MediSieve

Private

LondonHealthcare & Life Scienceshttps://medisieve.com/

Last Round

Early Funding

Jun 23, 2021

Total Funding Raised

$9.71M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

MediSieve is a biotech company that has developed a magnetic blood filtration platform to remove specific harmful substances from a patient's bloodstream.

Sector

Healthcare & Life Sciences

Verticals

Medical Devices, Biotechnology, Biotech Equipment

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

magnetic blood filtrationextracorporeal therapyblood purificationhemoperfusionmedical device platformsepsis treatmentgene therapy enablercytokine removalAAV antibody removalCytokine Release SyndromeCRSblood-borne diseasemagnetic particlesdrug-free therapymalaria treatment

Historical Pricing

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Caplight Momentum Score

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MediSieve Comparables

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MediSieve comparables — related companies by embedding similarity
Company	Similarity	Market Cap
Hemotune AG	89%
ExThera Medical	84%
Immunicom, Inc.	80%

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MediSieve Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Early Funding	Jun 23, 2021
Grant	Dec 30, 2020
Grant	Jun 11, 2020
Grant	Jan 30, 2019
Early Funding	Jun 4, 2018
Grant	Feb 12, 2018

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Key People

Founding team and executive leadership

George Frodsham

Founder and CEO

Founding Team

Cristina Blanco-Andujar

Chief Technology Officer

Executive Team

MediSieve Investors

Notable investors and investment history

MediSieve investors
Investor	Rounds
London Business School	Grant
Rosetrees Trust	Grant
UKRI Innovate UK	Grant
Innovate UK	Grant
Funding London	Early Funding
National Institute for Health and Care Research	Grant
Biotechnology and Biological Sciences Research Council	Grant

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Market signals

Structured signals derived from secondary market and firmographic data.

Aug 1, 2026
Open roles increased to 8, 89% of headcount.
Feb 2, 2026
Monthly visitors increased 907% MoM.

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MediSieve Filings

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MediSieve filings preview — column headings only; records require access
Type	Date	Amount Offered	Amount Sold	Filing	Pages	Download

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Firmographic Details

HeadquartersLondon

Employee Range9

Year Founded2014

Last FundingJun 23, 2021

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