Professional services · Londonderry, New Hampshire
Londonderry has several accounting firms and tax professionals for personal returns, bookkeeping, payroll, tax planning and business financial work. This guide separates CPA and accounting firms from tax-focused practices so you can make a more useful first call.
Researched September 26, 2026 · Alphabetical within each section · Not ranked
Local firms with a published Londonderry office and accounting services verified on their official websites.
Small-business accounting · Bookkeeping · Payroll · Tax
15 Londonderry Road, Suite 7, Londonderry
Provides outsourced accounting, bookkeeping, payroll processing, financial reporting and tax services for small businesses.
Its official site describes a business-focused service model; ask whether the firm works with your industry and business size.
CPA firm · Accounting and audits · Bookkeeping · Tax
12 Parmenter Road, Building D, Unit 3, Londonderry
Lists accounting and audit work, payroll and bookkeeping, tax preparation and planning, and IRS problem services.
The practice also has a Dracut office. Confirm which office will handle your appointment and records.
Bookkeeping · Payroll · Tax preparation · Financial reporting
75 Gilcreast Road, Suite 210, Londonderry
Provides bookkeeping, payroll, tax preparation, QuickBooks consulting, financial reporting and construction accounting for businesses.
The official site presents JLS as a business-services practice; ask which services are available as ongoing work or one-time projects.
CPA and CFO services · Tax strategy · Business planning
12 Parmenter Road, Unit C5, Londonderry
Works with small and midsize businesses on tax strategy, forecasting, cash flow, financial systems and on-demand CFO support.
This practice is oriented toward business financial management; describe the size and stage of your company when contacting it.
CPA firm · Personal and business tax · Payroll · QuickBooks
50 Nashua Road, Suite 211, Londonderry
Offers personal and business tax returns, nonprofit accounting, compilations and reviews, payroll, tax planning and QuickBooks services.
Ask about new-client availability and which records to provide before a tax-preparation appointment.
Local practices whose official websites emphasize tax preparation, planning or representation. Credentials are identified without treating every provider as a CPA.
Enrolled agent · Tax preparation · IRS representation
75 Gilcreast Road, Suite 200, Londonderry
Provides tax-return preparation, bookkeeping, financial statements, business consulting and representation for federal and state tax matters.
This is an enrolled-agent practice, not a listing as a CPA firm. Mention any tax notice, deadline or collection action when calling.
Tax preparation and planning · IRS representation · Business consulting
75 Gilcreast Road, Suite 304, Londonderry
Lists personal and business tax planning, financial statements, business consulting, IRS representation and estate or trust tax preparation.
Ask which credentialed professional would handle your work and whether the service is available in person or remotely.
The right fit depends on the job, the credential required and whether you want one-time help or an ongoing relationship.
For related professional help, browse Londonderry attorneys and local real estate agents.
No. The guide includes accounting firms and tax professionals. Each card identifies the services or credential supported by the official website; confirm who will handle your work.
Several official sites list individual tax preparation, while others focus on business clients. Ask about new-client availability and whether your type of return is within the practice.
Official websites and listing details were reviewed on September 26, 2026. Services, staffing, fees and appointment availability can change, so confirm them directly.
Researched September 26, 2026 by opening each linked official business website and confirming that it loaded, represented the named active practice, showed a Londonderry office, and supported the services described. Listings are alphabetical within each section and are not rankings or endorsements. Contact each practice for current availability, fees and professional credentials.
Done with the boring stuff?
What’s Happening This WeekendTown events, family activities, community happenings and more.See What’s Happening →
Live Music & TheaterUpcoming concerts, shows and performances around Londonderry and nearby.See Music & Theater →
Places to EatLocal restaurants, coffee shops, bars and more.Find Somewhere to Eat →