Why do marketing agencies use 12 month contracts? (The honest answer)

By Doug Dinwiddie, Founder, Maitland

Published 2026-08-05

Why do marketing agencies insist on 12 month contracts? The honest reasons, the trap versions to walk away from, and why our own partnership runs 13 months.

Executive summary

Long marketing contracts exist for two honest reasons: marketing channels have clocks, with SEO and content needing six to 12 months to compound, and committed revenue lets an agency put senior people on your account. The length is only fair when it binds both sides. Walk away from a term with no reason attached, deliverables written as activity, one-sided exit clauses, buried auto-renewal and no milestones. Our own partnerships run 13 months because the first month is diagnostic, and we would rather name it than hide it.

Why does almost every marketing agency want to lock you in for a year? And is a 12 month contract ever actually in your interest, or is it just the agency protecting its income?

You are in the right place, and you deserve a straight answer, because I sign these agreements from the other side of the table. Ours run for 13 months, and by the end of this article you will know exactly why, and you will be able to tell a fair long contract from a trap in about five minutes of reading anyone's terms.

Here is what we will cover: the suspicious version of the question and why your instinct deserves respect, the two honest reasons long contracts exist, the trap versions you should walk away from, what a fair agreement looks like, what to demand in writing before signing any term, and the honest case for and against rolling monthly contracts.

Your suspicion deserves respect

Let us start by taking your side of this seriously, because the fear is not paranoia.

Plenty of businesses have signed a 12 month marketing contract, watched three months of underwhelming activity, asked hard questions, and discovered the only thing performing well was the exit penalty. If that has happened to you, no paragraph about compounding growth is going to talk you out of your scepticism, and it should not. A long contract in the wrong hands is a licence to coast.

So the question is not whether long contracts can be abused. They can. The question is whether the length itself is the problem, and it is not. The problem is length without a reason. Here are the reasons, when they genuinely exist.

Honest reason one: marketing channels have clocks

Different marketing channels produce evidence at different speeds, and no contract can change that.

Paid search and paid social show meaningful signal within 30 to 60 days. SEO and content are different animals: six to 12 months before compounding shows properly, because authority is earned, not bought. Conversion work moves in test cycles, each one teaching the next. Email builds with the list.

A contract shorter than the channel's clock sets everyone up to fail. The agency gets judged at week six on work that could not possibly have matured, panics, and starts chasing quick wins that undermine the strategy. You pay for the beginning of something over and over without ever reaching the middle. Businesses that hop agencies every few months often spend years buying month one repeatedly, which is the most expensive way to buy marketing ever devised.

If the work you need is genuinely slow-burn, the term is not the agency protecting itself from you. It is the plan protecting itself from impatience, yours and theirs.

Honest reason two: the quiet commercial part

Now the part agencies rarely say out loud, so we will.

Committed revenue lets an agency plan. It hires against it, assigns senior people to your account against it, and invests unpaid early effort, audits, research, in-person visits, against the expectation of a partnership long enough to repay it. A serious first month costs an agency more than it bills. No agency can do that properly on an arrangement you might cancel at the first wobble.

That is not sinister. It is the same logic as any business, including yours. But it means the commitment must cut both ways. If you are giving a year of certainty, you are entitled to a year of accountability: named targets, transparent reporting, and an agency that treats the term as runway for results rather than a warranty against consequences. When only one side is locked in, that is not a partnership. It is a subscription with a penalty clause.

When a 12 month contract is a trap

Walk away, whatever the chemistry, when you see these.

A term with no reason attached. If the agency cannot explain in plain English why this length fits this work, the length is for their benefit alone. Deliverables written entirely in activity: posts published, hours worked, keywords tracked, with no outcomes anywhere. An exit clause with teeth on your side and none on theirs. Auto-renewal buried in the terms, quietly rolling you into year two unless you object in a specific window nobody mentions. And no measurable milestones along the way, which means the first honest conversation about performance is scheduled for month 11.

Any one of these turns a fair structure into a cage. Two or more and the contract was designed by someone expecting you to want to leave.

What a fair long contract looks like

The fair version is recognisable in minutes.

The reason for the term is explained before you ask, and it maps to the channels involved. The first month is diagnostic: audit, tracking, baseline, so every later claim can be checked against something. Milestones exist inside the term, quarter by quarter, with reporting you can read. The signs the work is actually delivering are visible from month two, long before revenue fully moves. And renewal is a decision, discussed in the open, not a default that happens to you.

