Hiring a website agency before the company can describe the buyer produces a proposal about pages and timelines. Those numbers are not comparable until the enquiry path, the languages, and the ownership are written down.
Buyer and action
Name the person who must act: procurement, a technical lead, a dealer, an existing customer. A site written for “everyone” becomes a menu with no order.
Name the one action that counts: request a proposal, download a document, book a conversation, find a dealer. Three equal buttons teach the visitor to do none of them.
Say who approves the copy. If marketing, management, and IT each meet the agency alone, the site is rebuilt at the review.
Languages and proof
List the markets that are actually sold. A Turkish, German, or English page is not a switch on the same text. Buyers in each market ask different questions about delivery, the legal entity, and who replies.
Put proof the buyer can check: the real process, the real product, certificates that exist. Invented testimonials and borrowed results do not survive a procurement review.
Ownership, measurement, care
Domain, hosting, analytics, and the form sit on company accounts. An agency login is access, not ownership. The handover lists code, design, and accounts, with a date.
Decide which events matter: form submit, a named call to action, the proposal page. Without that, later ads and SEO work comment on traffic, not on enquiries.
Write who handles the first ninety days after launch. A site that goes live with no owner for content and errors is a finished file, not a commercial system.