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Laboratory Equipment
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Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Latest round
Venture round
Jul 2026 · 3 mo ago
Team
51-200
employees, estimated range
Hiring now
4
+1 posted in 30 days
Grants
$225k
2 grants · CORDIS
Backers
3
Horizons Ventures, Oxford Science Enterprises
The money's age
Fresh money
3 months since the last round · and hiring
Momentum
55/100
hiring for its size, a new city, in the news, fresh money
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jul 28
Raised a round Venture round
Mar 18
Launched Refeyn launches MyMass instrument to simplify sample quality assessment for structural biology · globenewswire
Jan 26
Recognition Refeyn named in the Sunday Times 100 Tech list of the UK's fastest-growing technology companies · refeyn.com
Sep 16, 2025
Raised a round Venture round
Jan 28, 2025
Raised a round Venture round
Nov 28, 2024
Launched Refeyn Launches Software Platform To Automate Mass Photometry Analysis Workflows · technologynetworks.com
Dec 7, 2023
Raised a round Venture round
Jun 1, 2023
Won a grant CORDIS
Mar 10, 2023
Raised a round Venture round
Sep 26, 2022
Raised a round Venture round
Apr 11, 2022
Raised a round Venture round
Dec 23, 2021
Raised a round Venture round
Sep 17, 2021
Raised a round Venture round
Dec 15, 2020
Raised a round Venture round
Oct 1, 2020
Won a grant $225k · CORDIS
Aug 30, 2019
Raised a round Venture round
Feb 25, 2019
Raised a round Venture round
Apr 27, 2018
Founded per the company register
Tractionpublic signals, read monthly
Web presence
top 0.05%
of 133.2M domains by links, Common Crawl
Funding rounds
Registers and programsofficial lists and records that name the company
| Legal entity | REFEYN LTD | Companies House |
| Registered | 27 Apr 2018 |
Backed byfrom the funds' portfolios and accelerator catalogs
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Visa sponsorship
1
H-1B filings in 12 months
$93k
Median offered salary
2
Open roles in United States
Who they sponsor
Other engineers
1
In the register as Refeyn Inc., Waltham, MA
Other sponsors in the same field
Thermo Fisher Scientific 212 filings
Illumina 82 filings
Agilent Technologies 35 filings
Bio-Rad Laboratories 31 filings
See 2 open roles Alert me
US Department of Labor · latest filing May 8, 2026 · Visa details by country
A-rated
Sponsor licence
Skilled Worker +1
Visa route
2
Open roles in United Kingdom
In the register as Refeyn Limited, Oxford, Oxfordshire
Other sponsors in the same field
See 2 open roles Alert me
UK Home Office · checked Oct 31, 2026 · Visa details by country
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Owner

Oxford Science EnterprisesConfirmed
oxfordscienceenterprises.com
| Evidence | Value | Source | Last seen |
|---|---|---|---|
| UK PSC: controlling company | Pro plan | Companies House | Nov 1, 2026 |
Confidence 1.00
Shared investors

Oxford TechnologyVia a fund
57 portfolio companies: Lupetechnology, asymmetricsuzuki.co.uk, Electrowinning Technologies Ltd and 54 more