Notice what this structure does: it keeps the commitment and removes the hiding places. That is the entire test. A fair contract binds both sides to the plan. A trap binds you to the invoice.

One more marker of fairness sits in the money itself. A fair agreement is transparent about what the fee covers and what it does not, with ad spend and tools named and passed through at cost rather than quietly marked up inside the retainer. If you do not yet know what the market charges, read our guide to what a marketing agency actually costs before you read anyone's terms, because a fair term at an unfair price is still a bad deal.

Why ours runs 13 months, not 12

Here is our version, so you can judge the sermon against the practice.

GROW partnerships run 13 months because the first month is not delivery. It is the Deep Dive: we audit everything, visit in person, set the tracking and take the baseline. Charging you a year of delivery that quietly includes a month of setup felt dishonest, so we named the thirteenth month instead of hiding it. The next 12 are action, tracked live on a dashboard you can open any day, refined as the data comes in, with each win built to stack on the last.

What does the runway produce? The Auckland Project stayed the course and saw revenue rise 1208 per cent at a 14 times return on investment, with ticket sales up 787 per cent. Across all our clients in the last 12 months, the average was 52 per cent growth. Numbers like those are not available in month two of anything, and we would rather tell you that before you sign than explain it after.

Our prices and terms are published in full , because a commitment you can inspect in advance is the only kind worth making.

What to demand in writing before signing any term

Whoever you are considering, put five things in writing before the signature.

The full cost and exactly what is included. What is excluded, with ad spend and tools named and passed through at cost. Milestones by quarter, in outcomes rather than activity. The reporting cadence and what each report will show. And the renewal terms: when the decision happens, who raises it, and what notice looks like on both sides.

Then ask one question in the meeting and watch the answer: "why this length, for this work?" A strong agency answers specifically and happily. A weak one gets vague or grand. You will know within a sentence. The rest of choosing an agency properly follows the same principle: evidence over adjectives, everywhere.

The honest case for rolling contracts

Rolling monthly agreements exist, and fairness demands the honest version of that comparison.

A rolling contract keeps the agency permanently on its toes, and for fast-evidence work, a paid media engagement, a defined project, a trial of a new supplier, it can be exactly right. If a business asked us for pure short-cycle work, a rolling arrangement would not be absurd, and an agency that refuses any flexibility on principle is telling you something too.

The honest trade is this: what a rolling contract buys in exit speed, it costs in depth. An agency that might lose you next month rations what it invests in you this month, rationally. Nobody builds a 12 month compounding strategy on a 30 day horizon, so rolling arrangements drift toward safe, shallow, immediately-defensible work. That is fine when shallow is what you need. It quietly starves the slow channels that produce results like the ones above. Match the structure to the work, and be suspicious of anyone, on either side of the argument, who says one answer fits everyone.

Frequently Asked Questions

Why do marketing agencies want 12 month contracts?

Two honest reasons: marketing channels have clocks, with SEO and content needing six to 12 months to compound, and committed revenue lets an agency assign senior people and invest heavily in early setup work. The commitment is legitimate when it binds both sides, with milestones, transparent reporting and a stated reason for the term. It is a trap when the length has no reason attached.

Are long marketing contracts worth it?

For compounding channels, usually yes, provided the contract contains outcome milestones, readable reporting and a diagnostic first month. Businesses that switch agencies every few months often pay for month one repeatedly and never reach the months where returns arrive. For short-cycle or project work, a shorter or rolling arrangement can be the better fit.

What should be in a marketing agency contract?

Five things in writing: the full cost and inclusions, the exclusions with ad spend and tools passed through at cost, milestones by quarter in outcomes rather than activity, the reporting cadence and content, and explicit renewal terms. If the agency cannot explain why the term fits the work, do not sign it.

What if the contract is not working part way through?

A fair agreement makes progress visible from month two, so problems surface early rather than at renewal. Raise the evidence, in writing, against the milestones. An agency worth keeping responds with changes and reasons. If the reporting is too vague to even have that conversation, that is your answer about the agency, not just the contract.

Is a rolling monthly contract better than a 12 month one?

It depends on the work. Rolling suits fast-evidence engagements and trials, and it keeps agencies sharp. But it rations depth: nobody invests in 12 month compounding work on a 30 day horizon. Match the structure to the channel clocks involved rather than treating either answer as universally right.