The Geneva Freeport Secret: How a 19th-Century Grain Warehouse Became a $100 Billion ‘Tax-Free’ Vault

In 1854, the most valuable things in Geneva’s new duty-free warehouse at Rive were raw materials and goods on their way somewhere else. Grain and other raw materials waited there until their owners paid duty or sent them on. Today, according to press reports, the same institution’s windowless halls at La Praille hold about a thousand Picassos, millions of bottles of wine and gold bars. The Geneva Freeport history is the story of how a humble customs shed became one of the most secretive buildings in Europe.

The trick behind it is a legal idea, not a vault door. Goods stored in a Swiss freeport count as “in transit”. They sit inside Swiss customs territory, but nobody has cleared them into free circulation, so Switzerland suspends duties and import VAT. That small fiction turned a grain store into the world’s best-known warehouse for art.

The press likes to say the freeport holds 100 billion dollars of art. Nobody outside can check, and even Swiss customs has never published a figure. What follows is what the records do show: where the freeport came from, how “tax-free” it really is, the scandals that changed the rules, and who can use Swiss bonded warehouse storage today.

Geneva Freeport history: from grain store to art vault

The story starts with a new country. After the Sonderbund War of 1847, the young federal state took over customs, which until then the cantons had collected. Geneva, a trading city surrounded by France and Savoy, needed somewhere to keep goods that were only passing through.

So in 1849, the State of Geneva created a place to store raw materials and goods in transit, or waiting to enter the Swiss market, free of duties and taxes. From 1854, the business moved into the Halles de Rive, which replaced the old butchers' halls at Longemalle near the lake.

The next big step came in 1888. On 1 December, the operating company joined the commercial register, and a second free port opened at Cornavin, by the main station. Rail lines later linked Cornavin with La Praille, south of the city. From the 1920s, grain storage grew, and wood, coal, tobacco and cars moved in too.

In both world wars, the free port helped Switzerland keep food reserves and supported the humanitarian work of the Red Cross. After 1945, it stored machine tools for Europe's reconstruction. Then, from 1948, a new kind of cargo appeared: gold and other valuables.

From La Praille to the art world

Space ran out in the city centre. From 1947, the company negotiated with the canton for land at La Praille, and in 1962 the free port moved there. Over the following decades, it slowly changed what it was for.

During the second half of the 20th century, the business specialised in art, fine wine and collectibles. During the 1990s, it gradually gave up bulk wine in favour of bottled grands crus. In 2014, for what it called its 125th anniversary, it opened Mipsa-Nord, a 10,400 m² high-security warehouse. Its director told Forbes in October 2026 that the site was running at 97% of capacity, with another building under construction.

The canton remains the majority owner. The company's chairman put its share at 87% in 2017, and the company owns the buildings at La Praille while the land stays with the state. As the director put it, the company owns the infrastructure, not the goods inside.

What "in transit" really means

People often call it tax-free storage. Switzerland's own rules say otherwise: the state suspends the tax but never cancels it. That distinction is the key to the whole Geneva Freeport history.

Strictly speaking, Swiss law has treated free warehouses as part of the customs territory since 2007; the goods inside simply haven't been cleared. Here is how it works. A painting arriving from abroad crosses the border under a transit procedure and goes straight into the free warehouse. While it stays there, the state charges no customs duty or import VAT. If its owner sells it to someone else while it is still inside, that sale is exempt from Swiss VAT too.

The bill only comes when the painting leaves. If it goes abroad, Switzerland collects nothing, and the destination country applies its own rules. If its owner brings it into Switzerland, import VAT of 8.1% falls due on its value at that moment. Swiss residents also pay wealth tax on what they own, wherever it sits.

So the real advantage is time and flexibility. A collector can buy, store, lend and resell for years without paying import taxes anywhere, as long as the object never formally arrives. Follow one painting through the system below and see when the tax bill appears.

What's inside: Picassos, Bordeaux and a lot of guesswork

No one publishes a full inventory, so every figure comes from leaks, interviews or estimates. In 2013, the business magazine Bilanz reported about a thousand Picasso paintings and drawings in a single vault. A French art magazine estimated 1.2 million artworks in all. The freeport's own marketing director spoke of around three million bottles of fine wine, and Bilanz also described vintage cars parked in underground garages.

The firmest numbers come from the company itself. In 2017, its chairman, David Hiler, said its bonded premises at La Praille and the airport covered about 51,924 m². Art and antiquities used 65.7% of that space. Freight forwarders rented more than half of it and passed it on to their own clients.

