Critical systems
Custom software for the processes your organization runs on every day: operations platforms, internal tools, and customer-facing applications that have to hold up under real load.
Technology engineering · Chicago
Critical systems, engineered to stay up.
10 US Solution designs, builds, secures, and operates the production software, cloud infrastructure, and AI systems that organizations can't afford to lose.
- Headquarters
- Chicago, IL · 41.88°N 87.63°W
- Local time
- --:--:-- CT
- Scope
- Design · Build · Secure · Operate
- Status
- Taking new engagements
Our position
Systems rarely fail on launch day. They fail at 2 a.m. eight months later, after the team that built them has moved on. We keep design, delivery, security, and operations under one accountable team, so the people who build your system are the people who answer when it pages.
Practices
Five disciplines. One team accountable for all of them.
Each practice can stand alone. Most clients engage several, because the hardest problems sit between them.
Infrastructure modernization
Moving aging servers and hand-run deployments onto cloud infrastructure that is defined in code, reproducible from scratch, and recoverable in minutes instead of days.
Applied AI
AI that does a measurable job, such as document extraction, classification, and workflow automation, with output you can trace, review, and evaluate before it reaches a customer.
Data protection
Security designed in rather than bolted on: least-privilege access, encryption in transit and at rest, secrets kept out of code, and HIPAA-aware builds where the domain requires it.
Managed operations
We keep running what we build: uptime and error monitoring, patching, backups, and incident response, measured against a service level agreed in writing.
Reliability
Uptime is a number. We write it down.
Every system we operate gets an availability target agreed before launch. The target sets an error budget: the downtime the system can absorb before reliability work outranks new features. Pick a target to see what it allows.
Error budget calculator30-day month · 43,200 minutes
Three nines
- Per month
- 43m 12s
- Per week
- 10m 05s
- Per day
- 1m 26s
- Per year
- 8h 45m 36s
One 30-minute outage would use 69% of this month's budget.
Engagement
Four stages, each with something you can hold.
Nothing is built before the scope is in writing. Every stage ends with a deliverable you keep, whether or not you continue to the next one.
- 01
Assess
We map the current system, its constraints, and what an outage would actually cost you.
You receive a written assessment
- 02
Scope
Fixed deliverables, a timeline, a price, and the availability target the system must meet.
You receive a statement of work
- 03
Build
Delivered in increments you can review, with automated checks gating every release.
You receive working software
- 04
Operate
Handoff to your team with runbooks, or ongoing operation by ours under a written service level.
You receive a running system
Commitments
What you own when we're done.
Engineering firms often keep clients by keeping the keys. We do the opposite, and put it in the contract.
The code
Full source in a repository under your account, with intellectual property transferred at delivery.
The accounts
Cloud, domain, and vendor accounts registered to your organization, never to ours.
The runbooks
Written procedures for deploying, restoring, and recovering, so any competent engineer can take over.
The numbers
Availability targets and response times agreed in writing, and reported against.
Start a conversation
Tell us what has to keep running.
Describe the system and who depends on it. You'll hear back from an engineer, not a sales team.
- Company
- 10 US Solution Inc.
- Entity
- Illinois corporation, est. 2026
- Headquarters
- Chicago, Illinois
info@10ussolution.com