Linde sells the gases that keep the modern world running. Oxygen goes to hospitals and steel mills. Nitrogen goes to food packaging and semiconductor factories. Hydrogen goes to refineries and, increasingly, to clean energy projects. Customers do not just place orders, they sign contracts lasting 10 to 20 years, and Linde often builds the production plant right next to the customer's facility, piping gas directly to them. The company also sells smaller volumes by tanker truck and cylinder to thousands of other businesses. On top of that, a separate Engineering unit designs and builds giant industrial plants for outside customers. Together, these two arms generated $33.99 billion in sales in 2025 across more than 80 countries. The diagram below traces where the money goes.
How Linde Makes Money
flowchart TD
A["Customer Demand
Industrial, Healthcare, Electronics"] --> B["Three Distribution Methods
On-site, Merchant, Packaged"]
B --> C["Gas Sales Revenue
31.8B of 34.0B total"]
A --> D["Engineering Projects
Plant Design & Construction
2.2B revenue"]
D --> E["Long-term Supply Contracts
10-20 years on-site
3-7 years merchant"]
E --> C
C --> F["Operating Cash Flow
10.3B annually"]
F --> G["R&D & Infrastructure
New Technologies & Expansion"]
G --> H["Pipeline Networks & Assets
Competitive Advantage"]
H --> B
F --> I["Energy Cost Management
Pricing Formulas & Pass-through"]
I --> C
D --> H
Five years of financial data tell a consistent story: Linde is not growing fast, but it is getting noticeably more profitable. Revenue moved in a tight band, from $30.8 billion in 2021 to $34.0 billion in 2025. That is modest growth in sales. What changed far more dramatically was how much cash the business produced. Operating cash flow grew from $9.7 billion in 2021 to $10.3 billion in 2025, and net income climbed from around $2.5 billion in 2020 to $6.9 billion in 2025. The company is squeezing more profit out of roughly the same revenue base, year after year.
Revenue vs. Operating Cash Flow (2021 to 2025, $B)
Revenue stayed roughly flat over five years while operating cash flow held steady and grew in 2025, reflecting margin expansion rather than volume growth.
That margin expansion matters because Linde spends heavily to build new plants. Capital expenditures in 2025 reached $5.26 billion, up from $4.50 billion in 2024. Much of that spending goes toward a construction backlog of large projects worth about $7.3 billion as of the end of 2025. Each plant that gets built and switched on is expected to start generating revenue under a long-term contract. So today's capital spending is, in theory, tomorrow's locked-in cash flow.
What 'free cash flow' means
Free cash flow is the money left over after a company pays for its own upkeep and new investments. It is the cash that could go to shareholders, pay down debt, or fund future growth. A company spending heavily on new plants will often show lower free cash flow even when the underlying business is healthy.
Because of that heavy plant-building, free cash flow has actually slipped over the five-year period, falling from $6.6 billion in 2021 to $4.9 billion in 2024, before recovering slightly to $5.1 billion in 2025. At the same time, net debt has climbed steadily, from $9.7 billion in 2021 to $20.1 billion in 2025. Linde is borrowing to fund growth, and the debt load has more than doubled in four years.
Net debt more than doubled over four years as Linde funded an aggressive capital spending program to build new plants.
Linde does not just carry debt. It also carries about $28 billion in goodwill on its balance sheet, a leftover from the 2018 merger that brought together Linde AG and Praxair. Goodwill is an accounting entry that says the combined company was worth more than the sum of its parts. If the business ever disappoints badly enough, that goodwill can be written down, creating a sudden large charge against earnings. It has not happened yet, but the number is large enough that it is worth knowing about.
2018
milestone
The Praxair merger reshapes the company
When Linde AG and Praxair merged in 2018, it created the largest industrial gas company in the world. The deal left about $28 billion in goodwill and $2 billion in intangible assets on the combined balance sheet. That accounting legacy still shapes how investors read Linde's reported earnings today, because purchase accounting adjustments tied to the merger continue to reduce reported operating profit relative to the underlying business performance.
