McMahon-Veltus, S.C. is a CPA firm in Burlington, WI serving individuals and businesses with tax and accounting support. Its listed services include tax preparation and tax planning, sales tax, small business tax work, IRS notice and audit help, bookkeeping, payroll, and new business formation.

The firm offers in-person and remote service formats and works with clients across industries. Its website also provides practical tax and financial resources, including tax rates, IRS forms, financial calculators, tax tools, and guides for individual, business, and financial topics.

For the Burlington office, McMahon-Veltus, S.C. notes tax-season weekday office hours and appointment-based non-tax-season scheduling. The broader firm also lists Racine and Union Grove office locations.