Where modern enforcement bites hardest. A snapshot of audit intensity, anti-abuse posture, and cross-border recoveries across the jurisdictions our clients meet most.
Composite score weighing audit rate, PPT enforcement intensity, and average cross-border recoveries. Higher means more friction for international structures.
| # | Jurisdiction | Authority | Risk Score | Audit Rate | PPT Pressure | Annual Recoveries |
|---|---|---|---|---|---|---|
| 01 | France | DGFiP | 94 | 12.4% | Very High | €14.6B |
| 02 | Germany | BZSt | 91 | 10.8% | Very High | €11.2B |
| 03 | Italy | Agenzia delle Entrate | 89 | 9.7% | High | €10.9B |
| 04 | Spain | AEAT | 87 | 9.1% | High | €8.4B |
| 05 | United Kingdom | HMRC | 85 | 8.3% | High | £9.1B |
| 06 | Australia | ATO | 83 | 7.9% | High | A$6.7B |
| 07 | United States | IRS LB&I | 82 | 7.4% | High | $24.3B |
| 08 | Canada | CRA | 78 | 6.8% | Medium | C$5.2B |
| 09 | Netherlands | Belastingdienst | 74 | 5.9% | Medium | €3.8B |
| 10 | Mexico | SAT | 72 | 5.4% | Medium | MX$98B |
Sources: OECD Tax Administration 2024, national tax authority annual reports, EU Tax Observatory. Figures are indicative composites for orientation, not legal advice.
Authorities with a lighter enforcement footprint on cross-border structures. Lower audit intensity, rules-based posture and predictable ruling practice.
| # | Jurisdiction | Authority | Risk Score | Audit Rate | PPT Pressure | Posture |
|---|---|---|---|---|---|---|
| 01 | United Arab Emirates | FTA | 18 | 0.6% | Very Low | Light-touch enforcement, treaty-friendly |
| 02 | Singapore | IRAS | 22 | 1.1% | Low | Rules-based, predictable rulings |
| 03 | Switzerland | FTA / Cantons | 26 | 1.4% | Low | Advance tax rulings widely available |
| 04 | Hong Kong | IRD | 28 | 1.6% | Low | Territorial system, narrow audit focus |
| 05 | Ireland | Revenue | 31 | 1.9% | Low | Cooperative compliance frameworks |
| 06 | Luxembourg | ACD | 33 | 2.1% | Low | Strong ruling practice, stable doctrine |
| 07 | Malta | MTCA | 35 | 2.3% | Low | Refund regime, limited cross-border friction |
| 08 | Cyprus | Tax Department | 37 | 2.5% | Low-Med | Treaty network, moderate scrutiny |
| 09 | Estonia | EMTA | 39 | 2.7% | Low-Med | Digital-first, deferred profit tax |
| 10 | Portugal | AT | 42 | 3.1% | Medium | Selective targeting, NHR legacy cases |
Where companies are most often incorporated for tax efficiency — and where aggressive authorities focus their cross-border challenges, denials and recoveries.
| # | Jurisdiction | Challenged By | Challenge Rate | Top Issue | Annual Exposure |
|---|---|---|---|---|---|
| 01 | Luxembourg | France, Germany, Italy, Spain | 47% | Substance / POEM | €3.1B |
| 02 | Netherlands | Germany, France, UK, Italy | 44% | Conduit / PPT | €2.8B |
| 03 | Ireland | France, Germany, UK, US | 41% | IP migration / PPT | €4.2B |
| 04 | Cyprus | Italy, Germany, Spain | 39% | Beneficial ownership | €1.4B |
| 05 | Malta | Italy, Germany, France | 37% | Refund regime / PPT | €0.9B |
| 06 | Switzerland | France, Italy, Germany | 34% | POEM / dual residency | €1.7B |
| 07 | UAE | France, Spain, Italy | 32% | Substance / POEM | €1.1B |
| 08 | Singapore | Australia, UK, France | 29% | Substance / PPT | €1.3B |
| 09 | Hong Kong | Australia, UK, US | 27% | Source / beneficial owner | €0.8B |
| 10 | BVI / Cayman | France, UK, Germany, US | 52% | Economic substance | €2.6B |
Challenge rate = share of audited cross-border structures whose treaty benefits or residency were contested over the last 5 years. Indicative composites, not legal advice.
See your Defensive Risk Score against any of these authorities.
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