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Company Structure
Timothy Lange
Chief Executive Officer — Founder
"If you're going to build something, build it right — or don’t build it at all."
Timothy Lange is the founder and driving force behind Tegnal Group, built on precision, accountability and doing things right the first time. With hands-on experience in building administration, project management and operations, he understands construction where it matters most — on site, under pressure and against real deadlines.
He founded Tegnal in 2016 with a clear standard: clients deserve more transparency, reliability and quality workmanship. What started as a one-man operation has grown into a multi-disciplinary group across the Western Cape and Gauteng, while staying hands-on and detail-focused.
Timothy leads with a simple philosophy: do what you say, show up when it counts and leave every project better than you found it.
Sherwyn Smallberg
Senior Site Agent
"A site that runs smoothly doesn’t happen by accident — it’s built one decision at a time."
Sherwyn Smallberg brings structure, clarity and control to every project he leads. As Senior Site Agent, he manages day to day site operations, ensuring timelines are met, quality remains high and every moving part works in sync.
He reads a site with precision, anticipates challenges early and makes confident decisions under pressure. His leadership keeps teams aligned, accountable and focused on delivery.
When Sherwyn is on site, execution is tight, standards are high and projects move forward the right way.
Mark Poole
Senior Site Agent
"The best work happens when every person on site takes ownership of their corner."
Mark Poole is a seasoned construction professional who turns coordination into consistency and plans into high-quality results. As Senior Site Agent, he oversees full on-site execution, from groundwork to final finishes, managing trades, resources and timelines with a hands-on, structured approach.
He is detail-driven and focused on maintaining high standards at every stage, ensuring each part of the project meets expectations. Mark builds strong, accountable teams, creating a site culture where people take pride in their work and responsibility for their role.
When Mark is leading a site, you get alignment, ownership and results done right.
Shannon Leonard
Foreman — Eersteriver
"Show up, do the work, do it well — every day, no excuses."
Nathan is Tegnal’s trusted presence on the ground in Eersteriver, ensuring every project in the region reflects the same care, quality, and precision as every other Tegnal build.
As Foreman, he coordinates daily site operations, manages subcontractors, and resolves challenges with calm efficiency — keeping work flowing and standards high. Nathan’s local knowledge, hands-on approach, and ability to inspire his team make him an essential part of Tegnal’s success in the area.
With Nathan on site, every project is guided by experience, integrity, and a commitment to getting it right — for the team, the client, and the community.
Jarome Thomas
Foreman
"Measure twice, cut once — and never leave a job half done."
Jarome Thomas sets the tone on site with discipline, reliability and a clear commitment to getting the job done right. With a strong grasp of construction sequencing and a sharp eye for quality, he ensures every phase is executed with precision.
His approach is hands-on and practical, keeping teams focused, productive and aligned with the required standard. He bridges the gap between planning and execution, turning drawings into action while communicating clearly across the site.
Jarome stays ahead of potential delays and pays attention to the details that define the final result. When he is leading on the ground, you get consistency, accountability and workmanship you can trust.
Essy
Foreman
"I lead by doing — if I wouldn’t do it myself, I won’t ask anyone else to."
Essy is a hands-on leader who sets the standard on site through action, not instruction. As Foreman, she oversees day to day execution, keeping crews organised, aligned and focused on delivering to Tegnal’s standards.
Her approach is direct and practical, ensuring work is done efficiently without compromising quality. She leads from the front, earning respect through consistency, work ethic and a willingness to step in wherever needed.
Essy creates a strong site culture where accountability is shared and expectations are clear. She stays solution-focused under pressure and keeps projects moving the right way.
When Essy is on site, the standard is clear — and the work reflects it.
Themba Kennedy Nxumalo
Head of Electrical
COC, 25 Years Experience
"Electrical work done right is invisible — you only notice it when it’s done wrong."
Themba Nxumalo leads Tegnal’s electrical division with precision, discipline and a strong focus on doing things right the first time.
With deep technical expertise and compliance knowledge, he ensures every installation meets strict standards of safety and performance. He understands how electrical fits into the broader build process, allowing him to plan ahead, coordinate effectively and prevent delays or rework.
Working with Beap Electrical, a 31-year registered contractor within the N2 Group of Companies, he brings trusted experience to every project.
When Themba is in charge, electrical is controlled, compliant and done right from the start.
Jason Oliemans
Marketing
"A great company deserves to be known. My job is to make sure it is."
Jason Oliemans is responsible for Tegnal Group’s brand presence — shaping how the company shows up, communicates and competes in the market.
From social media to client communication and brand positioning, he ensures every touchpoint reflects the quality and consistency delivered on site, aligning perception with reality.
He combines creative thinking with commercial awareness to build visibility, credibility and demand through intentional messaging.
Every campaign is designed to turn attention into opportunity and clearly communicate what sets Tegnal apart.
Matthew Lange
Head of Quality Control, Health & Safety
"Standards aren’t negotiable — they’re what protect the work, the people, and the reputation."
Matthew Lange safeguards the quality, safety and integrity of every Tegnal project, ensuring standards are consistently enforced across all sites.
He oversees inspections, implements safety protocols and ensures compliance with regulations and internal benchmarks, identifying risks early and maintaining a controlled working environment.
Working across all projects, he brings structure and accountability to the build process, ensuring quality and safety are never compromised.
He plays a key role in upholding the standards and excellence the brand is built on.