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18 specialist services, grouped by business need.

One WONE Global Partner for each service in each market. Start from what you need to do, or go straight to a service.

People & firms

The WONE Global Partners in each market.

Named senior professionals, each admitted as the one firm for a service in their country, and the firms they lead.

For professional firms

Lead your service in your market.

One Partner per service, per jurisdiction, admitted by review against published criteria.

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Insights

Sourced answers on doing business across borders.

Every statement is labelled: source-checked, professionally reviewed or not yet checked, with its source and date where checked.

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Answers come from statements checked against official sources, with the sources shown. Research, not advice.

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Situations · Common situations · Markets, trade & operations

Competition, antitrust & market conduct

Investigations, dawn raids, merger control and agreements that may restrict competition. Usually for: businesses, trade associations, boards.

If it is urgent. If anyone is in immediate danger, call the local emergency services first. If you have been arrested, raided, served with a court order or told you face removal from a country, speak to a qualified lawyer in that country straight away. WONE Global can then help bring in and coordinate the other professionals involved, subject to their availability.

16 common situations

Find the one closest to yours

Where a situation has its own page, it opens there. Otherwise, bring it to WONE Global with your question already filled in.

  1. The competition authority has announced a dawn raid Urgent Full situation page →
  2. Competitors may be coordinating prices Bring this to WONE Global →
  3. Our exclusive distribution agreement is being challenged Bring this to WONE Global →
  4. A planned acquisition may require merger control clearance Bring this to WONE Global →
  5. A dominant supplier is refusing to deal with us Bring this to WONE Global →
  6. Our sales team may have exchanged sensitive competitor information Bring this to WONE Global →
  7. We need advice on resale price restrictions Bring this to WONE Global →
  8. An online marketplace is accused of discriminatory access Bring this to WONE Global →
  9. A trade association meeting created cartel concerns Bring this to WONE Global →
  10. A company is accused of predatory pricing Bring this to WONE Global →
  11. A state aid or subsidy issue affects an investment Bring this to WONE Global →
  12. A regulator is investigating misleading comparative advertising Bring this to WONE Global →
  13. An agency agreement could breach competition rules Bring this to WONE Global →
  14. We need to review restrictive clauses in a joint venture Bring this to WONE Global →
  15. Our franchise model is being challenged as anti-competitive Bring this to WONE Global →
  16. A whistleblower reports market-sharing arrangements Bring this to WONE Global →

First questions

What we will ask first

  1. 01Which authority, and which conduct or deal?
  2. 02Is an inspection under way now?
  3. 03Which countries' rules apply?
  4. 04What documents and people are involved?

The approach

How WONE Global usually approaches it

  1. Step 1Bring in competition counsel immediately for an inspection.
  2. Step 2Review agreements and conduct against each regime.
  3. Step 3Make filings or responses to the authorities.
  4. Step 4Put compliance controls in place.

What is needed varies by country and by matter. Your WONE Global professional confirms the work, timing and fees before anything starts.

Across borders

Complications to check

Issues to assess when more than one country is involved. They are prompts, not conclusions about any country's law.

  • Foreign investment controlsA proposed ownership change may require sector or national security clearance
  • Merger control timingA proposed transaction may need clearance in multiple markets
  • Environmental permit interfacesProjects cross regional, national or transboundary environmental regimes
  • Different laws of contractParties sign one commercial agreement but disagree which law governs duties, damages and remedies
  • Court vs arbitration forumAgreement uses arbitration while assets and key witnesses are in different countries

In depth

Situations with a full page

What is at stake, a worked scenario and how WONE Global handles it.

WONE Global Partners

Professionals who handle this work

Named professionals for these services. Where none is listed for your country, WONE Global names a vetted firm to you before any work starts, subject to availability and conflict checks.

Katherin Diaz VelillaBogotá · Colombia

WONE Global Capability Partner · Colombia

Katherin Diaz Velilla

Complete profile

Co-Founder · V&V Associates · Bogotá

International tax attorney and strategic advisor with 12+ years across Colombia's DIAN, Ministry of Finance, Senate, Presidency, and EY. Co-founder of V&V Asociados. Specializes in cross-border tax structuring, transfer…

Dr. Esteban Lucio MaccariBuenos Aires · Argentina

WONE Global Capability Partner · Argentina

Dr. Esteban Lucio Maccari

Managing Director · Maccari Adam & Asociados · Buenos Aires

He is a lawyer with a degree from the University of Buenos Aires and a degree in Spanish Law. He completed postgraduate studies in Strategic Business Management at the Polytechnic University of Madrid and the Glocoll at…

Roberto GilardinoShanghai · China

WONE Global Capability Partner · China

Roberto Gilardino

Regional Partner North Asia & additional countries · Horizons (Shanghai) Corporate Advisory Company · Shanghai

Roberto Gilardino is Regional Partner at Horizons, supervising the advisory’s activities in North Asia as well as additional countries (including Mongolia, Malaysia, Indonesia, Pakistan, UAE, Cyprus and Malta).

Editorial examples of situations that arise, not a list of WONE Global clients or matters. The specialist area is a way to find your situation, not a separate practice group.

WONE Global Intelligence

Ask about doing business across borders

Ask in your own words. Answers come from WONE Global's checked records, with every source shown, and end with the named Partner who can act. Go deeper on any point, or build a decision file.

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Tell us what has happened, and where.