Tresexellent Improvement Services Limited is an ISO management system consulting firm, which specializes in ISO consultancy, training, auditing, and certification of all international standards such as ISO standards(ISO 9001-QMS, ISO 14001-EMS, ISO 22000-FSMS,  ISO 45001-OHSMS), FSSC, HACCP, GMP, e.t.c. We provide excellent, client-focused, and cost-effective services to Manufacturing, IT, Logistics, Facilities & Property Management, Construction, Government Agencies, Oil and Gas, Power/Energy and Mining Companies, and Companies across various industrial sectors and Service providers. Our core services are in the areas of ISO consultancy, and Environmental/Health and Safety consultancy, and Our work ethics is built on providing superior customer service. We pride ourselves on helping our clients get ISO certification, meet their regulatory obligations and continually improve on their processes. 

We have the experience you can trust. Our Analysts, Project Managers, and Consultants are among the best Engineers,  Chemists, Biochemists, Microbiologists, Environmentalists, Economists, Safety Professionals etc., in the industry. We are among the first ISO consultancy companies in Nigeria.