Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Becoming a company director can feel like a milestone moment for a growing SME or startup. You’re no longer just “running the business” day-to-day - you’re formally responsible for how the company is managed, what decisions it makes, and whether it stays compliant.
That’s exciting, but it also comes with legal duties (and real personal risk if things go wrong). The good news is that most director problems are avoidable when you set up the right foundations, keep good records, and know when to get advice.
This guide breaks down what being a company director in the UK really means, what your key legal duties are, the common risk areas, and practical steps you can take to protect your business (and yourself) as you grow.
What Does Being A Company Director Actually Mean For An SME?
In a UK limited company, the director is the person (or people) responsible for managing the company on behalf of its shareholders.
In many SMEs and startups, you’ll see the same people wearing multiple hats:
- Founder and director
- Shareholder and director
- Director and employee (for example, drawing a salary)
It’s worth remembering that a limited company is a separate legal person. That separation is one of the key benefits of incorporation - but it’s also why directors have defined legal duties: the law expects you to act for the company’s benefit, not just your own.
Who Can Be A Director?
Generally, most people can be directors, but there are restrictions. For example, you can’t act as a director if you’re disqualified, and there are age requirements.
It’s also common for businesses to appoint more than one director (for example, co-founders or a founder plus an operational director). If you’re not sure how director roles work in practice, it can help to understand the different types and responsibilities of directors in the UK.
Director Vs Shareholder: Why The Difference Matters
A shareholder owns shares in the company and typically has voting rights on major decisions. A director manages the company’s operations and strategy.
In SMEs, conflict often happens when these roles aren’t clearly documented - especially when the company grows, takes investment, or a co-founder wants to exit. This is exactly where a Shareholders Agreement can save you a lot of stress, because it sets the rules for decision-making, ownership changes, and what happens if relationships change.
Key Legal Duties When Being A Company Director In The UK
The core duties of directors in the UK come primarily from the Companies Act 2006. They’re not just “best practice” - they’re legal obligations.
Here are the duties that most commonly impact small businesses and startups.
1. Act Within Your Powers
You must follow the company’s constitution and only use your powers for the purpose they were given. For most companies, the constitution includes the Articles of Association.
Practical tip: if you’re making a big decision (like issuing shares, appointing/removing directors, or approving dividends), check whether your Articles or shareholder arrangements set out a specific process you must follow.
2. Promote The Success Of The Company
This duty is about acting in a way you genuinely consider will benefit the company as a whole (usually for the benefit of its shareholders), taking into account things like:
- long-term consequences of decisions
- employee interests
- relationships with suppliers and customers
- company reputation
For SMEs, this comes up a lot when directors are also shareholders or have separate personal interests (like side businesses or personal guarantees).
3. Exercise Independent Judgment
You can take advice and delegate tasks, but you can’t simply “rubber stamp” decisions if you’re a director.
If you’re on a board with co-founders or investor-appointed directors, this matters. You’re expected to consider the decision yourself and make a genuine judgment call.
4. Exercise Reasonable Care, Skill And Diligence
This is one of the most important duties for directors of SMEs because it links directly to risk.
“Reasonable” depends on:
- what would be expected of a director in your position, and
- your actual knowledge, skills, and experience
So if you have a finance background, you may be judged more strictly on financial oversight than someone without that expertise.
5. Avoid Conflicts Of Interest
You must avoid situations where you have (or could have) a direct or indirect interest that conflicts with the company’s interests.
Common SME examples include:
- a director setting up a competing business
- using company opportunities for personal gain
- awarding contracts to a friend or family member without proper disclosure
If a conflict exists, it often needs to be declared and properly authorised (depending on your Articles and the nature of the conflict).
6. Not Accept Benefits From Third Parties
Directors must not accept benefits (such as gifts, commissions, or kickbacks) from third parties because of their position as a director, where it could create a conflict or perception of influence.
