Insights

Strong Revenue Castle Biosciences is generating approximately 100 million to 250 million in annual revenue with a recent quarterly revenue of about 99.9 million, signaling solid market demand for its proprietary diagnostic tests and potential for upsell of expanded testing panels or related services.

Growth Initiatives Active pipeline and product expansion across dermatologic cancers, Barrett’s esophagus, and uveal melanoma, plus partnerships and collaborations (such as the SciBase AB study) indicate opportunities to cross-sell existing tests and co-developed solutions to adjacent oncology and dermatology markets.

Clinical Leadership Proprietary gene expression profile tests like DecisionDx and TissueCypher position Castle as a leader in precision oncology diagnostics, creating sales openings with oncology centers, dermatology clinics, and academic medical centers seeking validated risk stratification and treatment guidance tools.

Strategic Events Ongoing investor and industry presence at major conferences and awards (growth conferences, MedTech Breakthrough) provides入口 points for outreach, customer profiling, and demos to key decision-makers evaluating innovative diagnostic capabilities.

Scale & Reach Multiple laboratory operations (Phoenix and Pittsburgh) and a sizable employee base (501-1000) support scalable service delivery and potential geographic expansion around high-need regions, enabling sales teams to target new health systems and networks seeking expanded diagnostic GEP testing.

Similar companies to Castle Biosciences, Inc.

Castle Biosciences, Inc. Tech Stack

Castle Biosciences, Inc. uses 8 technology products and services including The Trade Desk, Docker, Cloudflare CDN, and more. Explore Castle Biosciences, Inc.'s tech stack below.

  • The Trade Desk
    Advertising
  • Docker
    Containerization
  • Cloudflare CDN
    Content Delivery Network
  • Cloudflare
    Content Management System
  • CompTIA Network+
    IT
  • DocuSign
    Miscellaneous
  • Microsoft Azure
    Platform As A Service
  • BrightEdge
    Search Engines

Media & News

Castle Biosciences, Inc.'s Email Address Formats

Castle Biosciences, Inc. uses at least 1 format(s):
Castle Biosciences, Inc. Email FormatsExamplePercentage
FLast@castlebiosciences.comJDoe@castlebiosciences.com
93%
Last@castlebiosciences.comDoe@castlebiosciences.com
6%
First@castlebiosciences.comJohn@castlebiosciences.com
1%

Frequently Asked Questions

What is Castle Biosciences, Inc.'s phone number?

Minus sign iconPlus sign icon
You can contact Castle Biosciences, Inc.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Castle Biosciences, Inc.'s stock symbol?

Minus sign iconPlus sign icon
Castle Biosciences, Inc. is a publicly traded company; the company's stock symbol is CSTL.

What is Castle Biosciences, Inc.'s official website and social media links?

Minus sign iconPlus sign icon
Castle Biosciences, Inc.'s official website is castlebiosciences.com and has social profiles on LinkedInCrunchbase.

How much revenue does Castle Biosciences, Inc. generate?

Minus sign iconPlus sign icon
As of July 2026, Castle Biosciences, Inc.'s annual revenue is estimated to be $100M - $250M.

What is Castle Biosciences, Inc.'s SIC code NAICS code?

Minus sign iconPlus sign icon
Castle Biosciences, Inc.'s SIC code is 8731 - Commercial Physical and Biological Research NAICS code is 541714 - Research and Development in Biotechnology (except Nanobiotechnology).

How many employees does Castle Biosciences, Inc. have currently?

Minus sign iconPlus sign icon
As of July 2026, Castle Biosciences, Inc. has approximately 744 employees across 3 continents, including North AmericaEuropeAfrica. Key team members include Vice President Of Accounting: D. W.Vice President Of Cloud Services: K. S.Vice President, Information Technology: C. O.. Explore Castle Biosciences, Inc.'s employee directory with LeadIQ.

What industry does Castle Biosciences, Inc. belong to?

Minus sign iconPlus sign icon
Castle Biosciences, Inc. operates in the Biotechnology Research industry.

What technology does Castle Biosciences, Inc. use?

Minus sign iconPlus sign icon
Castle Biosciences, Inc.'s tech stack includes The Trade DeskDockerCloudflare CDNCloudflareCompTIA Network+DocuSignMicrosoft AzureBrightEdge.

What is Castle Biosciences, Inc.'s email format?

Minus sign iconPlus sign icon
Castle Biosciences, Inc.'s email format typically follows the pattern of FLast@castlebiosciences.com. Find more Castle Biosciences, Inc. email formats with LeadIQ.

How much funding has Castle Biosciences, Inc. raised to date?

Minus sign iconPlus sign icon
As of July 2026, Castle Biosciences, Inc. has raised $429M in funding. The last funding round occurred on Dec 15, 2020 for $267M.

When was Castle Biosciences, Inc. founded?

Minus sign iconPlus sign icon
Castle Biosciences, Inc. was founded in 2008.
Castle Biosciences, Inc. logo

Castle Biosciences, Inc.

Biotechnology ResearchTexas, United States501-1000 Employees

Castle Biosciences, Inc. is a biotechnology research company that specializes in diagnostic tests intended to guide patient care. It is based in Friendswood, Texas, with laboratory operations in Phoenix, Arizona and Pittsburgh, Pennsylvania, and it serves clinicians and patients seeking data to inform cancer treatment decisions. The company’s portfolio includes tests for dermatologic cancers, Barrett’s esophagus, and uveal melanoma, each designed to address specific clinical questions along the care continuum.

These tests leverage tumor biology to provide objective risk assessments, such as the likelihood of metastasis, recurrence, or progression, to support treatment planning. Recent developments include the opening of a new corporate headquarters in Friendswood, signaling an expanded footprint for its diagnostic operations.

Section iconCompany Overview

Phone number
SIC Code
8731 - Commercial Physical and Biological Research
Stock Symbol
CSTL
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2008
Employees
501-1000

Section iconFunding & Financials

  • $429M

    Castle Biosciences, Inc. has raised a total of $429M of funding over 17 rounds. Their latest funding round was raised on Dec 15, 2020 in the amount of $267Mas a post_ipo_equity.

  • $100M - $250M

    Castle Biosciences, Inc.'s revenue is estimated to be in the range of $100M - $250M

Section iconFunding & Financials

  • $429M

    Castle Biosciences, Inc. has raised a total of $429M of funding over 17 rounds. Their latest funding round was raised on Dec 15, 2020 in the amount of $267Mas a post_ipo_equity.

  • $100M - $250M

    Castle Biosciences, Inc.'s revenue is estimated to be in the range of $100M - $250M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.