What is Company Law
Learn what company law is, how it applies to UK businesses, and why it matters for directors, shareholders and corporate governance
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 running a company who want clear answers on tax, payroll, Companies House duties, and day to day compliance without jargon. Our aim is to help you understand your responsibilities, reduce the risk of penalties, and know when to get professional support.
Company law is one of those subjects that many business owners interact with every day without realising it. Most directors do not sit down and read company law textbooks, yet the rules it sets out govern how their business is formed how decisions are made how money is distributed and what happens when things go wrong.
In my experience company law often feels invisible when everything is running smoothly and very visible when there is a dispute an error or a major change such as bringing in a new shareholder or stepping down as a director. Understanding the basics of company law does not require legal training but it does require an appreciation of why the rules exist and how they affect you in practice.
In this article I want to explain what company law is in a UK context what it covers who it applies to and why it matters for directors and shareholders. I will focus on practical understanding rather than legal theory and relate it to the real situations that arise in limited companies every day.
What company law actually means
Company law is the body of law that governs how companies are formed operated managed and dissolved. In the UK it sets out the legal framework within which limited companies exist.
At its core company law defines
• How a company is created
• What a company legally is
• Who controls it and how
• What duties directors owe
• How shareholders’ rights work
• How decisions must be made
• What happens if the rules are broken
Without company law limited companies could not exist in a meaningful way.
Why company law exists
Company law exists to balance interests.
A limited company offers powerful advantages such as limited liability and separate legal identity. In return the law imposes rules to protect
• Creditors
• Shareholders
• Employees
• The wider public
• The integrity of the business system
In simple terms company law gives you protection but expects responsibility in return.
The concept of a company as a separate legal entity
One of the most important principles in company law is that a company is a separate legal person.
This means
• The company can own property
• The company can enter contracts
• The company can sue and be sued
• The company has its own rights and obligations
Even if one person owns and runs the company the law treats the company as distinct from that individual.
This principle underpins almost every rule in company law.
Limited liability and its legal meaning
Limited liability means that shareholders are usually only liable for the amount they have invested in the company.
If a company fails
• Creditors usually cannot pursue shareholders personally
• Personal assets are protected in most cases
However limited liability is not absolute. Company law allows this protection on the assumption that directors act properly. Abuse of the structure can remove that protection.
Who company law applies to
Company law applies to all registered companies in the UK.
This includes
• Private limited companies
• Public limited companies
• Companies limited by guarantee
The rules apply regardless of size. A one person company is subject to company law just as much as a large corporation although some requirements differ in scale.
The role of Companies House
Companies House is the public registrar of companies in the UK. It plays a central role in company law compliance.
Through Companies House companies must
• Register when they are formed
• File annual accounts
• File confirmation statements
• Notify changes to directors and shareholders
Companies House maintains the public record. Company law relies on transparency as a key control mechanism.
Directors and company law
Directors sit at the heart of company law. They are responsible for managing the company and ensuring it complies with legal obligations.
Company law defines
• Who can be a director
• How directors are appointed and removed
• What powers directors have
• What duties directors owe
Many directors underestimate the legal weight of this role especially in small companies.
Directors’ duties explained in practice
Directors’ duties are a core part of company law. They are not optional and they apply even if you are the sole director.
In broad terms directors must
• Act in the best interests of the company
• Exercise reasonable care skill and diligence
• Avoid conflicts of interest
• Not misuse company assets
• Act within their powers
These duties are owed to the company itself not to individual shareholders.
Acting in the best interests of the company
This duty often causes confusion.
Acting in the best interests of the company means
• Making decisions that benefit the company as a whole
• Considering long term consequences
• Balancing the interests of shareholders employees and creditors
It does not mean acting purely for personal benefit even if you own all the shares.
Conflicts of interest and transparency
Company law requires directors to avoid conflicts of interest or to declare them properly.
Examples include
• Doing business personally with the company
• Competing with the company
• Using company opportunities for personal gain
Transparency is key. Declaring conflicts and documenting decisions protects directors.
Shareholders and their legal position
Shareholders own the company but do not usually manage it day to day.
Company law gives shareholders certain rights including
• Voting on key decisions
• Receiving dividends if declared
• Access to certain information
• Entitlement to capital on winding up
Shareholders do not generally have the right to interfere in daily management unless they are also directors.
The separation of ownership and control
One of the defining features of company law is the separation between ownership and control.
Shareholders own the company. Directors control it.
