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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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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 · Tax, finance & assurance

Due diligence, valuation & forensic accounting

Checking a business, a partner or a set of accounts before you rely on them, and valuing assets. Usually for: investors, acquirers, boards, litigants.

16 common situations · 1 usually cross-border

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. We need financial due diligence before buying a company Full situation page →
  2. An investment target has weak financial records Bring this to WONE Global →
  3. We suspect manipulation of inventory or revenue Bring this to WONE Global →
  4. A shareholder buyout requires an independent valuation Full situation page →
  5. An investor wants a source-of-wealth review Bring this to WONE Global →
  6. We need integrity due diligence on an overseas partner Usually cross-border Full situation page →
  7. A lender has requested a forensic funds-flow analysis Bring this to WONE Global →
  8. A transaction target may have hidden tax liabilities Bring this to WONE Global →
  9. We want to verify ownership of material business assets Bring this to WONE Global →
  10. A court dispute needs an expert financial damages report Bring this to WONE Global →
  11. A business needs valuation of its intellectual property Full situation page →
  12. A project needs environmental and social due diligence Bring this to WONE Global →
  13. We are reviewing sanctions exposure in a proposed investment Bring this to WONE Global →
  14. A family office needs due diligence on private investments Bring this to WONE Global →
  15. We need to investigate related-party transaction irregularities Bring this to WONE Global →
  16. We are assessing the quality of earnings of an acquisition target Full situation page →

First questions

What we will ask first

  1. 01What decision depends on the work?
  2. 02Which countries and entities must be covered?
  3. 03What standard will the report be held to: buyer, lender or court?
  4. 04What records are available?

The approach

How WONE Global usually approaches it

  1. Step 1Agree the scope and the standard.
  2. Step 2Coordinate professionals in each country to that scope.
  3. Step 3Deliver one report with the issues that matter.
  4. Step 4Support negotiation or proceedings that follow.

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.

  • Ultimate beneficial ownershipLayered ownership complicates identifying the persons behind a counterparty
  • Sanctions conflictsParties are subject to differing sanctions and licensing regimes

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.

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).

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…

Ulrike Berner, MBAMunich · Germany

WONE Global Capability Partner · Germany

Ulrike Berner, MBA

Managing Partner · BSP Berner Schaeffler & Partners GmbH · Munich

Ulrike Berner has been Managing Director and shareholder of BSP since 2021, leading the strategic direction, client relationships, and business development of the firm. She has extensive experience working with firms an…

Karin HorevTel Aviv · Israel

WONE Global Capability Partner · Israel

Karin Horev

Founding Partner · Horev & Co. Law Office · Tel Aviv

Adv. Karin Horev has been practicing corporate and commercial law for more than 20 years, with a focus on complex technology-related matters. Over the years, Karin has led a large number of complex and wide-ranging tran…

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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