Portal Biotech
Portal Biotech develops protein sequencing technology that analyzes full-length protein molecules at the single-molecule level. The London-based biotech startup has raised $37M in Series A funding and employs 68 people.
The growth story
Portal Biotech grew from 15 to 68 employees between 2023 and 2026, raising $37M along the way, most recently a Series A in June 2025.
About
Portal Biotech builds a platform for sequencing entire proteins at the single-molecule level, aiming to provide a complete view of protein structures. The technology targets scientists in drug discovery, diagnostics, and pandemic preparedness, replacing fragmented protein analysis methods with more comprehensive insights.
The company, founded in 2021, has raised $37M in Series A funding from investors including 8VC and the NATO Innovation Fund. Its team of 68 includes a strong focus on research, with 20 employees dedicated to this function.
Founders and leadership
Portal Biotech is led by DNA-sequencing veterans and has a research-heavy organizational structure, with 20 employees focused on research. The company’s leadership leverages decades of expertise in nanopore technology and machine learning.
The Portal Biotech org chart
Andrew Heron (Chief Executive Officer) leads 17 mapped leaders with 2 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Research 30 (+36% YoY), Engineering 15 (+150% YoY), Business Development 8 (+14% YoY), Operations 4 (+300% YoY).
Talent flow
Portal Biotech’s team draws heavily from Oxford Nanopore Technologies, with 8 hires from the company. Other top talent sources include Imperial College London and the University of Groningen. The median tenure at the company is 2 years.
Most common previous employers of Portal Biotech staff: Oxford Nanopore Technologies (8), Imperial College London (7), University of Groningen (6), University of Oxford (5), University of Cambridge (2), GSK (2).
Hiring now
Web traffic
Traffic mix: 29% direct, 18% search, 45% social, 0% paid.
What this company is made of
Most common skills at Portal Biotech: Research Skills (22), Python (Programming Language) (20), Project Management (20), Life Sciences (16), Microsoft Office (15), Data Analysis (15), Biotechnology (15), Biochemistry (14).
Where the team actually sits
Portal Biotech people are concentrated in England, United Kingdom (21), United Kingdom (8), Groningen, Netherlands (4), London Area, United Kingdom (3).
Search footprint
Portal Biotech attracts about 5 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 3 ranking keywords and lost 2 in the last period.
What employees say
- Compensation
- 2.00 / 5
- Career opportunities
- 4.50 / 5
- Senior management
- 3.50 / 5
- Work-life balance
- 3.00 / 5
Frequently asked
Portal Biotech has 68 employees as of September 2026.
Portal Biotech has raised $37M in total, most recently a Series A round in June 2025.
Portal Biotech was founded in 2021 by Giovanni Maglia.
Andrew Heron (Chief Executive Officer) sits at the top of Portal Biotech's reporting structure, with 2 direct reports.
The most common previous employers of current Portal Biotech staff are Oxford Nanopore Technologies (8 people), Imperial College London (7 people), University of Groningen (6 people).
Portal Biotech attracts about 5 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among Portal Biotech staff are Research Skills, Python (Programming Language), Project Management, Life Sciences, Microsoft Office.
Portal Biotech staff are concentrated in England, United Kingdom (21), United Kingdom (8), Groningen, Netherlands (4).
Portal Biotech has about 30 people in Research, up 36% over the past year, as of September 2026.
Portal Biotech has about 15 people in Engineering, up 150% over the past year, as of September 2026.
Computed from 45 current and 5 former Portal Biotech profiles, as of September 2026. Source: Crustdata.
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