For tax practices with expat clients · US · UK · Spain

Cross-border clients. Filing-ready data.

Your expat clients connect their accounts once. You get the balances, gains and foreign tax each form needs, organised by country.

  • FBAR, Form 8938 and Schedule D data for US filers
  • SA106 and SA108 inputs for UK Self Assessment
  • Modelo 720 and 721 asset declarations for Spain

Shared data pack · Tax year 2025

John Alvarez

US citizen · Tax resident in Spain

Access granted
  • Brokerage account$142,900
  • Checking account$18,420
  • Current account€36,210
  • Stocks & shares ISA£22,050
  • FBARReady
  • Form 8938Ready
  • Modelo 720Ready
  • Schedule DReview

Updated today · Client can revoke access anytime

Before and after

Days of back and forth, or minutes

Today, and with Aequify.

Today

Per client, every season

  1. Questionnaire
  2. Follow-ups
  3. Documents
  4. Spreadsheet cleanup

Days of back and forth

With Aequify

Client connects once

  1. Connect accounts
  2. Data collected
  3. Shared with you
  4. Ready to prepare

Minutes, not days

  1. 01

    No statements to chase

    Clients connect their own bank, brokerage and pension accounts.

  2. 02

    Organised by account and country

    Balances, gains and foreign tax, grouped the way each form needs.

  3. 03

    Preparing, not cleaning

    Review the pack and export it to your tax software.

Form by form

What arrives ready, form by form

What arrives ready for US, UK and Spanish returns.

  • United States

    IRS · FinCEN

    US citizens and green-card holders, wherever they live

    Key dates

    15 April
    Form 1040 and FBAR due
    15 June
    Automatic extension for taxpayers abroad
    15 October
    Extended deadline for 1040 and FBAR

    Supporting data Aequify organizes

    FinCEN 114 (FBAR)
    Highest balance of every foreign account
    Form 8938
    Foreign assets checked against FATCA thresholds
    Form 8949 · Sch. D
    Sales and gains from brokerage accounts
    Form 8621 (PFIC)
    Foreign funds flagged for PFIC review
  • United Kingdom

    HMRC

    UK residents with income or assets abroad

    Key dates

    5 October
    Register for Self Assessment
    31 January
    Online return and balancing payment
    31 July
    Second payment on account

    Supporting data Aequify organizes

    SA100
    Self Assessment return on worldwide income
    SA106
    Foreign income and foreign tax credit relief
    SA108
    Gains on overseas disposals
    FIG regime
    Foreign income and gains of new arrivals
  • Spain

    Agencia Tributaria

    Tax residents of Spain with assets outside Spain

    Key dates

    1 Jan – 31 Mar
    Modelo 720 and 721 declarations
    Apr – 30 Jun
    IRPF campaign (Modelo 100)

    Supporting data Aequify organizes

    Modelo 100
    Annual IRPF return on worldwide income
    Modelo 720
    Foreign accounts, securities and property over €50,000
    Modelo 721
    Crypto held with providers outside Spain
    Modelo 151
    Special regime for inbound workers (Beckham law)

30+ countries supported...

Free tool

Have a client moving abroad?

Run them through the Expat Client Exposure Check: six questions, and you see custodian restrictions, FBAR, Form 8938, PFIC and local reporting risk before they call you.

Try the Exposure Check

Sample data pack

See exactly what your team receives

Every foreign account, its highest and year-end value, in USD.

FBAR schedule · Tax year 2025

Sample client · US citizen, tax resident in Spain

Sample
AccountInstitutionCountryMax value (USD)Year-end (USD)
Current account[Spanish bank]ES$41,880$39,450
Savings account[Spanish bank]ES$12,600$11,940
Stocks & shares ISA[UK broker]UK$29,310$28,020
Pension[UK provider]UK$88,200$86,750

4 foreign accounts · aggregate max value$171,990

Get the sample data pack

An example FBAR schedule and Modelo 720 asset list, sent to your work email.

