Blue J's tech stack
What does Blue J use?
Blue J (bluej.com) uses at least 33 tools we can see from public records, including Google Workspace for email and documents, HubSpot for sales, Zendesk for customer support and Google Analytics for analytics. Last checked .
“Blue J delivers defensible tax research answers in seconds, complete with verifiable sources. AI-powered tax research tool trusted by over 6,000 firms.”
- Industry
- Software
- Size
- 51–200 employees
- Based in
- New York, United States
- Founded
- 2015
- Company page
- Tools found
- 33
- Categories
- 16
- Layers
- 5 of 5
- Last checked
- Oct 2026
Blue J's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Application
5 tools, what the product is built with
Data & Observability
6 tools, what they measure and store
Monitoring
Flags & Experiments
Go-to-market
15 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Support & Docs
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Security & Compliance
Companies like Blue J also use
Tools common among companies with a similar stack that we haven't found at Blue J.
Companies with a stack like Blue J's
Ranked by shared tools, with rare tools counting more.
ReplicantSoftware · 51–200 people23in common
CloudBoltSoftware · 51–200 people17in common
Unite UsSoftware · 201–1,000 people16in common
Aldon Inc.Software12in common
Bonterra LLCSoftware · 1,001–5,000 people17in common
ScalefocusSoftware · 201–1,000 people17in common
RELEX SolutionsSoftware · 1,001–5,000 people16in common
Punch!Marketing and Advertising · 51–200 people16in common
More Software companies
Other Software companies we've checked.
Blue J tech stack FAQ
What tools does Blue J use?
As of October 2026, runsonwhat has found 33 tools at Blue J (bluej.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, reCAPTCHA and Mailchimp Transactional. Last checked October 20, 2026.
What CRM does Blue J use?
Blue J uses HubSpot for its CRM, alongside Apollo.io, Demandbase and Salesloft, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on bluej.com. HubSpot is used by 94,312 companies runsonwhat tracks.
What email provider does Blue J use?
Blue J uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on bluej.com. Google Workspace is used by 403,677 companies runsonwhat tracks.
What does Blue J use for customer support?
Blue J uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk. Zendesk is used by 42,028 companies runsonwhat tracks.
What analytics tools does Blue J use?
Blue J uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on bluej.com. Google Analytics is used by 884,315 companies runsonwhat tracks.
What is Blue J's website built with?
Blue J uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and a DNS verification record. Webflow is used by 34,995 companies runsonwhat tracks.
Does Blue J use jQuery?
Yes. runsonwhat found jQuery at Blue J through jQuery code on bluej.com. jQuery is a Frontend tool used by 918,230 companies runsonwhat tracks.
Does Blue J use AI tools?
Yes. runsonwhat has found Anthropic at Blue J; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Blue J may use more AI tools than these.
Which companies have a tech stack similar to Blue J's?
The companies with the stacks most like Blue J's are Replicant, CloudBolt, Unite Us and Aldon, according to runsonwhat (October 2026). Each shares 12 to 23 tools with Blue J, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Blue J uses?
runsonwhat reads public records only. Of the 33 tools at Blue J, 22 were found through code on bluej.com, 5 through email records, 4 through DNS records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and bluej.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.