Absence Index, release 2026-09
Construction project management software, measured across five AI engines
General contractors and specialty subcontractors ask ChatGPT, Claude, Perplexity, Google AI Overviews and Google AI Mode which construction project management platforms to shortlist before they talk to sales. The engines answer from public material, and the named set shapes the first list a buyer sees. This page records who the engines named in the September 2026 Absence Index, the buyer questions, where the five engines disagree, the sources they cited and the rename facts that confuse retrieval.
Construction project management software, observed 22 September 2026 (UTC)
Observed answers on stated dates, not a ranking. Every checked vendor on the Index
Who the engines named
Procore was named in 109 of 150 observed answers across ChatGPT, Claude, Perplexity, Google AI Overviews and Google AI Mode, more often than any of the other 21 vendors the Index checked in this category. Procore on the Index.
4 of the 22 checked vendors were named in none of the 150 observed answers:
0 of the 10 buyer questions returned no checked vendor in any observed answer. This counts checked vendors only; an engine may still have named a vendor outside the checked set.
Also named often: Buildertrend and Contractor Foreman. Every checked vendor's count and base is on the Index category page.
Answers were observed on 22 September 2026 (UTC) and released on 23 September 2026. These are observed answers on stated dates, not a ranking. Control questions were also run for this category; they sit outside the scored base and do not enter any figure on this page.
What buyers ask
The ten buyer questions, in the buyers' own words, exactly as each engine was asked them.
Shortlist
best construction management software for a small residential builder
best construction project management software for a mid sized general contractor
best construction management software for subcontractors
Alternatives
what are the best alternatives to Procore
what are the best alternatives to Buildertrend
what are the best alternatives to Autodesk Construction Cloud
Buyer evaluation
Procore vs Buildertrend, which is better for a small GC
Kahua vs e-Builder for an owner running capital projects
what should I look for when choosing construction project management software
Specific workflow
best construction software for a small GC that needs estimating and scheduling without Procore complexity
Where the five engines disagree
The engines split. ChatGPT, Perplexity, Google AI Overviews and Google AI Mode named Procore most often; Claude named Buildertrend and Procore most often, level with each other. The per-engine counts are on the Index category page.
| Engine | Named most often |
|---|---|
| ChatGPT | Procore |
| Claude | Buildertrend and Procore, level |
| Perplexity | Procore |
| Google AI Overviews | Procore |
| Google AI Mode | Procore |
The sources the engines cited
The domains the engines cited most often in this category's observed answers, in the order the Index records them. Each domain's count and base is on the Index category page.
- fieldwire.com
- buildertrend.com
- capterra.com
- procore.com
- contractorforeman.com
- reddit.com
- kahua.com
- projectmanager.com
- thedigitalprojectmanager.com
- projul.com
Renames and ownership changes in construction project management
When a construction project management vendor is acquired, taken private or rebranded, directories, review sites and trade press often keep the old string for months. ChatGPT, Claude, Perplexity, Google AI Overviews and Google AI Mode, which most buyers call Gemini, retrieve that stale material. A retired product brand without a former-name bridge can still appear in answers, while the living brand is missing from the same shortlist.
| Old name | New name | Date | Owner or sponsor | Product brand | Source |
|---|---|---|---|---|---|
| Raken (independent) | Raken, a Sverica Capital portfolio company | 2025-09 | Sverica Capital | kept | Source, Raken (independent) Read 2026-09-22 |
| Datagrid (standalone) | Datagrid, part of Procore | 2026-01 | Procore Technologies | Datagrid offering kept available | Source, Datagrid (standalone) Read 2026-09-22 |
| Foundation Software | Foundation Software (acquisition by Thoma Bravo completed) | 2020-08-31 | Thoma Bravo | kept | Source, Foundation Software Read 2026-09-24 |
| Buildertrend | Buildertrend (Bain Capital Tech Opportunities and HGGC) | 2020 (ownership ongoing) | Bain Capital Tech Opportunities and HGGC | kept | Source, Buildertrend Read 2026-09-22 |
What changes the answer
Entity and structured data
Publish Organization and SoftwareApplication markup that states the current legal name, product name, former names and sameAs links to the profiles engines already cite. When a rename or acquisition happened, add a formerly-known-as bridge so the engines can connect the old string to the living brand.
Answer pages
Write pages that answer the buyer questions above in buyer language, with no brand name planted in the question wording itself. Publish them on the vendor domain the engines already try to cite.
Source placement
Place accurate product and ownership facts on the directories, review sites, trade press and forums the engines cite in this category, listed above.
Crawler access and review presence
Confirm robots rules, rendering and any bot filter still let AI crawlers reach the answer and entity pages, and keep listings current on the review sites for this category so the engines retrieve one consistent name, domain and category label.
Start with a measured baseline
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Questions
Which construction project management software vendors did AI engines name most often in the September 2026 Absence Index?
Procore was named in 109 of 150 observed answers across ChatGPT, Claude, Perplexity, Google AI Overviews and Google AI Mode. The next most named were Buildertrend and Contractor Foreman. These are observed answers on stated dates, not a ranking; every checked vendor's count and base is on the Index category page.
Why does a rename change what AI engines say?
Engines retrieve public material that still carries retired product names, old legal entities and pre-acquisition domains. When those strings are not bridged to the current brand, the answer can name a name the company no longer uses, or skip the living brand entirely.
What should a construction project management software vendor measure first?
Start with the ten buyer questions on this page. Record, for each question and each of the five engines, whether the brand was named and whether the brand domain was cited. Keep the wording frozen between runs so the comparison stays valid.
How is Broadcastwell related to the vendors in this category?
Broadcastwell measures AI search visibility for B2B software and publishes the Absence Index. It does not sell construction project management software, and no vendor commissioned this category's measurement.
Industries in the Absence Index
- Dealership management
- Field service
- Radiology and imaging
- Dental practice
- Veterinary practice
- Legal practice
- Construction
- Residential property
- Insurance agency
- Loan origination
- Transportation
- Hotel property
Cite as: Broadcastwell, The Absence Index, release 2026-09, 23 September 2026, method v1.1. DOI 10.5281/zenodo.22907695. This category in release 2026-09 on the Index. Data license CC BY 4.0. Every figure comes from the published method, v1.1.