Serving the Monadnock Region with our accounting expertise since 1991


Oster & Wheeler specializes in working with non-profit organizations as well as small businesses

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Accounting & Auditing

Specializing in audit and assurance work for both non-profit organizations and commercial enterprises.

Business Valuation & Consulting

Experience with purchase and sale transactions, tax and litigation engagements

Tax Planning & Preparation

Helping businesses and individuals implement tax strategies specific to their situation

Feel free to contact us if you have any questions or would like any additional information.

  • Financial Statement Audits, Reviews and Compilations
  • Business Valuations
  • Business Consultation
  • Business Sale
  • Business Purchase
  • Peer Reviews
  • Tax Services
  • Tax Planning
  • Accounting Services

Contact Us

Visit Us

86 West St,
PO Box 623,
Keene, NH 03431

Get In Touch

Phone: 603-352-4500
Fax: 603-352-8558