Microbiological Testing

Ensuring food is safe from microbiological contamination is a priority and a legislative requirement at all stages of the food chain. Through our network of accredited laboratories, highly experienced staff and extensive range of microbiological tests, ALS provides customers with cost-effective quality assurance from ‘farm to fork’.

Microbiological tests include:


  • Salmonella
  • Listeria
  • E.coli 0157
  • Campylobacter
  • Shigella
  • Vibrio

Typical enumerations

  • Cl. perfringens
  • Coliforms
  • E.coli
  • Enterobacteriaceae
  • Pseudomonas aeruginosa
  • Staphylococcus aureus
  • Total Viable Count (TVC)
  • Yeast and Moulds

Petri dish mould

In addition to routine microbiological analysis of food samples, we also offer the following services:

  • Shelf-life evaluation with standard storage conditions (refrigerated or ambient) or bespoke trials to mimic consumer use with package opening and storage temperature changes as required.
  • Environmental monitoring – using swab samples, contact plates or settle plates.
  • Hand swabs – monitoring for Staphylococcus aureus and E.coli
  • Water testing

Sample Types include:

  • Ready to eat foods
  • Raw meat and fish
  • Vegetables and salads
  • Environmental Swabs
  • Bottled Water and Soft Drinks
  • Shelf Life Analysis

We have a range of test methods available to meet your requirements (traditional or rapid) and to comply with specific retailer standards (our laboratories are approved by Tesco and Marks & Spencer)