Practical tip: have an internal policy about gifts and hospitality, especially if your business deals with suppliers, procurement, or high-value contracts.
7. Declare Interests In Proposed Transactions
If you’re personally interested in a transaction the company is entering into, you typically need to declare it to the other directors.
This can apply even in small companies where it feels “obvious” - for example, where the company is paying for services from a director’s other business.
What Are The Biggest Legal Risks When Being A Director Of A Company?
Being a director doesn’t automatically mean you’re personally liable for company debts. In many cases, the company remains responsible as a separate legal entity.
But directors can still face personal consequences when they breach duties, act unlawfully, or (particularly where the company is in financial difficulty) fail to take appropriate steps to protect creditors.
1. Insolvency Risk: Wrongful Trading And Director Conduct
If your company is (or may be) insolvent, director responsibilities become even more serious. UK law expects directors to act carefully where insolvency is likely - including keeping the company’s financial position under review, taking advice early, and avoiding decisions that unfairly prejudice creditors.
Wrongful trading is a risk area where a company later goes into insolvent liquidation and, broadly, a director knew (or ought to have concluded) there was no reasonable prospect of avoiding that outcome and did not take every step to minimise potential loss to creditors.
Practical tip: if cashflow is tight, keep proper financial records, document decisions, and get insolvency and accounting advice early. It’s often delays and poor documentation - not bad luck - that causes director liability issues later.
2. Overlooking Tax And Filing Obligations
Companies have ongoing compliance duties, including Companies House filings and HMRC obligations.
Late filings, inaccurate filings, or failing to keep proper records can lead to penalties and can also create problems if you want to raise investment or sell the business later (because buyers and investors will check your compliance history).
Note: PAYE, director remuneration, expenses and dividends can have specific tax and accounting requirements. This article is general legal information and isn’t tax advice - it’s worth speaking with your accountant or a tax adviser for the right treatment in your situation.
3. Director Disqualification
In serious cases of misconduct, directors can be disqualified from acting as a director for a period of time. That can be business-ending for founders who rely on being able to run and finance companies.
The takeaway here isn’t to panic - it’s to treat compliance and governance as part of running your business, not an optional extra.
4. “Informal” Decisions That Turn Into Formal Disputes
Many SME disputes aren’t about fraud or dramatic wrongdoing. They start with informal arrangements like:
- no clear rules for who makes decisions
- unclear roles between directors
- no written process for issuing shares or paying dividends
- founders falling out with no agreed exit plan
If you’re growing quickly, it’s worth tightening these things up sooner rather than later - it’s much easier when everyone is still aligned.
Practical Governance Tips: How Directors Can Protect The Business (And Themselves)
Good governance sounds like a “big company” concept, but for startups and SMEs it usually comes down to a few simple habits that make your company more resilient and easier to run.
1. Keep Proper Board Records (Even If You’re A Small Team)
You don’t need a huge boardroom setup. But you do want a clear paper trail for major decisions.
For example, document decisions about:
- appointing or removing directors
- issuing shares or bringing on an investor
- approving large spending or entering major contracts
- taking loans, giving guarantees, or security
- declaring dividends
When you capture decisions properly, you reduce the risk of later disputes like “we never agreed to that” or “you weren’t authorised to sign that deal”.
2. Treat Conflicts Of Interest Like A Process, Not A Personal Accusation
In small businesses, conflicts can feel awkward because everyone knows everyone. But conflict management is just part of running a company properly.
Practical steps include:
- Ask directors to disclose outside interests (other businesses, close family relationships with suppliers, etc.)
- Record disclosures in writing
- Have non-conflicted directors approve the transaction where required
This protects the company and also protects the director from future allegations.
3. Be Clear On Money Moving In And Out Of The Company
SMEs often run into trouble when directors treat company money as “their” money. Even if you own 100% of the shares, you still need to handle payments properly.
