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OAHU CORPORATE BUSINESS TAX ADVISORY SERVICES

Updated: 3 days ago


Diamond Head Tax Group OAHU Corporate Business Tax Advisory Services Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation
Diamond Head Tax Group OAHU is your Honolulu's Trusted Source for Filing Taxes for Personal and Business. Call 808-468-8041 to Schedule an Appointment with a Tax Expert!

Backed by years of trusted experience in business planning, we ensure that business owners like you have the critical information and insights needed to stay competitive and build lasting financial security for you and your family.


We bring together industry expertise and proven strategies to create a solid foundation for your company’s success. Best of all, by entrusting your business planning to us, you can focus on what you love and do best—growing and running your business.


Our business planning and advisory services include:


Business Planning and Tax Advisory Services at DIAMOND HEAD TAX GROUP OAHU Corporate Business Tax Advisory Services Honolulu 'Aiea Halawa Kailua Kaneohe Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation

Planning for strategic growth

Performance metrics

Review and evaluation of internal controls

SAS 112 compliance

Business valuations and due diligence

Budget and cash flow analysis and management

Business entity selection and restructuring

Financial projections and forecasts

Assistance with debt and financing

Business expansion and acquisition analysis

Evaluation and implementation of accounting software






Diamond Head Tax Group OAHU Corporate Business Tax Advisory Services Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation Honolulu 'Aiea Halawa Kailua Kaneohe

Serving these Business Industries in the OAHU ISLAND

Construction, Dentists, Healthcare, Hospitality, Law Firms, Real Estates, Technology, and Transportation



Our firm provides outstanding service to our clients because of our dedication to three underlying principles: excellence, engagement, and superiority.



Excellence

We believe that our commitment to high standards, personalized service, and a skilled team truly sets us apart. Every client receives the individual attention they deserve. We also recognize the importance of staying current with changes in tax laws and related areas. That’s why we actively pursue ongoing education through professional organizations—to continually enhance our technical expertise, expand our financial knowledge, and leverage the latest technology to better serve our clients.


Engagement

We offer a full range of financial services tailored to small and mid-sized businesses. Committed to supporting our clients year-round—not just during tax season—we prioritize prompt and responsive service to address any concerns as they arise. For a complete overview of what we offer, please visit our Services page.


Superiority

As trusted advisors, we're always here to offer thoughtful guidance to help you make confident, informed financial decisions. If you have questions or would like to learn more about how we can support your financial goals, feel free to reach out to us anytime.



DIAMOND HEAD TAX GROUP OAHU offers Corporate Business Tax Advisory Services



HONOLULU, OAHU, HAWAII

96701, 96706, 96707, 96709, 96712, 96717, 96730, 96731, 96734, 96744, 96759, 96762, 96782, 96786, 96789, 96791, 96792, 96795, 96797, 96801, 96802, 96803, 96804, 96805, 96806, 96807, 96808, 96809, 96810, 96811, 96812, 96813, 96814, 96815, 96816, 96817, 96818, 96819, 96820, 96821, 96822, 96823, 96824, 96825, 96826, 96828, 96830, 96836, 96837, 96838, 96839, 96840, 96841, 96843, 96844, 96846, 96847, 96848, 96849, 96850, 96853, 96854, 96857, 96858, 96859, 96860, 96861, 96863, 96898

HONOLULU HAWAII 96701, 96706, 96707, 96709, 96712, 96717, 96730, 96731, 96734, 96744, 96759, 96762, 96782, 96786, 96789, 96791, 96792, 96795, 96797, 96801, 96802, 96803, 96804, 96805, 96806, 96807, 96808, 96809, 96810, 96811, 96812, 96813, 96814, 96815, 96816, 96817, 96818, 96819, 96820, 96821, 96822, 96823, 96824, 96825, 96826, 96828, 96830, 96836, 96837, 96838, 96839, 96840, 96841, 96843, 96844, 96846, 96847, 96848, 96849, 96850, 96853, 96854, 96857, 96858, 96859, 96860, 96861, 96863, 96898 Corporate Business Tax Advisory Services DIAMOND HEAD TAX GROUP OAHU Business Industries Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation

Diamond Head Tax Group OAHU offers Corporate Business Tax Advisory Services in Honolulu 96701, 96706, 96707, 96709, 96712, 96717, 96730, 96731, 96734, 96744, 96759, 96762, 96782, 96786, 96789, 96791, 96792, 96795, 96797, 96801, 96802, 96803, 96804, 96805, 96806, 96807, 96808, 96809, 96810, 96811, 96812, 96813, 96814, 96815, 96816, 96817, 96818, 96819, 96820, 96821, 96822, 96823, 96824, 96825, 96826, 96828, 96830, 96836, 96837, 96838, 96839, 96840, 96841, 96843, 96844, 96846, 96847, 96848, 96849, 96850, 96853, 96854, 96857, 96858, 96859, 96860, 96861, 96863, 96898. Contact us at 808-468-8041 for a Tax Expert.


Honolulu, the capital of Hawaiʻi, is located on the southeastern coast of the island of Oʻahu. As the state’s largest city and a vibrant cultural and economic hub, Honolulu blends the spirit of aloha with urban sophistication. Known for its stunning beaches, rich history, and diverse communities, the city attracts visitors and residents alike with its unique mix of natural beauty and modern amenities.