The architects designed these buildings for objects, not people. In the newest warehouse, paintings sit at about 21°C and 55% humidity, while wine rests at 13°C and 70%, like a traditional cellar. For fire safety, a nitrogen system lowers the oxygen level to roughly what you would breathe 6,000 metres up a mountain.

As for the famous 100 billion, the Swiss Federal Audit Office noted in 2014 that customs had no figures for the free warehouses. The number, quoted in dollars or francs, comes from the press. In 2022, SRF reported it again, still unconfirmed by the authorities or the operators.

Why Geneva? Auction rooms, banks and a border

Geneva Freeport history makes more sense once you look at the city around it. Geneva sits on the French border, with an international airport a few minutes away and a long tradition of private banking. It is also a world capital for jewellery and watch auctions, which brings dealers, experts and wealthy buyers to town several times a year. Our story of why Swiss watches are so expensive shows how much money moves through that trade.

The freeport's director, Martin Dunning, lists the same advantages. He points to the backing of the State of Geneva, the network of banks, insurers, traders and auction houses, Swiss political and legal stability, and staff who know how to handle valuable things discreetly. In other words, the warehouse works because the city works.

That ecosystem shapes who uses it. Most tenants are not collectors but freight forwarders and logistics firms that specialise in high-value goods. They rent the space and then sublet rooms, shelves or crates to galleries, dealers, private collections and museums. A collector in New York or Hong Kong usually deals with a shipper, not with the freeport company itself.

Life inside: viewing rooms, restorers and moving crates

The image of art locked away forever is only half true. The freeport is busy: crates arrive from auctions, leave for exhibitions and travel to restorers. "Preserving doesn't mean immobilising," Dunning told Forbes in 2026, describing the constant traffic of objects in and out.

Some of that activity happens on site. In 2009, the dealer Simon Studer opened the first gallery inside the freeport, and buyers can inspect works in private viewing rooms without importing them. Restorers, framers, photographers and insurers' experts also work with goods while they remain under customs, with customs approval where the rules require it.

There are limits, though. Customs rules allow only certain kinds of handling without a special permit, such as inspecting, repacking, sorting or taking samples. Direct sales to private people are banned unless the local customs office allows them, and auctions inside a free warehouse need a permit before anyone sets a date. The building is a warehouse with privileges, not a shop or a tax haven of its own.

The scandals that changed the rules

Discretion attracted honest collectors, but also people with something to hide. In 1995, police acting on Italian evidence opened the Geneva storeroom of the dealer Giacomo Medici and found thousands of looted Roman and Etruscan antiquities. Then, in 2003, Swiss authorities found about 200 stolen Egyptian objects, including two mummies. Seven years later, investigators turned up a Roman sarcophagus that robbers had probably taken from southern Turkey.

Then came 2016. In January, Switzerland returned to Italy 45 crates of antiquities, reportedly some 17,000 objects, seized from a freeport unit linked to the dealer Robin Symes. In April, after the Panama Papers linked an offshore company to the dealer David Nahmad, Geneva prosecutors seized Amedeo Modigliani's Seated Man with a Cane at the freeport. The heir of a Jewish dealer said the Nazis had taken it from his family, a reminder that the wartime trade in looted goods, which we explore in Switzerland and Nazi gold, still echoes today.

The Bouvier affair

The biggest storm involved the freeport's best-known tenant. Yves Bouvier's shipping firm, Natural Le Coultre, rented more than 20,000 m² in Geneva, and he went on to build freeports in Singapore and Luxembourg. In 2015, the Russian billionaire Dmitry Rybolovlev accused him of overcharging by about 1.1 billion euros on 38 artworks bought between 2003 and 2014, among them Leonardo's Salvator Mundi.

Bouvier denied any wrongdoing, saying he acted as a dealer, free to set his own margins. After nine years of cases in courts from Monaco to Singapore, Hong Kong, New York and Geneva, the two men reached a confidential settlement in 2023, and Geneva prosecutors closed their investigation. The affair still did lasting damage. It put a spotlight on what collectors used freeports for, and on how little anyone outside knew.

The crackdown: tighter rules for Swiss bonded warehouse storage

Regulators wrote the next chapter of Geneva Freeport history, and they did it in stages. A law on cultural property came into force in 2005, and from 2009 operators had to keep inventories that customs could inspect. The real turning point, however, was a 2014 report by the Swiss Federal Audit Office.

