How many clients should a financial adviser have?
UK benchmarks from the FCA, NextWealth and Dynamic Planner, the hours behind each client, how many new clients you need to replace the ones you lose, and a calculator.
On this page
Most of the search results for this question are American, which doesn't help a UK adviser much. The benchmarks below come from the FCA, NextWealth and Dynamic Planner, all dated and linked, and we've added the sum that matters for growth: how many new clients a book needs each year, and what it costs to find them.
What is the average number of clients for a financial adviser?
Four recent UK sources, each counting slightly differently:
| Source | Clients per adviser | What it measures | Published |
|---|---|---|---|
| FCA financial advice firms survey 2025 | 150 | The FCA's "typical adviser", from 4,100+ firm responses; alongside £250,000 of assets and £2,000 of revenue per client | 23 Apr 2026 |
| Dynamic Planner, Advice 2026 | 134 (118 in 2025; 142 at the largest firms) | Average clients served per adviser, survey of 530 advisers | May 2026 |
| NextWealth Financial Advice Business Benchmarks 2026 | 88 | Average clients managed per adviser, 318 advice professionals, weighted by firm size | 9–10 Sep 2026 |
| The lang cat, Advice Gap 2024 | 120 mean, 100 median | What advisers said was the ideal number, not their current caseload | 2024 |
Sources: FCA, Understanding the financial advice market; Dynamic Planner Advice 2026; NextWealth, 10 September 2026; The lang cat Advice Gap 2024, p.28.
Why the spread? "Client" can mean an individual or a household, all clients or only those paying ongoing fees, and some surveys divide by every adviser while others ask each adviser about their own book. The direction is consistent, though. Older FCA data put ongoing clients per adviser at 86 in 2016 and 115 by 2022 (as reported by Platforum), and 49% of advisers told NextWealth this year they personally serve more clients than a year ago. Books are getting bigger.
For comparison, US research by Kitces found 71 ongoing clients per lead adviser at registered investment advisers (Kitces, 2019). US figures get quoted a lot in answers to this question. They describe a different market, with different fee models.
How many clients can one adviser look after?
NextWealth's 2026 benchmarking gives the most useful numbers for working this out. An existing client takes about 62 hours of staff time a year, of which about 15 hours are the adviser's. A new client takes about 32 hours to onboard (NextWealth). Multiply out and you can see where the ceiling sits:
| Book size | Adviser hours a year (15 each) | Adviser hours a week (46 weeks) | Team hours a year (62 each) |
|---|---|---|---|
| 50 clients (solo, unsupported) | 750 | 16 | 3,100 |
| 88 clients (NextWealth average) | 1,320 | 29 | 5,456 |
| 100 clients | 1,500 | 33 | 6,200 |
| 134 clients (Dynamic Planner average) | 2,010 | 44 | 8,308 |
| 150 clients (FCA typical) | 2,250 | 49 | 9,300 |
At 150 clients, an adviser giving each one 15 hours would spend nearly 49 hours a week on existing clients alone, before a single new-client meeting. That's not a workable week. So an adviser with 150 clients is either spending less time per client (a lighter service for smaller clients, more done by paraplanners and administrators) or working in a team that absorbs the load.
NextWealth's conclusion is to ask how many clients the whole team can support well. It also cites US research finding that adviser wellbeing peaks at around 50 clients for an unsupported solo adviser and just under 100 for a supported one (a US finding, not a UK limit), and describes a UK firm running at 150 clients per adviser (with average client assets of £400,000) that thinks AI tools could take it to 200.
Put the hours and the survey figures together and three planning scenarios fall out. They depend entirely on what your service agreement promises and who does the work:
- Solo adviser doing most of the work: at 15 hours a client, 80 clients is already about 26 hours a week of servicing before any new business.
- Adviser with a paraplanner and administrator: the 88–150 range in the surveys above is where most supported advisers sit.
- Heavily supported, segmented service: 150+ is possible where the service each client has agreed to is lighter and a team delivers much of it.
If you're near your ceiling, many firms look at paraplanning support first. We've looked at the cost in paraplanner salary UK. The other lever is systems: a back office that runs reviews as repeatable workflows (compared in financial adviser CRM and back office software) and a cashflow tool that cuts the hours per plan (see cashflow modelling software).
