Tesaro's tech stack
What does Tesaro use?
Tesaro (tesarobio.com) uses at least 8 tools we can see from public records, including Microsoft 365 for email and documents, Salesforce for sales, Akamai for content delivery and Proofpoint for security. Last checked .
- Industry
- Pharmaceuticals
- Size
- 201–1,000 employees
- Based in
- Waltham, United States
- Founded
- 2010
- Company page
- Tools found
- 8
- Categories
- 6
- Layers
- 3 of 5
- Last checked
- Oct 2026
Tesaro'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
Go-to-market
1 tool, how they find and keep customers
Sales & CRM
Company Ops
6 tools, what the team runs on day to day
Workspace
Collaboration
Dev Tools
Security & Compliance
Companies like Tesaro also use
Tools common among companies with a similar stack that we haven't found at Tesaro.
Companies with a stack like Tesaro's
Ranked by shared tools, with rare tools counting more.
Vital Infrastructure Property TrustReal Estate · 201–1,000 people2in common
Hazlewoods: Business Advisers and AccountantsAccounting · 201–1,000 people3in common
Tooling Systems GroupMechanical or Industrial Engineering · 201–1,000 people2in common
MacGregor (Germany)Engineering · 201–1,000 people2in common
Coleman Health ServicesMental Health Care · 201–1,000 people2in common
Sequoia Financial GroupFinancial Services · 201–1,000 people3in common
MH SUB I, LLC DBA CARSDIRECT.COMAutomotive · 201–1,000 people3in common
Rindal KommuneGovernment Administration · 201–1,000 people2in common
More Pharmaceuticals companies
Other Pharmaceuticals companies we've checked.
Tesaro tech stack FAQ
What tools does Tesaro use?
As of November 2026, runsonwhat has found 8 tools at Tesaro (tesarobio.com) in public records. Edge & Hosting: Akamai. Go-to-market: Salesforce. Company Ops: Microsoft 365, Proofpoint and Mimecast. Last checked October 25, 2026.
What CRM does Tesaro use?
Tesaro uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce. Salesforce is used by 34,515 companies runsonwhat tracks.
What email provider does Tesaro use?
Tesaro uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 719,439 companies runsonwhat tracks.
Does Tesaro use Proofpoint?
Yes. runsonwhat found Proofpoint at Tesaro through email records that authorize Proofpoint. Proofpoint is a Security & Compliance tool used by 49,885 companies runsonwhat tracks.
Which companies have a tech stack similar to Tesaro's?
The companies with the stacks most like Tesaro's are Vital Infrastructure Property Trust, Hazlewoods: Business Advisers and Accountants, Tooling Systems Group and MacGregor (Germany), according to runsonwhat (November 2026). Each shares 2 to 3 tools with Tesaro, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Tesaro uses?
runsonwhat reads public records only. Of the 8 tools at Tesaro, 4 were found through DNS records, 3 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and tesarobio.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.