Research you can inspect.
Tools you can use.
Explore source-backed observations, compare tools, and investigate the questions behind vendor changes.
Worked examples and practical guides
A sourced directory of reported AX use, with publication and review dates kept separate from adoption dates.
OpenAI and Anthropic: company-by-company evidence matrixInspect the actual source, scope, delivery channel and observation date behind each provider relationship.
Intercom subprocessor changes: a reproducible two-version comparisonThe default US service list grew from 11 normalized suppliers to 14 between the versions effective April 9, 2025 and June 25, 2026.
How much does a public customer list prove? A reproducible evidence auditAudit a fixed VendorCensus export for source types, missing dates and scope before turning observations into customer claims.
Customer and ATS evidence
Applicant tracking system: a guide and observed market map
What is ATS software? Explore applicant tracking systems through public job-board evidence, search companies, and compare observed adoption.
ATS systems list, ranked by observed adoption
A sortable list of applicant tracking systems with observed company counts, industry mix, dated job-board sources, and coverage limits.
ServiceNow customers list: companies with public evidence
Explore companies using ServiceNow with dated sources, business scope, industry and company-size filters. Counts reflect our covered sources.
AWS customers list: companies with public evidence
Who uses AWS? Search observed companies with source links, observation dates, disclosed scope, and industry filters.
OpenAI vs Anthropic: buyer facts and adoption evidence
Compare commercial API data controls and buyer checks, with a dated three-company evidence appendix. Inspect sources, co-disclosures and migration limits.
Competitive intelligence
Competitive intelligence software
Compare competitive intelligence tools by the question they answer, their data sources, and their access model. Check observed adoption separately from product descriptions.
Competitive intelligence
Competitive intelligence is the collection and interpretation of information about competitors to support business decisions. Explore source-backed vendor observations and reviewed disclosure changes.
How to gather competitive intelligence
Choose a public source, inspect a worked example, and understand what the evidence can—and cannot—support before turning it into a competitive claim.
Competitive intelligence analysis
Turn public evidence into a clear research brief. Select a vendor to prefill an analysis canvas, add your interpretation, and download your work.
Competitive intelligence analyst
Explore current public listings for competitive and market intelligence roles, then examine the research, analysis, and communication skills the work requires.
Competitive intelligence dashboard: inspect a real sample
Explore fixed ATS, AI, and CRM competitor sets. Filter the evidence, compare company overlap, and inspect source coverage in a working dashboard.
Pharma competitive intelligence: tools, services, and evidence
Explore pharmaceutical intelligence providers and inspect documented enterprise software and research-access relationships at pharma companies.
Company data
What is data enrichment?
Data enrichment adds useful fields to an existing record. Try enriching a company domain with the vendors, dates, and public sources in VendorCensus’s reviewed dataset.
Firmographic data
Firmographic information describes a company: its industry, location, size, and other business characteristics. Build a sourced company profile and compare it with technographic information.
Technographic data API
Try the public VendorCensus research API for company technographics, observed vendor customers, and reviewed disclosure events. Responses include coverage dates and source limits.
Tech stack lookup: a BuiltWith alternative for public evidence
Look up a company’s observed vendors with dates and source links. Compare this disclosure-and-job-board approach with website technology detection tools.
Subprocessor lists, tracked
A subprocessor is another processor engaged to process personal data on behalf of a processor. Search reviewed disclosures and inspect changes between comparable published versions.
Accounting firm tech stack: explore real examples
Explore source-backed accounting stacks across books, tax preparation, practice management, documents, and client communications.
Technographic segmentation: build a sourced company segment
Combine observed providers, industry, and source-reported company size. Inspect matching evidence and export a reusable segment definition.
Startup tech stack: sourced examples and selection questions
Explore a small-company stack example and a historical growth comparison, with explicit employee-size sources and practical questions for each layer.
Microsoft Dynamics AX customers list: historical use and migrations
Explore sourced Dynamics AX deployments and reported migrations. Filter company evidence while keeping historical use separate from current customer claims.
Microsoft Dynamics 365 customers list: CRM and ERP evidence
Explore sourced Microsoft Dynamics 365 company relationships. Separate Sales and Customer Service from Finance and Supply Chain Management.
Datanyze review and alternatives: compare by research task
Review Datanyze pricing and compare alternatives for contact research, website technologies, and sourced vendor evidence, with official references.
Market intelligence
Market intelligence
Market intelligence combines evidence about companies, suppliers, customers, and market conditions. Explore our observed software categories and the historical coverage behind movement claims.
