A Monaco chauffeur service is a private car and driver reserved ahead of time at a fixed euro price. For the leg from Nice Côte d'Azur airport it is a VTC (voiture de transport avec chauffeur): the vehicle is listed on France's national VTC register, the driver holds a carte professionnelle VTC, and under the Code des transports and the 2016 Grandguillaume law it may carry only passengers who booked in advance. It cannot cruise for fares or sit at the airport without proof of a booking, and a RYDES reservation is exactly that proof. Whether you need a Nice airport transfer to Monaco, an hourly car service in Monte-Carlo or a black car for a meeting at the Grimaldi Forum, RYDES arranges the booking and a licensed operator drives it.
The border is what makes Monaco different. The Principality runs its own taxis, and a French VTC needs a Monaco permit to collect passengers inside it. Drop-offs in Monaco are routine; for pickups inside the Principality, dispatch assigns an operator authorised to pick up there. You do not need to know which side of the line your hotel sits on. Beausoleil and Cap-d'Ail are in France even where the street feels like Monaco, and the booking handles that without a question to you. A reserved Monaco car service also settles the price before you fly: 10 percent VAT, A8 tolls and the drive down from the motorway are already in it.
The same reservation covers the whole coast. Nice airport to Monaco and Nice airport to Menton on arrival day, then Monaco to Cannes and Antibes to the west, Sanremo and Genoa to the east, and a meeting at the Monaco heliport for anyone arriving by air from Nice. Visitors weighing the €95 airport taxi against a booked car will find both laid out on the Monaco taxi alternative page, and companies sending people for the Grand Prix, Top Marques or the Yacht Show can run them all through corporate travel in Monaco.