Join
Join is a venture-backed SaaS company, founded in 2017 and based in San Francisco, that sells a unified preconstruction and design phase management platform to US general contractors, owners, design teams, and trades, monetizing through quote-based annual subscriptions with deep integrations into Autodesk, Procore, Trimble, and Sage.
- Company typePrivate
- Founded2017
- HeadquartersOakland, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Join does
Join Inc. is a venture-backed software company founded in 2017 and headquartered in San Francisco that sells a unified preconstruction and design phase management platform to the US construction industry. The platform is organized into seven core modules (Stakeholder Engagement, Validation and Programming, Design Management, Preconstruction Intelligence, Cost Analysis, Transition to Operations, and Procurement) that together provide a shared system of record for cost, schedule, risk, and decision data across owners, general contractors, design teams, and trades. Underlying capabilities include a centralized historical cost database (Join Benchmarking) integrated with Gordian RSMeans cost indexes, a real-time decision/risk/cost/schedule data model with a persistent audit trail, and a 'Bring Your Own Agent' extensibility layer built on the open Model Context Protocol (MCP) plus a REST API that allows customers to connect external AI applications and agents directly to the platform.
The company's go-to-market is enterprise sales-led, with quote-based annual subscriptions, a 'Book a Demo' and 'project-intake' funnel, no public price list, and no freemium or self-serve tier. Distribution is reinforced by deep integrations and marketplace listings with Autodesk Construction Cloud (Build, Docs, BIM 360, Revit, ProEst), Procore (Estimating, Documents, Change Events), Trimble WinEst, Beck DESTINI, Sage Estimating, Egnyte, Microsoft Excel, and Gordian, plus strategic investors DPR Construction and STO Building Group (parent of Layton) who also serve as flagship customers and reference channels. Reported scale includes 1,000+ customer companies, 1,000+ projects, and $10B+ in aggregate decision impact, with named enterprise wins across DPR Construction, Barton Malow, Layton, McCarthy, Swinerton, XL Construction, Parkway Construction, Boldt, Clark Construction, W.E. O'Neil, Level 10, and Kitchell, among others.
Join monetizes entirely through subscription SaaS with annual billing and no maintenance fees, and reports SOC 2 compliant practices plus GDPR-equivalent data-transfer safeguards in its privacy policy. The team is small (11-50 employees) and unusually hybrid: over 50% are alumni of leading US general contractors and design firms (Clark, DPR, Hensel Phelps, Layton, XL, Level 10, Perkins & Will, NBBJ, Skidmore Owings & Merrill), with technical leadership drawn from Google X, Autodesk, and Palantir. Capital history includes a roughly $4M seed in 2019 (Building Ventures, SignalFire, Bolt), a $16M Series A in June 2022 led by SignalFire, and an undisclosed growth investment in September 2025 from DPR Construction, STO Building Group, and WND Ventures.
Join firmographics
Firmographics- Name
- Join
- Legal name
- Join Inc.
- Website
- https://join.build
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Join is a venture-backed SaaS company, founded in 2017 and based in San Francisco, that sells a unified preconstruction and design phase management platform to US general contractors, owners, design teams, and trades, monetizing through quote-based annual subscriptions with deep integrations into Autodesk, Procore, Trimble, and Sage.
- Ownership category
- akta.pro rank
Join industry classification
Industry- Product category
- Construction Preconstruction Software
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- EDA Cloud/SaaS, Design Data Management & Collaboration (HDAHAFAJ)
Keywords
Where Join is headquartered
LocationHeadquarters
- HQ city
- Oakland
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Join business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Subscription SaaS: Subscription-based SaaS pricing for preconstruction and design phase management software. Per the FAQ, fees are subscription-based with no maintenance fees, customers always use the latest version, and pricing is competitive with other SaaS solutions in the construction industry. Quote-based / tailored pricing (no public price list).
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Quote-based subscription tailored to each customer; no public price list. |
| Subscription | Annual | Construction SaaS subscription with no maintenance fees; latest version always included. |
Go-to-market motion4 records
Distribution channels5 records
Marketing channels9 records
Join product offering
Product offeringCore offering
Join provides a cloud-based preconstruction and design phase management SaaS platform that aligns owners, design teams, and contractors around a unified system of record for cost, schedule, risk, and decision data. Built for collaborative delivery methods (Design-Build, CMAR, IPD, IFOA, TVD), it offers modules for stakeholder engagement, validation and programming benchmarking, design management, preconstruction intelligence, cost analysis, procurement, and transition to operations, with bi-directional integrations into estimating and project management tools such as Procore, Autodesk Construction Cloud, Sage, Trimble WinEst, and Beck DESTINI.
