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Certified Public Accounting (CPA) Firm

Registered w/ the IRS for Electronic Tax Filing

Bookkeeping, FractionalCFO, Accounting & More

100% In-House, No Outsourcing

Why Koida?

The Top CPA Firm Near You

Koida is a full-service CPA firm licensed in both Hawaii and Texas, proudly serving business owners, executives, and independent professionals. With over a decade of experience, our team offers personalized support in tax preparation (domestic and international), bookkeeping, and accounting — all handled 100% in-house with no outsourcing, so your information stays secure and confidential.

We understand the day-to-day challenges of running a business because we’ve been there. Led by Hiroyuki “Yuki” Koida, who brings years of expertise in public accounting and advanced degrees from Kent State University and Rikkyo University, our firm is committed to delivering practical, affordable solutions with a friendly approach.

At Koida, you’re not just a number. You receive the close attention of a small firm with the professional capability of a larger practice. Call us today to schedule your free initial consultation — we’re here to help you navigate your financial goals with clarity and confidence.

Small Business Accounting

Clear, Reliable Support From a Local CPA Team

Looking for an accountant who truly understands small business in Hawaii? At Koida, we specialize in providing affordable, personalized accounting support for local business owners, LLCs, and independent professionals. From day-to-day bookkeeping to tax preparation and financial guidance, our licensed CPA team handles everything in-house — never outsourced.

With over a decade of experience, we understand the challenges small businesses face across the islands. Our goal is to help you stay compliant, organized, and confident in your numbers, so you can focus on growing your business.

If you're searching for a CPA for your small business, or need help with small business taxes, Koida is here to support you. We’re proud to be a trusted accounting partner for Hawaii entrepreneurs.

Reliable Business Tax Services

Strategic Tax Support for LLCs, Corporations, and Partnerships

Koida provides comprehensive business tax services tailored to the needs of Hawaii-based companies. Whether you’re a single-member LLC or a growing corporation, we help you stay compliant with federal and state requirements — including quarterly estimated tax payments and Hawaii’s General Excise Tax (GET). From annual filings to proactive tax planning, our licensed CPAs deliver accurate, timely support with zero outsourcing. We take the time to understand your business and offer year-round guidance, so you can avoid surprises and stay focused on growth.

Call Koida today to discuss how we can support your tax needs.

Christopher

“Koida prepares the tax filing for a small business (a farm) some partners and I have on the Big Island. I have been very happy with the high quality of their filings and Yuki has also provided very useful advice about how to comply with the tax regulations. I can highly recommend Koida Tax and Accounting”

“Koida Tax & Accounting has been great to work with! Yuki is very knowledgeable, patient and understanding. He works diligently to help us with our business and personal tax items.”

Ryan

“As a new small business owner, navigating taxes felt overwhelming—until we started working with Hiroyuki Koida. He’s made the entire process so much easier, and I now feel confident that everything is being handled correctly. His expertise and professionalism have truly been a game-changer for our business.”

Morgan

“I’ve been using Koida tax and accounting for several years, and the level of professionalism and expertise is incredible. They make tax season completely stress-free, handling everything with accuracy and efficiency. Their personalized approach means they truly understand my financial needs and goals.” 

Yo