Skip to content
TrustList
Cornerstone, CPA logo
Accounting Firm

Cornerstone, CPA

Delaware CPA firm offering tax planning, tax preparation and QuickBooks services to individuals and small businesses

Cornerstone, CPA cover

About Cornerstone, CPA

Cornerstone, CPA, trading as The Cornerstone Group, LLC, is a certified public accounting firm with offices in Bear and Newark, Delaware, and in Gap, Pennsylvania. It treats tax planning and tax preparation as one job, so that a client's tax bill is anticipated rather than a surprise.

Services

  • Tax planning: strategies worked out in advance to manage the tax burden.
  • Tax preparation: business and personal returns.
  • QuickBooks services: setup, training, tips, QuickBooks Online support, check-ups and quick answers.
  • Accounting: general accounting for small businesses.
  • Tax resources: due date reminders, rates, IRS and state forms, a record retention guide, an online tax organiser and spreadsheet templates.

Who it works with

The firm works with individuals, couples and small businesses, and gives clients a secure portal for uploading documents. It does not specialise in taxation for foreign-owned companies.

Key facts

  • Based in: Bear and Newark, Delaware; Gap, Pennsylvania
  • Company: The Cornerstone Group, LLC
  • Platforms: QuickBooks and QuickBooks Online

Profile written by TrustList from the business's own published information, Sep 2026.

Categories & features

Rankings

As of 2026-10-06. Organic ranks only; sponsored placements are never ranks.

Request a demo or quote from Cornerstone, CPA

Protected by reCAPTCHA — Google Privacy Policy and Terms apply.

By sending, you agree we may share your request and contact details with the provider once you confirm your email.

Reviews

Write the first review of Cornerstone, CPA

Used it? Your experience helps other buyers decide.

Write a review

Questions & answers

No questions yet. Be the first to ask about Cornerstone, CPA.

Cornerstone, CPA alternatives

Similar listings buyers compare against this one.

Martinsburg, West Virginia accounting firm providing tax, back office, CFO and valuation services to small businesses

Australian accounting and advisory firm offering tax planning, audit and estate planning for family businesses

Helensvale accounting practice offering tax, bookkeeping, superannuation and business advice across Australia

Australian accounting practice offering tax returns, business advice, compliance and SMSF support for small businesses