Do you recommend ceramic coatings for commercial vehicles?
Quick answer: Sometimes. If the vehicle represents the business publicly and needs to stay clean between washes, a coating makes sense. For genuinely harsh working conditions, simpler protection and a regular wash plan usually suits better.
Commercial vehicles represent the company's image. Delivering food, turning up on a building site or visiting clients, arriving in a clean vehicle shows you are diligent and organised. A coating helps the vehicle stay clean and cuts the time employees spend washing it.
Some vehicles also carry extra investment -- specially ordered, modified, or kitted out with equipment. It pays to protect them with a coating so you can keep them on the road longer. If the truck is also your everyday vehicle, it is worth protecting to keep it looking good.
Even shiny new commercial vehicles have a tougher life than family cars. Higher mileages: long days on motorways and A-roads, often in all weathers. Harsher environments: building sites, farms, industrial estates and town centres bring mud, dust, salt and tight parking. Frequent washing: many vans see quick hand car washes or pressure washers several times a week. A coating helps in all three contexts -- the wash time drops, the grime sticks less, and the paint underneath is protected from the harshest chemistry the car wash spray-bar is using.
The honest exception: vans and lorries that are pure tools, written off in a few years, and never going to be presented to a customer in clean condition probably do not justify a full car-style correction and coating package. The judgement is whether the vehicle is going to earn back the coating cost in less washing, longer paint life, and brand presentation -- on a livery van for a high-end trade, yes; on a tipper that lives in mud, probably not.
For the broader "why have ceramic paint protection" answer, see What are the benefits of a ceramic coating?.