About Mainstream Technologies SA
We help businesses in San Antonio and South Texas keep their technology stable, secure, and supportable.
Our approach
We prioritize documentation, standards, and practical security—so your environment stays manageable long after the install.
- Clear scope, timelines, and deliverables
- Clean installs with labeling and documentation
- Security-forward best practices
- Support you can reach when you need it
What you can expect
Transparency
No confusing jargon, no mystery work.
Reliability
Standards + monitoring that reduce surprises.
Security
Sensible hardening and recovery planning.
Support
Responsive help during business hours.
Ready to improve reliability and reduce risk?
Let’s talk through what’s working, what isn’t, and what to do next.