Company Law vs Commercial Law

Learn the difference between company law and commercial law in the UK, including how each governs business operations and legal responsibilities

Written by Christina Odgers FCCA
Director, Towerstone Accountants
Last updated 23 February 2026

At Towerstone Accountants we provide specialist limited company accountancy services for directors and owner managed businesses across the UK. We created this webpage for people responsible for company filings and statutory records who want clear guidance on Companies House requirements without jargon. Our aim is to help you understand your obligations, avoid filing errors, and stay compliant with Companies House and HMRC.

I am often asked about the difference between company law and commercial law usually when someone is dealing with a legal issue for the first time and is not sure which type of adviser they actually need. The terms are regularly used interchangeably but in practice they cover very different areas of law and understanding the distinction can save time cost and frustration.

In this article I want to explain the difference between company law and commercial law in clear practical UK terms. I will set out what each area covers where they overlap and how they apply in real business situations. I am writing this in the first person based on how I explain these concepts to business owners directors and founders and everything here reflects UK practice and guidance as set out under GOV.UK and UK legal principles.

Why the distinction matters

At first glance company law and commercial law can sound like two labels for the same thing business law. In reality they deal with different questions.

Very broadly:

  • Company law is about the structure and governance of a company

  • Commercial law is about how businesses trade and contract

If you are running a business you will almost certainly encounter both but usually at different times and for different reasons.

Knowing which applies helps you:

  • Ask the right questions

  • Speak to the right adviser

  • Avoid mixing legal issues together

  • Resolve problems more efficiently

What company law is concerned with

Company law governs how companies are formed run and closed. It is about the legal existence of the company itself rather than the transactions it enters into.

In the UK company law is mainly set out in the Companies Act 2006 supported by regulations case law and guidance.

Company law focuses on issues such as:

  • How a company is incorporated

  • The roles and duties of directors

  • The rights of shareholders

  • How shares are issued transferred or cancelled

  • Filing and reporting obligations

  • Capital maintenance and distributions

  • How companies are restructured or dissolved

In simple terms company law answers the question how is this company legally organised and controlled.

The legal personality of a company

One of the central ideas in company law is that a company has its own legal personality.

This means:

  • The company exists separately from its owners

  • The company can own assets in its own name

  • The company can enter contracts

  • The company can sue and be sued

  • The company is responsible for its own debts

This concept underpins limited liability and explains why directors and shareholders have specific duties under company law.

Directors and company law

A large part of company law focuses on directors.

Company law sets out:

  • Who can act as a director

  • How directors are appointed or removed

  • Directors’ statutory duties

  • Consequences of breach of duty

  • Responsibilities during solvency and insolvency

These duties exist regardless of whether the company is trading actively. Even a dormant company still has directors with legal obligations.

Shareholders and company law

Company law also governs the relationship between shareholders and the company.

This includes:

  • Voting rights

  • Dividend entitlements

  • Share transfers

  • Minority shareholder protections

  • Shareholder resolutions

Disputes between shareholders are usually company law matters even if they have commercial consequences.

Reporting and compliance under company law

Another core area of company law is compliance.

This covers:

  • Preparation of statutory accounts

  • Filing with Companies House

  • Confirmation statements

  • Maintenance of statutory registers

  • Disclosure requirements

Failure to comply can lead to penalties director disqualification or compulsory strike off.

What commercial law is concerned with

Commercial law is much broader and more fluid. It governs how businesses interact with each other and with customers suppliers and partners.

Commercial law is not found in a single statute. It is made up of:

  • Contract law

  • Sale of goods law

  • Agency law

  • Intellectual property law

  • Competition law

  • Elements of consumer law

Commercial law focuses on transactions rather than structure.

In simple terms commercial law answers the question how does this business trade and what happens if something goes wrong.

Contracts at the heart of commercial law

Contracts sit at the centre of commercial law.

Commercial law governs:

  • How contracts are formed

  • What makes a contract legally binding

  • How terms are interpreted

  • What happens when contracts are breached

  • Remedies such as damages or termination

Whether you are dealing with customers suppliers distributors or joint venture partners you are operating within commercial law.

Everyday business examples of commercial law

Most day to day business issues fall under commercial law rather than company law.

Examples include:

  • Customer disputes over services or goods

  • Supplier agreements and pricing disputes

  • Late payment and debt recovery

  • Terms and conditions

  • Intellectual property ownership

  • Licensing arrangements

  • Confidentiality agreements

These issues usually exist regardless of whether the business is a sole trader partnership or limited company.

