Insights

Global Vaccine Leadership CSL Seqirus is the second largest influenza vaccine company worldwide with a manufacturing presence in the US, UK, Germany, and Australia, offering significant opportunities to expand distribution and partnership networks across diverse markets.

Focus on Pandemic Preparedness The company's active development of vaccines against highly pathogenic avian influenza and collaborations with health authorities indicate a strategic emphasis on pandemic readiness, opening avenues for government and global health agency collaborations.

Innovative Vaccine Development Recent studies supporting cell-based and adjuvanted influenza vaccines showcase CSL Seqirus's commitment to advancing vaccine technology, presenting potential for joint research initiatives and premium product positioning.

Expansion in Public Health Its manufacturing of vaccines of national significance, such as Q fever and antivenoms in Australia and New Zealand, highlights opportunities to partner with regional health departments and expand public health product offerings.

Strategic Leadership Appointments Recent high-level hiring, such as the vice president of manufacturing overseeing over 950 employees, signals ongoing capacity expansion and process optimization, which can be leveraged to explore increased supply chain and OEM opportunities.

CSL Seqirus Tech Stack

CSL Seqirus uses 8 technology products and services including Open Graph, OneTrust, Babel, and more. Explore CSL Seqirus's tech stack below.

  • Open Graph
    Content Management System
  • OneTrust
    Cookie Compliance
  • Babel
    Development
  • Hammer.js
    Javascript Libraries
  • Video.js
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • HSTS
    Security
  • Google Tag Manager
    Tag Management

CSL Seqirus's Email Address Formats

CSL Seqirus uses at least 2 format(s):
CSL Seqirus Email FormatsExamplePercentage
First.Last@seqirus.comJohn.Doe@seqirus.com
92%
First.Middle@seqirus.comJohn.Michael@seqirus.com
1%
FirLast@seqirus.comJohDoe@seqirus.com
1%
Last.First@seqirus.comDoe.John@seqirus.com
1%
Last.F@seqirus.comDoe.J@seqirus.com
1%
First-L@seqirus.comJohn-D@seqirus.com
1%
FirstL@seqirus.comJohnD@seqirus.com
1%
LastFi@seqirus.comDoeJo@seqirus.com
1%
FMLast@seqirus.comJMDoe@seqirus.com
1%

Frequently Asked Questions

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

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

How much revenue does CSL Seqirus generate?

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As of December 2025, CSL Seqirus's annual revenue is estimated to be $5B.

What is CSL Seqirus's NAICS code?

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CSL Seqirus's NAICS code is 3254 - Pharmaceutical and Medicine Manufacturing.

How many employees does CSL Seqirus have currently?

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As of December 2025, CSL Seqirus has approximately 2.7K employees across 5 continents, including North AmericaEuropeOceania. Key team members include Vice President Operations And Site Head Holly Springs: J. A.President: G. N.Head Of Commercial Excellence, Seqirus North America: A. H.. Explore CSL Seqirus's employee directory with LeadIQ.

What industry does CSL Seqirus belong to?

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CSL Seqirus operates in the Pharmaceutical Manufacturing industry.

What technology does CSL Seqirus use?

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CSL Seqirus's tech stack includes Open GraphOneTrustBabelHammer.jsVideo.jsjQueryHSTSGoogle Tag Manager.

What is CSL Seqirus's email format?

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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?

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CSL Seqirus was founded in 1916.

CSL Seqirus

Pharmaceutical ManufacturingEngland, United Kingdom1001-5000 Employees

CSL Seqirus, a business unit of CSL, was created from the combined strength and expertise of bioCSL and the influenza vaccines business formerly owned by Novartis. In July 2015, the two businesses joined forces to create CSL Seqirus, now the second largest influenza vaccine company in the world.  With extensive research and production expertise and manufacturing plants in the US, UK, Germany and Australia, CSL Seqirus is a transcontinental partner in pandemic preparedness and a major contributor to the prevention and control of influenza globally. CSL Seqirus has a workforce of over 3,000 employees, significant manufacturing capacity and a commercial presence in over 20 countries. 
 
In Australia and New Zealand, CSL Seqirus markets a comprehensive range of vaccines and specialty pharmaceutical products. It also manufactures products of national significance for Australia, including antivenoms and Q fever vaccine. See our community guidelines: https://bit.ly/3QZbZeZ

Section iconCompany Overview

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

Section iconFunding & Financials

  • $50M$100M

    CSL Seqirus's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    CSL Seqirus's revenue is estimated to be in the range of $50M$100M

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