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The ARKK Automation Platform- Website Slider-2
FATCA and CRS Reporting
You Can Count On
One validated XML process, across 100+ jurisdictions, every year.

ARKK automates FATCA and CRS reporting for financial institutions, converting fund and account data into validated XML and centralising every jurisdiction into one dashboard. FATCA requires institutions worldwide to identify and report US persons to the IRS. CRS is the OECD's multilateral equivalent, under which over 100 jurisdictions exchange account holder tax residency data with each other.

Most firms still manage this with spreadsheet templates that break when a new jurisdiction joins CRS or a Nil Return is missed. With authorities now using AI to cross-check CRS data against other filings, the cost of an XML error or late submission has never been higher. ARKK removes that risk, validating every return against each jurisdiction's schema before you file.

How ARKK automates FATCA and CRS

The ARKK Automation Platform scales to any FATCA and CRS obligation, combining automation with manual input across workflows, team roles, and data access, with built-in validation to catch schema errors before you file.

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Aggregate

Centralise all FATCA and CRS data across funds, entities, and jurisdictions into a single, governed data foundation.

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Calculate

Determine reportable balances, income, and account values per holder, validated against each jurisdiction's schema for consistency.

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File

Submission-ready XML filed to each authority's portal across 100+ jurisdictions, including automatic Nil Returns where required.

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Govern

Enterprise-grade governance with full accountability and an audit trail at every stage of the reporting lifecycle.

How the ARKK Automation Platform works

The Platform is modular, so whether you need the full FATCA and CRS process automated or just the final XML conversion, you only implement what you need and go live in weeks.

The ARKK Automation Platform for FATCA and CRS Reporting

The ARKK Automation Platform in action

ARKK FATCA and CRS Power BI dashboard showing reportable account totals, a world map of reportable FATCA exposure, and TIN validation summaries.
1 The Power BI dashboard shows your full FATCA and CRS position at a glance, from reportable totals and country exposure to validation, ready for review before you file.
ARKK FATCA and CRS reportability classification table, showing FATCA and CRS status applied automatically across 91,000+ account records.
2 A built-in classification engine determines FATCA and CRS reportability for every account holder automatically, applying the correct status across all records without line-by-line review.
ARKK Automation Platform FATCA and CRS data preparation workflow, showing uploaded TIN, account, and reference datasets ready for processing.
3 The Platform is source agnostic, pulling account and entity data from your existing systems into one governed workflow, no manual consolidation, no broken spreadsheet templates.

Why Tax and Finance leaders choose ARKK

Trusted by over 65% of FTSE companies, here is why enterprise tax and finance teams worldwide choose ARKK.

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Speed icon
Save time
Save time

Fund and account data is converted into validated XML automatically, cutting the manual correction work that clogs every filing window.

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Value icon
Maximise value
Maximise value

One source-agnostic platform ingests your data once and reuses it across FATCA, CRS, and other reporting obligations, with unlimited users at no extra cost.

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Risk icon
Mitigate risk
Mitigate risk

ISO27001-certified, with built-in validations that catch schema errors before submission, giving every FATCA and CRS return a secure, auditable trail.

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PowerBI icon
Gain visibility
Gain visibility

A single dashboard gives you a real-time view of filing status across all jurisdictions, so nothing slips through before a deadline.

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Stay compliant
Stay compliant

Jurisdiction schemas and requirements are kept current as new countries join the CRS list, including automatic handling of Nil Return obligations.

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Plan ahead
Plan ahead

Filing deadlines across all jurisdictions are visible months ahead, so your team can plan resourcing in advance rather than under time pressure.

Automate FATCA and CRS with ARKK

Partner-backed expertise

Our partner network brings together best-in-class advisory support and proven technology, giving you the guidance and tools to build in-house FATCA and CRS reporting capability at your own pace.

Learn why businesses trust ARKK for FATCA and CRS

Your dedicated Customer Success team provides expert guidance throughout onboarding and hands-on support around every reporting deadline.

The information that came back from ARKK was so clear and transparent.

Kreeson Thatiha, Head of Finance and Client Money, eToro

eToro

I was continually reassured of ARKK's technology and their commitment to customer service.

Darryl Alford, Finance Manager, DPD

DPD logo

ARKK were prepared to be more flexible with how we worked and how we were set up.

Alistair McClelland, Head of Tax, The University of Edinburgh

UOE blue

Simply outstanding service and a real pleasure to work with.

Chris Parsons, Production Director, Radley Yeldar

RY

ARKK are extremely responsive and supportive partners.

Janette Moriarty, Group Financial Reporting Director, Kerry Group

Kerry Group

ARKK are invaluable to us… I wouldn't consider another project without them.

Valentin Ramousse, Head of International Business Development & Partner, Emperor Works

Emperor

The speed and accuracy of implementation was incredible.

Akash Kalaiya, EMEA Tax Manager, Universal Weather and Aviation

UA

Request a demo

Let's discuss how ARKK can strengthen your FATCA and CRS reporting.

Complete the form opposite and our team will be in touch.

FATCA and CRS FAQs

+ What is FATCA and CRS reporting?

FATCA (Foreign Account Tax Compliance Act) is a US law requiring foreign financial institutions to identify and report information on their US account holders, while CRS (Common Reporting Standard) is the global equivalent covering 110+ participating jurisdictions. Both regimes require institutions to determine the tax residency of their account holders and report balances and income to the relevant authorities to prevent offshore tax evasion. Compliance is annual and submitted in XML, a process that is complex to manage manually across multiple jurisdictions, each with its own portal and schema.

+ How does ARKK automate FATCA and CRS compliance?

The ARKK Automation Platform delivers the complete process in four steps: aggregating data from any source system into a single governed environment, calculating reportable balances and values per account holder, filing submission-ready XML to each jurisdiction's portal, and providing enterprise-grade governance and a full audit trail across every stage. The platform is modular, so institutions can implement the full end-to-end process or simply the final XML conversion.

+ How long does it take to implement ARKK's FATCA and CRS solution?

The ARKK Automation Platform is designed to be operational in weeks, not months. The modular structure means implementation scope is defined by what you need, so institutions that require only the XML conversion component can go live faster than those implementing the full end-to-end process. Your dedicated Customer Success team provides guidance throughout onboarding and extended support around reporting deadlines.

+ Does ARKK integrate with existing fund and data systems?

Yes. The ARKK platform is source-agnostic, connecting to data from any system, whether an ERP, fund administrator feed, or spreadsheet-based process. Data is ingested once and reused across multiple reporting processes without limits on volume or complexity, removing the need to re-extract or reformat data for different jurisdictions.

+ How is data secured on the ARKK platform?

ARKK software is ISO 27001 certified, the internationally recognised standard for information security management. The platform includes customisable workflows, defined team roles, and built-in validations, ensuring that access controls and data integrity are maintained throughout the reporting lifecycle.

+ Does ARKK handle Nil Returns and new CRS jurisdictions?

Yes. ARKK automatically manages Nil Return obligations for jurisdictions such as the Cayman Islands, BVI, and the UK, where a return is required even with no reportable accounts. As new countries join the CRS list, their schemas are added to the platform, so your process does not break when your reporting footprint expands.

+ What are the risks of managing FATCA and CRS in house?

Many institutions still manage FATCA and CRS through spreadsheet templates with scattered ownership and limited controls. As scrutiny intensifies, these approaches create material risk: XML errors and miscategorised data lead to rejected filings, missed Nil Returns trigger easy regulator fines, and manual processes struggle to scale as jurisdictions and account volumes grow. With authorities now using AI to cross-check CRS data against other filings, data quality matters more than ever.