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Who Needs an SMSTS Certificate?

SMSTS is the safety course most main contractors ask site managers to hold. Find out if it applies to you.

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No law names SMSTS as a must. But the law does expect people in charge of a site to be competent in health and safety, and SMSTS is the most widely recognised way to show it. That is why most main contractors and many clients ask for it.

If you are responsible for planning, organising and controlling work on a site, you are likely to be asked for an SMSTS certificate.

Roles usually asked for SMSTS

RoleWhy it is asked for
Site managerRuns the site day to day and the construction phase plan
Project managerPlans work and controls risks across the project
Contracts managerOversees several sites and their managers
Senior supervisorSteps up to run the site when the manager is away
Small builder or ownerActs as principal contractor on smaller jobs
5 daysfull course
5 yearscertificate validity
2 daysrefresher before expiry

What you learn

The course covers the legal side of running a site, including CDM 2015, risk assessments and method statements, managing subcontractors, working at height, excavations, and how to respond when something goes wrong. It ends with an exam and a practical project.

For the full picture, read what to expect on an SMSTS course.

Supervising rather than managing? SSSTS may suit you better. Compare them in SMSTS vs SSSTS.

Mistakes people make with SMSTS

Many people book SMSTS too late, after they have already been offered a site manager role that starts next week. Courses fill up, so plan at least a few weeks ahead.

  • Letting it lapse. If your certificate expires before you take the refresher, you have to sit the full five-day course again.
  • Missing a session. The course is attendance-based. Missing part of it can mean you do not receive a certificate.
  • Treating it as a card. SMSTS shows you understand site safety management. It does not give you a CSCS card on its own.
  • Skipping the assessment preparation. There is an end test and you complete exercises during the week. Reading your notes each evening makes a real difference.

What to do next

  1. Confirm your role needs SMSTS rather than SSSTS. Our SMSTS vs SSSTS guide explains the difference.
  2. Check your employer will give you the time off. Some employers also pay for the course.
  3. Choose classroom or online delivery. Both lead to the same CITB certificate.
  4. Book your place and keep your joining instructions.
  5. After you pass, set a reminder four years from now to book the refresher.

If you manage sites and also want a Black CSCS card, you will usually need a Level 6 NVQ in Construction Site Management as well. Read our guide to the Black CSCS card.

Useful links

Book your training with Coteca

From the HS&E test to SMSTS and SSSTS, Coteca books CITB courses at centres across the UK and online.

See CITB coursesCall 0208 099 4324

Frequently asked questions

Is SMSTS a legal requirement?

No. The law requires competence, and SMSTS is the most common way contractors check it.

Do I need SMSTS for a black CSCS card?

No. The black card needs a management NVQ. SMSTS is often asked for alongside it.

How long does SMSTS last?

Five years. A two-day refresher before expiry keeps it valid.

Can I take SMSTS with no site experience?

You can book it, but the course assumes you understand how a site runs. It is most useful once you have some experience.

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