Orange County (949) 495-2700

Riverside County (951) 689-0680






Our Services

At Casillas Accountancy Group we offer a variety of accounting services tailored to your specific needs. From the everyday tasks required to run a business, to the landmark moments along the way. We are here to support you in every step of the journey.

Tax Services

Preparation of individual or businesses tax returns.

Tax Planning, Personal Tax Planning, Business Tax Planning, and Tax Preparation

Estate Planning

Arrangement of assets to follow your wishes.

IRS Audit Representation

Know what to expect and have an ally in the process.

Financial Statement Representation

Accurately know performance to executive decisions.

Business Planning Services

Your passion, our experience. A winning combination.

Business Entity Selection

Miscellaneous Services

Payroll and 1099 Preparation, Sales and Use Tax Return Preparation, Complete Financial Service Support, Bill Pay Service