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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


Welcome To Tresexellent Improvement

We Are Your Partner in Standard and Compliance Best Practices

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.

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Our Services

What Service We Offer

Our ISO & International Standards Expertise

ISO 9001:2015 – Quality Management Systems

Establishes the criteria for a quality management system. Used by organizations to ensure consistent quality in products and services, improve customer satisfaction, and drive continual improvement

ISO 14001:2015 – Environmental Management Systems

Focuses on environmental performance. It helps organizations reduce their environmental impact through effective resource management, waste reduction, and compliance with environmental regulations.

ISO 45001:2018 – Occupational Health & Safety

Designed to improve employee safety, reduce workplace risks, and create better, safer working conditions worldwide.

Integrated Management Systems (QHSE-MS)

Combines Quality (ISO 9001), Health & Safety (ISO 45001), and Environmental (ISO 14001) systems into a single streamlined management structure, reducing duplication and improving efficiency.

ISO 17025 – Laboratory Management Systems

Ensures laboratories are technically competent and able to produce valid and reliable results. Crucial for testing and calibration labs.

ISO 41001:2018 – Facility Management Systems

Sets requirements for effective facility management across sectors, promoting efficiency and integration between people, place, and process.

Some of Our Clients

Clients Feedback

Our Clients Reviews

Real Businesses. Real Results. Trusted by Industry Leaders.

Our clients come from diverse sectors — Oil & Gas, Manufacturing, Logistics, IT, and more — but they all share one thing in common: success with our compliance and certification support.

    Chinedu Awa
    Chinedu Awa

    Entrepreneur

    The team walked us through every stage — gap analysis, documentation, training, and audit prep. We’re now fully certified and audit-ready.

      Bunmi Folashade
      Bunmi Folashade

      Manager

      Their Oil & Gas documentation expertise helped us pass Shell’s HSSE requirements without a single query. Highly recommended!

        Tolu Dairo
        Tolu Dairo

        Compliance Officer

        We’ve used them for ISO 27001 and risk management systems. Always on time, always clear on compliance goals.

        Still Confused About Our Offerings? Get A Consultation

        We understand that navigating certifications, compliance requirements, and international standards can feel overwhelming — but you don’t have to figure it out alone.

        Book a free, no-obligation consultation with one of our experts. We’ll help you identify exactly what your business needs.

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