Top 10 Best International Tax Consultant in Los Angeles (Verified & Reviewed Guide)

Introduction

People search for an International Tax Consultant in Los Angeles when life or business crosses borders: moving in or out of the U.S., earning foreign income, hiring globally, investing internationally, or expanding a company overseas. Even “simple” situations can trigger complex reporting and high-penalty forms.

This guide explains what international tax consultants do, what they typically cost in Los Angeles, and how to choose the right provider for your situation. You’ll also find a vetted shortlist of established firms with a Los Angeles presence that are known (from publicly available information) for tax services that can include cross-border work.

Because international tax is specialized, many local firms don’t publicly detail their international capabilities or Los Angeles office coverage. Although the title is “Top 10,” only five firms met a strict threshold for clearly identifiable, publicly available signals of international tax services and Los Angeles-area presence.

About International Tax Consultant

An International Tax Consultant helps individuals and businesses understand, plan for, and comply with tax rules when money, people, assets, or companies cross country lines. In practice, that often includes U.S. federal tax rules, treaty positions, multi-state coordination, and international information reporting.

You might need one if you’re a U.S. citizen living abroad, a foreign national moving to Los Angeles, a founder with overseas shareholders, or an investor with foreign accounts and entities. International tax work is also common for companies dealing with cross-border contractors, inbound expansion to the U.S., outbound expansion to other countries, and mergers involving non-U.S. parties.

Average cost in Los Angeles: Varies / depends. International tax engagements are typically priced higher than standard tax prep due to complexity and risk. Many firms bill hourly (often in the low hundreds to higher hundreds per hour), while fixed-fee projects can range from a few thousand dollars to significantly more for multi-entity or multi-country work. Exact pricing depends on scope, deadlines, and the number of filings.

Licensing / certifications: There’s no single “international tax consultant” license. However, the work is commonly handled by:

• CPAs (licensed by the California Board of Accountancy)
• Enrolled Agents (EAs) (federally authorized to represent taxpayers before the IRS)
• Tax attorneys (State Bar licensed; often involved in controversy or complex structuring)
• Professionals governed by IRS Circular 230 when practicing before the IRS (where applicable)

Key takeaways

• International tax is often about both planning and compliance, not just filing.
• The highest risk is frequently information reporting (forms and disclosures), not just tax due.
• Cost is driven by complexity, documentation, and number of jurisdictions.
• Look for clear experience with inbound/outbound matters and international reporting.

How We Selected the Best International Tax Consultant in Los Angeles

We evaluated providers using practical, local-search-friendly criteria:

• Years of experience
• Noted when publicly stated; otherwise marked as “Not publicly stated” because team experience varies by office and engagement.
• Verified customer review signals (publicly available only)
• If we couldn’t confidently confirm consistent, attributable review signals for international tax services, we did not summarize them.
• Service range
• Cross-border compliance, advisory, business tax, and support for individuals and companies.
• Pricing transparency
• Whether pricing is clearly published; most international tax work is custom-quoted.
• Local reputation
• Clear presence serving Los Angeles-area clients (office presence and/or stated service coverage).

Only publicly available information is used where known. If a detail (like a direct office phone, named specialist, or review pattern) wasn’t confidently confirmable, it’s labeled “Not publicly stated” to avoid guesswork.

About Los Angeles

Los Angeles is a global business hub with deep ties to international trade, entertainment, real estate, technology, and professional services. With major airports, ports, and multinational employers, the region naturally generates demand for cross-border tax planning and compliance.

International tax needs are common among:

• Entrepreneurs with overseas contractors or customers
• Foreign investors buying U.S. real estate
• Executives on global mobility assignments
• Families with dual citizenship, inheritances, or foreign accounts

Key neighborhoods and nearby business corridors often served include Downtown Los Angeles, Century City, West Los Angeles, Santa Monica, Beverly Hills, Hollywood, Pasadena, Glendale, Burbank, Culver City, and parts of Long Beach (Greater LA). Exact service areas by firm are not publicly stated and may vary by engagement.

Top 5 Best International Tax Consultant in Los Angeles

#1 — Andersen Tax

• Rating (format: 4.7/5 or “Not publicly stated”): Not publicly stated
• Years of Experience: Not publicly stated (team-based; varies / depends)
• Services Offered: International tax advisory and compliance (inbound/outbound), cross-border structuring support, international reporting support (varies / depends), business tax services
• Price Range: Varies / depends (custom proposal; typically complex engagements)
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): https://www.andersen.com/
• Google Map or ProfessNow or Yelp Link (Leave it blank):
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Premium / complex cross-border business and high-complexity individual matters

#2 — BDO USA

• Rating (format: 4.7/5 or “Not publicly stated”): Not publicly stated
• Years of Experience: Not publicly stated (team-based; varies / depends)
• Services Offered: International tax services (varies / depends), corporate tax, cross-border advisory support, international compliance coordination, accounting and advisory services
• Price Range: Varies / depends (often proposal-based)
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): https://www.bdo.com/
• Google Map or ProfessNow or Yelp Link (Leave it blank):
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Mid-market businesses needing ongoing cross-border tax support

#3 — Grant Thornton LLP

• Rating (format: 4.7/5 or “Not publicly stated”): Not publicly stated
• Years of Experience: Not publicly stated (team-based; varies / depends)
• Services Offered: Tax advisory and compliance with international capabilities (varies / depends), support for inbound/outbound business issues, global mobility-related tax support (availability varies), entity tax services
• Price Range: Varies / depends (project and retainer models)
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): https://www.grantthornton.com/
• Google Map or ProfessNow or Yelp Link (Leave it blank):
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Established companies needing structured advisory and coordination across jurisdictions

