Why fixed fees beat retainers for most trades

What a retainer actually buys

Strip away the language and a retainer is a purchase of time. The agency estimates how many hours your account needs, prices them, and bills monthly whether or not those hours produced anything. The deliverables are usually described as activities: 'ongoing SEO', 'campaign management', 'monthly reporting'.

For a large company this is fine. It has a marketing manager whose job is to direct those hours and judge whether they were well spent. The tradesperson has no such person. They are buying time they cannot supervise, measured in units they cannot see, for outcomes nobody has defined.

A fixed fee buys a thing

A fixed fee for a defined system turns the purchase around. Instead of buying hours, you buy a website with service and location pages, a Business Profile kept current, a review process, a response mechanism. You can look at each and see whether it exists and whether it works.

This is how tradespeople themselves charge. A bathroom fitter does not bill a homeowner for a monthly retainer of plumbing effort. They quote a price for a bathroom. The customer knows what they are getting and what it costs. There is no reason marketing bought by that same fitter should be any less concrete.

The incentive problem nobody talks about

A retainer pays the agency the same whether the work is finished or not. In fact it pays slightly better if the work is never quite finished, because finished work raises the question of what next month's fee is for. Nobody in a good agency thinks this way consciously. The structure thinks it for them.

A fixed fee for a system has the opposite pull. The agency wants the system built and working quickly, because building it is the cost and the monthly fee is the return. Once it works, the agency's interest is in keeping you, which means keeping it working. The incentive points at the same place yours does.

Retainers hide the small firm's real cost

Agency retainers are typically priced for the agency's cost base, not the client's capacity. A small trades firm on a £1,200 a month retainer is often buying a junior's afternoon a week, dressed in a senior's proposal. The firm cannot tell, because it is not buying anything it can count.

Our guide to fixed fees versus percentage of spend works through the arithmetic for advertising. The same logic applies to the broader retainer. When you cannot see what you are buying, you cannot tell if it is expensive.

Exit, and why it matters more for trades

Retainers come with minimum terms, because the agency has planned its staffing around your fee. Fixed-fee systems more often come with rolling monthly terms, because the agency's cost was front-loaded in the build and it does not need to lock you in to recover it.

For a trade whose income swings with the seasons and the economy, the ability to stop paying in a bad quarter without a penalty is not a nicety. It is the difference between marketing being an asset and marketing being a liability. Our guide on switching agencies without losing your rankings shows how often the retainer model also leaves the client without ownership of what was built.

Where the retainer still wins

The argument is 'most trades', not all. A firm with five or more vans, a sales team and a marketing budget in the thousands has a genuine need for ongoing strategic time: new campaigns, new areas, recruitment advertising, a person to call on Tuesday with an idea. A fixed-fee system cannot do that, because it is a product and products do not think.

Equally, heavy paid media needs continuous management that scales with spend. Once a firm is spending £5,000 a month on Google Ads across several services and towns, the account needs daily attention and a retainer or a well-structured percentage model is the honest way to pay for it. The larger firms in our lead generation agencies ranking are built for that client, and their retainers are priced accordingly.

What the trades should ask for instead

If you are a small firm and an agency proposes a retainer, ask it to re-express the proposal as deliverables and a fixed price. What exactly will exist at the end of month three that does not exist now? What will be maintained each month after that, specifically? What happens to the fee once the build is done?

An agency that can answer those questions is selling you something real and will often be happy to price it as such. One that cannot is selling you time, and you should ask yourself who will be supervising it. The red flags we describe elsewhere tend to cluster around the vague retainer for a reason.

Several firms in our overall ranking of trades agencies now price this way, with a published figure for a defined system. That is the direction the market should travel. The retainer was built for a client the trades are not, and the sooner the trades stop paying for it, the better their marketing will be.

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