System4 is an association of privately operated networks, servers and services. System4 offers the full range of complex business IT solutions for private enthusiasts and is driven as a private hobby project. The idea to offer free services at the highest level of quality and progress for a closed community, links since 1994 committed and competent IT experts and interested parties together. System4 has its own IPv4 networks, servers, sites and applications to ensure that claim. System4 is the proof that it is possible to be a „digital native“ and independent self-provider at the same time. Potential future participants will be selected and contacted by System4. System4 is a privately operated non-profit hobby project. There is no business and thus no dependent obligations/regulations to follow or to claim.
| Website | http://www.system4.org |
| Revenue | $6 million |
| Employees | 5 (2 on RocketReach) |
| Founded | 1994 |
| Phone | (440) 746-0440 |
| Industry | Information Technology and Services, Business Services General, Business Services |
| Keywords | It Services, Network Services, Server Solutions, Business It, Network Infrastructure, Network Management, Complex It Solutions, Private Servers, It Infrastructure, System Administration, Computer Networking, Managed Services, Data Center, Technology Solutions, Hosting Solutions, It Support, It Consulting, Cloud Solutions, Technical Support |
| Competitors | Aramark, JLL Project and Development Services, Sodexo, ABM Industries, ISS Facility Services Danmark, Compass Group, Cenero, Cafe on the Square, Cromwell Architects Engineers, GDI Integrated Facility Services +27 more (view full list) |
| SIC | SIC Code 73 Companies, SIC Code 734 Companies |
| NAICS | NAICS Code 56 Companies, NAICS Code 561 Companies |
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System4 Questions
The System4 annual revenue was $6 million in 2026.
Martin Wilhelm is the Founder, Evangelist, Architect of System4.
2 people are employed at System4.
System4 is based in Sigtuna, Stockholm County.
The NAICS codes for System4 are [56, 561].
The SIC codes for System4 are [73, 734].
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