How much revenue does each client bring in?
The FCA's survey puts the typical client at £250,000 of assets and £2,000 of revenue a year. That squares with the average ongoing fee of 0.83% (NextWealth 2026): 0.83% of £250,000 is £2,075. NextWealth also reports firms' average minimum ongoing fee at £1,935 a year.
| Clients | At £2,000 each | At £3,000 each | At £4,000 each |
|---|---|---|---|
| 50 | £100,000 | £150,000 | £200,000 |
| 88 | £176,000 | £264,000 | £352,000 |
| 100 | £200,000 | £300,000 | £400,000 |
| 150 | £300,000 | £450,000 | £600,000 |
This is the table that answers the question better than any single number. An adviser with 60 clients paying £4,000 each out-earns one with 110 clients paying £2,000, and works fewer hours. That's why the average client portfolio keeps rising (NextWealth put it at £536,904 this year) and why 78% of firms raised their minimum in the past year, to an average of £168,000 (Dynamic Planner 2026). What those fees turn into as take-home pay is in what financial advisers earn, and fee levels are in IFA fees in the UK.
What is the 80/20 rule for financial advisers?
It's the old Pareto idea applied to a client book: roughly 20% of clients produce 80% of revenue. Russell Investments describes it as a common rule of thumb for advice businesses (Russell Investments). We couldn't find a measured UK figure, so read 80/20 as a rough description of how a book is shaped.
With percentage fees, a skewed book is normal. Here's an illustrative 100-client book on a 0.75% ongoing charge:
| Clients | Assets each | Fee each (0.75%) | Total fees | Share of revenue |
|---|---|---|---|---|
| Top 20 | £1,000,000 | £7,500 | £150,000 | 59% |
| Next 30 | £300,000 | £2,250 | £67,500 | 26% |
| Last 50 | £100,000 | £750 | £37,500 | 15% |
Illustrative book, not survey data. Total fees £255,000. If the last 50 paid the £1,935 average minimum ongoing fee reported by NextWealth 2026 instead of 0.75%, the top 20 would pay 48% and the last 50 about 31%.
The top fifth pays 59% of the fees here, not 80%, and your own book may be flatter or more skewed. The useful point is concentration: losing two or three of your largest clients hurts far more than losing a dozen small ones, and those clients deserve the service time. Two practical consequences:
- Firms are cutting the tail. 44% of firms switched off ongoing fees for clients who no longer fit (NextWealth 2026), and 55% of advisers have stopped serving low-asset clients (lang cat Advice Gap 2025). That frees hours for the clients who pay for them.
- The next client you add should look like your top fifth. Replacing a £750-a-year client with a £4,000-a-year client changes your numbers far more than adding two more small ones.
That's also why we set our appointment floor where we did. InvestmentsBooked meetings are with people who self-declare £250k+ in defined-contribution pensions, above every published average minimum. See pension appointments or, for £1m+ pots, high net worth appointments.
How many new clients does a financial adviser need each year?
Start with how many you lose. There's no survey of UK client attrition, but the FCA's market data gets close. In 2025 firms reported 338,537 clients who stopped paying ongoing advice charges, against 4.16m clients paying for ongoing advice at the year end (FCA retail intermediary market data 2025, underlying data table 23). That's about 8%. It isn't a measured churn rate: it counts anyone who stopped paying for ongoing advice, whether they died, moved adviser, cancelled, were offboarded, or stayed with the firm on a different basis. The FCA also changed its methodology for 2025, so don't compare it with earlier years. Treat 8% as a planning assumption and use your own figure if you track it.
Just to stand still, with first meetings needed at a 25% show-to-client rate in brackets:
| Book | Losing 5% a year | Losing 8% a year | Losing 10% a year |
|---|---|---|---|
| 80 clients | 4 (16 meetings) | 7 (26 meetings) | 8 (32 meetings) |
| 100 clients | 5 (20 meetings) | 8 (32 meetings) | 10 (40 meetings) |
| 120 clients | 6 (24 meetings) | 10 (39 meetings) | 12 (48 meetings) |
| 150 clients | 8 (30 meetings) | 12 (48 meetings) | 15 (60 meetings) |
So an adviser with 120 clients losing 8% a year needs about 10 new clients a year, or around 40 first meetings at a 25% show-to-client rate, to hold still. Growing by 10 clients a year roughly doubles that. The market as a whole is doing better than standing still: the same FCA data shows about 560,000 clients new to ongoing advice in 2025, which works out at roughly 18 per adviser across 31,000 advisers. (That figure can include existing clients moving onto an ongoing service, so it's an upper estimate of genuinely new clients.)
