Join
Preconstruction cost, schedule, and design-decision management platform that centralizes budget trending, scenario evaluation, and risk/contingency governance across owner, architect, GC, and trade stakeholders through Design-Build, CMAR, IPD, and other collaborative delivery models, then hands accepted decisions off to Autodesk Build or Procore for construction.
Hidden PricingAgent-hostile
2.2 /5 composite score
Well-funded ($30M+ raised, SignalFire-led Series A) preconstruction decision-management platform with named enterprise GC customers (DPR, McCarthy, Barton Malow) and deep Autodesk/Procore/Sage/WinEst/DESTINI integrations, but pricing is entirely quote-only and no public API/CLI/MCP was found.
Situational
Rubric Scorecard
| Criterion | Score | Evidence |
|---|---|---|
| Value for the price | 1/5 | quote-based / contact-sales; no published pricing tiers found Source → |
| Agent Friendliness | 1/5 | API: unknown -- no public developer-docs API found; integrations are vendor-built connectors to Procore/Autodesk/Sage/WinEst/DESTINI/Egnyte/RSMeans/Excel |
| Ease of adoption | 2/5 | web-saas Source → |
| Portability & lock-in | 3/5 | 3 file formats, export: bulk |
| Interoperability | 4/5 | 12 integrations Source → |
How we verified this: we checked Join against its live site and an independent source — techcrunch.com. Nothing on this page is listed from memory. See how we grade. Verified 2026-07-04.
Evidence
File formats
| Format | Direction | Support |
|---|---|---|
| XLSX | both | full -- Estimate import/export; ingests Sage Estimating, WinEst, and DESTINI Estimator exports. |
| XML | import | partial |
| RVT (via plugin) | import | view-only -- Via an Autodesk Forge/APS-based 3D viewer with markup and saved views. |
Integrations
Autodesk Build (native) Autodesk Docs (native) BIM 360 (native) Procore Documents (native) Procore Estimating (native) Procore Financials (native) DESTINI Estimator Sage Estimating WinEst Gordian RSMeans Egnyte Microsoft Excel
Adoption
Deploymentweb-saas
Self-serve signupno
Implementation requiredvendor-led
Data export
Export mechanismbulk
Export scopepartial
Ecosystem
Plugin marketplaceno
Sources
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