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Referrals & growth
Upselling Services to Existing Clients
Growing revenue from clients you already have is cheaper and faster than winning new ones.
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- Premier Books Consultancy
- Cranleys Chartered Accountants
- CJM Accountants
- Towpath Accounting Solutions
- Auditax International
- RS
Quick answer
Upselling works best when it's tied to a genuine need you've spotted — a director who should be on a payroll scheme, a landlord who needs quarterly management accounts — not a generic pitch. Track services per client so gaps are visible, and raise the opportunity as advice, not a sale.
What does upselling actually look like in an accounting practice?
Upselling in practice means identifying an existing client's unmet need — a missing service, a compliance gap, an inefficiency — and offering to solve it as a natural next step, not a hard sell.
Most accounting clients only use the one or two services they signed up for originally, even when their business has grown and their needs have changed. A client who joined for a self assessment return three years ago as a sole trader may now be a limited company needing payroll, VAT and management accounts — but if nobody reviews the relationship, that gap stays invisible.
Done well, upselling doesn't feel like selling at all. It feels like the accountant noticing something the client hadn't thought to ask about.
Why missed upsell opportunities cost UK practices revenue
A client's business grows, crosses the VAT threshold, or incorporates — and the firm keeps billing exactly the same fee for exactly the same scope, because nobody reviewed the relationship. Eighteen months later a competitor spots the gap during a casual conversation and picks up the extra work.
This is one of the most common leaks I see. Firms are so focused on delivering the service they were originally engaged for that reviewing whether that scope still fits the client's current situation just doesn't happen. There's no prompt, no annual check, nothing forcing the conversation.
The client isn't being deliberately disloyal by going elsewhere for the extra work — they simply never knew you could help, because nobody told them.
- Client's business changes
- No review of current services
- Gap in coverage goes unnoticed
- Client finds another provider for the extra work
- Fee stays flat or client relationship weakens
- Leak: Competitor gets the additional revenue
Signs you have this problem
- You've never reviewed a client's full service list against their current business situation
- Fee levels haven't moved even as clients have grown or changed structure
- You don't know which clients only use one service
- There's no annual or trigger-based review of client needs
- New services are only offered when a client happens to ask
How to identify and act on upsell opportunities: step by step
- 1
Map current services per client
List what each client actually pays for versus what their business situation suggests they might need.
- 2
Set trigger points
VAT threshold, incorporation, new employees or a property purchase are natural moments to review scope.
- 3
Raise it as advice, not a sale
Frame the conversation around the client's situation — “now you've taken on staff, here's what you'll need for payroll” — not a service menu.
- 4
Use a proposal, not a verbal agreement
Send a clear proposal for the additional service so scope and price are agreed in writing.
- 5
Update the engagement letter
Reflect the new scope formally so both sides know what's covered.
- 6
Review annually
Build a service review into your annual client meeting so gaps don't build up again.
Service gap conversation starter
Use this as a script prompt or short email when you spot a gap during a client review.
Copy and adapt
Hi [Client name], While reviewing your accounts for this year, I noticed [specific trigger — e.g. you're now close to the VAT threshold / you've taken on your first employee / the business has incorporated]. This usually means it's worth looking at [service — e.g. VAT registration support / payroll / management accounts] so nothing catches you out. Happy to talk through what that would involve and what it would cost — no obligation either way. [Your name]
How does Remindoo help accountants spot and act on upsell opportunities?
Remindoo's centralised client information keeps every service, document and note in one record, so it's easy to see at a glance what a client is currently signed up for and where the gaps might be. Custom fields let you record business changes — new employees, incorporation, VAT status — that flag a client for a scope review. When you spot an opportunity, the products and services catalogue and drag-and-drop proposal templates let you send a professional proposal for the additional work in minutes, and convert it into an updated engagement letter once signed. Client timeline keeps a record of when the conversation happened and what was agreed. It's free CRM for accountants and bookkeepers — free for 60 days, then per-client pricing with unlimited users.
Centralised client information
Services, documents and notes in one record.
See featureCustom fields and data tokens
Capture and reuse the data your firm needs.
See featureProducts and services catalogue
Your services and prices, organised.
See featureProposal templates
Drag-and-drop builder for consistent proposals.
