# What does Double use? Double (doublehq.com) shows public evidence of 41 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Finance and Accounting - Size: 51–200 employees - Based in: New York City, United States - Founded: 2020 - LinkedIn: https://www.linkedin.com/company/doublehq ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Subprocessor list, Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Kinsta](https://www.runsonwhat.com/reverse/kinsta) | Hosting & Cloud | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | Subprocessor list | | | [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | DNS verification records, Email records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Status.io](https://www.runsonwhat.com/reverse/statusio) | Monitoring | Custom domain | 2025-11 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Subprocessor list, Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Subprocessor list, Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Rank Math](https://www.runsonwhat.com/reverse/rankmath) | Website & CMS | Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2025-11 | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Email records | | | [Rewardful](https://www.runsonwhat.com/reverse/rewardful) | Marketing | Website code | | | [Vector](https://www.runsonwhat.com/reverse/vector) | Sales & CRM | Website code | | | [Canny](https://www.runsonwhat.com/reverse/canny) | Support & Docs | Website code | | | [PartnerPage](https://www.runsonwhat.com/reverse/partnerpage) | Sales & CRM | Custom domain | 2026-01 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [dmarcian](https://www.runsonwhat.com/reverse/dmarcian) | Security & Compliance | Email records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Osano](https://www.runsonwhat.com/reverse/osano) | Security & Compliance | Website code | | | [Rippling](https://www.runsonwhat.com/reverse/rippling) | People & HR | DNS verification records | | | [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain | 2025-11 | | [Ashby](https://www.runsonwhat.com/reverse/ashby) | People & HR | Website code | | ## Hiring at Double 5 open roles on its public job board: Customer Success 2, Engineering 2, Sales 1. ## FAQ ### What tools does Double use? As of October 2026, runsonwhat has found 41 tools at Double (doublehq.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Font Awesome and Stripe. Data & Observability: Google Analytics, Google Tag Manager and Status.io. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026. ### What cloud does Double run on? Double uses Amazon Web Services for hosting and cloud infrastructure, alongside Kinsta, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on doublehq.com's subprocessor list and code on doublehq.com. Amazon Web Services is used by 145,618 companies runsonwhat tracks. ### What CRM does Double use? Double uses HubSpot for its CRM, alongside Salesforce, ZoomInfo and Vector, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on doublehq.com. HubSpot is used by 93,873 companies runsonwhat tracks. ### What email provider does Double use? Double uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 710,125 companies runsonwhat tracks. ### What does Double use for customer support? Double uses Intercom for customer support and documentation, alongside Canny, according to runsonwhat (October 2026). runsonwhat found Intercom through email records that authorize Intercom. Intercom is used by 8,741 companies runsonwhat tracks. ### What payment provider does Double use? Double uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through Stripe on doublehq.com's subprocessor list. Stripe is used by 28,026 companies runsonwhat tracks. ### How long has Double used HubSpot CMS? Double has used HubSpot CMS since at least November 2025, going by the first public certificate of the doublehq.com subdomain that points at HubSpot CMS. Other long-running tools at Double include Status.io (since November 2025), Vanta (since November 2025) and PartnerPage (since January 2026). ### Does Double use jQuery? Yes. runsonwhat found jQuery at Double through jQuery code on doublehq.com. jQuery is a Frontend tool used by 914,767 companies runsonwhat tracks. ### Is Double hiring? Yes. As of October 2026, Double has 5 open roles on its public Ashby job board, most in customer success (2), engineering (2) and sales (1). 2 were posted in the last 30 days. ### Which companies have a tech stack similar to Double's? The companies with the stacks most like Double's are Freshpaint, ShipBob, Deel and Prolific, according to runsonwhat (October 2026). Each shares 14 to 22 tools with Double, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Double uses? runsonwhat reads public records only. Of the 41 tools at Double, 15 were found through code on doublehq.com, 9 through DNS records, 9 through email records, 4 through its own subprocessor list and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and doublehq.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/doublehq.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.