One of the most common questions we hear from people who have just formed a limited company — or who are thinking about it — is whether they actually need an accountant. The short answer is no, not legally. There is no statutory requirement for a UK limited company to engage a qualified accountant. You are allowed to prepare and file your own accounts.

But ‘allowed to’ and ‘should’ are different things. The question of whether you need an accountant for a limited company is really a question about how much risk you are comfortable carrying, how much of your own time you are prepared to spend on financial admin, and whether the tax savings available to a well-structured limited company are something you are likely to find on your own. In our experience, the answer for most owner-managed businesses is fairly clear — and it points firmly toward getting proper support.

Running a limited company comes with a set of statutory obligations that do not apply to sole traders. Every year, your company must prepare full statutory annual accounts, file those accounts with Companies House, and submit a Company Tax Return (CT600) to HMRC. You also need to pay any corporation tax owed — or notify HMRC if none is due — within nine months and one day of your accounting period ending. The CT600 itself must be filed within twelve months of the period end.

For first-year companies, the Companies House deadline for filing initial accounts is 21 months after the date of incorporation. After that, it drops to nine months from your financial year end. Miss these deadlines and the company faces automatic penalties. Miss them repeatedly and the fines escalate. If the accounts are wrong, it is the directors who are personally accountable — not whoever prepared them on your behalf, though a competent accountant will carry professional indemnity insurance as an added layer of protection.

None of this is designed to be difficult, but it is easy to underestimate the administrative weight of it when you are also trying to run a business. Most directors who attempt to manage it alone find they spend far more time than they expected — and still feel uncertain whether they have got it right.

One thing that surprises many new company directors is the extent to which they remain personally liable for mistakes in the company’s accounts and tax filings. A limited company provides liability protection in many commercial contexts, but it does not shield you from HMRC if you submit an incorrect return, miss a deadline, or fail to pay the right amount of tax.

HMRC can and does investigate small limited companies. If errors are found — whether through genuine misunderstanding or poor record-keeping — the penalties are charged to the company, but as a director, the reputational and financial fallout lands with you. In cases of deliberate inaccuracy or fraud, personal liability can go considerably further.

This is not a scare story. Most directors running clean, well-organised businesses are at low risk of serious HMRC trouble. But ‘low risk’ and ‘no risk’ are not the same thing, and the complexity of running a limited company correctly — with VAT returns, payroll, PAYE, director salary levels, and dividend distributions all in play — means the margin for error is narrower than many people assume when they first incorporate.

The compliance argument is one side of the ledger. The other is what a good accountant actually saves you.

For a limited company director, the tax position is genuinely more complex than for a sole trader — and that complexity creates legitimate planning opportunities. The right split between salary and dividends can meaningfully reduce your overall tax and National Insurance bill. Correctly identifying and claiming allowable business expenses reduces your taxable profit. If your company turns over more than £90,000 (the current VAT threshold), VAT registration, scheme selection, and quarterly compliance add another layer that benefits from professional handling.

A study of over 4,000 UK small businesses found that firms using accountants boosted revenues by an average of 11.5%. That figure is hard to attribute to any single cause, but it is consistent with what we see in practice: business owners who are not drowning in admin have more time to focus on growth, and those who receive regular financial oversight make better commercial decisions.

Beyond the tax and time savings, there is a practical consideration that many directors overlook. If you ever apply for a business loan, a commercial mortgage, or even a rental property, many lenders will ask for an accountant’s reference or formally prepared accounts. Self-filed accounts can complicate those applications considerably.

Accountancy fees for a small limited company vary depending on the scope of work — but they are rarely the prohibitive expense people fear. For a straightforward owner-managed limited company with one or two directors, a combined package covering year-end accounts, corporation tax return, and basic director support typically sits in the range of £100 to £250 per month, depending on turnover, complexity, and whether bookkeeping and payroll are included.

Put differently, you are paying for someone to handle your statutory compliance, keep you on the right side of HMRC, and make sure your tax position is structured sensibly. The time saved — several hours a month at a minimum, often considerably more — has real value, especially if those hours would otherwise come out of billable work or evenings.

The question is not really whether you can afford an accountant. For most limited companies, the question is whether you can afford to spend your own time doing it — and whether the tax and compliance risk of doing it without professional support is one you are comfortable accepting. In most cases we see, those two calculations together make the decision straightforward.