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Pest Risk Impact

Insights into how pests could damage your building, business or brand

When considering any proactive specification and certainly before carrying out any treatment (by which time the pest is present), it is essential to establish a number of key factors in order to establish the most effective, least environmentally impacting and long-lasting control options.

P- Pest potential. What pest(s) may become active and in what potential numbers? Also are non-target species at risk?

E- Environment. What are the primary location where pests may become active and what are the conditions on site which may allow pest(s) to survive and breed?

S- Source. What is the potential for pests to access the location (increasingly referred to as ROOT CAUSE analysis (RCA)).

T- Threat.  What is the consequential risk of having pests active within a business or building? This is the usual true cost of pest management or pest control, not the cost of treatment, but the time taken to review and eliminate the issue.


The purpose of a pest risk impact assessment is to create an understanding of site-specific pest data that will inform decision makers of the nature and potential consequence of entry, establishment, spread and impact.

‘Pest risk assessments provide the systematic basis for the evaluation of risks posed to human multi-occupancy inhabited environments by pests – including rodents, insects and plants.’ (Morgan et al., 2010).

Added to this the effectiveness of control-based strategies to reduce risk management decisions. e.g. non-chemical, non-lethal, physical or chemical based treatments.

This bespoke strategy needs to consider both control of any actual activity and to reduce the future pest risk.  The outcome allows a set of risk reducing options (RROs)

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Site Assessment Process

PestWise have developed a site assessment process to help you identify what is most at risk and from what pests – be it mice in a computer data centre to bed bugs in a hotel room, all pests have different risks and all may have an impact on your business, work-force or your personal life.
Contact us for more information if you fear that pests may have a negative impact on your business.