Seitfin
Supporting SMEs since 2017

Right-Sized IT Support for South African SMEs

We help small and medium businesses get exactly what they need from their IT, no fluff, no overselling. Just smart, secure, scalable solutions that work, backed by a local team based in Centurion.

Book a Free IT Consultation

Microsoft Partner · Based in Centurion

Trusted by South African businesses

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Express Employment Professionals logo
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Marili Hattingh Physiotherapists logo
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Empowering SMEs With Smart, Right-Sized IT

We help small and medium-sized businesses across Centurion, Gauteng and South Africa get exactly what they need from their IT, no more, no less. As independent IT consultants, we focus on practical, scalable solutions built on trusted platforms like Microsoft 365, backed by proven security tools. Our goal is simple: simplify your IT environment, strengthen your security, and make sure every rand you spend on technology supports your business, not just your infrastructure.

What We Do

Managed IT Services

We manage your IT systems proactively, monitoring, maintaining, and supporting your team so everything stays secure, updated, and running smoothly.

Microsoft 365 Consulting

We design and tailor Microsoft 365 to your business, boosting productivity, collaboration, and security across Teams, SharePoint, and Exchange.

IT Strategy & Advisory

We provide clear, vendor-neutral guidance to align your IT with your business goals, so every investment moves you forward.

Cybersecurity & Compliance

We protect your business with practical, layered security and help you stay aligned with POPIA best practices.

Server Support

We keep your servers fast, secure, and stable, on-premise, cloud, or hybrid, so downtime never becomes your problem.

Web Design (New)

Clean, professional websites for SMEs, from a simple one-pager to a fully bespoke, design-led site, with transparent pricing from R1,990.

Why SMEs Choose Seitfin

No Unnecessary Upselling

We recommend only what you truly need. Our advice is always in your best interest, never the vendor's.

Official Microsoft Partner

As a Microsoft Partner, our team is trained and certified in Microsoft technologies, giving you expert guidance and reliable implementation.

Tailored Advice for SMEs

We understand the real-world challenges of small and medium businesses and build solutions that fit your size, goals, and budget.

Transparent, Jargon-Free Support

We speak your language, not tech-speak. Clear, honest communication you can actually understand and trust.

What Our Clients Say

“Professionalism, proactive in addressing issues and challenges, and reliable.”

Cynthia Obeng-Mireku

Cynbar Human Capital

“Wonderful service by a knowledgeable expert.”

Sanet Claasen van Wyk

Mynique Ideas

“Seitfin is our exclusive IT partner. Kobus and Seitfin aren't a supplier, they're a partner who has significantly contributed to our success.”

Duan Nortje

Express Employment Professionals SA

“Seitfin implemented Office 365 for our organisation smoothly and continues to provide solid, professional support.”

Willie Beyl

SPOC Managed Services

“Professionalism, proactive in addressing issues and challenges, and reliable.”

Cynthia Obeng-Mireku

Cynbar Human Capital

“Wonderful service by a knowledgeable expert.”

Sanet Claasen van Wyk

Mynique Ideas

“Seitfin is our exclusive IT partner. Kobus and Seitfin aren't a supplier, they're a partner who has significantly contributed to our success.”

Duan Nortje

Express Employment Professionals SA

“Seitfin implemented Office 365 for our organisation smoothly and continues to provide solid, professional support.”

Willie Beyl

SPOC Managed Services

A Local IT Partner You Can Actually Trust

We help small and medium-sized businesses harness the power of enterprise-level IT, without the complexity or the hard sell. Founded in 2017, Seitfin is led by co-founders Kobus Schlebusch and Janis Schlebusch. With 20+ years of hands-on experience in IT infrastructure, cybersecurity, and Microsoft 365, Kobus leads our technology strategy and service delivery. Janis leads operations, finance, and client experience, and also runs her own practice, Schlebusch Tax & Accounting.

Common Questions

No — while we’re based in Centurion and provide onsite support across the region, we support SMEs remotely across Gauteng and South Africa.
Yes, this is exactly who we work with. We can fully manage your IT, or work alongside an internal team if you have one.
No, but we do specialise in Microsoft 365 environments. If you’re not on Microsoft 365 yet, we can help you assess whether it’s the right fit.
Book a free consultation, we’ll review your current setup, understand your goals, and recommend a right-sized plan with no obligation.