Chubb is one of the world's largest insurance companies. It collects premiums from customers who want protection against risk, then pays out claims when bad things happen. Customers include giant corporations buying coverage for workers and property, wealthy families protecting expensive homes and art, farmers insuring crops, and ordinary people in dozens of countries buying life and health coverage. Chubb operates in 54 countries and territories, spreads its bets across property, casualty, agriculture, reinsurance, and life insurance, and earns money from three sources: the profit it makes underwriting policies, the investment income it earns on the large pool of cash it holds before paying claims, and income from its life insurance segment. The diagram below traces where the money goes.
How Chubb Makes Money
flowchart TD
A["Premium Income
$53.0B NPE"] --> B["Underwriting
P&C & Life Risk"]
B --> C["Claims & Losses"]
C --> D["Underwriting Profit
Quality over Volume"]
A --> E["Investment Assets
$272B Total"]
E --> F["Investment Income
Bonds Stocks Spreads"]
D --> G["Operating Cash Flow
$12.8B"]
F --> G
G --> H["Capital Reserve
$74B Equity"]
H --> E
H --> I["Growth Acquisitions
Huatai Cigna LMG"]
I --> A
G --> J["Dividends Buybacks
Shareholder Returns"]
B --> K["Risk Selection
Disciplined Pricing"]
K --> D
Over five years, the revenue numbers tell a clear story of steady expansion. Revenue climbed from $40.9 billion in 2021 to $59.4 billion in 2025. That is not a flat business. Each year added more premium volume, often helped by acquisitions that pushed Chubb into new markets.
Chubb Annual Revenue (2021 to 2025)
Revenue in billions of U.S. dollars. Source: XBRL financials.
Two deals explain much of the jump between 2022 and 2024. In 2022, Chubb acquired Cigna's business across several Asian markets, adding personal accident and health insurance customers. Then in 2023, Chubb took a controlling majority stake in Huatai Insurance Group in China, reaching 87.2 percent ownership by the end of 2025. China is a massive, growing insurance market, and Huatai gave Chubb a foothold with nearly 200 licensed sales locations across 28 Chinese provinces for property and casualty, plus 265 life insurance branches across 20 provinces.
2023
milestone
Chubb Takes Control of Huatai in China
On July 1, 2023, Chubb acquired a controlling majority interest in Huatai Insurance Group, a Chinese financial services company with separate property and casualty, life, and asset management subsidiaries. By the end of 2025, Chubb owned approximately 87.2 percent of Huatai Group. This was a deliberate push into one of the largest and fastest-growing insurance markets in the world, and it is now a significant part of Chubb's overseas and life segments.
Cash generation is the other key signal. Operating cash flow rose from $11.2 billion in 2021 to a peak of $16.2 billion in 2024, before settling back to $12.8 billion in 2025. Insurance companies are supposed to be cash machines, and Chubb has consistently been one. The cash funds the investment portfolio, which in turn funds a large portion of profits.
Why Insurance Companies Hold So Much Cash
When you pay an insurance premium, the company does not immediately spend it. It holds that money, sometimes for years, until claims arrive. This pool of held money is called the float. Chubb invests its float in bonds and other assets, earning investment income while it waits. That investment income is a second engine of profit, running alongside the underwriting business.
Net debt has stayed in a relatively contained range across the five years, moving between $11.9 billion and $14.8 billion. It ended 2025 at $14.8 billion. Given that Chubb held total assets of $272 billion at December 31, 2025, that debt level is not the headline worry for this business. The bigger financial risk sits elsewhere.
$272B
Total assets at December 31, 2025
The documented risks are serious and specific. The first is catastrophe exposure. Natural disasters, pandemics, and large-scale cyber attacks can cause enormous losses across many policies at once. Chubb itself acknowledges that climate change may make these events happen more often. The second risk is reserve adequacy. Chubb must estimate today how much money it will need to pay future claims, some of which will not be settled for decades. If those estimates are too low, Chubb has to top them up later, which directly reduces profits. The company holds approximately 1.4 percent of its reserves for asbestos and environmental claims, a category that is notoriously hard to predict because of shifting legal standards and long settlement timelines.
What Reinsurance Recoverable Means
Chubb does not keep all the risk it writes. It passes some of it to other insurance companies, called reinsurers, who agree to share the losses in exchange for a portion of the premium. The money those reinsurers owe Chubb if a big claim arrives is called the reinsurance recoverable. If a reinsurer goes bankrupt or refuses to pay, Chubb still has to pay its own customers and absorb the loss itself.
The reinsurance recoverable risk is large in absolute numbers. Chubb has $20.6 billion owed to it from other reinsurance companies. If any of those counterparties fail, Chubb absorbs the shortfall. There is a separate, more concentrated version of this risk: Chubb holds $1.9 billion in reinsurance agreements with its own inactive subsidiary, Century Indemnity Company. If Century runs out of money, the affiliated subsidiaries may not recover what they are owed.
$20.6B
Reinsurance recoverable owed to Chubb from third-party reinsurers
There is also a portfolio risk hiding in the investment book. Approximately 17 percent of Chubb's investment portfolio consists of below investment-grade securities. These pay higher interest rates precisely because they carry meaningful default risk. In a serious economic downturn, a portion of that 17 percent could lose substantial value, hitting both the balance sheet and investment income at the same time.
$53.0B
Net premiums earned (2025)
$12.8B
Operating cash flow (2025)
Premiums earned show the scale of the underwriting engine. Operating cash flow shows how much actual cash that engine produces after claims and expenses.
In 2024, a Chubb subsidiary posted a $91.63 million bond to assist with a legal appeal by Donald Trump. The filing notes this as a factual event but it does not appear to have had a material effect on Chubb's financial results.
The Bet
Chubb's China strategy assumes that Huatai will grow profitably inside a regulatory environment that remains workable for a foreign-majority-owned insurer. Huatai P&C competes directly against state-owned Chinese insurers with home-field advantages, and Huatai Life operates in a market where the government has direct influence over pricing and distribution rules. If Chinese regulators tighten restrictions on foreign-controlled insurers, or if Huatai's competitors use state backing to undercut pricing, the investment Chubb has made in reaching 87.2 percent ownership could generate returns well below what the acquisition price implied. The entire logic of geographic diversification into China depends on that market staying open and competitive on terms that allow a Swiss-headquartered company to earn adequate returns.
Open question
Chubb has built a genuinely global insurance business with growing revenue, consistent cash generation, and a deliberate push into Asia that is still in its early chapters. The financial trajectory over five years is hard to argue with. But the two things that matter most going forward are both deeply uncertain: whether catastrophe losses stay manageable in a world where climate patterns are shifting, and whether the Huatai bet in China pays off the way Chubb's management believes it will. Can Chubb price climate risk accurately enough to keep underwriting profitable, and will the China strategy deliver the returns that justify the commitment, or will regulatory and competitive friction erode them?
Compiled · 10-K · FY2025
