In a cross-border acquisition, Day 1 coincides with the first working day after closing in multiple jurisdictions, multiple languages and multiple sets of expectations at once. What you communicate that day, and what you don't, largely determines whether employees, customers and regulators see the acquisition as an orderly process or as a surprise they have to respond to on their own.
The order of communication is not a matter of protocol but a matter of risk. In many jurisdictions there is a duty to inform or consult works councils or trade unions before employees are informed more broadly, and failing to follow this can affect the closing itself. At the same time, some regulators or stock exchanges expect a simultaneous public announcement. These two obligations can collide, and which one takes precedence depends on the country, the sector and the form of the deal. Who gets which moment is therefore not a communication choice but a legal one, and who decides what on Day 1 in a cross-border acquisition is the question that precedes it.
A Day 1 message that holds up across multiple countries generally contains a limited set of elements: that the transaction has closed, what concretely changes for the customer or employee that day and what doesn't, who the first point of contact is, and which decisions have not yet been made. That last point is often skipped, even though it is precisely what gives you room to shift course later without losing face. What actually needs to be arranged before this message can go out — contracts, systems, authorities — is described on what needs to be arranged on Day 1; communication follows those facts, not the other way around.
The message itself is usually a framework; the mandatory components within it differ by jurisdiction. In one jurisdiction, written notice to employees is required within a fixed period; in another, a shareholder notification takes the lead and employee communication is unregulated in form. Which steps apply for the countries in your deal is set out on which legal-form steps are Day 1 in a cross-border acquisition. Without that step, you run the risk that the central message is correct while the local obligation is missed.
What you may and must tell a customer or supplier on Day 1 often depends on provisions already set out in the contract: change-of-control clauses, exclusivity agreements, notification obligations upon a change of ownership. Informing a customer before a contractual obligation calls for it can cause unnecessary unrest; informing them too late can constitute a breach of contract. Which contracts should be reviewed in advance for this reason is set out on which contracts require Day 1 attention. That overview also determines which customers receive a personal message and which receive a generic notice.
Day 1 communication is not the moment to announce organisational structure, job titles or synergy plans. Decisions of that kind generally fall in the period afterwards, and getting ahead of them in the first message creates expectations that are not yet substantiated. Which decisions do belong in the first period, and at what point, is set out on which decisions belong in the first hundred days. The distinction between what is said now and what follows later is itself a message: it shows that there is a process, even when the outcome is not yet fixed.
Even in communication, the question applies whether everything you intend to say actually needs to be combined immediately. Some components — brands, customer systems, legal entities — are deliberately kept separate, sometimes for a long period, sometimes structurally. A Day 1 message that suggests integration on every front while that decision has not yet been made creates expectations you will later have to walk back. Uncertainty about what does and doesn't belong together is itself something to organise, and how you sort decisions by cost of uncertainty offers a framework for that, separate from the question of what you communicate.
The generators for the synergy baseline, the Day 1 plan and the Day 100 plan are designed to bring these dependencies — legal, contractual, organisational — together in a single overview before the text of a Day 1 message is drafted. The tool asks the questions and organises the dependencies; it does not write a message for you and it does not guarantee an outcome. The tool is under development. Anyone who wants to use it once it becomes available can sign up for the waiting list.
Drafting a Day 1 message in multiple languages and jurisdictions, with coordination between legal, HR and communications, consists of a series of sub-tasks that can be broken apart: translation, legal review per country, alignment of messages across levels. Which part of that work can be accelerated with AI, and which part cannot, is exactly what FTE TO AI's work scan looks at: it calculates, per task, which part of the work can be taken over, so you know where time can be gained before the clock starts running on Day 1.
Vraag maar wat er op Day 1 moet staan, of wat integreren juist kapotmaakt.
Answers come from this site’s knowledge base. Not tailored advice, and not a scan of your company.