The behaviours that kill your fill rate (and why nobody tells you)

Every client thinks they’re a priority. Most aren’t. Not because they don’t matter as a business — because the job doesn’t survive contact with reality.

In temp recruitment, effort follows probability. If a role is likely to end in a no-show, a dispute, a rejected timesheet, or a “we don’t need them now”, the job drops down the list. Not with a dramatic email. Quietly. Fewer calls. Less energy. Slower response. You still get polite words. You just stop getting results.

Here’s what causes that.

“Urgent” with no commitment

Urgency isn’t a plan. It’s a feeling.

If you ring at 10:30 asking for a start at 14:00, but you can’t confirm the shift details, can’t guarantee who’s meeting the worker, and can’t confirm the duration, you’re not urgent — you’re disorganised.

Reliable temps don’t gamble their day on unknowns. Agencies know this. If the brief doesn’t hold together, the candidate pool shrinks to the ones with nothing to lose. That’s the opposite of what you want.

What to do instead

  • Confirm start time, finish time, break pattern, and exact site address.
  • Confirm who signs them in and what happens if they arrive early.
  • Confirm length: “today only”, “this week”, or “ongoing”.

If you can’t answer those in one call, the job isn’t ready.

Constant changes after acceptance

A worker agrees to a job. Then you change it.

  • “It’s actually nights.”
  • “It’s a different site.”
  • “We need them earlier.”
  • “We’ve added loading.”

Each change isn’t just an inconvenience. It’s a signal: this job is unstable. The worker doesn’t trust it. The agency doesn’t trust it. Your fill rate drops and your attrition rises.

The worst part is you won’t connect it to the changes. You’ll assume “temps are unreliable”. In reality, you trained your supply chain not to believe you.

Rule: If you change the job, you have changed the agreement. Expect fallout.

Slow confirmations and silent decision-making

Temp recruitment runs on speed, but not reckless speed. The bottleneck is nearly always the client.

You ask for two forklift drivers. The agency presents four.
You respond tomorrow. Two have taken other work.

Then you complain the agency “can’t deliver”.

Agencies can’t hold workers in limbo while you deliberate. The best workers move first. When your process is slow, you select from what’s left.

What a fillable process looks like

  • Same-day decision making for temp starts.
  • One person accountable for yes/no.
  • A clear “green light” point where the job is locked.

If you can’t decide quickly, you’ll keep hiring the leftovers and blaming supply.

Rate pressure without role clarity

There’s nothing wrong with negotiating rate. There is something wrong with pretending the job is simple when it isn’t.

If you say “It’s just warehouse”, but it’s actually:

  • heavy lifting,
  • performance targets,
  • strict scanning accuracy,
  • cold environment,
  • high supervision,
  • long walks,
  • weekend overtime,

then your rate conversation is dishonest. The candidates who would stay won’t accept it. The ones who accept won’t stay.

Paying properly doesn’t guarantee reliability. Underpaying guarantees churn.

Poor on-site onboarding

This is where good candidates fail in bad systems.

A reliable worker turns up and gets:

  • no induction,
  • no locker,
  • no supervisor,
  • no PPE,
  • no clear task,
  • a hostile “who sent you?” greeting,

and you’re surprised they don’t return.

The agency doesn’t control your site. You do. When your site creates friction, the agency’s candidate pool collapses. Word spreads quickly. The job becomes “one of those places”.

Minimum standard

  • Someone expecting them.
  • A 10-minute site brief.
  • A clear first task.
  • A working clock-in process.
  • A proper break arrangement.
  • A human welcome.

You don’t need a corporate onboarding programme. You need competence.

Timesheets, payment disputes, and “We’ll sort it later”

If your admin is messy, you become a high-risk client.

  • Timesheets not signed.
  • Hours disputed.
  • Rates changed after the week.
  • Invoices delayed.
  • Credit terms stretched with no conversation.

Agencies survive on cashflow. If you cause constant friction, your jobs become less attractive internally. You might still get supply — but you won’t get the best supply first.

Treating temps like disposable parts

Some clients think pressure improves output. In reality, it increases call-offs.

If a worker is:

  • spoken to harshly,
  • blamed for poor training,
  • publicly singled out,
  • moved repeatedly with no explanation,

they will not “toughen up”. They will leave. The reliable ones leave first because they have options. You keep the ones who can’t move. Then you conclude the market is weak.

Why agencies disengage (the honest answer)

Agencies disengage when a job has a predictable failure pattern:

  • candidates accept then withdraw,
  • workers start then don’t return,
  • the client changes the role,
  • decisions are slow,
  • admin is chaotic,
  • the site experience is poor,
  • the rate doesn’t match the reality.

That’s not “agency laziness”. That’s risk management.

The fix is boring — and it works

If you want consistent fill rates, make the job stable:

  • Lock the details before advertising it.
  • Decide fast.
  • Match the rate to the true demands.
  • Run a basic, competent first day.
  • Pay and process cleanly.
  • Treat workers like adults.

Most clients don’t do this. That’s why they keep rehiring.

Stability creates supply. Supply creates choice. Choice creates reliability.

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