US & UK Property Accountants & International Expat Tax Specialists

Celebrating 20 years from 2003 to 2023

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Our US/UK property & expat advisors help you keep more of what you earn. 01

Maximise HMRC and IRS tax savings with our US/UK Property Specialist Advisors

Many expats and real estate property owners find that generic advisors fall short when it comes to providing the right advice when they need it.

That’s where Optimise step in. As property experts in UK/US, we support you as a British & American real estate property investment owner.

Proactive specialist international tax preparers that do their accounting homework 02

Keep more of what you earn

Many real estate property investors be it in the USA & the UK are not advised of all the right rental income tax deductions. We are real estate property advisors and will help you maximise those write offs.

Streamline your HMRC and IRS rental income submissions to the IRS & HMRC03

Expat & property accounting services

US & UK Rental income tax return services

We ensure you file your returns on time and are compliant

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US/UK Property & rental income accounting advisors

Our proactive advisors will find the very best legal & ethical IRS & HMRC tax breaks

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Your conduit with HMRC & the IRS

We shield you from HMRC and IRS enquiries

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It Pays To Get The Right Specialist Advisor 04

Streamlining returns to HMRC and the IRS for Americans & British Investors

Expats owning a real estate property investments in the US or the UK face many tax traps. Our international property accountants advise you to invest in the right tax structure before it is too late.

Let Optimise help you.


We understand UK & US expat & property rental income tax accounting 05

Demystifying the IRS & HMRC complexities as a property investment owner

Our expert team of property specialisms includes US international expat tax preparers (EA) and UK qualified accountants (ACCA & ATT) who provide support to individuals with advice about their property investments in both the US and the UK.

Our goal is to help you stay compliant with the reporting requirements and pay the least amount to the IRS and HMRC.

US & UK accounting & reporting with the Internal Revenue Service (IRS) and HMRC 06

Trusted by thousands of UK US expats who want to file correct IRS and HMRC returns

Our US / UK Services07


UK Self Assessments

£99.95 inc VAT/mo

What's included?

  • Tax Return to HMRC
  • Dedicated UK based ACCA Specialist
  • Pre & post year end reviews
  • Detailed onboarding call
  • Unlimited 30-minute calls
  • 0 to 999 properties same price
  • 2 working day email turnaround
  • Meeting notes sent in 24 hours
  • HMRC investigation insurance
Learn more

UK Limited Company Accounts

£129.95 inc VAT/mo

What's included?

  • Returns to Companies House & HMRC
  • Dedicated UK based ACCA accountant
  • Pre & post year end reviews
  • Detailed onboarding call
  • Unlimited 30-minute calls
  • 0 to 999 properties same price
  • 2 working day email turnaround
  • Meeting notes sent in 24 hours
  • HMRC investigation insurance
Learn more

US 1040 Returns

£149.95 inc VAT/mo

What's included?

  • Dedicated UK/US qualified accountant
  • 1040 Returns to the IRS
  • Inc forms FBAR, 1116, 2555, 5471, more
  • Pre & post year end reviews
  • IRS agent
  • Unlimited tax support
  • 60-minute onboarding call
  • 2 working day email turnaround
  • Meeting notes sent in 24 hours
Learn more

Do I need a an accountant near me?

Meeting with your advisor was essential, in the past. We use online platforms to book calls with our qualified (ACCA/ATT/EA) specialists when you want them. These meetings are hosted live and recorded so that you can replay them anytime. This is not possible with face-to-face meetings. So now we do not believe you need “an accountant near me?”.

Book a tax call

Its all about you 08

Tell us more about you

    Advice when you need it most09

    Explore US & UK property & Expat Guides

    Stay up to date with the latest IRS & HMRC legislation

    Get Access to the Knowledge Base
    Buying property though a limited company SPV
    Standard industrial classification of economic activities (SIC)A private limited company is simply a limited company. You may hear them called by d different names such as As property tax specialists we often see questions as you will see below. The question always arises buy to let limited company or not? The next question is how […]
    British UK citizens (foreigners) buying a house in the United States (US)
    As UK/US ex-pat tax experts, we know that buying an investment property in the USA can be a daunting prospect. This certainly applies to many of our clients looking to buy one or more properties as investments. The first and foremost question that many of our clients ask is ‘Can foreigners buy investment property in […]

    Book a call to see how we can help you.


    Consultation options.

    We offer the two following options for initial consultations.


    Our Ongoing Accountancy Services

    We charge on a fixed monthly fee

    • - Accounts submitted to HMRC & Companies House

    • - Tax support when needed (no extra charge)

    • - An holistic review of your tax structure and future plans

    • - Annual tax return review to discuss future tax plans


    Tax Call + Report + Video Recording

    Want tax advice right now? Book today

    • - Upload your questions in advance

    • - A qualified tax advisors discuss the very best solution with you

    • - A tax report & meeting recording is sent within 48 hours

    • - Clarification questions are answered via email

    Booking your appointment.




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