Constructor's tech stack
What does Constructor use?
Constructor (constructor.io) uses at least 33 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot for sales, Zendesk for customer support and Google Analytics for analytics. Last checked .
- Industry
- Software
- Size
- 201–1,000 employees
- Based in
- San Francisco, United States
- Founded
- 2015
- Company page
- Tools found
- 33
- Categories
- 14
- Oldest proven tool
- Jul 2019
- Last checked
- Oct 2026
Constructor'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
2 tools, where the bytes are served from
CDN & Edge
Application
4 tools, what the product is built with
Data & Observability
4 tools, what they measure and store
Go-to-market
11 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
12 tools, what the team runs on day to day
Email Delivery
Security & Compliance
What changed at Constructor
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Constructor tech stack FAQ
What tools does Constructor use?
We've found 33 tools at Constructor (constructor.io). Edge & Hosting: Cloudflare and Amazon Route 53. Application: Font Awesome, Adobe Fonts and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Mailchimp and HubSpot. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 7, 2026.
What CRM does Constructor use?
Constructor uses HubSpot, 6sense and Qualified for sales and CRM. We found HubSpot through custom domain, email records and DNS verification records since July 2019.
What email provider does Constructor use?
Constructor uses Microsoft 365, Google Workspace and Apple Business for email and documents, among 4 tools in this category. We found Microsoft 365 through DNS verification records.
What does Constructor use for customer support?
Constructor uses Zendesk and Plain for customer support. We found Zendesk through email records.
What analytics tools does Constructor use?
Constructor uses Google Analytics, Google Tag Manager and Hotjar for analytics, among 4 tools in this category. We found Google Analytics through website code.
What CMS does Constructor use?
Constructor uses HubSpot CMS for its website. We found HubSpot CMS through custom domain since July 2019.
Does Constructor use Microsoft 365?
Yes. We found Microsoft 365 at Constructor through DNS verification records. Microsoft 365 is used by 685,102 companies we track.
How does runsonwhat know what Constructor uses?
We read public traces only: Constructor's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.