Violence and aggression in the workplace is widely recognised, but rarely quantified. While incidents are logged and reported, the full organisational impact often remains hidden across teams and functions.
Reveal’s Violence & Aggression Cost Calculator has been developed to address that gap, helping organisations translate frontline incidents into a clear, evidence-based view of their financial impact.
Violence and aggression directed at staff is not a problem confined to one sector. It affects NHS nurses and ward staff, transport workers, housing officers, security teams, shopworkers, and many others in public-facing or high-pressure roles across the UK. The nature of the incidents may differ, for example, a patient assault in an inpatient mental health setting is not the same as a verbal threat towards a bus driver or an altercation over a refund at a shop till, but the organisational consequences follow a consistent pattern.
Incidents create disruption that extends well beyond the moment itself: time spent responding and reporting, colleagues absent or distracted in the aftermath, and, over time, staff who decide to leave. The challenge for most organisations is that these costs are fragmented across HR, operations and finance. The costs are real, but rarely visible in one place.
At Reveal, we believe those costs deserve a clear, evidence-based answer. That’s why we’ve launched the Violence & Aggression Cost Calculator, a free tool designed to help organisations estimate the true annual cost of violence and aggression in their workforce.
The Health and Safety Executive estimates that around 329,000 workers in the UK are subjected to violence or threats each year. In healthcare, the NHS Staff Survey found that 1 in 7 NHS staff experienced physical violence from patients or relatives in 2024, a figure that rises sharply in mental health inpatient settings, where evidence suggests the majority of all NHS physical assaults occur. In transport and public services, unions including RMT and UNISON have documented sustained increases in hostility and assault directed at frontline workers.
Across all of these settings, the same structural challenge appears. Most of the cost does not sit in the incident log. It sits in the working hours consumed by reporting and investigation, the sickness absence that follows traumatic or repeated exposure, the reduced productivity of colleagues who remain at work but are not at their best, and the turnover of staff who reach their limit.
Individually, each of those costs can seem manageable. Modelled across a workforce and annualised, they typically tell a different story.
The tool is built around four cost categories that apply across sectors, calibrated using sector-specific benchmarks from published UK sources:
● Lost time: The combined hours spent by frontline staff, managers, HR and security responding to, documenting and reviewing each incident, from a brief verbal altercation that still requires logging to a serious assault involving investigation and external liaison.
● Stress-related absence: Sickness absence following incidents, modelled against the proportion likely to trigger time off. The HSE reports that around 35% of all days lost to ill health in the UK are linked to stress, anxiety or depression.
● Reduced productivity (presenteeism): The cost of staff who remain at work but are operating below capacity following an incident. Research consistently indicates that presenteeism is a larger cost driver than absence in many workplace settings.
● Staff turnover: The cost of replacing colleagues who leave as a result of repeated or serious exposure to abuse. In sectors already under significant workforce pressure (the NHS, social care, transport), this is rarely a straightforward or cheap process.
The model also includes an adjustment for under-reporting, because in every sector the incidents that get formally logged represent only a portion of those that occur. What surfaces in the incident register almost never reflects the full picture.
The calculator is configured for the sectors and roles where violence and aggression are most prevalent in the UK, including retail, acute and mental health NHS settings, transport, local government, security, and other public-facing services.
Each sector uses its own benchmarks for incident frequency, salary costs and cost-per-incident assumptions, derived from published sources including the NHS Staff Survey, HSE data, ONS earnings statistics, and sector-specific workforce research. Users can apply these benchmarks directly or replace them with their own internal data where it is available.
The output is an indicative annual cost figure: not a precise audit, but a defensible, evidence-grounded estimate that teams can use to open internal conversations about the scale of the issue with HR, finance, operations or the board.
● Enter your data. Input your headcount, pay rates and incident frequency. If you’re working from incomplete data, sector-specific UK benchmarks are provided as a starting point.
● See the full picture. Get your annual cost broken down by category, with an under-reporting adjustment applied so the figure reflects what is more likely happening across your organisation and not just what is being logged.
● Receive your personalised report. A shareable PDF summary is generated and sent by the Reveal team, providing a practical document for internal use to give teams something more credible than anecdotes and more useful for the discussions that matter.
For most teams working on staff safety, the difficulty is not recognising the problem; it is translating it into a form that works across functions. Health and safety concerns do not always land with finance. Wellbeing arguments do not always move procurement. A clear, costed estimate of what violence and aggression is actually consuming changes the nature of that conversation.
The calculator gives HR, operations, security and safety teams a shared starting point: one figure, grounded in their own data and sector benchmarks, that can be taken into budget conversations, business cases and strategic planning discussions.
It also supports decisions about the potential return on investment from safety interventions, including body-worn cameras that organisations across retail, healthcare and transport have used to achieve measurable reductions in incident frequency and severity.
