AD Singleton & Co, CPA, Inc.

Certified Public Accountant

Certified Public Accountant

Rancho Bernardo Meeting Space Rancho Bernardo Meeting Space

CPA firm providing tax and accounting services to individuals and small businesses.

Satisfaction Guarantee


In 1971, Arnold Singleton set off to Escondido to found his own firm, after working as an accounting executive in San Diego. Over the years, several partnerships formed and evolved, as Arnold continued his passion of being the go-to CPA resource.

In 2003, Arnie’s his son Brian joined the firm. Brian immediately enhanced the firm’s IT capabilities and brought new energy to the firm while leveling-up to obtain a Masters in Business Administration, Taxation from Cal State Sacramento on the way to earning his CPA license.


We succeed by helping you succeed

When you become a client, we work closely with you to understand and evaluate your needs, and then develop sound tax and business strategies to help you achieve your goals. It’s an approach that has proven to work very well.

Our team consists of dedicated professionals

with extensive knowledge in Federal and state tax, corporate and individual tax planning, accounting and business software, and specialized accounting needs.

Our list of clients includes many

small and medium-sized corporations, proprietorships, partnerships, and many savvy individuals.

Our Commitment To You

  • Professional accountants work within the highest standards of integrity, honesty, and openness.
  • We respect absolutely the confidentiality of our working relationships.
  • We meet our deadlines.
  • We discuss, in advance, our fee arrangement and billing policies.
  • We have a Satisfaction Guarantee, so you’ll never pay for unwanted work.

Brian Singleton, CPA