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Meet Our Team



Nielsen, McDonough & Company, LLC is a full-service Certified Public Accounting firm licensed in MA. All our CPA's hold valid MA State CPA Certificates.

Meet Our Team:

Eric P. Nielsen, CPA

Eric has twenty years of public accounting experience with large Boston based regional accounting firms.  He works mostly with closely held companies ranging from those in the start-up phase to over $100 million of revenues. He specializes in financial reporting including review and compilation engagements, as well as corporate, partnership, and individual taxation. Eric has a broad range of industry expertise including closely-held businesses, retailers, food and hospitality companies, manufacturers and distributors, commercial and residential real-estate, and professional services firms.

Eric consults companies in many areas including accounting system implementation and organization, ownership transition, strategic mergers and acquisitions, profitability analysis, budgets and forecasts, and general ongoing consulting with business owners, CEO’s, CFO’s, corporate controllers, and bookkeepers.

Additionally, Eric works closely with investment advisors, financial service firms, and estate planning attorneys.

Eric is a member of the Massachusetts Society of Certified Public Accountants and the American Institute of Certified Public Accountants.

Eric attended high school in Harvard, Massachusetts and college at the University of Vermont where he earned a degree in economics and accounting.  Eric currently resides in Marshfield, Massachusetts with his wife Margaret and three children.


Michael S. McDonough, CPA, MST

Mike has worked in the finance and accounting fields for over twenty years, gaining broad financial experience, working in large regional accounting firms as well as private industry.  His experience includes working with small and medium size companies, providing accounting and business advisory services, as well as tax planning and preparation.  He also has knowledge and experience working with Not for Profit entities from the application phase to federal and state tax filings.  Mike has worked with business clients in the startup phase, implementing business plans and accounting systems, as well as during transition periods such as sales or succession.  Mike has extensive experience working with the IRS and MA DOR on filing past tax returns, collection notices, and payment plans. 

Mike grew up in Marshfield, and currently resides there with his wife and two children.  He is a Certified Public Accountant in the State of Massachusetts, graduating from Bridgewater State University with a Bachelor’s Degree in Management Science and Accounting, and earning a Master’s of Taxation Degree from Northeastern University

Mike currently volunteers as the Treasurer of the local Parent Teacher Organization, and as a coach for youth baseball, football, and soccer.