One email with the sample. No mailing list.

The client invite

From invite to a ready data pack in four steps

  1. 01Day 1

    Invite a client

    j.alvarez@email.comSend
    J. AlvarezInvited
    M. ChenPending

    Step 1

    Invite your clients

    Send an invite link. Clients sign up in minutes.

  2. 02Minutes

    Connected accounts

    US · BrokerageConnected
    UK · ISAConnected
    ES · Current acctSyncing

    Step 2

    They connect accounts

    Bank, investment and card accounts, through read-only connections.

  3. 03Same day

    Data pack · 2025

    FBARReady
    Modelo 720Ready
    SA106Ready

    Step 3

    You receive the data pack

    Balances, gains and foreign tax, grouped by account and country.

  4. 04Ready to export

    Data pack · J. Alvarez

    Ready for your review

    FBAR, 8938 and Modelo 720 data complete

    Exported to your tax softwareDone

    Step 4

    Review and prepare

    Export the pack to your tax software and prepare the returns. Filing stays with you.

Requests

Ask clients for what you still need

  1. You request FBAR (FY 2025)
  2. Shows in their next steps
  3. Shared with you

Status per client in your workspace

Time saved

Take hours out of data collection

Less manual work behind every cross-border return.

  • FBARFinCEN 114

    What your team no longer does

    • Requesting a statement from every foreign bank
    • Finding each account’s highest balance in the year

    Arrives ready

    Account list with highest and year-end values in USD

  • Form 8938FATCA

    What your team no longer does

    • Listing every specified foreign asset
    • Valuing each asset at its highest and at year end

    Arrives ready

    Asset list with values, ready for the FATCA check

  • Modelo 720Agencia Tributaria

    What your team no longer does

    • Gathering accounts, securities and property held abroad
    • Sorting assets into the three Modelo 720 categories

    Arrives ready

    Assets by category, with year-end and Q4 balances

Case studyU.S.–Spain cross-border tax firm

How a cross-border tax firm transformed data collection

A CPA firm serving U.S. expats in Spain moved client onboarding to Aequify. Collecting complete client information used to take 39 days.

“This season felt much more under control. We weren’t rushing, and we were able to ensure that the client experience remained calm and well managed.”
Chief Executive OfficerU.S.–Spain cross-border tax firm
Book a 15-minute call

See it with your own client data

The results

183 clients · Feb to Jun 2026

79%

less time collecting client data

39 days8 days

95%+

less admin for FBAR, Form 8938 and Modelo 720

11 hours25 min

20%

higher prospect conversion

From a simpler onboarding

What changed

  • A questionnaire pre-populated about 88% of client information
  • New information updated the client’s profile automatically

Work with advice firms

Get clients referred by advice firms

Advice firms refer clients who need tax help, or add you to a joint client for the tax service. Account data arrives already connected.

Book a 15-minute call

Referral from [Advice firm]

US · ES

US citizen in Málaga · Needs FBAR and Modelo 720

Joint client · Moving to Spain

The Alvarez household

Group chat open
  • A[Advice firm]Investments and pensions · Main contactReplied
  • Y[Your practice]US and Spanish tax returnsReplied
  • L[Law firm]Residency and visasWaiting

Advisors in the marketplace are independent professionals, not Aequify representatives.

Privacy and control

Read-only, encrypted and consent-first.

  • Bank Grade Security

    Encrypted in transit and at rest, with two-factor sign-in.

  • Read-only connections

    Aequify can view balances and transactions. No one can move money.

  • Client-controlled access

    Clients choose what you see and can revoke it any time.

  • SOC II Certification

    Security controls reviewed by an independent auditor.

Ask AI for a summary about Aequify

Your questions, answered

Before you invite your first client.

Make this filing season your easiest one.

Book a 15-minute call to see a sample data pack for your clients.