Food Safety and Sanitation, Janitorial Services and Commercial Cleaning Services

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About Us

MWAC is a family owned business established in 1992 that has achieved and maintained very high standards through building professional and ongoing working partnerships with our clients.

The owners play an active role in the day-to-day operations of the organization and have a total of 45 years of experience in Poultry/Slaughter/Processing and RTE Facility; a significant portion of that experience is in the Poultry Processing with the most senior owner having over 20 years, experience at one of the largest owned poultry slaughter processing facilities in Canada as a Sanitation Supervisor.

Through our partnerships we have developed best practice methods and established client specific standards, by utilizing our combined years of expertise and experience, we are able to maximize efficiencies, ensure safety and meet legislation compliance. Most importantly, we are able to reduce costs by minimizing contaminants that would adversely affect the quality of finished products produced, impacting the profitability and return on investment (ROI).

Who We Are

The Pereira brothers learned everything they know about the commercial sanitation industry from their late father Jose, who worked at Maple Lodge Farms in the 70s. The elder Pereira worked diligently in the sanitation industry, and later trained his three sons, Joe Pereira, Nel Pereira and Paulo Pereira.

In 1992, the Pereira brothers founded Maintenance with A Class, known as MWAC; a full service business that offers Commercial Food Plant Sanitation and Janitorial Services for medium and large businesses.

Currently MWAC, services over 35, Canadian Food Inspection Agency (CFIA) and Ontario Ministry of Agriculture Food and Rural Affairs (OMAFRA) inspected plants food plants in Ontario, which are certified in British Retail Consortium (BRC), Safe Quality Food (SQF) Hazard Analysis Critical Control Points (HACCP) serving major retail grocery stores.

The company prides itself on its philosophy of establishing partnerships with their customers so that guidelines, procedures and best practices can be developed with each individual customer.

MWAC uses rigorous and multiple self-inspections to ensure quality of work for their customers. The brother's direct involvement on the ground level inside the food plants, ensures that there is a high level of consistent sanitation completed on a nightly basis.

The Pereira brothers ensure that all their staff are highly trained and that the company owners do daily pre-ops, nightly inspections, food safety meetings, sanitation on-sites with CFIA, OMAFRA inspectors and certified auditors from BRC, SQF, Quality Assurance Inc. (QAI), Global Food Safety Initiative (GFSI) and other food safety standards as well as Provincial and Federal inspectors.

Proper and safe sanitation is of the utmost importance for MWAC. The company has developed programs for deep cleaning specialized machines for its customers that utilize dismantling, soaking and steaming various parts of machinery to ensure it is safe to produce food.

All managing partners, supervisors and employees regularly attend training sessions facilitated by Guelph Food Technology Centre (GFTC) and HRH Food Processing HR Council; reputable chemical companies allowing them to stay-up-to-date on the latest technology and techniques in the industry.

MWAC Award

In 2014, Nel Pereira was awarded the Sanitation of the Year award through the Ontario Food Protection Association (OFPA)

In 2011, Joe Pereira was awarded the Sanitation of the Year award through the Ontario Food Protection Association (OFPA).

MWAC Award

Health and Safety in the workplace and the safety of others is very important. MWAC employs a veteran Health and Safety Consultant, who focuses on providing updates to current legislation, training requirements and the training of new and exisiting employees on required courses and workshops.

MWAC recogonizes the value of ensuring and providing all employees with the following training; Workplace Hazards Material Information System (WHMIS), Global Harmonization, Material Safety Data Sheets (MSDS,) Ladder Safety, Lockout/Tag Out, Chemical Spill Response and Clean Up, Workplace Harassment and First Aid Certification. In addition, MWAC is registered and is an active member of WSIB and carries very substantial liability insurance policies.

These awards are made to the Member of the Association deemed to have contributed outstanding service to the Food Industry of Ontario. The selection is made by the Board of Directos from the nominations presented before the Fall meeting.


To be the provider of choice for Sanitation Management in the Ontario Food Processing Industry, by delivering exceptional service quality and standards compliance in exceeding our client's expectations and creating value.

Core Values:

  • Honesty and Integrity
  • Service Excellence through dedication and desire for renewal
  • Compliance
  • Responsible and Accountable

Best Practices and Quality:

Our Best Practice Protocols have been developed to provide a thorough evaluation throughout processes to ensure that we meet or exceed each of our client's unique expectations. Our triple quality check protocol requires; upon completing each night's procedure that the work is checked and signed by the employee, the attending supervisor and finally, our client's QC/QA Representative. Based on our established reputation, we are confident that we can achieve and maintain acceptable levels of bacteria that are set and in compliance with industry standards.


  • Workplace Hazardous Material Information System (WHMIS)
  • Material Safety Data Sheets (MSDS)
  • Ladder Safety
  • Lockout/Tag Out
  • Chemical Spill Response and Clean Up
  • Workplace Harassment
  • First Aid Certification
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