Smashing Numbers is a female-owned CPA firm led by Maddie Brown, CPA, serving small businesses from Onawa, Iowa with virtual support available nationwide. The firm focuses on helping business owners understand their numbers, reduce paperwork stress, and plan with clearer financial information.

Its services include bookkeeping, tax planning and preparation, payroll, and virtual CFO support. The source facts also note help with new business formation, IRS notice and audit matters, tax resolution, and QuickBooks setup. Smashing Numbers works with small businesses, including online and service-based businesses, and presents its approach as proactive, educational, and relationship-focused.