Market intelligence tools: compare and build a shortlist
Compare market intelligence tools by research task, data source and access. Build a four-tool shortlist, record demo evidence, and download your comparison brief.
Supplier and procurement market intelligence
Turn reviewed software disclosure changes into procurement questions. Inspect source versions, define the service scope, and prepare a supplier review brief.
Vendor consolidation: estimate savings and transition costs
Model your own vendor consolidation scenario with removable spend, replacement costs, migration costs, and parallel-running time. Export the assumptions.
Recruiting
Find the best recruiting software for your workflow
Explore the recruiting stack by function, from applicant tracking to scheduling and assessment. Start with observed evidence, then identify the capabilities your team needs.
Free applicant tracking systems
Compare free ATS plans and downloadable recruiting software. Check the limits, hosting responsibilities, and what public adoption evidence can actually establish.
HRIS vs HCM vs HRMS: find the scope you need
Compare HRIS, HRMS, HCM, and ERP, then answer five questions to build an HR software requirements brief.
Greenhouse applicant tracking system: profile and customer evidence
Inspect observed Greenhouse customers, compare ATS alternatives, and try a read-only public Job Board API explorer.
ATS evaluation scorecard: questions, requirements, and weighted scores
Choose applicant tracking system requirements, weight them, score vendor demonstrations, and download a spreadsheet-compatible evaluation scorecard.
Sales intelligence
Sales intelligence tools
Compare B2B sales intelligence platforms by data type, workflow, and access model. See where our public sources contain adoption evidence and where coverage is absent.
Real-time buying signals: inspect the evidence
Explore reviewed vendor-disclosure changes and their source intervals. A change can guide a discovery question; it does not establish buying intent or a purchase date.
Sales tech stack
Explore the GTM stack across CRM, engagement, enrichment, account intelligence, marketing, and customer success. Compare three partial company stacks backed by published sources.
Enterprise AI
Enterprise AI adoption trends 2026
Inspect observed AI provider disclosures by industry and company size. Distinguish the current coverage snapshot from a historical adoption curve.
Enterprise AI tech stack
Explore model providers, data infrastructure, evaluation, orchestration, and governance. See the providers named in covered disclosures and the layers those sources leave unknown.
AI market share: observed enterprise provider coverage
Compare the share of covered companies naming each AI model provider. Filter the sample, inspect the source evidence, and embed the dated chart.
Customer evidence
Companies using QuickBooks: a sourced customer list
Search published QuickBooks customer evidence, with company names, review dates, product scope, and source links.
Who uses CRM? Companies and source-backed vendor evidence
Explore companies using CRM systems, filter customer evidence, and compare observed coverage across Salesforce, HubSpot, Dynamics, Zoho, and Pipedrive.
Vendor comparisons
ServiceNow vs Salesforce: compare observed company evidence
Compare ServiceNow and Salesforce source-backed company counts, industry mix, and overlap. Inspect deployment scope before inferring competition.
Salesforce vs HubSpot: observed CRM customer evidence
Compare Salesforce and HubSpot customer observations by industry, company overlap, and source type, with explicit limits on historical movement.
Anthropic vs ChatGPT: separate products from provider evidence
Clarify Anthropic, Claude, OpenAI, and ChatGPT, then inspect provider disclosures without mistaking API relationships for assistant subscriptions.
SAP vs Salesforce: compare observed enterprise relationships
Compare company evidence for SAP and Salesforce, keeping ERP, analytics, and CRM scopes separate from claims about replacement or switching.
Zoho vs Salesforce: customer evidence and reported switching
Compare covered Zoho CRM and Salesforce companies by industry, inspect customer sources, and distinguish a reported transition from recent net movement.
Salesforce vs Pipedrive: compare sourced CRM relationships
Inspect Salesforce and Pipedrive company evidence, filter by industry, and compare covered counts without inventing switching or market-share history.
Developer tools
Company technology histories
Adoption benchmarks
Research notes
Adoption is not the same as displacement.
A new vendor appears in a company’s public footprint. What has actually changed?
4 min readTwo dates. One more honest dataset.
Why event time and observation time should travel together in vendor-change research.
4 min readThe signal inside a subprocessor list.
A public vendor disclosure can reveal a relationship that a website technology scan will never see.
4 min readReading an ATS change without overcalling it.
Career sites provide an observable window into recruiting infrastructure. The company behind the page still needs careful attention.
3 min read