Silk's tech stack
What does Silk use?
Silk (silk.us) uses at least 42 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, HubSpot for sales and GitBook for customer support. Last checked .
- Industry
- Internet
- Size
- 51–200 employees
- Based in
- Needham Heights, United States
- Founded
- 2019
- Company page
- Tools found
- 42
- Categories
- 17
- Oldest proven tool
- Jul 2020
- Last checked
- Oct 2026
Silk'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
3 tools, where the bytes are served from
Application
8 tools, what the product is built with
Frontend
Backend & Database
Data & Observability
3 tools, what they measure and store
Go-to-market
18 tools, how they find and keep customers
Website & CMS
Marketing
Sales & CRM
Support & Docs
Company Ops
10 tools, what the team runs on day to day
Email Delivery
Dev Tools
Security & Compliance
What changed at Silk
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Silk also use
Tools common among companies with a similar stack that we haven't found at Silk.
Companies with a stack like Silk's
Ranked by shared tools, with rare tools counting more.
DiamantiSoftware · 51–200 people15in common
Upland SoftwareSoftware · 51–200 people14in common
Objectif LuneSoftware · 51–200 people15in common
SugarCRM Inc.Customer Relationship Management20in common
Upland SoftwareSoftware · 11–50 people14in common
AirStrip Technologies, IncHealthcare · 51–200 people16in common
KloudginSoftware · 51–200 people18in common
ComplyKEYSoftware · 51–200 people15in common
More Internet companies
Other Internet companies we've checked.
Silk tech stack FAQ
What tools does Silk use?
As of October 2026, runsonwhat has found 42 tools at Silk (silk.us) in public records. Edge & Hosting: Cloudflare, GoDaddy and WP Engine. Application: jQuery, Google Fonts and Vimeo. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 19, 2026.
What cloud does Silk run on?
Silk uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through WP Engine code on silk.us. WP Engine is used by 50,802 companies runsonwhat tracks.
What CRM does Silk use?
Silk uses HubSpot for its CRM, alongside Zoho, Salesforce and ZoomInfo, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and a DNS verification record, and Silk has used it since at least July 2020. HubSpot is used by 92,705 companies runsonwhat tracks.
What email provider does Silk use?
Silk uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on silk.us. Microsoft 365 is used by 705,087 companies runsonwhat tracks.
What does Silk use for customer support?
Silk uses GitBook for customer support and documentation, alongside Drift, according to runsonwhat (October 2026). runsonwhat found GitBook through a subdomain that points at GitBook, and Silk has used it since at least August 2026. GitBook is used by 1,993 companies runsonwhat tracks.
What analytics tools does Silk use?
Silk uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on silk.us. Google Analytics is used by 859,895 companies runsonwhat tracks.
How long has Silk used HubSpot?
Silk has used HubSpot since at least July 2020, going by the first public certificate of the silk.us subdomain that points at HubSpot. Other long-running tools at Silk include HubSpot CMS (since July 2020) and GitBook (since August 2026).
Does Silk use jQuery?
Yes. runsonwhat found jQuery at Silk through jQuery code on silk.us. jQuery is a Frontend tool used by 902,722 companies runsonwhat tracks.
Does Silk use AI tools?
Yes. runsonwhat has found Anthropic and OpenAI at Silk; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Silk may use more AI tools than these.
Which companies have a tech stack similar to Silk's?
The companies with the stacks most like Silk's are Diamanti, Upland Software, Objectif Lune and SugarCRM, according to runsonwhat (October 2026). Each shares 14 to 20 tools with Silk, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Silk uses?
runsonwhat reads public records only. Of the 42 tools at Silk, 24 were found through code on silk.us, 11 through DNS records, 4 through email records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and silk.us 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.