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Lone working on business trips: the HSE rules, applied to travelling staff

Written from primary sources · Editor-reviewed · Sources last read 30 September 2026
By the tmcmatch.co.uk editorial team · Published 30 September 2026 · Last reviewed 30 September 2026 · 9 min read
7 primary sources cited on this page. How we check what is on this site

A consultant visiting a client, an engineer on a site in another city, a sales manager driving between appointments — for much of the trip each is a lone worker, which HSE defines as working “Lone workers are those who work by themselves without close or direct supervision”. The rules that apply are the general ones: an employer must assess the risks under the Management of Health and Safety at Work Regulations 1999, and HSE’s lone working guidance says how. This page takes that guidance point by point and applies it to business travel.

Key points

  • Assess before the trip. “As an employer, you must manage any health and safety risks before people can work alone.”
  • Know where they are and keep in touch — HSE says you must.
  • Ask the host about risks when staff work at someone else’s premises.
  • Have an alarm route that answers, and test it.
  • Review the assessment when things change.

A lone working policy for business travel: twelve points

Policy points against MHSWR 1999 reg 3 and HSE’s lone working guidance, read 2026-09-30
PointBasisOn a business trip
Risk assessment before the tripMHSWR reg 3; HSE: manage the risks before people work aloneDestination, client site, time of travel, the traveller’s health
Visiting a client’s premisesHSE: ask that employer about risks and control measuresAsk the host for their site rules and emergency arrangements
Knowing where the traveller isHSE monitoring: knowing where lone workers areItinerary held centrally; booking data from the travel supplier
Regular contactHSE: pre-agreed intervals of regular contactAgreed check-in times on high-risk trips
Raising the alarmHSE: devices for raising the alarmAn out-of-hours number that answers
Confirming returnHSE: a reliable system to ensure a lone worker has returnedA ‘home safe’ message at trip end
Emergency proceduresHSE: how and when to contact the employer, with emergency numbersIn the travel policy and on the traveller’s phone
Health and fitness to travel aloneHSE: get medical advice if unsurePre-trip question for long-haul or remote trips
Violence and late arrivalsHSE: lone working makes workers more vulnerableLate-night arrival rules, transfers booked in advance
TrainingHSE: extra training where supervision is limitedBriefing for first trips and high-risk destinations
Testing itHSE: regularly test systems and emergency proceduresTest the out-of-hours line, out of hours
Reviewing itMHSWR reg 3(3): review when no longer valid or after significant changeAfter an incident, or a change in destination risk

The general duty is in section 2 of the Health and Safety at Work etc. Act 1974 and is set out on duty of care for business travellers. The duty to assess is in the 1999 Regulations:

reg 3(1), Management of Health and Safety at Work Regulations 1999
Every employer shall make a suitable and sufficient assessment of— a the risks to the health and safety of his employees to which they are exposed whilst they are at work
Read it on legislation.gov.uk

HSE ties the two to lone workers directly: “Under the Management of Health and Safety at Work Regulations, you must manage the risk to lone workers.” And it states the order of things: “As an employer, you must manage any health and safety risks before people can work alone. This applies to anyone contracted to work for you, including self-employed people.” — which reaches contractors travelling on your behalf as well as employees.

What HSE says you must do

The core list is short: “You must: train, supervise and monitor lone workers keep in touch with them and respond to any incident”. Three parts of it matter most on a trip.

Other people’s premises

HSE — Manage the risks of working alone
When a lone worker will be at someone else's workplace you must ask that employer about any risks and control measures to make sure they are protected.
Read it on legislation.gov.uk

For a business traveller, that is the client site, the partner’s factory, the venue. The practical step is a standard question to the host before the visit: site rules, emergency arrangements, and anything the visitor should know.

Monitoring and keeping in touch

“You must monitor your lone workers and keep in touch with them. Make sure they understand any monitoring system and procedures you use.” HSE’s examples translate almost word for word into travel:

HSE — Training, supervision and monitoring
knowing where lone workers are, with pre-agreed intervals of regular contact, using phones, radios, email etc other devices for raising the alarm, operated manually or automatically a reliable system to ensure a lone worker has returned to their base once they have completed their task
Read it on legislation.gov.uk

And the instruction people skip: “Regularly test these systems and all emergency procedures to ensure lone workers can be contacted if a problem or emergency is identified.”

