Does becoming a public limited company mean you need to enter the stock market?

18th February 2026

Becoming a Public Limited Company explained

Limited companies come in two formats: private and public. Private limited companies are the most common type of incorporation, being privately owned and operated with profits, liabilities and assets all belonging to the company itself.

Public limited companies (PLCs) are managed by directors and owned by shareholders. A common misconception is that this means shares must be listed on the stock exchange, but many PLCs choose not to take that step. Here, we debunk the myth that in order to become a PLC you must enter the stock market.

What is a PLC?

In UK law, public does not necessarily mean listed. Listing shares on a stock exchange is a separate and optional step that not all businesses take immediately. A public limited company is one that:

is incorporated or re-registered as a PLC under the Companies Act 2006
meets minimum share capital requirements
operates under a stricter governance and reporting framework

A PLC can have a small number of shareholders, privately negotiated investment or long term strategic owners. No initial public offering (IPO) is actually required.

Why become a PLC without listing?

For most SMEs, it makes sense to remain a private limited company (Ltd). PLC status adds cost and complexity to the running of the business, but in certain circumstances it is a practical option.

PLC status requires companies to undergo a mandatory audit and implement formal governance and shareholder protections. PLCs are held to higher standards, which can help them to appeal to a wider range of investors, bringing more opportunities to raise capital. It also means that establishing and maintaining stronger relationships with banks, regulators and larger clients is easier.

In addition, the formality of the ownership structure provides clearer rules around share capital, decision making and shareholder rights. This helps growing businesses to navigate the complexities of issues such as:

multiple shareholder classes
employee share arrangements
family succession combined with outside investment

Preparing to list

Some businesses become public limited companies months or even years before any IPO. This may be because they want to professionalise their governance before entering a stock exchange, ensure audit discipline is embedded, and/or avoid rushing the transition later on.

How does a business register as a PLC?

Many PLCs start out as private limited companies. In order to attain PLC status, they must re-register under the Companies Act 2006. The following requirements must be met:

Shareholder approval must be given via a special resolution.
At least £50,000 of allotted share capital must be held, with at least £12,500 paid up in cash and any share premium fully paid.
The company constitution must reflect PLC requirements, particularly around capital and governance.
A trading certificate is often required, confirming the capital requirements have been met.

Implications of becoming a PLC

The implications of becoming a PLC are significant. Not only are annual accounts filing deadlines shorter, directors’ transactions are more restricted and audits are mandatory. A company secretary is also compulsory and there are higher expectations from investors, banks and suppliers.