The 25% show-to-client rate is an assumption for illustration. At 10% you'd need two and a half times as many meetings; at 40%, fewer than two-thirds as many.
Client-number calculator
Set your current book, where you want it to be, and how fast. It works out the new clients and first meetings you need each year, the revenue at your target and whether you'll have the hours.
Illustrative only, not a forecast or financial advice. Each year the model loses your chosen percentage of the book and adds enough clients to replace them plus an equal share of the growth to your target; results are yearly averages, with the busiest year shown. The target can't be set below today's book. The default 8% loss rate is an assumption based on FCA data on clients who stopped paying for ongoing advice. Servicing hours = clients × your hours per client ÷ 46 working weeks, excluding new-client work (about 32 staff hours each, per NextWealth 2026). The last line prices first meetings at £500 per qualified show; the 25% default conversion is an assumption and your results depend on your fees, speed and proposition.
Most advisers won't buy every meeting, and shouldn't. Referrals are still the biggest source of new clients. But the calculator shows the size of the gap to fill, and that's the number to plan around.
How do you know you have too many clients?
The FCA's 2025 review of ongoing advice sampled 22 large firms and found annual reviews delivered in about 83% of cases, clients declining or not responding in 15%, and firms making no attempt in under 2% (FCA, February 2025). Those are large-firm findings, not a capacity benchmark for a small IFA, but they show the regulator checks whether paid-for reviews happen. St James's Place set aside £272.3m at the end of 2025 for its own ongoing-service evidence issue. Charging for a review you don't deliver is expensive when it catches up with you. Signs you're past your number:
- Annual reviews slipping past their anniversary
- Emails and calls taking days to return
- You're turning away new clients who fit your ideal profile because the diary is full
- Paraplanning and admin running weeks behind
- Your biggest clients get the same attention as your smallest
The fixes, roughly from cheapest to most drastic: hire support; raise your minimum for new clients; offer a lighter service tier for new or smaller clients (any change to an existing client's paid service needs proper notice and agreement, and the service still has to be fair value); move smaller clients to a junior adviser; or sell part of the book. If you're weighing that last one, what an IFA client bank is worth runs through current multiples.
What if you don't have enough clients yet?
For a newer adviser, the maths above is sobering. At 15–20 new clients a year it takes five years or more to reach 100. The routes that shorten it:
- Referrals and introducers, still the largest source (56% of new clients in NextWealth's 2026 data, down from 67% the year before). Slow to build, cheap once running.
- Inheriting or buying clients from a retiring adviser, either within your firm or as a client bank.
- Your own marketing, which works but needs time, budget and promotions signed off by your compliance support or network.
- Paid introductions: enquiries from directories and lead sellers, or pre-booked meetings where you pay only when the person turns up.
We've compared those channels on cost per client in how to get clients as a financial adviser. If booked meetings with people who self-declare £250k+ in pensions would help fill the gap, here's how InvestmentsBooked works and what it costs: £500 per qualified show, with no-shows credited back, across four appointment types.
Figures checked 27 September 2026. Sources: FCA, Understanding the financial advice market: financial advice firms survey 2025 (23 April 2026); FCA retail intermediary market data 2025 and underlying data table 23; NextWealth, How many clients could an adviser advise if the adviser didn't do everything? (Julie Best, 10 September 2026) and Financial Advice Business Benchmarks 2026; NextWealth Fee Benchmarking 2026; Dynamic Planner, Advice 2026 (via Financial Planning Today); The lang cat, Advice Gap 2024 and 2025; Platforum (21 October 2022); Kitces (2019); Russell Investments on the 80/20 rule; Professional Paraplanner on NextWealth offboarding data; FCA ongoing advice services review findings (24 February 2025); St James's Place full-year 2025 results. Worked examples and the calculator are illustrative. InvestmentsBooked is not authorised by the FCA and does not give financial advice.