This is where a travel programme helps. A traveller whose flights and hotel are booked through one channel has an itinerary the employer can see, which covers the first of HSE’s examples. Contact intervals, alarms and return confirmation still have to be set up and tested; booking data alone does not do that.

Emergencies and health

  • “Emergency procedures should include guidance on how and when lone workers should contact their employer, including details of any emergency contact numbers.”
  • “Put procedures in place that enable direct contact with the lone worker so their manager can recognise signs of stress as early as possible.”
  • On fitness to work alone: “if you are unsure whether someone's health condition means they are safe to work alone, get medical advice.”

Risks HSE singles out

HSE lists risks that particularly affect lone workers: “violence in the workplace stress and mental health or wellbeing a person's medical suitability to work alone the workplace itself, for example if it's in a rural or isolated area”. On violence it is careful: “Lone working does not always mean a higher risk of violence, but it does make workers more vulnerable.” It defines violence as “'any incident in which a person is abused, threatened or assaulted in circumstances relating to their work' – this includes verbal threats.”

For travel, the first and last hours are usually where these risks sit: late arrivals, transfers from airports, unfamiliar districts. A policy can deal with that directly — pre-booked transfers, arrival-time limits for some destinations, hotels chosen for location.

Supervision, training and limits

  • “Base your levels of supervision on your risk assessment – the higher the risk, the more supervision they will need.”
  • “You should set limits on what can be done while working alone.”

For travel that means a briefing for first trips and high-risk destinations, and clarity about what a traveller should not do alone.

Keeping the assessment current

reg 3(3), MHSWR 1999
Any assessment such as is referred to in paragraph (1) or (2) shall be reviewed by the employer or relevant self-employed person who made it if— a there is reason to suspect that it is no longer valid; or b there has been a significant change in the matters to which it relates
Read it on legislation.gov.uk

A change in foreign travel advice for a destination, or an incident on a previous trip, could be the kind of change that calls for a review.

Why this site has nothing to gain from your answer

We are paid a fixed fee per enquiry, agreed in advance, identical whichever supplier receives it. Lone working is here because a travel supplier’s itinerary data and out-of-hours line can meet part of HSE’s monitoring advice — and it is worth being clear which part they do not.

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The wider set of travel policy clauses is on corporate travel policy; how ICO guidance limits the monitoring of workers is covered there too. This page quotes HSE guidance and the 1999 Regulations as read on 2026-09-30; it is not health and safety advice for a particular workplace.

Common questions

What is lone working?

HSE: “Lone workers are those who work by themselves without close or direct supervision”. Many business travellers fit that description for most of a trip.

Is a lone working risk assessment a legal requirement?

The Management of Health and Safety at Work Regulations 1999 require every employer to assess risks to employees at work: “Every employer shall make a suitable and sufficient assessment of— a the risks to the health and safety of his employees to which they are exposed whilst they are at work”. HSE: “Under the Management of Health and Safety at Work Regulations, you must manage the risk to lone workers.”

What should a lone working policy include for business travel?

A risk assessment before travel; how the employer knows where the traveller is; agreed contact points; how to raise the alarm and who answers; how the traveller confirms they are back; emergency contacts; and what to ask a host organisation about its site.

What does HSE say about monitoring lone workers?

“You must monitor your lone workers and keep in touch with them. Make sure they understand any monitoring system and procedures you use.” Its examples include knowing where lone workers are, regular contact, alarm devices and a system to confirm they have returned.

Does the employer have duties when staff visit another company’s site?

Yes. HSE: “When a lone worker will be at someone else's workplace you must ask that employer about any risks and control measures to make sure they are protected.”

How often should a lone working risk assessment be reviewed?

When there is reason to suspect it is no longer valid or there has been a significant change in what it covers, under regulation 3(3) of the 1999 Regulations.

Sources cited on this page

  1. HSE — Lone working: overview
  2. HSE — Lone working: manage the risks
  3. HSE — Lone working: violence
  4. HSE — Lone working: stress and health
  5. HSE — Lone working: training, supervision and monitoring
  6. Management of Health and Safety at Work Regulations 1999, reg 3
  7. Health and Safety at Work etc. Act 1974, s.2

Every figure above was read from the source it is attributed to on 20 September 2026. How we check this.

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