How company law and commercial law overlap

Although distinct the two areas do overlap in practice.

For example:

  • A company enters into contracts under commercial law but its authority to do so comes from company law

  • Directors negotiate contracts under commercial law but must act in the company’s best interests under company law

  • Share sale agreements involve both company law and commercial law principles

  • Business acquisitions combine corporate structure with commercial contracts

This overlap is why complex transactions often involve advisers from both disciplines.

Selling or buying a business

A business sale is a good example of how the two areas interact.

Company law aspects include:

  • Transfer of shares

  • Director resignations and appointments

  • Changes to control

  • Shareholder approvals

Commercial law aspects include:

  • Sale agreements

  • Warranties and indemnities

  • Commercial risk allocation

  • Earn out provisions

Both need to work together for the transaction to succeed.

Company law without commercial law

It is possible to have company law issues with little or no commercial element.

Examples include:

  • Director disputes

  • Shareholder disagreements

  • Failure to file accounts

  • Incorrect dividend payments

  • Breach of director duties

These issues relate to how the company is run rather than how it trades.

Commercial law without company law

Equally many commercial law issues have nothing to do with company structure.

Examples include:

  • A contract dispute between two sole traders

  • Consumer rights claims

  • Licensing disputes

  • Franchise agreements

  • Intellectual property infringement

These issues arise from trading activity not corporate governance.

Risk and liability differences

Company law and commercial law also address risk in different ways.

Company law focuses on:

  • Protecting shareholders through limited liability

  • Regulating director behaviour

  • Maintaining confidence in corporate structures

Commercial law focuses on:

  • Allocating risk between contracting parties

  • Enforcing agreements

  • Providing remedies when things go wrong

Understanding this distinction helps when assessing legal exposure.

Insolvency as a crossover point

Insolvency is one of the areas where company law and commercial law come closest together.

Company law aspects include:

  • Director duties when insolvent

  • Formal insolvency procedures

  • Priority of creditors

  • Asset distribution

Commercial law aspects include:

  • Contract termination rights

  • Guarantees and security

  • Claims for breach of contract

  • Recovery of debts

This is often where directors first realise how the two areas interact.

Which type of lawyer do you need

This is a practical question I am often asked.

You usually need a company lawyer when:

  • Setting up or restructuring a company

  • Dealing with shareholders or directors

  • Issuing shares or options

  • Handling governance or compliance issues

  • Closing or winding up a company

You usually need a commercial lawyer when:

  • Drafting or reviewing contracts

  • Resolving trading disputes

  • Protecting intellectual property

  • Negotiating commercial terms

  • Dealing with customers or suppliers

For larger matters you may need both.

The role of accountants and advisers

From my perspective as an accountant understanding the boundary between company law and commercial law is essential.

I regularly help clients by:

  • Identifying whether an issue is structural or transactional

  • Flagging when legal advice is needed

  • Coordinating between legal and tax advisers

  • Ensuring decisions are compliant from both angles

Many problems arise not from bad decisions but from using the wrong lens to view them.

Common misunderstandings I see

There are a few recurring misconceptions.

These include:

  • Thinking company law covers all business law

  • Assuming commercial contracts override company law duties

  • Believing limited liability removes all personal risk

  • Treating shareholder agreements as purely commercial documents

Each of these misunderstandings can lead to real problems if not corrected early.

How the two areas evolve as a business grows

As a business grows its exposure to both areas increases.

Early stage businesses often encounter:

  • Commercial law issues around customers and suppliers

Growing businesses increasingly face:

  • Company law issues around shareholders governance and structure

Established businesses deal with both constantly.

Practical way to think about the difference

A simple way I explain it to clients is this:

  • Company law is about the company itself

  • Commercial law is about what the company does

Keeping that distinction in mind helps clarify most questions.

Final thoughts

Company law and commercial law are closely related but fundamentally different. One governs the legal framework of the company the other governs how business is conducted within that framework. Most UK businesses will encounter both and understanding where one ends and the other begins is a real advantage.

In my experience business owners who grasp this distinction make better decisions seek the right advice sooner and avoid many of the common legal and commercial pitfalls that slow businesses down.

You may also find our guidance on corporate company law and what is company law helpful when dealing with related Companies House tasks. For a broader overview of filings, registers, and statutory duties, you can visit our companies house hub.