Company lists · Data refreshed September 2026

Top 13 Peptide manufacturers based in the United Kingdom

RevenueBase identified 39 peptide manufacturers headquartered in the United Kingdom as of September 2026 and tracks 273 professional contacts across them, including 117 with verified work emails. London is the largest hub.

This list covers peptide manufacturers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
39Companies
273Contacts tracked
117Verified emails
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The 13 largest peptide manufacturers based in the United Kingdom

Ranked by team size
Top 13 of 39 peptide manufacturers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to peptide manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceDarlington, United KingdomHQ checked Sep 17, 202651-20044 contacts →

Partial evidence

“Molekula is a manufacturer and distributor of Fine Chemicals and Biochemicals in Bulk and Research quantities Founded in in France and the UK to initially support the Chemical…”

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceOxford, United KingdomHQ checked Sep 17, 202611-5030 contacts →

Partial evidence

“Orbit develop and apply innovative drug discovery platforms defined by a unique peptide display engine that deliver novel, functional, biologically relevant peptide therapeutic…”

Source: RevenueBase Database · checked Sep 17, 2026
3Partial evidenceCambridge, United KingdomHQ checked Sep 17, 202611-5028 contacts →

Partial evidence

“Isomerase helps partners innovate and harness the microbial power of a wide range of bacteria and fungi to discover and produce native or novel natural products, peptides, and…”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidenceReading, United KingdomHQ checked Sep 17, 202611-5019 contacts →

Indirect evidence

“For the total GMP synthesis of complex carbohydrates and carbohydrate based medicinal chemistry, Dextra has a proven record of developing innovative solutions to minimise costs…”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 17, 202611-5015 contacts →

Indirect evidence

“AB BIOTECHNOLOGY LIMITED is a biotechnology company based out of Pentlands Science Park, Bush Loan, Penicuik, Midlothian, EH26 0PZ”

Source: RevenueBase Database · checked Sep 17, 2026
6Indirect evidenceBristol, United KingdomHQ checked Sep 17, 20261-1013 contacts →

Indirect evidence

“Zentraxa’s proprietary technological platform, Zentide, combined with our extensive technical know-how allows us to push the boundaries of what can be achieved with synthetic…”

Source: RevenueBase Database · checked Sep 17, 2026
7Partial evidenceRedditch, United KingdomHQ checked Sep 17, 202611-5010 contacts →

Partial evidence

“Recognised globally as a leading UK-based manufacturing and analytical laboratory, we specialise in the synthesis of peptides, oligonucleotides, and antibodies, as well as the…”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceLinlithgow, United KingdomHQ checked Sep 17, 20261-109 contacts →

Partial evidence

“We are a Scottish Biotech company with a new method of producing peptides.”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidenceBedford, United KingdomHQ checked Sep 17, 202611-505 contacts →

Indirect evidence

“Our proprietary technology includes a novel method to make nanoMIPs which circumvents the drawbacks of traditional MIP manufacturing methods.”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceWarrington, United KingdomHQ checked Sep 17, 20261-103 contacts →

Indirect evidence

“Daresbury Proteins Ltd specializes in mammalian recombinant protein production and cell line development.”

Source: RevenueBase Database · checked Sep 17, 2026
11Strong evidenceEnderby, United KingdomHQ checked Sep 17, 202611-503 contacts →

Strong evidence

“Part of the Biosynth Group since Sept 2023, Pepceuticals Ltd,(est.1998), is a specialist British manufacturer of synthetic peptides.”

Source: RevenueBase Database · checked Sep 17, 2026
12Partial evidenceCambridge, United KingdomHQ checked Sep 17, 202611-501 contacts →

Partial evidence

“Activotec is a peptide synthesis Company specialising in peptide synthesizers, organic synthesizers and synthesis chemicals.”

Source: RevenueBase Database · checked Sep 17, 2026
13Partial evidenceGlasgow, United KingdomHQ checked Sep 17, 20261-101 contacts →

Partial evidence

“PeptEd provides peptide synthesis consultancy services and solutions to the pharmaceutical and biotech industries, helping those looking to grow their peptide services and…”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 13 of 39 peptide manufacturers based in the United Kingdom

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Peptide manufacturers based in the United Kingdom at a glance

As of Sep 17, 2026
42.9%Verified-email coverage
7.0Average contacts per company
1-10Median size (employees)
17.9%Largest-city concentration · London
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
12
51-200
3

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 39 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among peptide manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “peptide manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names peptide manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among peptide manufacturers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 117 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names peptide manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many peptide manufacturers are there based in the United Kingdom?

RevenueBase identified 39 peptide manufacturers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Molekula Group, headquartered in Darlington, tops this list with the largest team on record.

Which city has the most peptide manufacturers?

London leads with 7 headquartered companies, followed by Cambridge (3) and Bristol (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 117 verified decision-maker contacts tracked across these 39 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.