A retainer fee is a recurring payment a client makes to keep you available and working for them, usually monthly, for an agreed amount of work or time. You get predictable income. They get priority access to you without re-quoting every job. It's the model most agencies and consultants end up on once they have clients who keep coming back.
(Lawyers use retainers too, and the word means something a bit different in that world. This page is about the business kind: agencies, consultants, designers, developers, accountants.)
That's the definition. The useful part is the bit most explainers skip: how to price one, what goes in the agreement, and how to stop it quietly turning into unlimited work for a fixed fee. That last one is the real risk.
What is a monthly retainer?
A monthly retainer is a fixed fee a client pays each month in return for an agreed scope: a set number of hours, a list of deliverables, or ongoing access to you. The fee is the same each month. What the client gets for it is written down in advance.
Three shapes turn up most:
- Hours retainer. "$2,000 a month for up to 20 hours." The client is buying time.
- Deliverables retainer. "$3,000 a month for four blog posts and one report." The client is buying output.
- Access retainer. "$1,500 a month so you're on call for questions and reviews." The client is buying availability.
Which one you pick changes how it goes wrong. An hours retainer drifts over when the client asks for "just one more thing". A deliverables retainer drifts when the deliverables swell. An access retainer drifts when "on call" starts to mean "always". If you want the full comparison of the models, there's a longer guide on retainer billing for agencies.
I ran an agency for years and the retainers were the invoices I thought about least. Same client, same number, same date. Which is exactly why they were the ones quietly losing money.
What does retainer mean in payment terms?
In payment terms, a retainer is money paid in advance, or on a recurring schedule, to secure your services over a period. It's different from paying for a finished job. The client is paying for you to be there and ready, and for the work that happens inside the agreed scope.
There are two readings of the word, and people mix them up:
- A recurring retainer. A fee that repeats, usually monthly, for ongoing work. This is the agency and consultant meaning, and it's most of what people are searching for.
- An upfront retainer. A sum paid once before work starts, against which later work is billed. Some people call that a retainer, others call it a deposit or an advance, and the difference depends entirely on what your agreement says.
Both are payments before or during the work rather than after it. What matters is what the agreement says happens to the money: whether it's earned each month, whether it's credited against future invoices, and whether any of it comes back. Which brings us to the next question.
Is a retainer the same as a deposit?
No. A retainer pays for ongoing availability and work, usually on a repeating schedule. A deposit is a one-off payment taken up front and credited against a specific invoice or project. A retainer keeps going. A deposit gets used up and ends.
The easiest way to tell them apart is to ask what happens at the end:
- A deposit is credited against the final invoice. If the project is $10,000 and the deposit is $3,000, the client pays the remaining $7,000. When the job's done, it's done.
- A retainer is earned month by month. At the end of the period the work has been done, and next month it starts again.
Deposits fit fixed projects: a website build, a rebrand. Retainers fit ongoing work: monthly marketing, support, advisory. Plenty of agencies use both for the same client, a deposit to start the build and a retainer for care afterwards.
If you need wording for the deposit side, the deposit request template has the email and the reasoning. If you're setting up the recurring side, the retainer agreement template is the one to start from.
What should a retainer agreement include?
A retainer agreement should say what the fee buys, how long it runs, what happens when the client uses more or fewer hours than agreed, and how either side ends it. If any of those is missing, it becomes a negotiation later, and you'll usually be the one on the back foot.
The list I'd want in writing before the first month:
- The fee and the date. How much, when it's invoiced, when it's due.
- What's included. Hours, deliverables or access. Be specific. "Social media management" is a topic, not a scope.
- What's not included. Work outside the scope is quoted separately. Say so up front, so a "quick favour" has somewhere to go.
- What happens to extra hours. An overage rate, and whether you need approval before going over.
- What happens to unused hours. Lost at month end, carried over with a cap, or turned into credit. Pick one, don't improvise in month four.
- How long it runs and how to leave. A minimum term if you want one, and a notice period for both sides.
- Response times. If you're promising a reply within a day, put it in. If you're not, don't let the client assume it.
- How price changes work. When you'll review the fee and how much notice you'll give.
None of that needs to be long or legal-sounding. It needs to be clear enough that a client reading it in month nine reaches the same conclusion you do. The retainer agreement template is a plain-English starting point. I'm not your lawyer, and if the contract is a big one, have one look at it.
Do retainer fees get returned?
It depends entirely on what the agreement says. A retainer paid for ongoing work is normally earned as the work happens, so there's nothing to return for a month already worked. A retainer paid in advance for a period that then gets cut short might be refundable, partly or fully, if the agreement says so.
Here's how it tends to work, and I'd write whichever applies into the agreement:
- Earned each month. The fee pays for that month's availability and work. Used or unused, it's been earned. This is the usual setup for a recurring agency retainer.
- Credited, then refunded or not. If a client paid ahead and you stop mid-period, say what happens to the remainder. Refund it, credit it to a final invoice, or keep it with a stated reason. The thing that causes arguments is saying nothing.
- Unused hours. This is separate from refunds. Whether unused hours roll over is a rollover policy, not a refund. More on that below.
Rules differ by country and by profession, and the lawyer meaning (money held in trust against future fees) has its own rules. For a business retainer, the safe answer is to write the refund position down before the first payment, and to ask your accountant about how the income is treated for tax.
What does a $1,000 (or $500) retainer mean?
