Tax Stone

About · Fees

Fixed fees. Quoted up front. No surprises.

Indicative starting prices below. Every engagement is confirmed with a written scope and fee before any work begins — and the fee in your engagement letter is the fee, full stop.

Starting prices

Four common engagement shapes.

Most clients land in one of these four. The exact fee depends on the documents — the figures below are the floor for each category, with add-ons listed further down.

Simple expat 1040

Single filer, UK employment income

from£850+ VAT

The standard package for a US citizen or Green Card holder living in the UK with straightforward employment income.

  • Form 1040 with FEIE or Foreign Tax Credit modelling
  • FBAR (FinCEN 114) where required
  • Schedule B and Form 8938 if thresholds are met
  • EA representation on any IRS notice that follows
  • Plain-English commentary on every position taken
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MOST COMMON

Expat with investments

ISAs, OEICs, brokerage, UK pensions

from£1,500+ VAT

When the UK side has more than a current account — ISAs and unit trusts trigger PFIC rules, pensions need treaty disclosure.

  • Everything in Simple expat 1040
  • PFIC reporting (Form 8621) per holding
  • Treaty disclosures (Form 8833) on UK pensions
  • Form 8938 with full asset detail
  • QEF / mark-to-market election guidance
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Streamlined catch-up

Multi-year non-filers wanting back into compliance

from£2,200+ VAT

Three years of returns + six years of FBARs + the non-willfulness narrative. Scoped per case based on document availability.

  • 3 years of Form 1040 with all schedules
  • 6 years of FBARs
  • Form 14653 non-willfulness certification
  • Reasonable-cause narrative drafted with you
  • Streamlined-procedure submission and IRS follow-up
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Business tax

LLCs, partnerships, S-Corp, C-Corp, Form 5471

Quote-based+ VAT

Cross-border business filings — entity selection, K-1 distribution, foreign-shareholder structures. Priced per filing and complexity.

  • Federal business return (1120 / 1120-S / 1065)
  • State returns where nexus exists
  • K-1 issuance for partners / shareholders
  • Form 5471 / 8865 / 8858 for foreign entities
  • Entity-election filings (2553, 8832) when needed
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Add-ons

The line items that show up most often.

Additional PFIC holdings

Each Form 8621 after the first.

£90 / holding
State return

California, New York, etc — added per state where required.

£150 / state
Form 5471 (foreign corporation)

Per category-of-filer treatment.

from £450
Amended return (Form 1040X)

To capture missed credits, treaty positions, or prior-year errors.

from £400
IRS notice response

Charged separately at hourly rates only on returns prepared by another firm.

Included on returns we filed

All fees exclude UK VAT (currently 20%). Add-ons are quoted in your scope document before any work begins.

Fee FAQs

The questions we get most about pricing.

Tax preparation isn't a creative profession — most engagements have a defined scope and a defined output. Hourly billing puts the wrong incentive on the preparer (slower work = more revenue) and creates anxiety for the client. Fixed fees solve both.

Request a quote tailored to your situation.

Most quotes are back to you within 2 working days. The quote is the floor; the fee in your engagement letter is the fee.