WillItSurvive
Vertical and industry software · United States

Siteline

siteline.com ↗

Software that helps subcontractors bill general contractors and track pay applications.

Losing its protection
Assessed 23 July 2026 · Evidence as of 23 July 2026
The structural protection is eroding.
On the recordSince 23 July 2026 · Checkable from next 6-12 months · Every call on the record Checkpoint: Siteline funding event or acquisition, or Procore/Sage shipping a subcontractor-first billing product
The call

Siteline built real billing habits among subcontractors, but four years without new funding and shrinking headcount leave it exposed just as Procore and AI document tools close in.

Siteline helps subcontractors send bills to the general contractors they work for, a real job that construction companies need done. Big competitors like Procore (which bought a similar tool called Levelset) are moving into this space, and new artificial intelligence tools can now fill out forms and write billing documents automatically, which could replace what Siteline does. The company has not raised new money in over four years, is smaller than ever, and brings in far less revenue than the money it raised suggests it should, so the next 6 to 12 months will show whether Siteline finds a buyer, raises more cash, or runs out of resources to compete.

Why
01
AI pressure: Generative AI document automation (LLM-based pay-app and lien-waiver drafting tools). AI could auto-fill pay apps and lien waivers directly from job data, cutting out the reason subs need a separate billing layer. Could AI do the core job? Only partly.
02
Bigger players: Procore (via Levelset and Procore Pay), with Sage and Trimble building adjacent payment tools. Procore already owns the GC relationship and lien-waiver data through Levelset, and is adding payment features that could absorb Siteline's job. Could a giant copy it? Yes, easily.
03
What protects it. Deep integrations with dozens of GC billing portals and workflow habits subs already run their invoicing through.
What would change this call
Procore or Sage/Trimble announce a subcontractor-first billing SKU within 12 months. Would show incumbents closing the niche gap Siteline relies on for its moat.
Siteline announces a Series B or a down-round/M&A event in next 6-12 months. Would clarify whether Siteline can fund growth or is running out of capital.
Siteline ships an AI pay-app copilot or automated lien-waiver tool. Would show Siteline countering generative-AI document automation threats.
Key numbers
  • $18.4M total raised, last round Feb 2022 (2022-02)
  • Est. revenue ~$2.3M vs $18.4M raised (n.d.)
  • Headcount down 15% YoY, web traffic down 29% QoQ (2026-06)
Named risks
  • Core form-filling and document generation workflows are directly automatable by generalist LLM tools. Severity: high
  • Incumbents Procore, Sage, and Trimble could bundle subcontractor-first billing into existing platforms. Severity: high
  • No publicly reported funding round since the February 2022 Series A raises runway uncertainty. Severity: medium
  • No independently verified revenue figures or large enterprise customer logos beyond vendor case studies. Severity: medium
  • Headcount reporting is inconsistent across sources, obscuring whether the team is growing or shrinking. Severity: low
Rivals, as read in July 2026
RivalDirectionEvidence
Procore Technologieslosing toOwns Levelset and ships Procore Pay, giving bundling/distribution edge as of 2026
Sage (Sage Intacct)contestingSiteline integrating deeper with Sage Intacct's AI-powered ERP as of May 2026
Trimble (Trimble Pay)contestingTrimble Pay, formerly Flashtract, offers adjacent construction payment tooling
GCPaycontestingGCPay rated 4.6-4.7 on G2/Capterra with ERP integrations, per June 2026 roundup
KnowifycontestingPitchBook lists Knowify as a direct Siteline competitor in subcontractor billing
Questions people ask
Is Siteline profitable in 2026?
No public profitability data exists for Siteline as of 2026. The company has not reported a new funding round since its $15M Series A closed in February 2022 (total raised $18.4M), and it still describes itself in job postings as a Series A startup as of April 2026, suggesting it has not scaled to obvious profitability.
Who owns Siteline?
Siteline is privately held and venture-backed, not owned by a larger parent company. Its Series A round of $15M closed in February 2022, led by Menlo Ventures with Tyler Sosin joining the board, bringing total disclosed funding to $18.4M as of that date.
Could AI replace Siteline's software?
Much of Siteline's core value, form-filling, math-checking pay applications, and drafting lien waivers, is squarely the kind of document automation LLMs are increasingly capable of handling. Siteline's defense is its library of 2,100+ custom GC-specific forms and existing ERP integrations, but as of mid-2026 it had not shipped a named generative-AI product.
Who is Siteline's biggest competitor?
Procore Technologies is the most significant incumbent threat: it owns Levelset and ships its own Procore Pay module, giving it distribution and bundling advantages Siteline lacks. Sage (Sage Intacct) and Trimble (Trimble Pay, formerly Flashtract) are also adjacent incumbents with payment tools as of 2026.
What does Siteline actually do?
Siteline sells subscription SaaS billing software built specifically for commercial subcontractors, covering AIA-style pay application generation, lien waiver management, compliance tracking, and collections. It integrates with construction ERPs like Foundation Software, Viewpoint Vista, and Sage Intacct, per its July 2026 blog content.
Has Siteline raised money recently?
No. Siteline's most recent disclosed funding was a $15M Series A led by Menlo Ventures in February 2022, bringing total funding to $18.4M. As of April 2026, its own job listings still describe it as a Series A company, with no newer round publicly reported since.
Timeline
  • 2026-07-05Siteline blog lists ERP integrations including Foundation Software, Viewpoint Vista, Sage Intacct
  • 2026-05-11Third-party review notes Siteline investing in deeper integration with AI-powered Sage Intacct
  • 2026-04-10Job posting describes Siteline as Series A startup with 34 full-time employees
  • 2025-08Siteline published State of Subcontractor Billing 2025 report citing 147% rise in overhead withdrawals since 2019
  • 2023-10-17Siteline publishes dedicated construction payment application software feature page
  • 2022-02-24Siteline announces $15M Series A led by Menlo Ventures, total funding $18.4M
  • 2019-01Siteline closes seed round led by South Park Commons
  • 2019Siteline founded in San Francisco as subcontractor billing software company
Revision history
23 July 2026
First assessed. Losing its protection. The text above is fixed as of this date and is not edited afterwards.
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