Built to Serve The New Hampshire Business Community

We work with New Hampshire-based companies, nonprofits, and business owners who have outgrown reactive CPA support. Through consistent relationships, proactive guidance, and direct access to experienced partners, we help you gain clarity, make smarter decisions, and move forward with confidence.

LGA brings local insight backed by the depth of a leading New England firm. For more than 45 years, we’ve helped clients navigate complexity, strengthen financial visibility, and plan for what’s next.

How can we help you?

At LGA, we’re more than just an accounting firm serving New Hampshire, we’re partners in your success. Whether you have questions about our services, need assistance with your business or personal finances, or are ready to take the next step, our dedicated team is here to help. Simply reach out, and let’s start the conversation.

OUR OFFICES

With more than 155 professionals across three offices and four core service lines including Tax, Audit & Assurance, Outsourced Management Accounting, and Business Advisory, LGA provides the depth and technical expertise of a regional firm while maintaining the accessibility and personal attention of a local partner.