See featureClient timeline
Full history of notes, emails and actions.
See featureWhat changes when you fix it?
| Area | Spreadsheets, inbox and memory | With Remindoo |
|---|---|---|
| Spotting gaps | Only noticed by chance | Visible from centralised client record |
| Recording changes | Not tracked anywhere formal | Custom fields flag key triggers |
| Proposing new work | Verbal, informal | Proposal template sent in minutes |
| Updating scope | Old engagement letter left as-is | New letter issued and signed |
| Reviewing annually | Rarely happens | Built into the client record review |
See it working with your own clients
A 30-minute walkthrough using your leads, services and deadlines.
What are the most common upsell trigger points?
Certain business events reliably create a need for additional services, and are worth watching for in every client relationship.
| Trigger | Likely service gap |
|---|---|
| Approaching VAT threshold | VAT registration and returns |
| First employee hired | Payroll |
| Sole trader incorporating | Company accounts, CT600, payroll |
| Buying a rental property | Property tax advice, SA support |
| Rapid growth | Management accounts, forecasting |
| MTD ITSA threshold reached | Quarterly updates support |
“Companies House integration onboards clients in minutes; AML scoring keeps us compliant.”
Frequently asked questions
How do I upsell without seeming pushy?
Frame it around a genuine change in the client's circumstances rather than a general pitch — advice framed around their situation lands very differently to a sales script.
Should I upsell during busy season?
Avoid it during peak deadline periods when clients are stressed; trigger-based reviews and annual meetings are better moments.
How often should I review a client's full service list?
At least annually, plus whenever a significant business change happens — new employees, incorporation, crossing a tax threshold.
Does upselling risk the client relationship?
Only if it's poorly timed or feels like a hard sell; done as genuine advice tied to their actual situation, it usually strengthens trust rather than damaging it.
Do I need a new engagement letter for additional services?
Yes — scope should be documented formally so both sides are clear on what's covered and at what fee.
What's the easiest upsell to start with?
Payroll and VAT registration are common, high-visibility triggers that are easy to spot from basic client data and rarely controversial to raise.
Ready to run a calmer practice?
See Remindoo with your own clients, or start free for 60 days with unlimited users.
Sources
Comparing options? Read our guide to crm for accountants.
Last updated: . General guidance, not regulatory advice.
Why recording every task matters in an accountancy practice
Accounting firms run on deadlines: VAT returns, payroll, confirmation statements, accounts and Self Assessment. Recording every job as a task, with an owner and a date, is the simplest way to make sure nothing is missed.
Avoid penalties
HMRC and Companies House charge penalties for late filing. A task for every deadline, with an internal date before it, gives the team a buffer.
Nothing depends on memory
Recorded tasks mean work continues when someone is off sick, on leave or has left the firm.
Consistent quality
Subtask checklists make every job follow the same steps and reviews, whoever does the work.
Visibility for managers
Filters by owner, status and deadline show at a glance what is late, what is due and who needs help.
Practical tips from UK practice
- Set an internal deadline two to four weeks before every statutory deadline.
- Use recurring tasks for repeat work such as VAT, payroll and bookkeeping.
- Break larger jobs into subtasks, including a review step.
- Comment on the task instead of by email, so the history stays with the work.
Related Remindoo features
Written and reviewed by Waqas Sagar ACA FCCA FMAAT, Chartered Accountant with 18+ years in practice. Founder and MD of Accotax, an ICAEW, ACCA and AAT regulated London practice that has served over 5,000 clients, and founder of Remindoo. Guidance is general; check current GOV.UK and professional body guidance for your firm.
What UK practices say about Remindoo
Read all reviews on Trustpilot“With Remindoo, everything from the first enquiry to onboarding and ongoing client management is tracked in one place… It saves us hours and gives me, as a practice owner, complete visibility of where the firm stands.”
“The biggest benefit is having clients, tasks, deadlines, workflows, proposals and communication all organised in one place.”
“During my trial, the team were absolutely amazing. They helped onboard my clients, set up my settings and made sure everything was ready for me to use… they made the whole process completely stress-free.”
“It brings client information, tasks, recurring deadlines, workflows and reminders together in one place, giving us much better visibility across the team.”