Product overview
Join is a unified preconstruction and design phase management platform (a single integrated platform composed of multiple named modules) built for the construction industry. The core platform unifies Stakeholder Engagement, Validation and Programming, Design Management, Preconstruction Intelligence, Cost Analysis, Transition to Operations, and Procurement modules to align owners, design teams, and contractors around a single system of record for cost, schedule, risk, and decision data. Building on this core, Join Agents (Bring Your Own Agent, powered by MCP + API) provides an AI extensibility layer that connects external AI applications and agents to the platform, while the Join + TestFit AI Real Estate Feasibility Integration extends the offering to early-stage real estate feasibility through Trimble Marketplace.
Differentiator
Problem solved
Functional benefit
Brands
- Join Benchmarking: A historical cost benchmarking and validation feature/product within the Join platform, used to price early estimates, access unit costs, and validate project viability.
- Join Scenarios
Products and services
- Stakeholder Engagement Collaborative infrastructure module that keeps project stakeholders aligned in real time through Decision Tracking, Reporting, Cost & Schedule Trending, Scenario Analysis, and Risk Management, clarifying and prioritizing preconstruction decisions for general contractors, owners, and design teams.
- Validation and Programming Module that assesses project viability early using historical-cost benchmarking and early estimates to reduce uncertainty, align on scope, and set projects up for success before design begins; includes the Join Benchmarking historical cost repository.
- Design Management Module that centralizes design timelines and critical requirements so teams deliver design on schedule, including a Design & Preconstruction Timeline importable from OPC, P6, Microsoft Project, Planera, or Phoenix and Critical Project Requirements tracking.
- Preconstruction Intelligence Enterprise-wide module that consolidates cost data, decisions, insights, and standards, including a Historical Cost Database, Enterprise Knowledge Sharing, Portfolio Summary dashboard, and Workflow Standardization via firm-wide templates.
- Cost Analysis Module that unifies cost considerations from conceptual estimates through contracted cost, including Cost Trending, Value Engineering, Conceptual Estimating, Target Value Design, Owner Cost Management, and Contingency & Allowance Management.
- Transition to Operations Module that bridges preconstruction and operations by preserving full history of decisions and risks, with Item and Risk History and change-management integrations to Procore and Autodesk Construction Cloud.
- Procurement Module that coordinates fast-track procurement with design and cost trending during preconstruction to keep scope, pricing, and schedule aligned for trades and general contractors.
- Join Agents (Bring Your Own Agent / MCP + API)
Companies that use Join
Customer profileNamed customers19 records
Segments5 records
Ideal customer profiles4 records
Join technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration11 records
AI capability10 records
Feature8 records
Join partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- Autodesk Construction Cloud (Autodesk Build, Autodesk Docs, ProEst, Revit)coreDeep technology integration enabling OAC collaboration throughout Precon and into Construction; bi-directional link from accepted Join Items to Potential Change Orders in Autodesk Build; Autodesk Revit Viewer embedded in Join for live OAC meetings; Join Partner Card for Autodesk Construction Cloud Insights dashboards. Join is a member of the Autodesk Developer Network and listed on the Autodesk App Store.
- Procore (Estimating, Documents, Change Events)coreBi-directional integration with Procore Estimating (import estimates into Join Milestones), Procore Documents (link documents to Items/Milestones), and Procore Change Events (auto-create from accepted Join Items). Join is a member of the Procore Developer Network and is listed on the Procore App Marketplace.
- Trimble (WinEst)coreIntegration enabling import of cost estimates from Trimble WinEst into Join Milestones; Join also recognized at the 2025 Trimble 0-60 Challenge and has integrations available on Trimble Marketplace.
- Model Context Protocol (MCP)coreJoin exposes an MCP server + REST API so customers can connect any external AI application or agent to Join for ad hoc analysis, automated routine actions, and coordination of AI work alongside human teams. Adopts the open Model Context Protocol standard.
Scale indicators10 records
Recent moves6 records
Expansion highlights6 records
Join competitors and assessment
Company assessmentBroad incumbents
- Procore: Public construction project management platform covering estimating, change events, documents, and financials. Joins the most established preconstruction-adjacent incumbent and a direct integration partner, but its scope spans the full project lifecycle rather than preconstruction-only.
