Montminy Financial Services is a Manchester, NH tax and accounting firm serving individuals, business owners, partnerships, corporations, estates, trusts, and other entities with tax-reporting requirements. Its work includes individual and business tax preparation, tax planning, accounting, bookkeeping, payroll, and support for new business formation.

The firm also assists with IRS notices and government notices, audit-related tax help, sales tax returns, payroll tax issues, and tax considerations tied to business decisions. Available service formats include in-person and remote support, with source material also referencing client-facing technology features such as eSign, file sharing, appointment setting, and a CountingWorks-powered platform.