Ask any London business owner what frustrates them most about their accountant, and the answer rarely involves numbers. It is almost always about communication: emails that go unanswered for days, jargon-heavy replies that raise more questions than they solve, or the sinking feeling that nobody is really keeping track of your affairs between one deadline and the next. Good communication is not a soft extra bolted on to technical competence. It is the foundation that makes the technical work useful in the first place. If you cannot understand what your accountant is telling you, or cannot reach them when it matters, the quality of their tax knowledge counts for very little. Understanding what good communication actually looks like in practice makes it much easier to recognise when you are getting it, and when you are not.
Clarity Over Jargon
The first hallmark of good communication is plain English. A capable accountant should be able to explain a corporation tax liability, a dividend strategy or a VAT registration threshold without reaching for acronyms you have never heard of. If every conversation leaves you more confused than when it started, that is not a sign of complexity beyond your understanding; it is a sign that the explanation was poorly pitched. The best advisers translate technical detail into practical consequences: what it means for your cash flow this quarter, what decision you now need to make, and by when. Look for accountants who check that you have understood, rather than simply delivering information and moving on. It is also worth noticing whether they adjust their explanations to your level of familiarity, rather than delivering the same standard script to every client regardless of experience.
There is also a subtler test worth applying: does your accountant explain the reasoning behind their advice, or simply the conclusion? A recommendation without context leaves you unable to judge whether it still applies when your circumstances shift slightly, whereas an explanation grounded in your specific numbers gives you something you can reason about yourself later. Business owners who receive this kind of layered explanation tend to become noticeably more confident over time in spotting when a situation might need fresh advice, rather than assuming last year's answer automatically still holds.
Timeliness That Matches Your Business Rhythm
Communication that arrives too late is often worse than no communication at all. A warning about a tax payment due in three days gives you no room to plan; the same warning delivered six weeks earlier gives you options. Good communication means proactive scheduling of key dates, early flagging of anything unusual in your figures, and responses to queries within a reasonable window rather than an open-ended one. Small business owners in London are used to moving fast, and they need an accountant whose pace of response reflects that reality rather than a firm that treats every enquiry as something to fit in when time allows. When timeliness slips consistently, it is rarely a one-off oversight; it usually reflects how the firm prioritises its workload, and where your business genuinely sits within that.
Consistency of Contact
Many businesses discover, usually at the worst possible moment, that the person who understood their affairs has left the firm and nobody briefed a replacement. Consistency matters because tax and financial planning are cumulative; each conversation builds on the last. When you are working with a genuinely dedicated point of contact rather than a rotating cast of junior staff, you avoid repeating your business history every time you pick up the phone. That continuity is one of the clearest markers of a firm that takes communication seriously, and it is worth asking about directly before you commit to any engagement. Ask specifically how the firm handles staff changes, and what happens to your account if your usual contact moves on or leaves altogether.
Two-Way Dialogue, Not One-Way Reporting
Good communication is not simply your accountant telling you things. It includes them listening properly when you describe a new contract, a hiring decision or a change in trading pattern, and then adjusting their advice accordingly. A firm that only ever produces standard reports without asking what is actually happening in your business is communicating in one direction only. The strongest client relationships involve regular, structured conversations where you set the agenda as much as your accountant does, covering upcoming plans as well as past performance. This kind of genuine dialogue also tends to surface issues earlier, simply because your accountant is actively listening for changes rather than waiting to be told when something has already gone wrong.
Written Confirmation You Can Rely On
Verbal reassurance is useful, but for anything with tax or financial consequences, you should expect written confirmation. This protects both sides: you have a record of what was advised and when, and your accountant has clarity on what was agreed. Good practice includes a short written summary after significant calls, plain-English covering notes with any filings, and a clear paper trail for decisions such as dividend timing or expense treatment. If your current arrangement relies entirely on memory and informal chats, it is worth asking for more structured follow-up, particularly around anything that could later be questioned by HMRC or a future adviser reviewing your affairs.
What to expect from well-run communication
- A response to routine queries within one to two working days
- Clear notice ahead of every filing and payment deadline
- Plain-English explanations, checked for understanding
- A consistent contact who knows your business history
- Written summaries of anything with financial consequences
Access to Someone Who Can Actually Decide
One of the most common complaints from growing businesses is being passed between junior staff for anything beyond the most basic query, with no route to someone senior enough to give a firm answer. Good communication includes knowing that, when a decision genuinely matters, you can reach someone with the authority and experience to make the call. This is precisely why many London businesses now look for firms offering direct access to senior advisers as part of their standard service, rather than treating it as a premium add-on reserved for the largest clients. That direct route to genuine expertise often makes the difference between a decision made with confidence and one made on a guess.
Honesty When Things Are Uncertain
Tax law is not always black and white, and a good accountant will tell you when an area is genuinely uncertain rather than presenting a confident answer to mask doubt. This kind of honesty builds trust far more effectively than false certainty ever could. It also means being told promptly if something has gone wrong on either side, rather than discovering it weeks later through a penalty notice. Communication that only flows when the news is good is not communication you can rely on when it matters most, and businesses that have experienced this kind of selective silence tend to value transparency far more highly once they finally find it.
The Bottom Line
Strong communication is not a bonus feature of a good accountancy relationship; it is the mechanism through which everything else gets delivered. Clarity, timeliness, consistency, genuine dialogue, written confirmation and access to someone senior are not luxuries for London businesses to hope for. They are reasonable, achievable standards that any firm serious about client service should be able to meet. If your current arrangement falls short on these points, it is worth having a direct conversation about what better communication would actually look like, and whether your accountant is willing and able to provide it.
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