- Autodesk Construction Cloud: Broad construction platform spanning Autodesk Build, Docs, BIM 360, Revit, and ProEst. Joins deepest integration partner for OAC collaboration and Potential Change Orders, but competes across the wider project lifecycle and could natively extend into preconstruction.
- Trimble: Diversified construction technology vendor with Trimble WinEst, Trimble Marketplace, and Trimble Connect. Integrates with Join for estimate import and awarded Join jointly with TestFit at its 2025 0-60 Challenge, while competing across estimating and project management.
- Sage Estimating: Established construction estimating suite widely used by GCs for detailed cost estimating. Competes directly in preconstruction estimating workflows while also being a Join integration partner via the Sage Partner Network.
Direct peers
- Beck Technology (DESTINI Estimator): Preconstruction estimating software focused on conceptual and detailed cost estimating for owners and design-build teams. Direct peer in preconstruction estimating and a live integration partner that imports DESTINI estimates into Join Milestones.
- BuildingConnected (Autodesk): Preconstruction bid management and trade network owned by Autodesk; competes in the same multi-stakeholder preconstruction workflow that Join serves, particularly around bid invitation and trade coordination with GCs and owners.
- Planera: Collaborative scheduling and preconstruction planning software purpose-built for construction teams. Direct peer in preconstruction planning, with Join supporting timeline import from Planera as part of its design and preconstruction timeline feature.
Emerging players
- ALICE Technologies: AI-based construction planning and schedule optimization platform that explores millions of schedule options to compress project timelines. Competes with Join's scenario modeling and schedule optimization capabilities as an AI-native entrant.
- TestFit: AI-driven real estate feasibility and site planning platform for developers, architects, and GCs. Recently partnered with Join on a Trimble Marketplace integration after their joint win at Trimble's 2025 0-60 Challenge, making them both collaborator and partial competitor.
- Briq: AI-native construction financial planning and forecasting platform for GCs. Overlaps with Join's Cost Analysis module and preconstruction cost trending from a finance-forward angle, representing an emerging AI-native alternative for the same buyer.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Join social profiles
Digital presenceJoin compliance and trust
Trust signalCompliance2 records
Join financial estimates
Financial estimateRevenue estimate
Valuation estimate
Join leadership team
Management profileNumber of profiles
Profiles4 records
Join funding detail
Funding detailFunding overview
Funding rounds3 records
Investors8 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Join M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Join
What does Join do?
Join provides a cloud-based preconstruction and design phase management SaaS platform that aligns owners, design teams, and contractors around a unified system of record for cost, schedule, risk, and decision data. Built for collaborative delivery methods (Design-Build, CMAR, IPD, IFOA, TVD), it offers modules for stakeholder engagement, validation and programming benchmarking, design management, preconstruction intelligence, cost analysis, procurement, and transition to operations, with bi-directional integrations into estimating and project management tools such as Procore, Autodesk Construction Cloud, Sage, Trimble WinEst, and Beck DESTINI.
Is Join a public or private company?
Join is a private company. It is classified as venture growth investor backed and is currently operating.
When was Join founded?
Join was founded in 2017. It employs 11 to 50 people.
Where is Join based?
Join is headquartered in Oakland, United States, in the North America region.
How does Join make money?
One revenue line is on record: subscription SaaS.
Who are Join's main competitors?
Broad incumbents on record are Procore, Autodesk Construction Cloud, Trimble and Sage Estimating. Direct peers are Beck Technology (DESTINI Estimator), BuildingConnected (Autodesk) and Planera. Emerging players are ALICE Technologies, TestFit and Briq.
Does Join have an API?
Yes. Join exposes an API paired with a Model Context Protocol (MCP) server that allows customers and developers to connect Join to their AI application of choice, automate routine actions inside Join, leverage Join data for ad hoc analysis and reporting, and document and coordinate work that happens outside Join. The MCP server follows the open-source Model Context Protocol standard for connecting systems to AI applications. Developer documentation is at success.join.build/en/knowledge/mcp-server.
What industry is Join in?
Join's product category is Construction Preconstruction Software. Its primary akta.pro industry code is HDAHAFAJ, EDA Cloud/SaaS, Design Data Management & Collaboration. Its NAICS code is 5182 and its SIC code is 7372.