It found that some warehouses barely moved any goods at all. Objects sat there for decades as long-term asset management and tax optimisation, which the auditors said was not what the law intended. The report also counted 245 open customs warehouses in 2012. The 201 with data held goods worth over 15 billion francs, with more than a billion in suspended duties.

New rules, adopted in November 2015, took effect on 1 January 2016. Inventories must now record each owner's name and address, and wine and other alcoholic drinks, tobacco, cars, motorcycles and furniture joined the list of sensitive goods. Customs then reviewed every permit. By 2018, only seven duty-free warehouses remained, compared with 18 in 2008. The Geneva company also stopped renting space directly to new foreign clients and paid for independent checks on archaeological objects.

The pressure hasn't stopped. In 2019, the European Parliament called for an end to freeports inside the EU. The vote didn't bind Switzerland, which sits outside the EU customs union, as our guide to whether Switzerland is in the EU explains. In 2022, as sanctions hit Russia, Swiss customs examined goods in 52 cases and blocked three storage areas where it could not identify the owners at once.

Beyond Geneva: Zurich Airport and Embrach

Geneva Freeport history also has a less famous twin in Zurich. The city's equivalent, Zürcher Freilager AG, began in 1923 with a duty-free warehouse in the district of Albisrieden. The Wall Street crash of 1929 hit it hard, as imports of American cars fell sharply.

In 1960, the company opened a small site at Kloten for air freight, which it sold in 2007. In the early 1970s, it added a large site at Embrach, north of the city, and for decades Albisrieden, Kloten and Embrach ran side by side. Today the Embraport in Embrach still runs a duty-free warehouse with its own customs office. The old Albisrieden warehouse became a new neighbourhood, and the first residents moved into its 850 rental flats in 2016.

Near Zurich Airport today, firms such as Crozier Fine Arts offer bonded art storage, while a metals specialist opened an open customs warehouse in Embrach in 2024. The Geneva model also travelled abroad: Singapore opened its freeport in 2010 and Luxembourg in 2014, both linked to Bouvier.

Swiss bonded warehouse storage: who can use it today

Switzerland has two kinds of customs warehouse. A duty-free warehouse (Zollfreilager) must be open to all on equal terms and, as a guideline, handle at least 5,000 movements a year; its permit lasts ten years. An open customs warehouse belongs to a single company, which stores its own or its clients' goods under a five-year permit.

Anyone, at home or abroad, can store foreign goods under customs. Swiss goods are different: they can only go into a free warehouse for export if the buyer lives or has its seat abroad, and they must normally leave within six months. For gold, there is little point, since investment gold is exempt from Swiss VAT anyway, as our guide to Swiss mountain gold vaults explains.

Tax-free storage in Switzerland, in other words, is mainly useful for objects that will leave the country again. The checker below runs through your situation.

Timeline: Geneva Freeport history from 1849 to 2026

Can you visit the Geneva Freeport?

No. For all the drama of Geneva Freeport history, there is little to see from outside. The freeport is a working customs zone, and only tenants, their clients and staff get past the gates, after identity checks. From the outside, the warehouses at La Praille look like any other industrial block, which is rather the point.

If you want to see art in Geneva, the city's public museums are a better bet. The freeport's story, after all, began with the city's role as a crossroads, and our guide to the best places to visit in Switzerland covers what else the city offers. The freeport itself sometimes appears in a different light, too: works stored there regularly leave for exhibitions, restoration and sales.

Quiz: true or false?

What the freeport says about Switzerland

Seen as a whole, Geneva Freeport history follows the same instincts that shaped the rest of Swiss prosperity. A small country on Europe's trade routes learned to make money from goods it didn't own, simply by being a safe and neutral place to keep them. The same reputation helps explain why the Swiss franc is so strong. Our story of why Switzerland is so rich follows that thread back to the mountains.

The freeport also mirrors the history of Swiss banking secrecy. In both cases, discretion was a selling point for decades, until scandals and foreign pressure forced a change. Today the inventory names every owner, and the oldest, quietest corners of the warehouse attract the most questions.

Still, the strangest part of the story is the legal fiction at its heart. A Picasso can spend twenty years in Geneva without ever being cleared through Swiss customs. Whether that is clever trade policy or a loophole depends on who you ask. Either way, few buildings tell you as much about the country while showing you so little.

FAQ: the Geneva Freeport

Sources and further reading