US LLC vs UK Ltd for Brazilian Founders: Taxes & Banking in 2026

A US LLC, particularly a single-member LLC owned by a non-US resident, is often considered a 'disregarded entity' for US federal income tax purposes. This means the LLC itself does not pay federal corporate income tax. Profits are passed through directly to the owner. This structure is common for service businesses or e-commerce operations not based physically in the US.

If the US LLC has no 'Effectively Connected Income' (ECI) that is, income generated from a US trade or business it generally avoids US federal income tax. An ECI filing obligation arises if you have a physical presence or employees in the US. You will still need to file Form 5472 and Form 1120 with the IRS annually, even with no US tax liability. Failure to file can lead to significant penalties, starting at $25,000 per year.

From Brazil's perspective, owning a US LLC means you, as the individual, are usually subject to Brazilian income tax on the profits generated by the LLC. Brazil has strict rules on reporting foreign assets and income. You will need to declare the income on your annual Brazilian income tax return (Declaração de Ajuste Anual).

It is crucial to consult with a Brazilian tax advisor to understand how the LLC's income is classified under Brazilian law. This often depends on whether the LLC is seen as a transparent or opaque entity by the Brazilian tax authorities. Double taxation treaties between the US and Brazil are limited and do not cover 'pass-through' entities like single-member LLCs in the same way they do C-Corps.

A UK Limited company is a separate legal entity from its owners, unlike an LLC. It is subject to UK corporate tax on its worldwide profits. The current UK corporate tax rate in 2026 is expected to be 25% for profits over 250,000 GBP, with a small profits rate of 19% for profits up to 50,000 GBP. This corporate tax applies regardless of where the owners reside.

As a non-resident director or shareholder, you will not automatically be subject to UK income tax on dividends received, unless you spend significant time in the UK. However, the company itself must comply with all UK tax obligations, including filing annual accounts and corporation tax returns with Companies House and HMRC.

Similar to the US LLC, income derived from a UK Limited company will be subject to Brazilian income tax for the Brazilian owner. This applies to both salaries and dividends. Brazil maintains a controlled foreign corporation (CFC) regime, which might impact how and when profits from the UK Ltd are taxed in Brazil, even if not yet distributed as dividends.

The double taxation treaty between the UK and Brazil can offer some relief, but its application is specific and often requires professional advice. Ensure you accurately report all foreign income and assets to the Brazilian tax authorities to avoid penalties.

Opening a US business bank account remotely for an LLC as a non-resident has become more streamlined but still presents challenges in 2026. Digital challenger banks like Mercury or Wise are popular options, but they often require verification documents and proof of business activity. Some traditional banks might accept in-person visits or specific registered agent services.

For a UK Limited company, remote banking is also feasible. Digital banks such as Wise, Revolut, or Starling Bank are commonly used by non-resident directors. Traditional UK high street banks generally require a UK physical address and an in-person meeting, making them less accessible for fully remote Brazilian founders.

Maintaining a US LLC involves annual registered agent fees (typically $100 to $300), state annual report fees (varying by state, e.g., Wyoming is $60, Delaware is $300), and compliance costs for tax filings. Expect to pay at least $1,500 to $3,000 annually for registered agent, state fees, and basic tax filing services for a single-member LLC.

A UK Limited company incurs annual Companies House filing fees (around 13 GBP for online filing), and accounting costs for annual accounts and corporation tax returns, which can range from 800 GBP to 2,500 GBP or more depending on business activity. Both options require careful record-keeping and adherence to local regulations in their respective jurisdictions and in Brazil.