A terminal on the east coast has two deep water berths and four ship to shore cranes. For years it worked a weekly feeder service and a deep sea call, and the yard behind it was never quite empty. Then the line rearranged its network, the deep sea call went to a rival port, and the second berth stood idle for a year.
Nothing about the terminal had changed. The cranes were the same cranes, the drivers were the same drivers, and the dredging bill arrived on the day it always arrived. What had changed was that a planner in another country drew a different loop on a map.
That is the trade in one paragraph. A port sells time alongside and lifts off a ship, to a handful of customers it does not control, and it pays for the quay whether they turn up or not.
What a terminal is actually selling
The unit of production is a move: a box lifted off a ship and set down on a lorry, a wagon or the stack, with storage sold by the day once the free time runs out. Business Baron works on an average of about £115 a move and a gross margin a little over half, which is the right shape. Handling a container is not expensive per box. It is expensive per year.
What sits under the margin is the difficulty. A ship to shore crane is a seven-figure machine bought years before the traffic that justifies it. The yard is a quarter of a million square feet of hardstanding heavy enough to take a loaded stacker. The berth has to be dredged, and then dredged again, and the depth you keep decides which ships can call at all. Getting in costs between £15,000,000 and £90,000,000 in the game's figures, roughly the distance between one berth with a mobile harbour crane and two deep water berths with gantries over them.
None of it can be turned down. A café can cut its opening hours. A terminal cannot half-own a crane.
The trade is small in firm count and large in value: a few billion pounds a year and tens of thousands of people, across something like a hundred and twenty ports of any size. Both are the size of the thing rather than a count of it.
One thing operators get wrong at the start is VAT. Cargo handling for a British business customer is standard rated. People expect otherwise because they can see zero rating applied to the freight passing through their own gate, but that zero rate for international transport belongs to the carrier, not to the business lifting the box off the ship.
Berth occupancy and moves an hour decide everything else
Two numbers run a terminal. The first is berth occupancy: the share of the week a quay has a paying ship alongside. The second is crane productivity, counted in moves an hour.
Occupancy is what keeps you solvent. Because the cost base does not flex, the difference between a berth working half the week and the same berth working three quarters of it is close to the whole of the profit. There is no version of this business where you are busy and losing money. There is only the version where the quay is empty.
Productivity is what keeps you chosen. A shipping line plans a rotation weeks ahead and the rest of its network depends on the ship sailing when the schedule says it will. A terminal that turns a ship round inside the window it promised is worth paying a premium for. A terminal that runs two hours late every week is costing the line money at the next three ports, and the line knows precisely how much. Reliability, not the tariff, is what wins traffic.
That is why crane drivers are paid what they are. The game uses £48,000 for a driver, well above the average wage in most of the towns where ports sit, and it is not generosity: the skill is scarce and a driver who is slow costs more in a shift than the wage difference costs in a year. The year has a shape too. Retail stock builds through the autumn and the yard fills with it, then spring empties it again.
You are the operator and the authority at the same time
Most trades have a regulator sitting above them. A port, in many cases, is one.
A harbour authority holds statutory powers over its water, and with them come duties to every vessel there, including the yachts and the fishing boats paying you nothing. Those duties are audited against the Port Marine Safety Code, the published standard setting out what a harbour authority is expected to do about safety of navigation. Failing against it is not a fine. It brings the department in, and in the end the powers can be taken away from a body that cannot exercise them properly.
Behind that sit the ordinary regulators. The Maritime and Coastguard Agency is concerned with the ships. The Environment Agency issues the environmental permits the yard needs and can suspend them, which stops the operation rather than merely costing it money. Any discharge into the public sewer needs a trade effluent consent from the sewerage undertaker. The lorries leaving the gate run on a goods vehicle operator's licence.
The combination is unusual and worth understanding before you buy a quay. You are a landlord to the estate behind the fence, a contractor to the lines, and a safety authority to people who are not your customers at all.
How a terminal dies
Almost always the same way. A line reviews its network, a weekly call moves to a rival port, and a fifth of the throughput disappears in a single timetable change. The crane finance does not change. The dredging does not change. The drivers are still on the payroll and there is nothing for them to lift. Winning that service back takes years, because the line has built its schedule around somewhere else and the switching cost now runs the other way.
The defence is land. Warehousing on the estate earns rent whether or not a ship calls, and plenty of ports make more from the sheds behind the quay than from the water in front of it. It is the least glamorous part of the business and it is the part that survives a bad year.
Where this shows up in the game
In Business Baron the terminal is a monthly argument about windows. You decide which line's call goes into which slot and what to charge for it, knowing a window given to one is a window refused to another, and the one you refuse may not ask again. The panel you watch is occupancy and moves an hour, and taking a cheap call to fill a berth can cost you the reliable one.
The regulator does not arrive as a letter about tax. It arrives as a marine safety audit, and a bad one reaches past your profit and into whether you keep the authority at all. The failure state is the network review: the call moves, a fifth of the traffic goes overnight, and you are running a very large piece of civil engineering for nobody. The Port & Container Terminal page sets out the figures the trade runs on.
It is one of the specialist trades, which stand on top of the full game rather than inside it. It is also the strangest thing in the catalogue to run, because there is no marketing and no customer in the ordinary sense: about six clients, all of them ships, and a duty of care to everybody else in the water.