# Optimise Accountants

> Optimise Accountants is a UK property tax and accountancy firm based in Nottingham, specialising in landlords, property investors, property developers, and US-UK cross-border tax clients. The firm is led by Simon Misiewicz (MBA, FCCA, ATT, IRS Enrolled Agent, IRS Certifying Acceptance Agent).

Optimise Accountants provides retained monthly accountancy services, one-off tax structuring, and specialist cross-border US/UK tax advisory covering Stamp Duty Land Tax (SDLT), Capital Gains Tax (CGT), Inheritance Tax (IHT), corporation tax, and IRS filings for Americans in the UK and Britons in the US. The firm also publishes free interactive tax calculators and a large knowledge base of UK and US property tax guidance.

## About

- [About Optimise Accountants](https://www.optimiseaccountants.co.uk/about/): Firm background, team, and credentials
- [Contact](https://www.optimiseaccountants.co.uk/contact/): Office address, phone, and enquiry form
- [Monthly Retainer Services](https://www.optimiseaccountants.co.uk/monthly-retainer/): Retained accountancy service packages

## Core Services

- [Services Overview](https://www.optimiseaccountants.co.uk/services/)
- [Property Tax Advice](https://www.optimiseaccountants.co.uk/services/property-tax-advice/)
- [Stamp Duty Land Tax Specialist](https://www.optimiseaccountants.co.uk/services/stamp-duty-land-tax-specialist/)
- [Capital Gains Tax Advice](https://www.optimiseaccountants.co.uk/services/capital-gains-tax-advice/)
- [Inheritance Tax Advisors](https://www.optimiseaccountants.co.uk/services/inheritance-tax-advisors/)
- [Property into a Limited Company](https://www.optimiseaccountants.co.uk/services/property-into-a-limited-company/)
- [Property Development Accounting](https://www.optimiseaccountants.co.uk/services/property-development-accounting/)
- [Property Company Formation Agents](https://www.optimiseaccountants.co.uk/services/property-company-formation-agents/)
- [Capital Allowances for Property](https://www.optimiseaccountants.co.uk/services/capital-allowances-property-experts/)
- [SSAS Pensions for UK Landlords](https://www.optimiseaccountants.co.uk/services/ssas-pensions-for-uk-landlords/)
- [International Pensions, SIPPs and QROPS](https://www.optimiseaccountants.co.uk/services/international-pensions-sipps-and-qrops/)

## US-UK Cross-Border Tax

- [International Tax Advisors](https://www.optimiseaccountants.co.uk/services/international-tax-advisors/)
- [1040 US Tax Return for Expats](https://www.optimiseaccountants.co.uk/services/1040-us-tax-return-for-expats-living-abroad-americans-british/)
- [What is an ITIN Number / Form W-7](https://www.optimiseaccountants.co.uk/services/what-is-an-itin-number-how-to-apply-form-w-7/)
- [US-UK Tax Treaty](https://www.optimiseaccountants.co.uk/knwbase/us-uk-tax-treaty/)
- [Americans Living and Paying Tax in the UK](https://www.optimiseaccountants.co.uk/knwbase/americans-living-and-paying-tax-in-the-uk/)
- [British Expats Paying Tax in the United States](https://www.optimiseaccountants.co.uk/knwbase/british-expats-and-paying-tax-in-the-united-states/)
- [Renouncing US Citizenship / Exit Taxes](https://www.optimiseaccountants.co.uk/knwbase/renouncing-us-citizenship-exit-taxes/)

## Knowledge Base

- [Knowledge Base Hub](https://www.optimiseaccountants.co.uk/knowledge-base/): Full library of UK and US property tax guides
- [SDLT Guide](https://www.optimiseaccountants.co.uk/knwbase/sdlt-guide/)
- [Section 24 Mortgage Interest Relief](https://www.optimiseaccountants.co.uk/knwbase/how-section-24mortgage-interest-relief-will-affect-uk-landlords/)
- [How to Minimise Inheritance Tax](https://www.optimiseaccountants.co.uk/knwbase/how-to-minimise-inheritance-tax/)
- [Capital Gains Tax Reporting on UK Property](https://www.optimiseaccountants.co.uk/knwbase/capital-gains-tax-reporting-uk-property/)
- [Using a Limited Company to Buy Property](https://www.optimiseaccountants.co.uk/knwbase/using-a-limited-company-to-buy-property/)
- [Furnished Holiday Lettings Tax Regime](https://www.optimiseaccountants.co.uk/knwbase/furnished-holiday-lettings-tax-regime/)
- [Buy Property in Florida, USA](https://www.optimiseaccountants.co.uk/knwbase/buy-property-in-florida-usa/)
- [US Rental Property Income Tax](https://www.optimiseaccountants.co.uk/knwbase/us-rental-property-income-tax/)
- [FIRPTA and the 1031 Exchange](https://www.optimiseaccountants.co.uk/knwbase/firpta-and-the-1031-exchange/)

## Notes

- Gated/transactional pages (portal login, portal register, customer dashboard, checkout) are intentionally excluded as they have no standalone informational value for AI systems.