We specialize in tax so you can specialize in changing the world

We make IRS compliance as distraction-free as possible so your focus stays where it should: effecting positive change.

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Practice Lead

Nicholas Porto


Nick specializes in tax-exempt organization compliance services for public charities and private foundations throughout Maine, New Hampshire, Vermont, Massachusetts and New York.

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We keep you focused on your good work

New England is home to a rich ecosystem of nonprofits: schools, universities, healthcare organizations, private foundations, and more. Among regional firms, BNN stands out for our experience and depth of work in the tax-exempt space on tax and assurance issues, including Form 990 and 990T compliance, financial statement audits, payroll/donor issues, IT consulting, internal control assessments, and more.

How we can help

  • Tax compliance, including Form 990, 990-PF, 990-T, and other more specialized forms
  • Tax-exempt applications (Forms 1023, 1024)
  • Tax planning for private foundations
  • Assisting on compensation and benefits issues
  • Public charity status planning

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We look forward to partnering with you.