#4 — RSM US LLP

• Rating (format: 4.7/5 or “Not publicly stated”): Not publicly stated
• Years of Experience: Not publicly stated (team-based; varies / depends)
• Services Offered: International tax services (varies / depends), cross-border planning support, business tax compliance, transaction support with international considerations (availability varies)
• Price Range: Varies / depends
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): https://rsmus.com/
• Google Map or ProfessNow or Yelp Link (Leave it blank):
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Growing businesses and cross-border expansions that need scalable support

#5 — Moss Adams

• Rating (format: 4.7/5 or “Not publicly stated”): Not publicly stated
• Years of Experience: Not publicly stated (team-based; varies / depends)
• Services Offered: Tax services with international support (varies / depends), business tax compliance, cross-border consulting, advisory services for privately held and mid-market organizations
• Price Range: Varies / depends
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): https://www.mossadams.com/
• Google Map or ProfessNow or Yelp Link (Leave it blank):
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Mid-market and privately held companies needing ongoing advisory (not one-off filings)

Comparison Table

Cost of Hiring a International Tax Consultant in Los Angeles

Average price range: Varies / depends. In Los Angeles, international tax is commonly priced either hourly (often in the low-to-high hundreds per hour) or as a fixed-fee project. Simple consults may be a smaller, defined fee; multi-country, multi-entity work can become a substantial engagement.

Emergency pricing: Some firms can expedite work around filing deadlines, notices, or transaction closings, but rush availability and pricing are not publicly stated and often depend on staffing and complexity. Expect expedited timelines to cost more when available.

What affects cost: International tax is scope-driven. The biggest pricing swings come from the number of forms, entities, and jurisdictions, plus the quality of your records.

Common cost factors include:

• Number of countries involved and whether treaty positions are needed
• Individual vs. business scope (and number of entities/owners)
• International information returns required (varies by facts and circumstances)
• Bookkeeping quality and documentation completeness
• Deadline pressure (rush work) and ongoing representation needs
• Whether prior-year cleanup or amendments are required

Frequently Asked Questions (FAQ)

How much does a International Tax Consultant cost in Los Angeles?

Varies / depends. Many charge hourly in the low-to-high hundreds per hour, and project fees often range from a few thousand dollars upward for complex cross-border compliance or structuring. The exact cost depends on forms, entities, and urgency.

How to choose the best International Tax Consultant in Los Angeles?

Start with your fact pattern (inbound, outbound, foreign accounts, foreign owners, cross-border payroll). Then ask about relevant experience, who will do the work, expected filings, timeline, and how they handle documentation and follow-up questions.

Are licenses required in Los Angeles?

There’s no single license titled “International Tax Consultant.” Common qualified professionals include CPAs, Enrolled Agents, and tax attorneys. Confirm the credentials of the individual leading your engagement and ask who signs the returns.

What documents should I prepare before my first appointment?

Bring prior-year tax returns, entity documents (if any), foreign income statements, foreign tax paid records, and account details for any foreign financial accounts. If you’re unsure what applies, ask for an intake checklist.

Can an International Tax Consultant help with IRS notices related to foreign reporting?

Often, yes—depending on the firm and the nature of the notice. Ask whether they provide representation, respond to IRS correspondence, and help with documentation for international information reporting issues.

Do I need an international specialist if I already have a local CPA?

If you have foreign income, foreign accounts, foreign entities, non-U.S. owners, or treaty questions, specialist support is usually worthwhile. Many local CPAs handle standard returns but may not routinely manage cross-border filings or planning.

Who offers 24/7 service in Los Angeles?

24/7 availability is not typical for tax consulting firms and is not publicly stated for the providers listed. If you have an urgent deadline (closing, notice, or filing), ask about expedited scheduling and after-hours communication policies.

Can these firms work remotely if I’m not currently in Los Angeles?

Often, yes—many international tax engagements are document-driven and can be handled remotely. Remote availability, secure upload processes, and meeting formats vary by firm and engagement.

How far in advance should I hire an International Tax Consultant?

For planning (moves, entity setup, transactions), aim for weeks to months in advance. For compliance-only work, earlier is still better—especially if multiple countries, entities, or prior-year cleanup is involved.

What questions should I ask before signing an engagement letter?

Ask what’s included (and what’s not), who your day-to-day contact is, expected turnaround time, how revisions are handled, estimated total fees, and whether they coordinate with foreign advisors when needed.

Final Recommendation

Choose based on complexity and how ongoing your needs are:

• If you need high-complexity cross-border structuring or have a multi-entity international footprint, start with a provider positioned for premium, technical international work such as Andersen Tax.
• If you’re a mid-market company needing recurring compliance and advisory support, consider BDO USA, RSM US LLP, or Moss Adams, depending on fit and industry alignment (varies / depends).
• If you want a firm that can support broader advisory coordination alongside tax (for established organizations), Grant Thornton LLP is a strong option to evaluate.

For any firm, the most important “best” factor is whether the specific team you’re assigned has recent experience with your exact cross-border fact pattern—ask direct questions before committing.

Get Your Business Listed

If you’re a International Tax Consultant in Los Angeles and want your details added or updated, email contact@professnow.com. You can also registe & Update yourself at https://professnow.com/.