Double-tax treaty provider
Greenback Expat Tax Services
US expat tax specialist
US tax treaties, the foreign tax credit, the foreign earned income exclusion and double-tax questions for US expats. Not a general corporate treaty adviser.
At a glance
- Provider type
- US expat tax specialist
- Global reach
- High
- Primary audience
- Americans living abroad
- Individual treaty analysis
- US expat context
- Corporate treaty analysis
- Limited
- Treaty residence
- US treaty context
- Double-tax relief
- Core
- Employment / income treaty issues
- US individuals
- Estate / inheritance capability
- Limited
- Social security / totalization
- US expat context
- Tax authority support
- IRS-related
What type of treaty adviser is this?
Greenback publishes a US expat tax practice. Treaty work is US tax treaties, the foreign tax credit, the foreign earned income exclusion and double-tax mitigation for Americans abroad. Corporate treaty analysis is published as limited. Local-country treaty interpretation may still need a local adviser.
A provider’s geographic network does not necessarily mean every office handles the same treaty issues.
Who it may suit
Greenback Expat Tax Services may be relevant to Americans living abroad.
Which country pairs can the provider coordinate?
Published global reach: High.
The published service is US-tax centric. Multi-jurisdiction capability — confirm the specific treaty and countries directly.
Treaty issues for individuals
Individual treaty analysis is published as strong in a US-expat context.
US tax treaties, the foreign tax credit, the foreign earned income exclusion and double-tax mitigation for US expats.
Treaty issues for businesses
Corporate treaty analysis is published as limited.
Treaty residence and tie-breakers
Treaty residence work is published in a US treaty context.
The exact sequence and wording depends on the treaty.
Foreign tax credits and double-tax relief
Double-tax relief is a published core of the practice, through the foreign tax credit and US expat rules.
WiT Access does not calculate relief or promise that foreign tax will be credited in full.
Employment and other income
Income and employment treaty issues are published as strong for US individuals.
Estate and inheritance treaty issues
Estate and inheritance treaty issues are published as limited. Specialist advice may be needed.
Social security and totalization agreements
Social security and totalization work is published in a US expat context.
Social-security agreements are separate from income-tax treaties.
What if the tax authorities disagree?
Authority support is published as IRS-related support and consultations.
Published support is not a statement that the provider will act as your legal representative.
How treaty advice is priced
Tax-preparation pricing is published by the provider. No figure is repeated on this page. Request a written scope and fee quote.
Questions to ask
These are questions for the provider. This page does not answer them.
Do you advise on the specific treaty between my two countries?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Do you analyse domestic law as well as the treaty?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you determine treaty residence?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you handle tie-breaker analysis?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Do you advise on foreign tax credits?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you review employment income under the treaty?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you advise on pensions?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you advise on investment income?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Do you support business treaty issues?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you advise on estate / inheritance treaty issues?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Do you handle totalization agreements?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you help obtain a tax-residence certificate?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you coordinate both jurisdictions?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Can you assist if the tax authority challenges the treaty treatment?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Which legal entity will advise me?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
What will the engagement cost?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
What documents do you need before advising?
Ask Greenback Expat Tax Services directly. The published material reviewed for this page does not answer this for your situation.
Sources and review
Reviewed 7 October 2026.
- Service page
https://www.greenbacktaxservices.com/
The provider’s published service description used for this page.
- Provider partnership page
https://affiliates.greenbacktaxservices.com/register
The provider’s own public page. It does not mean WiT Access has an agreement.
- Supporting public page
https://www.greenbacktaxservices.com/country-guide/
Further public material reviewed alongside the service page.
Information is based on publicly available provider information reviewed by WiT Access. Treaty wording, protocols, provider services and tax rules can change.
WiT Access provides general information and comparison resources. Treaty treatment depends on the relevant domestic laws, treaty wording, protocols, type of income and individual circumstances. Nothing on this page constitutes tax, legal, financial or investment advice.
WiT Access does not determine treaty residence, entitlement to treaty benefits or the amount of double-tax relief available.
A treaty may change taxing rights or provide relief without removing filing or reporting obligations.