Oxford Science EnterprisesVia a fund

Horizons VenturesVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
Refeyn continues participation in NIIMBL consortium tackling AAV purification
Refeyn will continue its role in a project that has received additional funding through the National Institute for Innovation in Manufacturing Biopharmaceuticals (NIIMBL), focused on intelligent optimization of adeno-associated virus (AAV) purification pr
Read more
Report
Refeyn welcomes Paul C. Collins to Scientific Advisory Board
Paul C. Collins Director of Research at Purdue University Refeyn is pleased to announce that Paul C. Collins has joined its Scientific Advisory Board (SAB). Paul brings a wealth of experience spanning synthetic small molecules, monoclonal antibodies, ther
Read more
Report
Bio-Techne and Refeyn close critical gap in bispecific antibody and biosimilar characterization
New integrated workflow combines icIEF fractionation and mass photometry Enables simultaneous assessment of charge and size variants at single molecule resolution Four-hour workflow reduces development risk and accelerates biosimilar manufacturing MINNEAP
Read more
Report
Refeyn launches MyMass instrument to simplify sample quality assessment for structural biology
Read more
Report
Refeyn launches MyMass instrument to simplify sample quality assessment for structural biology
Compact, all-in-one mass photometer helps researchers verify sample quality before proceeding to cryo-EM, native MS, BLI, SPR, and other costly experimentsOXFORD, United Kingdom, March 18, 2026 (GLOBE NEWSWIRE) -- Refeyn, developer of pioneering mass phot
Read more
Report
Refeyn launches MyMassMP instrument to simplify sample quality assessment for structural biology
The MyMass mass photometer enables researchers to quickly verify sample quality before proceeding to cryo-EM, native MS, BLI, SPR and other demanding experimental workflows. Compact, all-in-one mass photometer helps researchers verify sample quality befor
Read more
Report
Refeyn launches MyMass instrument to simplify sample quality assessment for structural biology
Read more
Report
Refeyn launches MyMass instrument to simplify sample quality assessment for structural biology
Refeyn launches MyMass - an all-in-one mass photometer for fast, accurate sample quality assessment ahead of costly structural biology workflows....
Read more
Report
Leading CROs and CDMOs turn to mass photometry for rapid protein, mRNA and viral vector analytics
As CROs and CDMOs expand their role in biopharma development and manufacturing, fast, accurate bioanalytic technologies remain critical to biotherapeutic affordability Refeyn's Samux benchtop mass photometer enables rapid analysis of adeno-associated viru
Read more
Report
Comparing analytical approaches for AAV characterization (2026)
This post was first published in March 2023 Updated on 20 February 2026 Adeno-associated virus (AAV) sample characterization is critical for research, development, and manufacturing processes of gene therapies that involve these viral vectors (Fig. 1). At
Read more
Report
Show more news
Tech stack
Technologies named in job postings at Refeyn over the last 12 months, by layer, with the share of postings for each.
Technologies in use
7
Postings analysed
6
Stack modernity
58/100
Languages
C++
MATLAB
Python
Developer tools
Mandiant capa
Practices & domains
GMP
Design Controls
Verification & Validation
Sign in to see how your skills match this stack
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Salary insights
Compensation ranges based on this company's open jobs
Median
$67k
Typical range
$58k – $160k
Open positions
3
1
Jobs
Junior
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 1 | $58k | $58k |
Highest paying role
Key Account Manager
$160k
Normalized to USD per year
Growth
Hiring Momentum
76/100
Scaling fast
Open positions
4
1 opened / 5 closed in 30 days
Median time-to-fill
53 days
faster than 25% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Support
20% ▼
Operations
20% ▼
Field & Service
20% ▲
Industrial Engineering
20% ▼
Management
10% ▼
Public Policy
10% ▼
Activity Timeline
Added GMP to stack
Oct 2026
Added Verification & Validation to stack
Oct 2026
Added Design Controls to stack
Oct 2026
New location: Boston
Oct 2026
New location: China
Oct 2026
New location: Germany
Oct 2026
New location: United States
Oct 2026
Added Python to stack
Sep 2026
Added MATLAB to stack
Sep 2026
Added C++ to stack
Sep 2026
New location: Singapore
Sep 2026
Added Mandiant capa to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
6
Hiring now
3
Countries
5
Busiest office
Oxford
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Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
Oxford
United Kingdom
HQ
Oxford
2 open roles 7 posted in 90 days 50-200 est. staff $67k Avg Salary
hires for Field & Service, Industrial Engineering
Boston
United States
Regional office
Boston
1 open roles 1 posted in 90 days 10-50 est. staff $58k Avg Salary
hires for Operations
Waltham
United States
Regional office
Waltham, MA
1 open roles 1 posted in 90 days 10-50 est. staff $58k Avg Salary
hires for Operations
Paris
France
Regional office
France
Singapore
Singapore
Regional office
APAC
Stockholm
Sweden
Regional office
Sweden
Jobs
Apply
Financials
Total raised
$225k
Latest round
Venture - Series Unknown
Funding rounds
14
Investors
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2026 | — | Details |
| Venture - Series Unknown | 2025 | — | Details |
| Venture - Series Unknown | 2025 | — | Details |
| Venture - Series Unknown | 2023 | — | Details |
| Grant | 2023 | — | Details |
| Venture - Series Unknown | 2023 | — | Details |
| Venture - Series Unknown | 2022 | — | Details |
| Venture - Series Unknown | 2022 | — | Details |
| Venture - Series Unknown | 2021 | — | Details |
| Venture - Series Unknown | 2021 | — | Details |
| Venture - Series Unknown | 2020 | — | Details |
| Grant | 2020 | $225k | Details |
| Venture - Series Unknown | 2019 | — | Details |
| Venture - Series Unknown | 2019 | — | Details |
Key Investors





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