Our services
LLC Formation & Business Setup
We help you establish your business in the United States quickly and correctly, ensuring full compliance from day one.
Payroll Services
Complete payroll setup and processing to ensure your employees are paid correctly and all obligations are met.
Tax Preparation
Accurate and reliable tax preparation for individuals and businesses, ensuring compliance while optimizing your tax position.
Sales & Local Tax Compliance
Registration, filing, and compliance support for sales tax and other state and local tax obligations.
Business Compliance
We keep your business compliant with federal, state, and local requirements, helping you avoid penalties and stay in good standing.
ITIN Assistance
Guidance and support with ITIN applications, ensuring proper documentation and IRS compliance.
Bookkeeping
Clear and organized financial records so you can understand your numbers and make confident business decisions.
Mailing & Registered Address Service
Business mailing and registered address services to support compliance and official correspondence.
About Castagnet Tax Consulting Group
Julián Bernardo Castagnet is the Founder and Principal Advisor of Castagnet Tax Consulting Group, a professional tax and business consulting firm based in Orlando, Florida, serving clients across Central Florida and internationally since 2023.
We specialize in helping individuals and business owners navigate the U.S. tax and financial system with clarity, structure, and confidence. Our approach combines technical expertise with practical solutions, allowing our clients to stay compliant while building stronger, more organized businesses.
From tax preparation and bookkeeping to payroll, LLC formation, ITIN processing, audit representation, and ongoing compliance, we provide comprehensive support tailored to each client's specific needs. We understand that managing taxes and financial responsibilities in the United States can be complex — our goal is to simplify that process and give you peace of mind.
Our approach is focused on:
-
Bringing structure and organization to your business
-
Reducing uncertainty and financial risk
-
Helping you make confident, informed decisions
We work with both U.S. and international clients, supporting entrepreneurs, small business owners, and individuals who require clear guidance and reliable execution. Our firm has developed particular expertise in serving foreign investors operating under E-2 and other investment visa structures, providing the financial, accounting, and compliance support these clients require throughout the lifecycle of their U.S. operations.
Our Track Record
-
240+ tax returns processed
-
58+ business entities formed
-
5.0 ★ Google rating
-
1 full-time W-2 staff member on payroll
-
Clients across the U.S. and 10+ countries
Professional Credentials and Tools
Castagnet Tax Consulting Group operates with all professional credentials required by the U.S. tax industry. The firm's Principal Advisor holds PTIN (Preparer Tax Identification Number), EFIN (Electronic Filing Identification Number), and ERO (Electronic Return Originator) authorizations issued by the Internal Revenue Service. We use Drake Tax Software, the industry-standard professional platform for tax preparation, and Adobe Sign for legally compliant digital document execution. The firm maintains active institutional partnerships with ADP and Trez.co for payroll services, allowing us to deliver enterprise-grade payroll solutions to small and mid-sized businesses.
The Principal Advisor is currently pursuing Enrolled Agent (EA) certification from the Internal Revenue Service, the highest credential awarded by the IRS, which authorizes its holders to represent taxpayers before the IRS at all levels.
We provide support in both English and Spanish, ensuring clear communication and a better experience for every client.
At Castagnet, we don't just prepare taxes — we help you build a stronger, more organized business.
Why Choose Castagnet Tax Consulting Group
Helping you stay compliant, make better decisions, and grow with confidence.
What Sets Us Apart
✓ Fully bilingual professional service — accurate technical work in English and Spanish, eliminating communication barriers for Hispanic clients without sacrificing professional rigor
✓ IRS-authorized credentials and industry-standard tools — PTIN, EFIN, and ERO authorizations from the Internal Revenue Service; Drake Tax Software for tax preparation; Adobe Sign for legally compliant document execution
✓ Integrated service model — from LLC formation to ongoing tax, bookkeeping, payroll, and compliance, all under one roof, eliminating the need to coordinate multiple providers
✓ Specialized experience with foreign investors — particular expertise in supporting clients operating under E-2 and other investment visa structures, with direct understanding of the financial documentation and compliance standards these structures require
✓ Institutional partnerships — active relationships with ADP and Trez.co for payroll services, allowing us to offer enterprise-grade solutions to small and mid-sized businesses
✓ Relationship-based approach — long-term client partnerships built on trust, responsiveness, and consistent execution, not transactional one-time engagements
Continuously Learning & Staying Updated
The U.S. tax and regulatory environment evolves continuously, and so do we. Our Principal Advisor maintains active professional development through:
-
Annual attendance at the LabiTax USA Tax Convention (Miami Beach), one of the leading professional tax conventions for Spanish-speaking practitioners
-
Active participation in the Hispanic Chamber of Metro Orlando and other professional networking organizations
-
Regular educational outreach through speaking engagements at BNI (Business Network International) chapters and community events
-
Currently pursuing Enrolled Agent (EA) certification from the IRS, the highest credential awarded by the Internal Revenue Service
-
Ongoing engagement with industry publications, regulatory updates, and continuing education programs
This commitment ensures our clients always receive up-to-date, reliable, and technically sound guidance — not generic advice from outdated frameworks.
What Our Clients Say About Us
Schedule your free consultation and get clear guidance on your next steps.
Contact Us
Serving clients across the U.S. and internationally.
Mailing Address: 3050 Dyer Blvd #255, Kissimmee, FL 34741
By appointment: 12250 Menta Street #106 A, Orlando, FL 32837
Tel: +1 (407) 868-5776
