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 ConsultationMicrosoft Partner · Based in Centurion
Trusted by South African businesses
















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.