Porton Biopharma Limited,

Developed in-house and with decades of experience, we are the sole manufacturer of Erwinase® (Crisantaspase), an asparaginase enzyme indicated for the treatment of Acute Lymphoblastic Leukaemia (ALL), the most common form of cancer in children.

We are also the sole manufacturer of the UK’s licensed anthrax vaccine, which is produced for and on behalf of the UK government as a strategic biodefence medical countermeasure.

Porton Biopharma Limited is a limited liability company with company number 9331560. Our registered office is at Manor Farm Road, Porton Down, Salisbury, Wiltshire SP4 0JG. All assets in the company are held by the Department of Health and Social Care, in the name of the Secretary of State for Health and Social Care, which is a legal position, and Not by any individuals who may occupy the position of Sectary of State from time to time.

Porton Biopharma Limited has a wholly owned subsidiary with company registration number 678851 and a registered address at Lee View House, 13 South Terrace, Cork, T12 T0CT, Ireland.