Paid-up capital is the total amount of money a company has actually received from shareholders in exchange for shares of stock. It represents funds that have flowed into the company from investors on the primary market, meaning directly from the company itself, not from trades between investors in the secondary market. When you buy shares of Apple on the New York Stock Exchange from another investor, Apple receives nothing. When Apple sold those shares in its 1980 initial public offering at $22 per share, that money went directly to Apple as paid-up capital.
Paid-up capital is the money the company actually has in hand from equity investors. It sits in the shareholders' equity section of the balance sheet.
Paid-up capital comes from two components, both of which appear in the equity section.
The first is the par value of the shares, which is a nominal face value typically set at $0.001 or $0.01 per share. If a company issues 100 million shares at a par value of $0.01, the common stock line on the balance sheet shows $1 million.
The second, and usually far larger, component is additional paid-in capital, which captures everything investors paid above the par value. If those 100 million shares sold at $20 each, the company received $2 billion total, with $1 million going to common stock and $1.999 billion going to additional paid-in capital.
Authorized capital is the maximum amount of shares a company is permitted to issue under its corporate charter or articles of incorporation. It sets a ceiling. Paid-up capital is the actual amount received from shares that have been issued and paid for. Paid-up capital can never exceed authorized capital.
A company authorizes 500 million shares but only issues 100 million in its initial public offering. The remaining 400 million authorized but unissued shares are held in reserve for future offerings, employee stock plans, or acquisitions. They generate no paid-up capital until they are issued and purchased.
Paid-up capital is equity financing, meaning the company does not repay it and pays no interest on it. It comes in with no fixed obligation attached. This distinguishes it from debt capital, which carries interest payments and maturity dates that create financial obligations regardless of how the business performs.
A high paid-up capital relative to total assets indicates a company that has funded growth through investor confidence rather than borrowing, which reduces financial risk and supports the company's credit profile. Analysts compare paid-up capital to long-term debt to assess how reliant a company is on equity versus debt funding.
For startup companies, paid-up capital begins at incorporation when founders purchase their initial shares. Each subsequent funding round, from seed through Series A, B, C, and eventually an initial public offering, adds to paid-up capital. The total accumulated over all rounds represents the lifetime equity capital investors have committed to the company.
A company with $50 million in paid-up capital and $5 million in debt is in a very different position than one with $5 million in paid-up capital and $50 million in debt, even if their total assets look similar.