runsonwhat

CircleBlack's tech stack

What does CircleBlack use?

CircleBlack (circleblack.com) uses at least 32 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Salesforce for sales and Zendesk for customer support. Last checked .

Industry
Financial Services
Size
11–50 employees
Based in
Boston, United States
Founded
2013
LinkedIn
Company page
Tools found
32
Categories
16
Oldest proven tool
Aug 2024
Last checked
Oct 2026

CircleBlack'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

6 tools, where the bytes are served from

Application

4 tools, what the product is built with

Data & Observability

3 tools, what they measure and store

Company Ops

8 tools, what the team runs on day to day

What changed at CircleBlack

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Secureframe

CircleBlack tech stack FAQ

What tools does CircleBlack use?

As of November 2026, runsonwhat has found 32 tools at CircleBlack (circleblack.com) in public records. Edge & Hosting: Cloudflare, GoDaddy and Amazon Web Services. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 31, 2026.

What cloud does CircleBlack run on?

CircleBlack uses Amazon Web Services for hosting and cloud infrastructure, alongside Pantheon, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on circleblack.com. Amazon Web Services is used by 146,765 companies runsonwhat tracks.

What CRM does CircleBlack use?

CircleBlack uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce. Salesforce is used by 34,543 companies runsonwhat tracks.

What email provider does CircleBlack use?

CircleBlack uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 719,653 companies runsonwhat tracks.

What does CircleBlack use for customer support?

CircleBlack uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,888 companies runsonwhat tracks.

What analytics tools does CircleBlack use?

CircleBlack uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on circleblack.com. Google Analytics is used by 906,239 companies runsonwhat tracks.

How long has CircleBlack used Secureframe?

CircleBlack has used Secureframe since at least August 2024, going by the first public certificate of the circleblack.com subdomain that points at Secureframe.

Does CircleBlack use jQuery?

Yes. runsonwhat found jQuery at CircleBlack through jQuery code on circleblack.com. jQuery is a Frontend tool used by 930,072 companies runsonwhat tracks.

Which companies have a tech stack similar to CircleBlack's?

The companies with the stacks most like CircleBlack's are Modopayments, Butterfly.ai (an Engagedly Company), Eolas Medical and YardView, according to runsonwhat (November 2026). Each shares 9 to 13 tools with CircleBlack, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what CircleBlack uses?

runsonwhat reads public records only. Of the 32 tools at CircleBlack, 19 were found through code on circleblack.com, 6 through DNS records, 5 through email 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 circleblack.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.