Insights

Influenza Capabilities CSL Seqirus is the second largest influenza vaccine company with global manufacturing and a presence in over 20 countries, offering opportunities to sell in both seasonal and pandemic preparedness markets through existing capacity and distribution channels.

Public Health Collaboration Active partnerships with government health agencies and ongoing work on avian influenza and H5N1 vaccine development present opportunities to propose large-scale public sector collaborations, procurement programs, and stockpile readiness contracts.

Manufacturing Scale Significant manufacturing footprint in the US, UK, Germany, and Australia combined with a sizable workforce enables scalable supply agreements, risk-sharing manufacturing contracts, and faster time-to-market for vaccines and related biologics.

Adjuvanted and Cell-Based Focus on cell-based and adjuvanted seasonal influenza vaccines provides a pathway to upsell enhanced efficacy formulations, clinical study collaborations, and data-driven value propositions for payers and health systems.

Expansion Readiness Recent R&D and regulatory activity, plus leadership hires in manufacturing, signals potential for expanded product lines or contract manufacturing opportunities, especially for vaccine variants, antivenoms, and nationally significant vaccines.

Similar companies to CSL Seqirus

CSL Seqirus Tech Stack

CSL Seqirus uses 8 technology products and services including Google Hosted Libraries, Open Graph, Sitecore, and more. Explore CSL Seqirus's tech stack below.

  • Google Hosted Libraries
    Content Delivery Network
  • Open Graph
    Content Management System
  • Content Management System
  • Cookie Compliance
  • Babel
    Development
  • jQuery
    Javascript Libraries
  • Video.js
    Javascript Libraries
  • HSTS
    Security

CSL Seqirus's Email Address Formats

CSL Seqirus uses at least 3 email formats:
CSL Seqirus Email FormatsExamplePercentage
First.Last@seqirus.comJohn.Doe@seqirus.com
98%
First.Middle@seqirus.comJohn.Michael@seqirus.com
1%
Last_First@seqirus.comDoe_John@seqirus.com
1%

Frequently Asked Questions

What is CSL Seqirus's official website and social media links?

Minus sign iconPlus sign icon
CSL Seqirus's official website is cslseqirus.com and has social profiles on LinkedIn.

How much revenue does CSL Seqirus generate?

Minus sign iconPlus sign icon
As of July 2026, CSL Seqirus's annual revenue is estimated to be $25M - $50M.

What is CSL Seqirus's NAICS code?

Minus sign iconPlus sign icon
CSL Seqirus's NAICS code is 3254 - Pharmaceutical and Medicine Manufacturing.

How many employees does CSL Seqirus have currently?

Minus sign iconPlus sign icon
As of July 2026, CSL Seqirus has approximately 2.7K employees across 5 continents, including Europe, North America and Oceania. Key team members include Vice President & Head Of Medical Affairs, Csl Seqirus: J. A., Vp Head Global Regulatory Affairs And Pharmacovigliance: S. C. and Vice President Operations And Site Head Holly Springs: J. A. Explore CSL Seqirus's employee directory with LeadIQ.

What industry does CSL Seqirus belong to?

Minus sign iconPlus sign icon
CSL Seqirus operates in the Pharmaceuticals industry.

What technology does CSL Seqirus use?

Minus sign iconPlus sign icon
CSL Seqirus's tech stack includes Google Hosted Libraries, Open Graph, Sitecore, OneTrust, Babel, jQuery, Video.js and HSTS.

What is CSL Seqirus's email format?

Minus sign iconPlus sign icon
CSL Seqirus's email format typically follows the pattern of First.Last@seqirus.com. Find more CSL Seqirus email formats with LeadIQ.

When was CSL Seqirus founded?

Minus sign iconPlus sign icon
CSL Seqirus was founded in 1916.
CSL Seqirus logo

CSL Seqirus

PharmaceuticalsEngland, United Kingdom1001-5000 Employees

CSL Seqirus is a pharmaceutical manufacturing company formed in 2015 through the merger of bioCSL and the influenza vaccines business formerly owned by Novartis. As a CSL business unit, it ranks among the world's leading producers of influenza vaccines, with manufacturing sites in the United States, the United Kingdom, Germany, and Australia. It is a major component of CSL's global operations and is described as the second-largest influenza vaccine company worldwide, with a footprint that spans more than 20 countries and a sizable, multinational workforce.

Based in Maidenhead, England, CSL Seqirus markets vaccines and specialty pharmaceutical products in Australia and New Zealand and manufactures antivenoms and Q fever vaccines for national programs. The company positions itself as a global partner in pandemic preparedness and influenza control, supported by extensive research and production capabilities across its sites. In 2023, it published data from three studies examining the clinical, public health, and economic value of cell-based and adjuvanted seasonal influenza vaccines.

Section iconCompany Overview

NAICS Code
3254 - Pharmaceutical and Medicine Manufacturing
Founded
1916
Employees
1001-5000

Section iconFunding & Financials

  • $25M - $50M

    CSL Seqirus's revenue is estimated to be in the range of $25M - $50M

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.