Most IT companies don't make it to twenty-six. THUSA has been here since 2000.
THUSA Business Support (Pty) Ltd, trading as THUSA, is an owner-managed IT services provider founded in 2000 and based in Umhlanga Ridge, Durban, South Africa. We provide managed IT services, cyber security, business continuity and private cloud to businesses in South Africa, Lesotho, Namibia, Zambia, the United Kingdom, the Isle of Man and New Zealand.
Same work, same owners, same city, since 2000. This page is about why that matters to you, not to us.
26
years, unbroken, since 2000.
Who we are
Since 2000, THUSA has provided expertly managed IT solutions to its clients. Our approach is security-first and data-driven, and seeks to minimise IT disruption, strengthen cyber resilience and improve operational efficiency. We have a track record of reliable, tailored service that helps clients stay agile, competitive and prepared for the future.
Important numbers
Our key figures:
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Since 2000: founded, and trading continuously since.
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300+ client sites monitored.
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7 countries served, including South Africa, the United Kingdom and New Zealand.
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B-BBEE Level 2.
Longevity is not a badge. It is the reason the person who picks up already knows your environment.
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Nobody is learning on your estate.
The engineer on your account has probably supported it for years. There is no handover tax every time something breaks. The handover tax is the cost of someone new learning your environment.
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We have seen your problem before.
Twenty-six years is a long catalogue of failure modes. Most incidents are not new to us, even when they are new to you.
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We will be here for the contract's life.
No external investors, no private-equity roll-up, no plan to be sold out from under you mid-term.
The same owners, the whole time.
THUSA Business Support is privately held and owner-managed. The people who started the company in 2000 still run it. There are no external investors and the business has never been part of a private-equity roll-up.
That is unusual in managed IT. Consolidation has taken a large part of this market, and the pattern it produces is familiar to anyone who has lived through one. The account team changes, the service desk moves, the people who knew your environment leave, and the contract you signed is now held by somebody you never met.
Ownership is where that pattern starts. It is the single thing most worth checking before you sign a three-year agreement with any IT provider, including us. Ask who owns them, and ask who owned them three years ago.
Our focus
We are outcome-led. We align technology investment to business objectives, manage delivery end to end and hold accountability for results, so coordination risk does not come back to you. We operate as an extension of our clients' leadership team. Our managed IT services put that into practice: remote management, maintenance and functional support for a client's entire IT ecosystem. We work toward three outcomes, the results our services are built to deliver. Business Continuity keeps you operating through disruption. IT Maturity is IT that is governed, secure and audit-ready. IT Cost Efficiency cuts unnecessary technology spend, support overhead and business disruption.
Why THUSA
Four principles shape how we work.
Dependable expertise.
Our service rests on a dedicated team of professionals. Our IT team keeps expanding and upskilling, so appropriately skilled service managers and engineers are ready to respond. The result is consistent service delivery.
Cost effective.
We bill at a predictable monthly cost. Cost is built into every service, and the aim is a controlled operating expense that matches the business need.
Security first.
Cyber security is a priority, not a feature. We embed it across every engagement, to manage risk proactively, strengthen resilience and harden IT operations. Our cyber security programme is aligned to ISO/IEC 27001, with the NIST Cybersecurity Framework and CIS Controls as references. The audit trails and documentation of our virtual datacentre support our alignment to ISO/IEC 27001 and our obligations under POPIA.
Data driven.
Data is at the core of every decision. We apply root cause analysis, discovery, trending and benchmarking to engineer solutions that are effective and outcome-driven.
Industries THUSA serves
THUSA provides managed IT services to six sectors.
Professional services:
Uptime and confidentiality for firms whose product is their people.
Manufacturing:
Resilient systems, floor to office.
Medical:
Secure, available systems where downtime is not an option.
Logistics and warehousing:
Connectivity and continuity across every site.
Retail and hospitality:
Point of sale to head office, through every trading hour.
Research and education:
Scalable, secure infrastructure for institutions that grow.
We also act as an augmentation partner to smaller IT companies looking to scale, adding datacentre, security or continuity capability they do not run themselves.
Our vision
Our vision is to be the IT partner of choice for our clients, and the employer of choice for our people.
Our mission
Our mission is Progressive Continuity. Progressive Continuity means your ability to keep operating does not just recover after disruption. It evolves, strengthens and matures with each event, change or growth phase.
Core values
Core value
In our words
Excellence
We do all things well. We do it before we are asked. We do more than is expected. All the time.
