Tax & accounting for the USA and UK
Tax, Bookkeeping & Accounting Services for US and UK Businesses
We keep your books accurate, file your returns on time with the IRS or HMRC, and plan ahead so you pay only the tax you owe. One dedicated accountant, fixed monthly pricing, no surprises.
- US: IRS, state & payroll filings
- UK: HMRC, VAT & Companies House
- Dedicated accountant, fixed fees

Where do you do business?
Choose Your Country
US and UK tax rules are completely different. We have specialists for each, so you get advice that fits the system you actually file in.
United States
Accounting & Tax Services in the USA
What we do
Accounting and Tax Services Built for Small Businesses
Bookkeeping
Monthly reconciliations, categorised expenses and clean reports, so you always know where your money is.
Tax Preparation & Filing
Business and personal returns prepared accurately and filed on time with the IRS, state agencies or HMRC.
Tax Planning
Year-round planning to use every deduction, credit and allowance you are entitled to, before the deadline, not after.
Payroll
Payroll runs, payslips and payroll tax filings handled for you in the US (941/940, W-2) and UK (PAYE/RTI).
Company Formation
Set up the right structure from day one: US LLCs and corporations, or UK limited companies.
Business Advisory
Cash flow, pricing and growth decisions backed by real numbers from your own books.
How it works
Getting Started Takes One Call
1. Free consultation
Tell us about your business, where you file and what is slowing you down.
2. Clear plan & fixed price
We send a plan and a fixed monthly fee. No hourly billing, no surprise invoices.
3. We handle it
Your dedicated accountant keeps the books, files the returns and keeps you ahead of deadlines.
Industries
Industry Experience That Saves You Time
Every industry has its own deductions, rules and reporting quirks. We already know yours.
- eCommerce & Amazon sellers
- Professional services & agencies
- Real estate & construction
- Healthcare & dental
- Technology & SaaS
- Restaurants & hospitality
- Manufacturing & distribution
- Automotive
- Non-profits
Why Tax Expert
Why Business Owners Choose Tax Expert
One dedicated accountant
You work with the same person every month, not a rotating team.
Fixed monthly pricing
Know your costs upfront. See plans on our pricing page.
US and UK expertise
Separate specialists for IRS and HMRC rules, including cross-border clients.
Works with your software
QuickBooks, Xero, Gusto, Shopify, Amazon and more.
FAQ
Frequently Asked Questions
Yes. We have separate specialists for US tax (IRS and state) and UK tax (HMRC and Companies House). If you have interests in both countries, we coordinate both sides.
Most clients pay a fixed monthly fee based on transaction volume and the services they need. See our pricing page or book a free consultation for an exact quote.
Yes. We prepare and file Self Assessment returns for sole traders, landlords, company directors and anyone with untaxed income. The online filing deadline is 31 January.
Yes. We set up US LLCs and corporations and UK limited companies, including for non-residents, and then handle the ongoing bookkeeping and filings.
We work in the software you already use, including QuickBooks, Xero, FreeAgent, Gusto and others. If you have nothing yet, we will recommend and set up the right one.
Book a free consultation or message us on WhatsApp. We will review your situation and send a clear plan with a fixed price.
Get a Free Consultation Today
Talk to a tax and accounting professional about your US or UK business. No obligation.
