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Insights

Strategic Partnerships Castle Biosciences has existing collaboration activity with SciBase AB and actively engages with Wall Street-backed investor events, indicating openness to licensing, co-development, or distribution partnerships that can expand test adoption and pipeline commercial reach.

Growing Revenue Horizon With reported quarterly revenue near 100 million and multiple high-margin diagnostic tests across dermatologic cancers, Barrett’s esophagus, and uveal melanoma, there are clear cross-sell and up-sell opportunities to expand physician adoption and hospital partnerships.

Pipeline Synergy A robust portfolio including DecisionDx and TissueCypher tests alongside AdvanceAD-Tx positions Castle for integrated diagnostic and therapeutic decision workflows, suggesting opportunity to partner with pharma and biotech for companion diagnostics and data-enabled treatment pathways.

Geographic and Lab Footprint Operations in Texas, Arizona, and Pennsylvania combined with centralized cloud-enabled tech stack imply scalability for multi-site distribution, lab network expansion, and streamlined sample processing—ideal for channel partners and service providers seeking geographic reach.

Innovation Awards Recent recognition for genomics innovation and breakthrough awards reinforce market credibility, creating openings for thought leadership, speaking engagements, and enterprise collaborations with health systems seeking validated, cutting-edge diagnostic solutions.

Similar companies to Castle Biosciences, Inc.

Castle Biosciences, Inc. Tech Stack

Castle Biosciences, Inc. uses 8 technology products and services including Alteryx, QlikView, Amazon Web Services, and more. Explore Castle Biosciences, Inc.'s tech stack below.

Media & News

Castle Biosciences, Inc.'s Email Address Formats

Castle Biosciences, Inc. uses at least 3 email formats:
Castle Biosciences, Inc. Email FormatsExamplePercentage
FLast@castlebiosciences.comJDoe@castlebiosciences.com
95%
Last@castlebiosciences.comDoe@castlebiosciences.com
4%
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
+1-858-232-****
. 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 iconCastle 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 iconCastle Biosciences, Inc.'s official website is castlebiosciences.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Castle Biosciences, Inc. generate?

Minus sign iconPlus sign icon As of October 2026, Castle Biosciences, Inc.'s annual revenue is estimated to be $250M - $500M.

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

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

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

Minus sign iconPlus sign iconAs of October 2026, Castle Biosciences, Inc. has approximately 795 employees across 2 continents, including North America and Europe. Key team members include Vice President Of Accounting: D. W., Vice President Of Cloud Services: K. S. and 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 iconCastle Biosciences, Inc. operates in the Biotechnology Research industry.

What technology does Castle Biosciences, Inc. use?

Minus sign iconPlus sign iconCastle Biosciences, Inc.'s tech stack includes Alteryx, QlikView, Amazon Web Services, SAP, OpenAI, Microsoft Active Directory, Webflow and Atlassian Confluence.

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

Minus sign iconPlus sign iconCastle 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 October 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 iconCastle 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
+1-858-232-****
Website
castlebiosciences.com
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 iconMedia & News

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 $267M as a Post IPO Equity.

  • $250M - $500M

    Castle Biosciences, Inc.'s revenue is estimated to be in the range of $250M - $500M

Company Leadership

  • Vice President Of Accounting at Castle Biosciences, Inc.
    D. W.
    Vice President Of Accounting
    Mobile Phone
  • Vice President Of Cloud Services at Castle Biosciences, Inc.
    K. S.
    Vice President Of Cloud Services
    Mobile Phone
  • Vice President, Information Technology at Castle Biosciences, Inc.
    C. O.
    Vice President, Information Technology
    Mobile Phone
  • Director, Talent Management at Castle Biosciences, Inc.
    R. R.
    Director, Talent Management
    Mobile Phone
  • Executive Director Of Sales Operations at Castle Biosciences, Inc.
    P. M.
    Executive Director Of Sales Operations
    Mobile Phone

Employee Directory

  • Product Director, Dermatology at Castle Biosciences, Inc.
    H. M.
    Product Director, Dermatology
    Mobile Phone
  • Regional Business Director Gi | South at Castle Biosciences, Inc.
    M. V.
    Regional Business Director Gi | South
    Mobile Phone
  • Regional Business Director, Gi Division at Castle Biosciences, Inc.
    C. S.
    Regional Business Director, Gi Division
    Mobile Phone
  • Medical Director Gastroenterology at Castle Biosciences, Inc.
    C. M.
    Medical Director Gastroenterology
    Mobile Phone
  • Regional Business Director at Castle Biosciences, Inc.
    L. D.
    Regional Business Director
    Mobile Phone

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