Areas to watch include:
- director salaries and PAYE
- dividends (which must be paid lawfully and supported by accounts)
- expense claims (which should be legitimate business expenses)
- loans between you and the company
If you’re lending money to the company (or borrowing from it), it’s smart to document it properly with something like a Director Loan Agreement so everyone is clear on repayment terms, interest (if any), and what happens if things change.
4. Build A “Decision Filter” For High-Risk Choices
When you’re moving fast, it helps to have a simple checklist you run through before major decisions:
- Is this decision in the company’s best interests (not just convenient right now)?
- Do we have the authority under our Articles/shareholder documents?
- Should we record this decision formally?
- Is there any conflict of interest to declare?
- Do we need specialist advice (tax, legal, regulatory)?
That five-minute pause can prevent months of cleanup later.
Signing Contracts And Documents: How To Avoid “Authority” Problems
As a company director, you’ll sign a lot of things - customer contracts, supplier agreements, leases, funding documents, IP assignments, employment documents, and more.
Two common legal issues for SMEs are:
- the wrong person signing (or signing without proper authority), and
- signing in the wrong way (especially for deeds)
Make Sure The Right Person Signs (And It’s Clear They Have Authority)
If a director, employee, or manager is signing on behalf of the company, the other party will usually want comfort that the signature is valid and binding.
If you’re delegating signing (which is totally normal as you grow), you’ll want to understand signing authority so you’re not accidentally creating unenforceable agreements or internal disputes about who approved what.
Be Extra Careful With Deeds
Some documents are executed as deeds (for example, certain property documents, some settlement documents, and some IP-related deeds). Deeds have strict execution rules, and the correct method can depend on whether the company is signing under seal (rare for many SMEs), by two authorised signatories (often two directors, or a director and the company secretary), or by a director in the presence of a witness.
To keep things compliant, it’s worth following practical guidance on executing contracts and deeds so you don’t end up with a document that looks signed but isn’t legally effective.
Do You Need A Witness?
Sometimes you’ll need a witness (for example, where a deed is executed by a single director signing in the presence of a witness, or where the document’s signing requirements specify it). In practice, a witness should be independent, have capacity, and be physically present to see the signature (and then sign themselves).
If you’re unsure, it helps to know who can witness a signature so you don’t rely on an invalid witness (which can create big enforceability issues later).
Practical Tip: Don’t “Template” Your Way Through High-Value Deals
Templates can be useful for low-risk, repeatable arrangements - but for higher-value contracts (or anything strategic), a generic template can leave gaps in:
- payment terms and late payment protections
- scope and deliverables
- termination rights
- liability caps and indemnities
- IP ownership
- confidentiality
Getting the contract right upfront is often cheaper than trying to enforce a vague agreement when a project goes wrong.
Key Takeaways
- Being a company director in the UK means you have formal responsibilities to manage the company properly, not just “run the business” informally.
- Directors have legal duties under the Companies Act 2006, including acting within powers, promoting the company’s success, avoiding conflicts, and exercising reasonable care and diligence.
- Director risk often increases when the company faces cashflow issues, filings are missed, conflicts aren’t disclosed, or major decisions aren’t documented properly - and insolvency situations are a key point where directors should take specialist advice early.
- Clear governance (minutes, decision records, conflict processes) is a practical way to protect your company and reduce disputes - even if you’re a small founding team.
- Be careful with signing contracts and deeds: authority and execution formalities matter, and mistakes can make documents unenforceable.
- Strong legal foundations (like the right constitution documents, shareholder arrangements, and properly drafted agreements) make it easier to grow, raise investment, and handle change confidently.
If you’d like help with the legal side of being a company director - whether that’s setting up the right governance documents, tightening your shareholder arrangements, or reviewing contracts before you sign - you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.
General note: This article is general information only and isn’t legal, tax or insolvency advice. If your company is facing financial distress, or you’re unsure about the tax treatment of director pay or dividends, get tailored advice from a qualified adviser.


