UNITED STATES :
U.S. tax compliance and strategy
Client representation before the IRS
Company formation, 8804/8805 WH issues
MoM QBO-based U.S. GAAP accounting
MoM Gusto-based payroll management
U.S. expat and GILTI/FEIE issues/strategies
U.S. expat Mexican RFC & RESICO registration
Foreign Corporations (FC), Foreign Disregared Entities (FDE), Check-the-box taxation of FDE's
Filing of Foreign-owned U.S. DE's
U.S. DTA issues to avoid double taxation
U.S. FIRPTA strategies ahead of sale of U.S. real estate by non-U.S. person owner, including Withholding Agent services (BECAUSE MOST U.S. REALTORS/TITLE COMPANIES WON'T CARE ENOUGH TO DISCUSS ALTERNATIVES)
Fractional CFO/Management services
Business profitability analysis and DCF/Income approach commercial property valuation
Non-resident filing & ITIN requests
Review ahead U.S. investment vehicles by non-U.S. persons (KNOW YOUR RIGHTS BEFORE YOU SIGN OR BE TREATED LIKE A WALKING ATM!)
U.S. Gift and Estate planning compliance and strategy
U.S. reporting of income from/alt-schedule depreciation on foreign real estate
CANADA :
Corporate tax returns (T2)
Tax advice for non-residents on investments
ITN requests and Third-party representation
MEXICO :
Full range standard tax and accounting service
IRELAND/OTHER :
Ad-hoc consulting services
Liaison with law offices and tax practices in third-party jurisdictions
Full consultations in English, French, Spanish, Portuguese and Italian - mostly online so that we can serve as many clients as possible.
BOOK US HERE https://calendly.com/d-alonso-cpadda
Check client reviews at our Google Business Profile
US CPA. Illinois DFPR/University of Illinois & Texas Board of Accountancy
ÉIRE Institute of Chartered Accountants in Ireland, member (Irish & UK-qualified)
US Enrolled Agent & Certifying Acceptance Agent (ITIN). U.S. Treasury
UK CertIFR (ACCA diploma on IFRS)
MX Diplomado del Colegio de C.P. de México
Associates with cédula profesional de Contador Público en México and Instituto Politécnico Nacional de México graduates
US BBA Finance Universitas Sancti Ludovici (Established 1818)
CA Canadian Tax Academy & LOMA-Québec insurance industry associates
CA Canadian Revenue Agency Non-Resident Representative authorization (CPA British Columbia & Québec membership pending)
SPAIN British Council & Colegio Buen Consejo Madrid graduates
David Alonso, our principal, obtained his business degree from one of the oldest Jesuit universities in the United States in 1997 and has been an Illinois-licensed CPA since 2006. European born and raised but living in America since 1992.
We most definitely welcome all.
We meet online mostly, with occasional onsite bookings available on an ad-hoc per request basis in DFW, Austin/San Antonio and Mexico City
... as well as we enjoy travelling, both for professional and family reasons, so let's see what location may work for the job particularly if it requires manual signatures and onsite delivery --- otherwise, as the old saying goes, as long as we're here, don't worry where here is!
Annual U.S. tax filing simple 1040 no foreign corporations, no FDE's, no rental income, no self-employment income, starts at US $1,100
Annual U.S. tax filing business pass-thru or C corporations, individual with any foreign corporations, FDE's, rental income, starts at US $1,700
U.S. monthly financial statement with analytics and review/strategy discussion, starts at US $500/month
U.S. ITIN or Canadian ITN US $600/requestor (requires brief videoconference and physical delivery of non-U.S. passport either by meeting in person in Texas or in Mexico or by DHLing passport to our offices for review - typical turnarond time on passport return is 24 hours)
Mexico RFC and RESICO registration, MX $4,500 +IVA
David D Alonso CPA EA LLC
EIN# 85-1286980, Colorado File ID# 20201468635
1500 N Grant St 6721
Denver, CO 80203
Phone: (469)970-9968 | Fax: (469)846-8663
March 03, 2026
Your privacy is important to us. Read the following privacy policy.
We collect nonpublic personal information about you from various sources, including:
We do not disclose any nonpublic personal information about our clients or former clients to anyone, except as requested by our clients or as required by law.
We restrict access to personal information concerning you, except to our employees who need such information in order to provide products or services to you.
We maintain physical, electronic, and procedural safeguards that comply with federal regulations to guard your personal information.
If you have any questions about our privacy policy, contact our office at (469)970-9968.
Sincerely,
David Alonso
David D Alonso CPA EA LLC
The information provided on this website does not, and is not intended to, constitute legal or tax advice as every person's legal and tax situation is different and would require individual consultation; Instead, all information, content, and materials available on this site are for general informational purposes only. Information on this website may not constitute the most up-to-date tax or legal or other information. This website constains links to other third-party websites. Such links are only for the convenience of the reader, user or browers, and neither David D. Alonso CPA EA, LLC (Colorado); David Alonso & Associates, P.C. (Texas); David D Alonso CPA EA, S.A.S de CV (México) nor any of its associates or successors recommend nor endorse the contents of third-party sites.
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