Trust
Consistency, transparency, and accountability.
Value
Benefit that is clear, measurable, and felt by our clients and people.
Empathy
We understand what is at stake, and we respond like it matters.
Leadership
THUSA's directors are Carl Petzer, Daniel Phillips and Gerard Roberts, who is a non-executive director. Carl Petzer is the founder.
Our teams
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The person who picks up already knows your environment.
No re-explaining the estate to a stranger. Requests come in one door and are resolved by the lowest tier that can, which is usually the people who set the thing up in the first place.
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The same faces, month after month.
Low turnover is not a culture perk, it is an operational control. Continuity of people is what keeps the context of your environment out of ticket notes and inside the heads of the team you actually deal with.
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Nothing critical sits with one person.
Documented environments and shared runbooks mean the engineer on leave is never the reason an outage runs long. Depth across infrastructure, security, cloud and networking, rather than one hero and a single point of failure.
The people who answer have been here for years.
Team braai · 2026 
Bowling night · 2026 
Total Ninja · 2025 
Team braai · 2026
Most of the team has been here more than five years.
Company details
| Item | Detail |
|---|---|
| Legal name | THUSA Business Support (Pty) Ltd |
| Trading as | THUSA |
| Founded | 2000 |
| Founder | Carl Petzer |
| Directors | Carl Petzer, Daniel Phillips, Gerard Roberts (non-executive) |
| Ownership | Private · owner-managed |
| External investors | None |
| Company registration number | 2006/024453/07 |
| VAT number | 4380204489 |
| B-BBEE | Level 2 |
| Head office | 6 Nokwe Avenue, Umhlanga Ridge, Durban, 4319, KwaZulu-Natal, South Africa |
| Countries served | South Africa, Lesotho, Namibia, Zambia, United Kingdom, Isle of Man, New Zealand |
| Client sites monitored | 300+ |
| Services | Managed IT, cyber security, business continuity, private cloud, connectivity, voice, AI, automation, software development, advisory |
| Telephone | +27 87 941 6890 |
| See the contact page |
Our reach
We serve clients in seven countries, from our head office in Umhlanga Ridge, Durban.
- Isle of Man
- Lesotho
- Namibia
- South Africa
- United Kingdom
- Zambia
- New Zealand
FAQ: common questions about THUSA
When was THUSA founded?
THUSA Business Support was founded in 2000 and has traded continuously since, from Umhlanga Ridge in Durban, South Africa. The founder is Carl Petzer. Today the company is led by three directors, Carl Petzer, Daniel Phillips and Gerard Roberts, and it provides managed IT services, cyber security, business continuity and private cloud.
Who owns THUSA Business Support?
THUSA is privately held and owner-managed. There are no external investors and the company has not been acquired by a private-equity group. Its founder, Carl Petzer, remains a director. Before you sign a three-year agreement with any IT provider, including us, ask who owns it, and who owned it three years ago.
Where is THUSA based?
Our head office is in Umhlanga Ridge, Durban, KwaZulu-Natal, at 6 Nokwe Avenue. We serve clients across South Africa, Lesotho, Namibia, Zambia, the United Kingdom, the Isle of Man and New Zealand. To ask about a specific location, get in touch.
What services does THUSA provide?
Managed IT services, cyber security, business continuity and disaster recovery, virtual datacentre and private cloud, connectivity, voice, AI, automation, software development, and strategic advisory. Our offerings are built around three outcomes: Business Continuity, IT Maturity and IT Cost Efficiency. The offerings page lists the ones that have a page of their own.
How large is THUSA?
We are a team of more than seventy people monitoring 300+ client sites. Small enough that the person who answers knows your environment; large enough to carry a 24/7 service desk. To talk to the team that answers, start a conversation.
Does THUSA work with other IT companies?
Yes. We act as an augmentation partner to smaller IT companies that need datacentre, security or continuity capability they do not run themselves. Those capabilities come from our virtual datacentre and private cloud, cyber security, and business continuity and disaster recovery services. To discuss a partnership, get in touch.
Is THUSA a registered South African company?
Yes. The registered legal name is THUSA Business Support (Pty) Ltd, trading as THUSA, with company registration number 2006/024453/07 and VAT number 4380204489. The head office is at 6 Nokwe Avenue, Umhlanga Ridge, Durban, 4319. The registration number is a CIPC registration.
Twenty-six years in, we still answer the phone.
To talk to the team, call +27 87 941 6890 or start a conversation. To see the work in a client's own context, read the case studies.