In small companies these roles often overlap but legally they remain distinct. This distinction matters during disputes or when relationships change.
How decisions must be made under company law
Company law sets out how decisions are made within a company.
Some decisions are made by
• Directors
• Shareholders
• Both acting together
Routine business decisions are usually made by directors. Fundamental changes often require shareholder approval.
Board meetings and resolutions
Decisions by directors should be recorded through board meetings or written resolutions.
This includes decisions such as
• Declaring dividends
• Entering major contracts
• Appointing senior staff
• Approving accounts
Even in one director companies written records are important.
Shareholder meetings and resolutions
Shareholders make decisions through resolutions.
These may include
• Appointing or removing directors
• Approving certain transactions
• Changing the company’s constitution
Company law sets out voting thresholds and procedures to ensure fairness.
Company constitutions and articles of association
Every company has a constitution usually made up of its articles of association.
The articles set out
• How the company operates
• How shares work
• How decisions are made
• Rules on transferring shares
Company law allows flexibility but the articles must still comply with statutory rules.
Statutory records and registers
Company law requires companies to keep certain statutory records.
These include
• Register of directors
• Register of shareholders
• Register of People with Significant Control
• Records of resolutions
These records must be kept up to date and available for inspection.
Financial reporting and company law
Company law works alongside accounting and tax law.
It requires companies to
• Prepare annual accounts
• File them with Companies House
• Present a true and fair view of the company
These obligations apply even if the company makes no profit.
Dividends and capital under company law
Company law strictly controls how money can be distributed to shareholders.
Dividends
• Can only be paid from distributable profits
• Must be properly declared
• Must be documented
Paying dividends illegally is a breach of company law not just a tax issue.
Protection of creditors
Company law increasingly focuses on protecting creditors especially when a company is in financial difficulty.
Directors must be particularly careful when
• A company is insolvent
• Insolvency is likely
At this stage duties begin to shift towards protecting creditors rather than shareholders.
Insolvency and wrongful trading
If a company continues trading when there is no reasonable prospect of avoiding insolvency directors may be personally liable.
Company law provides mechanisms to
• Investigate director conduct
• Impose penalties
• Disqualify directors
This is one of the few situations where limited liability can be pierced.
Changes in company law over time
Company law is not static. It evolves in response to economic conditions corporate scandals and political priorities.
Recent trends include
• Greater transparency
• Increased director accountability
• Enhanced reporting requirements
Directors cannot assume that what was acceptable years ago remains acceptable today.
How company law interacts with tax law
Company law and tax law overlap but they are not the same.
For example
• A payment may be allowed under company law but taxed heavily
• A tax efficient arrangement may still breach company law
This is why decisions should be reviewed from both perspectives.
Common misunderstandings I see in practice
Over the years certain misunderstandings come up repeatedly.
These include
• Believing ownership gives unlimited control
• Treating company money as personal money
• Assuming small companies are exempt from rules
• Ignoring documentation because everyone agrees
These misunderstandings often lead to disputes or HMRC and Companies House issues later.
Why understanding company law matters for small businesses
Company law is not just for lawyers or large corporations.
For small businesses it
• Protects you when relationships change
• Clarifies decision making
• Reduces personal risk
• Supports professionalism
• Provides structure for growth
Ignoring company law does not remove its effect.
The role of advisers
Most directors are not expected to be experts in company law. However they are expected to know when to seek advice.
Accountants solicitors and company secretarial advisers help by
• Interpreting obligations
• Ensuring compliance
• Documenting decisions
• Reducing risk
Early advice is usually far cheaper than resolving disputes later.
Company law as a framework not a barrier
One of the most important perspectives is seeing company law as a framework rather than an obstacle.
It provides
• Predictability
• Protection
• Clarity
When understood and respected it supports good business rather than restricting it.
Final thoughts from experience
Company law underpins every limited company in the UK whether the directors are aware of it or not. It shapes how companies are formed run financed and ultimately closed.
From experience most problems arise not because directors deliberately ignore company law but because they misunderstand it or underestimate its importance. Small companies are not exempt and informal arrangements still need formal backing.
Understanding the basics of company law gives you confidence. It helps you make decisions with clarity protect yourself and your business and avoid unnecessary disputes or penalties.
Company law is not about catching people out. It is about setting clear rules so businesses can operate fairly and responsibly. Once you see it that way it becomes a tool rather than a threat.
You may also find our guidance on public limited company law and what is a limited company helpful when exploring related limited company questions. For a broader overview of running and managing a company, you can visit our limited company hub.