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PROCESS & TIMELINE

Cross-Border M&A Process and Timeline

Updated June 2026

Windsor Drake runs cross-border sell-side processes for founders selling to U.S. acquirers. A cross-border sale takes longer than a domestic one for predictable reasons: dual-jurisdiction diligence and regulatory approvals. Knowing where the time goes lets a founder prepare in parallel and keep the process moving rather than stalling at the back end.

THE STAGES

The Stages of a Cross-Border Sale

Preparation and quality-of-earnings, data room build, curated outreach to U.S. buyers in parallel, indications of interest, management meetings, letters of intent, confirmatory diligence, and legal documentation to close. The competitive phase is identical to a domestic process; the cross-border work runs alongside it and at the back end.

WHAT ADDS TIME

What Adds Time Versus a Domestic Deal

Three things: diligence that spans two legal and accounting systems, currency and tax-treaty structuring, and any regulatory clearance a change of control triggers. Each is manageable, but each adds calendar time that a domestic deal does not carry.

The most common cause of slippage is leaving structure and approvals until a buyer surfaces them. Mapping them before launch keeps the timeline tight.

DILIGENCE

Diligence Across Jurisdictions

  • Financial diligence and quality-of-earnings on a U.S. reporting basis
  • Legal review of contracts, IP, and employment across both countries
  • Tax structuring under the relevant treaty
  • Regulatory mapping (e.g., CFIUS, home-country review) early, not late

Running these workstreams in parallel, rather than sequentially after an LOI, is the difference between a six-month and a nine-month deal.

APPROVALS

Regulatory Approval Windows

Where a review applies, its clock runs largely outside the parties’ control, so it should be scoped at the start. For most founder-scale technology and services deals no substantive review applies, but confirming that early removes the largest source of timeline risk.

A REALISTIC TIMELINE

Signing to Close, and the Full Picture

  • Preparation and data room: 2 to 4 weeks
  • In market to indications of interest: 4 to 6 weeks
  • Management meetings and letters of intent: 3 to 5 weeks
  • Confirmatory diligence and documentation: 8 to 12 weeks
  • Plus any regulatory approval window on the back end
COMMON QUESTIONS

Cross-Border M&A Process and Timeline: FAQ

Typically five to eight months from launch to close, versus four to six for a comparable domestic deal. The difference is cross-border diligence and any regulatory approvals.

Usually the back end: confirmatory diligence across two jurisdictions and any required regulatory clearance, whose timing is outside the parties’ control.

Yes, materially, by preparing U.S.-standard financials and a clean data room before launch and by mapping structure and approvals up front so workstreams run in parallel.

Before the process launches. Confirming whether a review applies, and its likely window, removes the biggest source of timeline uncertainty.

The competitive logic is the same; the outreach simply targets the U.S. buyer universe and the materials are prepared to U.S. expectations.

The advisor coordinates the process and diligence; tax and legal counsel in both jurisdictions handle structure and approvals. Windsor Drake manages the process end to end.

CONFIDENTIAL INQUIRY

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