Network Infrastructure · Cloud Services · Software Engineering · Managed IT
From network cabling to cloud APIs — full-spectrum technology solutions engineered for Nigerian enterprises.
4G Square Network Limited is a Lagos-based ICT solutions company delivering enterprise-grade network infrastructure, cloud server management, software engineering, and managed IT services across Nigeria. Founded and led by Charles Olatunbosun Pedro, a Senior ICT Professional holding the Microsoft Certified Systems Engineer (MCSE+I) certification with over 30 years of hands-on experience spanning software development, server administration, network engineering, and IT consulting.
Our track record spans critical institutions — from designing and implementing six-VLAN hospital network infrastructures using Sophos XGS firewalls and Cisco Catalyst switches, to developing multi-tenant HMO platforms serving thousands of health insurance enrollees, to deploying WireGuard VPN-secured Windows Server 2025 environments across Singapore and Amsterdam data centres. Whatever your ICT challenge, 4G Square brings Fortune 500 rigour to Nigerian businesses.
Three decades of progressively senior ICT leadership roles across Nigeria and West Africa.
Designed and developed the SchoolManager accounting system used by Nigerian schools for 15+ years. Providing Sage 50, QuickBooks, networking and cloud server support to SMEs and institutions across Nigeria.
Developed and maintained core ASP.NET Core services, web applications and database solutions. Coordinated software deployments, feature updates and code quality enhancements.
Designed, organised and supported company-wide computer systems. Developed in-house store management software using C# and WPF. Configured company LAN/Wi-Fi/WAN infrastructure.
Taught Computer Science and Physics courses. Coordinated network access and computer lab management for the university.
Managed enterprise architecture and technology infrastructure. Planned and implemented IPTV, CCTV, videoconferencing and ISP services. Trained and supervised technical support teams.
Deployed and maintained VSAT infrastructure for clients across Lagos and Nigeria. Configured radio equipment and billing systems for internet service provision.
Led all ICT functions as Group Head for 12 years, managing Network Systems Engineers, Applications Developers and Webmaster teams. Deployed Windows Server, SQL Server, ISA Server environments. Managed VSAT, VoIP (Net2phone Max T1/E1), Panasonic Hybrid IP-PBX, Active Directory, DNS and firewall security. Developed custom ERP applications including Invoicing, Purchase Order, Store Management and Warehouse Control systems.
Continuously validated expertise across networking, cloud, software engineering and data privacy.
4G Square Network Limited · Authorised Reseller · April 2026 – May 2027
Microsoft · December 2000
Securiti · Data Privacy Laws & PrivacyOps (4 CPE Credits) · Cert ID: 144C198CF-13F55820C-13F28565D
Cloud Institute & Udemy · March 2023
Udemy · March 2023
Udemy · January 2020
Udemy · December 2019
Udemy · December 2019
TutorialsEU · February 2023
Lagos Business School · May 2002
Deep domain expertise across the industries that matter most to Nigeria's economy.
Hospital networks, HMO platforms, medical facility IT infrastructure
Health insurance systems, multi-tenant ERP platforms, compliance
School management systems, campus networking, e-learning platforms
VSAT, IPTV, billing systems, radio equipment, internet service provision
End-to-end IT support, cloud servers, accounting software, procurement
Infrastructure consulting, data privacy compliance, NDPR advisory
What sets us apart in Nigeria's ICT services landscape.
From network cabling to cloud APIs — one trusted partner for every ICT need, from design through deployment to ongoing management.
Deep experience in hospital network infrastructure, HMO platform development and healthcare data compliance under the NDPR.
99.9% uptime commitment backed by robust monitoring, proactive maintenance and rapid response protocols.
Every project personally led by a 30-year veteran MCSE-certified engineer — never handed off to junior staff.
SSPI is a global non-profit organisation connecting space and satellite professionals worldwide. Charles serves as Head of Technical Training for the Nigeria Chapter, driving professional development across the satellite communications sector.
Reach out for a consultation, a quote, or to discuss your next project.
Oshodi-Isolo, Lagos, 100264, Nigeria
Monday–Saturday, 8AM–8PM WAT