A $1,000 retainer usually means one of two things: $1,000 paid every month for an agreed scope of work, or $1,000 paid once up front before work begins and drawn down or credited as work happens. Which one it is depends on the agreement, so ask or write it in.
The same goes for $500. The number tells you nothing on its own. Three questions pin it down:
- Does it repeat? Monthly, or once?
- What does it buy? Hours, deliverables, or just availability?
- What happens to the part that isn't used? It's lost, carried over, or credited.
Treat a small retainer as a real one. A $500 monthly retainer for four hours is a fine product if the four hours are protected. It's a bad one if the client reads "retainer" as "I can message you whenever I like". The smaller the fee, the tighter the scope needs to be, because there's no slack to absorb extra work.
Can you back out of a retainer agreement?
Usually, yes, as long as you follow the exit terms in the agreement. Most retainer agreements run month to month or for a set term, with a notice period for either side. If there's no notice clause, the position is less clear, so write one before you sign.
What to look for in your own agreement:
- A minimum term. If you agreed six months, ending in month three might mean you owe the remainder, or part of it.
- A notice period. Thirty days is common for month-to-month. It's whatever you wrote.
- What happens to work in progress. Say whether the final month's work is delivered or handed over.
- What happens to unpaid invoices. They stay due. Leaving doesn't cancel them.
If you're the client and want out, read the agreement before you send the email, then give notice in writing and keep a copy. If you're the provider and you want out, the same applies. I'm not giving legal advice here. If there's money at stake and the agreement is unclear, a short call with a lawyer is cheaper than the argument.
What is a reasonable retainer fee?
A reasonable retainer fee covers what the included work costs you, plus the margin you need, at a price the client will actually pay. For an agency, a good starting formula is: fee = (cost rate × included hours) ÷ (1 − target margin). Cost rate is what an hour of the person's time costs you, not what you bill for it.
Here's a worked example, with made-up numbers so you can swap in yours.
- Cost rate: $55 an hour (salary plus the on-costs, spread over the hours the person actually works).
- Included hours: 20 a month.
- Target margin: 40%.
- Cost of the included hours: 20 × $55 = $1,100.
- Divide by one minus the margin: $1,100 ÷ 0.60 = $1,833.
- Round to a number a client can say out loud: $1,850 a month.
That's an effective rate of about $92.50 an hour on the included hours. (Strictly, dividing by 1 − margin is what gives you 40% of the fee as margin. Dividing the cost by 0.40 would give you a much higher fee, so check which one you mean when you plug your own target into a spreadsheet.)
Now stress it. Say the client uses 26 hours, not 20, and you don't charge for the extra six:
- Cost: 26 × $55 = $1,430.
- Margin on $1,850: ($1,850 − $1,430) ÷ $1,850 = about 23%, not 40%.
Six free hours cut the margin by nearly half. If you bill those six at a $110 overage rate, that's $660 extra, the month's revenue is $2,510, and the margin lands at about 43%. That's the whole argument for having an overage rate.
Two practical points:
- Start from cost, then sanity-check against the market. If the number comes out well above what clients like yours pay for similar work, look at the scope, not just the price.
- Use a rate card so it's not a guess. The rate card calculator works out what to charge per hour from what your people cost, and checks the rate you actually got on each project.
Retainers are also easier to raise than people think, as long as you give notice and say why. There's a price increase letter template for exactly that conversation.
What is the typical retainer fee for an accountant, designer or developer?
It varies a lot, and I don't have a source I trust for a number, so I'm not going to make one up. The fee depends on the person's cost, where you are, how many hours are included, how senior the work is, and what the client is willing to pay for the outcome.
What I'd rather give you is how to find your own number:
- An accountant or bookkeeper. Retainers here are often priced on the work involved: monthly bookkeeping, a tax review, advisory calls. Start with the hours the work takes and your cost rate, then use the formula above.
- A designer. Usually an hours retainer or a set of deliverables per month. The risk is revision rounds, so put a limit on them.
- A developer. Often an hours retainer for maintenance, fixes and small features, with an overage rate for urgent work.
In all three cases the same thing applies. Cost rate times included hours, divided by your target margin, gives you a floor. What the market will pay sets the ceiling. If the floor is above the ceiling, the problem isn't the retainer, it's the cost of the work or the scope.
Where I do have numbers is your own. Run your last three months through the formula and see where you'd have landed. That's more useful than any average.
How does Handl handle retainers?
Handl lets you set a retainer with included hours, an overage rate and a rollover policy, and it raises the invoice on the date you set. Each retainer can have a rollover policy of none, carry over with an hour cap, or convert to credit.
One thing worth being straight about: included hours in Handl are advisory. They drive alerts so you see a client approaching or passing their hours. They are not a hard cap, and Handl never stops work or blocks anything when the hours are used up. What you do when a client goes over is still your call, which is the point. The tool gets you the number early, so you can have the conversation in week three, not at month end.
If you want to run your own numbers first, the retainer overage calculator shows what going over does to a month. And if you want the recurring invoicing taken care of, retainer billing in Handl is the page for it.
The bottom line
A retainer is a recurring fee for an agreed scope, and the scope is the part that matters. Price it from your cost and your margin, write down what's included, what's not, and what happens to extra and unused hours, and check it every month.
Retainers with included hours, overage and rollover, invoiced on the date you set. See how Handl handles retainers.