The risks Linde faces are specific, not vague. Energy is the single largest cost in making and delivering gas. Electricity, natural gas, and diesel fuel prices are unpredictable, and while Linde has contracts that let it pass many energy cost changes on to customers, a sudden supply disruption could still hurt. For specialty gases like helium and hydrogen, Linde depends on outside suppliers for raw materials, and those supply chains are not fully within its control.
Why currency matters for a global company
When Linde earns money in euros, yen, or Brazilian reais, it has to convert those earnings back into U.S. dollars for its financial reports. If the dollar strengthens against those currencies, the reported earnings shrink even if the local business did fine. Linde earned about 64% of its 2025 sales outside the United States, so currency moves can meaningfully change what the numbers look like.
Currency is another live risk. About 64% of Linde's 2025 sales came from outside the United States, spread across currencies including the euro, Chinese yuan, British pound, Brazilian real, and Australian dollar. Political instability, trade conflicts, or restrictions on moving money between countries could all affect the international business. Linde is also incorporated in Ireland and treated as a U.K. tax resident, which means changes in tax law or a shift in tax residency status could bring unexpected tax bills.
64%
of 2025 sales came from outside the United States
Finally, Linde makes and transports gases that can be hazardous. Oxygen, hydrogen, and other industrial gases can cause injury or environmental damage if something goes wrong. The company faces the ongoing risk of lawsuits, including class actions in the United States, that could result in significant financial penalties or loss of market access.
Linde's Americas segment contributed $4.75 billion in operating profit in 2025, making it by far the largest single earnings engine. About 60% of capital expenditures in 2025 also went into the Americas, suggesting that is where Linde is placing its biggest growth bets right now.
The $7.3 billion construction backlog is the central number to watch. That figure represents plants already under contract and being built. When those plants come online, they are supposed to generate predictable, long-term cash flows that justify both the capital spending and the rising debt. The entire financial logic only holds if the backlog converts into real, contracted revenue at the margins Linde expects.
$7.3B
Sale-of-gas backlog of large projects under construction at end of 2025
The Bet
Long-term supply contracts, signed before construction even begins, will keep converting into steady cash flows as each new plant comes online, and the margin gains from pricing discipline and productivity will continue to more than offset cost inflation. If major customers face financial trouble, if energy costs spike in ways that cannot be passed through, or if the hydrogen transition slows and leaves expensive new infrastructure underused, the rising debt load and $28 billion goodwill balance become much harder to absorb.
Open question
Linde has spent five years proving it can grow profits without growing revenue much. The construction backlog and rising capital spending suggest the next chapter is about volume, not just efficiency. But net debt has more than doubled since 2021, and the company is counting on a pipeline of new plants to justify that borrowing. Will the $7.3 billion backlog of plants under construction deliver the contracted cash flows that justify the debt being taken on to build them, or will slower volumes, currency headwinds, or energy disruptions mean the numbers don't add up the way the model assumes?
Compiled · 10-K · FY2025
Raw Material Supply Disruption
Energy is Linde's largest production cost, and disruptions in electricity, natural gas, or diesel fuel supply could hurt profits. For specialty gases like hydrogen and helium, Linde depends on raw materials from outside suppliers, and any supply disruption could prevent the company from meeting its contracts with customers.
Asset Impairment from 2018 Merger
Linde carries about $28 billion in goodwill and $2 billion in intangible assets from its 2018 merger. If the company's business performance declines or market conditions worsen, these assets could lose value and force Linde to record large charges that reduce reported earnings.
International Operations and Currency Risk
Linde operates in more than 80 countries and earns significant revenue in foreign currencies. Changes in exchange rates can reduce reported earnings, and political instability, trade conflicts, tariffs, or restrictions on moving money between countries could hurt international business.
Product Liability and Industrial Hazards
Linde manufactures and transports hazardous industrial gases and medical gases that could cause personal injury, environmental damage, or business interruption if defective or mishandled. Lawsuits, especially class actions in the United States, could result in significant monetary damages and loss of market access.
Tax Residency and Jurisdiction Changes
Linde is currently treated as a U.K. tax resident and incorporated in Ireland. If tax laws change or if Linde's tax residency shifts to another country, it could face unexpected tax charges, double taxation, or U.S. Internal Revenue Service challenges that increase tax expenses significantly.
10-K Item 1A · Risk Factors
