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The platform

One platform instead of nine disconnected tools

D50 OS is a single system of record for the whole job. Every module shares the same projects, cost codes, contacts and permissions, so data is entered once and trusted everywhere.

  • Single system of record
  • Modular by design
  • Offline-ready field apps
  • Open API
D50 OS

One record, one truth

Projects, cost codes, contacts, drawings and companies live once. Change a cost code and it updates in estimating, commitments, invoices and reporting at the same moment.

Modular, not monolithic

Start with what hurts most. Add modules as your teams mature. You are never paying for software nobody opens.

Built for the field first

Every field workflow works offline and syncs on reconnect. If it does not work in a trailer with one bar of signal, it does not ship.

Permissions you can defend

Role, company and record-level access. Subcontractors and owners see exactly what you shared and nothing else.

Open by default

REST API, webhooks and scheduled exports so accounting, BI and payroll stay in sync with the platform of record.

Reporting that closes the loop

Because field, schedule and cost share the same data, a two-day delay shows up as a dollar figure the same afternoon.

Executive visibility

Your whole portfolio on one screen

Contract value, margin at completion, schedule health, open risk and cash position, rolled up from the work your teams already log.

app.d50os.com/portfolio
Your whole portfolio on one screen
Real time no weekly roll-up
Drill down portfolio to line item
How the pieces fit

Every discipline, one thread

The same project record follows the job from the first estimate to final closeout.

Win the job with a number you can build

Estimates, takeoffs and bid packages stay linked to the cost codes you will actually run the job with.

  • Assembly-based estimating
  • Quantity takeoff with markups
  • Bid board and sub coverage
  • Award converts the estimate into the working budget
Win the job with a number you can build

The field feeds the system, not the other way around

Crews log what happened once, and it lands in the schedule, the cost report and the owner packet.

  • Daily reports with photos and voice notes
  • Toolbox talks and incident logs
  • Punch lists and inspections
  • Equipment and material tracking
The field feeds the system, not the other way around

Every dollar has a home

Subcontracts, purchase orders, change orders, payables and progress billing tied to the same budget line.

  • Budget vs. committed vs. actual
  • Change order workflow with approvals
  • AIA-style progress billing
  • Cash-flow forecast by project
Every dollar has a home

Decisions stop disappearing into email

Every question, answer and approval is filed against the drawing, the spec and the cost code it affects.

  • RFI and submittal registers with aging
  • Meeting minutes with carry-forward items
  • Design change log
  • Ball-in-court accountability
Decisions stop disappearing into email

Hand over a package, not a hard drive

Closeout starts on day one, so the owner package assembles itself as the job runs.

  • As-built drawing set
  • Warranty and O&M library
  • Final lien waivers and releases
  • Owner training records
Hand over a package, not a hard drive

Why teams stay on it

Adoption

If the field will not use it, it is shelfware. Every field screen is designed to be finished with gloves on, in under three minutes.

Accuracy

Data is entered once, at the source, by the person who knows. Fewer re-keys means fewer arguments at month end.

Accountability

Every record carries who did what and when, so audits, claims and owner disputes are settled with evidence.

D50 OS is the system of record for the job, and it plays well with the systems that run the business.

  • Accounting - export commitments, invoices and payroll-ready hours to your general ledger on a schedule you control.
  • Payroll - approved field hours flow out by cost code and classification.
  • Business intelligence - a read-only reporting connection so your analysts can build on live data.
  • Storage and email - documents and correspondence stay linked to the project record.

Everything visible in the interface is available through the API.

  • REST API with token authentication and scoped permissions.
  • Webhooks on the events that matter: RFI answered, change order approved, daily report submitted, budget exceeded.
  • Scheduled exports in CSV and JSON to your own storage.
  • Automation rules so routine approvals and notifications run without anyone chasing them.

Your data is yours, and you can prove it.

  • Full export of records, documents and photos at any time.
  • Configurable retention and archival per project.
  • Documented data model so migrations in or out are predictable.
  • No lock-in clauses and no export fees.

Ready to see it on your own job?

Bring one active project. We will configure a working example during the call.