founder First Bookkeeping

Your books are built first and foremost for you. They are structured to reflect how you actually run and understand your business while still meeting every IRS requirement. We work with you to make sure your financials truly make sense, explaining what matters and answering your questions so you can fully understand and use your numbers.

Why Work With Us

Trusted by 100+ Founders

Since 2016, we’ve delivered clean books, clear reports, and CPA-ready numbers. For founders who don’t have time for financial guesswork.

Experts in Multi-Platform Bookkeeping

Shopify, Amazon, Stripe, Kajabi…whatever runs your business, we track it properly and tie it all together. No gaps. No mess.

Fast, Clear, No-BS Communication

We respond quickly, explain clearly, and flag issues before they become problems. You always know where things stand.

About the Firm

Harmonic Accounting exists to give founders what traditional bookkeeping doesn’t: clarity, partnership, and real financial insight.

Founded by Lotte Leussink in 2016, the firm was created to fill the gap between basic bookkeeping and strategic financial support. Since then, we’ve supported over 100 businesses in understanding their numbers, making confident decisions, and growing with purpose.

We specialize in service providers, e-commerce brands, and select nonprofits.