'AIEA, OAHU, HAWAII

96701

'AIEA HAWAII 96701 Corporate Business Tax Advisory Services DIAMOND HEAD TAX GROUP OAHU Business Industries Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation

As Tax Consultants, Diamond Head Tax Group OAHU offers Corporate Business Tax Advisory Services to multiple business industries in the Oahu Island this includes Construction, Dentists, Healthcare, Hospitality, Law Firms, Real Estates, Technology, and Transportation. Reach out to our Tax Experts at 808-468-8041 if you are planning to hire our Tax Consultants.


ʻAiea is a residential community located in central Oʻahu, Hawaiʻi, nestled between Pearl Harbor and the verdant Koʻolau mountain range. Just a short drive from downtown Honolulu, ʻAiea offers a peaceful suburban environment with convenient access to urban amenities, making it a popular choice for families and professionals alike.



HALAWA, OAHU, HAWAII

96818, 96861

HALAWA HAWAII 96818, 96861 Corporate Business Tax Advisory Services DIAMOND HEAD TAX GROUP OAHU Business Industries Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation

With our Corporate Business Tax Advisory Services, the tax experts from Diamond Head Tax Group OAHU offers business owners in Halawa 96818, 96861 with our trusted years of experience and expertise in the field, ensuring clients to have the critical information and insights needed to stay competitive.


Hālawa is a historic and strategically located community in central Oʻahu, Hawaiʻi, situated between ʻAiea and the base of the Koʻolau Mountains. Best known as the home of Aloha Stadium (formerly the state’s largest sports and entertainment venue), Hālawa also encompasses residential neighborhoods, industrial areas, and culturally significant sites.



KAILUA, OAHU, HAWAII

96734

KAILUA HAWAII 96734 Corporate Business Tax Advisory Services DIAMOND HEAD TAX GROUP OAHU Business Industries Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation

Let's save you money every TAX SEASON! Diamond Head Tax Group OAHU offers Tax Advisory Services for business industries in the OAHU Island, this includes, Real Estates, Healthcare, Transportation, Dentists, Hospitality, Construction, Law Firms, and Technology. With our Corporate Business Tax Advisory Services, we ensure each client that they will be talking to one of our Oahu Tax Professionals today.


Kailua is a picturesque beach town located on the windward (eastern) side of Oʻahu, Hawaiʻi. Known for its relaxed island lifestyle, stunning natural beauty, and strong community spirit, Kailua has become one of Oʻahu’s most beloved destinations—for both residents and visitors.



KANEOHE, OAHU, HAWAII

96744

KANEOHE HAWAII 96744 Corporate Business Tax Advisory Services DIAMOND HEAD TAX GROUP OAHU Business Industries Construction Dentists Healthcare Hospitality Law Firms Real Estates Technology Transportation

Choosing Diamond Head Tax Group OAHU for your business' corporate tax advisory services is the best solution for most OAHU Island properties. When you partner with Diamond Head Tax Group, you’ll receive rates that are competitive and reasonable, flexibility that works around your schedule, and excellent client services.


Kāneʻohe is a lush, scenic community located on the windward (eastern) side of Oʻahu, nestled between the majestic Koʻolau mountain range and Kāneʻohe Bay—the only large, sheltered bay in the Hawaiian Islands. Just a short drive from Honolulu via the Pali or Likelike Highway, Kāneʻohe offers a peaceful, residential atmosphere with deep cultural roots and natural beauty.



Contact us and let our skilled OAHU Tax Experts offer their well-rounded tax advice and tailored tax solutions to help you file accurate tax reports. Diamond Head Tax Group is Honolulu's trusted source of tax filing services serving Waianae, Honolulu, Kapolei, Oahu and surrounding areas.


Oahu CPA Tax Firm Honolulu Alan Chan Diamond Head Tax Group Personal and Business Tax Filing and Preparation Tax Advisory S Corporation LLC Payroll Services


5 Star Client Testimonials Oahu CPA Tax Firm Honolulu Alan Chan Diamond Head Tax Group Personal and Business Tax Filing and Preparation Tax Advisory S Corporation LLC Payroll Services



Tax Bill Payment Options from Diamond Head Tax Group

We are available to assist you with your Tax Needs.

Individuals ● Business ● Tax Advisory ● Payroll Services

Oahu CPA Tax Firm Honolulu Office 1050 Queen Street #100, Honolulu Hawaii 96814 Alan Chan Diamond Head Tax Group Personal and Business Tax Filing and Preparation Tax Advisory S Corporation LLC Payroll Services





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Diamond Head Tax Group 

Honolulu, Oahu Tax Advisors

Contact us today for a Consultation 

We are available to assist you with your Tax Needs.

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1441 Kapiolani Boulevard Suite 912

Honolulu, HI 96814

© 2025 Diamond Head Tax Group - Oahu, Honolulu

BUSINESS TAX ADVISORY, BUSINESS TAX PLANNING, BUSINESS FUNDING, BUSINESS CASH MANAGEMENT, COMPREHENSIVE BUSINESS TAX PLANNING

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