Commercial contractors
Run every service call, project and property from one system.
Commercial work is service calls today, a phased install next month, and a building that will still be standing in thirty years. Thorbis runs the service day now, at $99 a company, and is being built, in the open, toward the rest.
On Core today
Commercial service, without the seat math.
One posted price for the company: the dispatcher, the office, and every tech on the commercial crew, without a per-seat negotiation each time you hire.
The multi-site customer
One company, forty sites. Core models it that way: one customer, many service locations, each with its own history, equipment notes, and open work.
The contract cadence
Quarterly PMs, annual inspections, monthly routes: recurring commercial work generates its own visits on schedule instead of living in a renewal spreadsheet.
The paper the building needs
Photos, findings, signatures, and dates on every visit: the record a property manager forwards to their boss without editing it first.
Billing that matches the work
Net terms, progress draws on long jobs, consolidated history per site, and no per-seat line for the crew.
The crews that serve buildings
Software that has stood on a slab.
Built for the trades that work in mechanical rooms and on rooftops, not adapted for them after the fact.
The arc
Service. Then projects. Then the property.
Each stage wears its real status. Only the first one is for sale.
Now
Service, run properly
The commercial service day on one board: emergencies, routes, inspections, and the paper trail. This is Core, running in the field today.
Next
Projects
Phases, draws, and change orders around the progress billing Core already does. The long job gets a structure, not a workaround.
Later
The property side
The building's own operators on the same record its contractors write: a direction we're recruiting design partners for, not a product we're claiming.
The whole plan, staged honestly: the roadmap →
The commercial trades
Playbooks for the crews that serve buildings.
Refrigeration
The walk-in, the clock, the contract.
The playbook →
Fire & life safety
Inspection cycles where the record is the product.
The playbook →
Controls & low voltage
Phased installs, punch lists, service behind them.
The playbook →
HVAC
RTUs, changeouts, and the maintenance book.
The playbook →
Electrical
Safety signed. Phases billed.
The playbook →
Plumbing
The commercial side of the 2 a.m. trade.
The playbook →
The proof standard
No logo wall. No percentages.
Commercial software pages usually carry a strip of borrowed logos and a claim like “31% more revenue.” This one doesn’t. Improvement numbers print here only when they’re measured, sourced, and scoped, and named customers appear only with written approval. Until then, the proof is the product and the posted price.
Start
The building keeps the record.
$99 a company. Unlimited people. Commercial service today, the long job next, and a council of working contractors shaping both.
Waitlist open. One email when your invite is ready, nothing else.
Coming from a suite? We’ll extract Tuesday.
Rather talk first? Email the team.



