Founded by Marwendo Marwendo, our IRCA-certified lead auditors design, implement, and audit ISO 9001, 14001, 45001, and 27001 management systems across Southern and Central Africa.
DNN Consulting & Projects is an African-born team of ISO lead auditors and implementation specialists. Founded by Marwendo Marwendo, we have spent over a decade helping manufacturers, mines, agribusinesses, and service providers achieve and maintain ISO certification.
We cut through jargon, embed practical controls, and leave your people with systems that drive quality, safety, sustainability, and data security—day in, day out.
Delivered by DNN Consulting across South Africa, Zimbabwe, and the wider Southern & Central African region.
Drives measurable gains in process control, on-time delivery, and customer satisfaction—making you a preferred supplier.
↓ 18% reject rate avg.
Minimises waste and energy spend while keeping regulators off your back—ideal for mining, manufacturing, and agriculture.
OPEX savings from day one
Cuts incident rates and insurance costs through worker-driven risk controls that stand up to audits in high-risk sectors.
↓ 25% outage incidents
Locks down data, meets POPIA, and reassures clients in finance and tech that their information is protected.
POPIA + GDPR alignedEmbeds HACCP-based controls across your supply chain—from farm gate to retail shelf—so products meet international benchmarks.
HACCP + FSSC alignedEnsures your medical device quality management system meets regulatory requirements for design, manufacture, and surveillance.
Regulatory complianceImplements CAIA-aligned Responsible Care systems with integrated process safety for chemical manufacturing, transport, and logistics.
RCMS certified auditorsSafety & Quality Assessment for Sustainability—ensuring your chemical logistics chain meets industry safety benchmarks.
Full SQAS assessmentPinpoints non-conformities fast and builds step-by-step action plans so certification is not a guessing game.
3–5 months to audit-readyMerges quality, environmental, safety, and security controls into one streamlined framework—less paperwork, more performance.
Up to 30% faster certificationOur proven methodology compresses typical certification timelines by up to 30%—getting you audit-ready sooner and winning tenders faster.
Every DNN engagement is spearheaded by IRCA-registered lead auditors with deep sector experience.
DNN Consulting delivers on-site and remote ISO support across Southern and Central Africa.
At DNN Consulting & Projects, we specialise in designing, implementing, and auditing ISO management systems across Southern and Central Africa. Whether you need a quick gap-analysis, full-scale implementation, or post-audit support, we are ready to help.