Company lists · Data refreshed September 2026

Top 25 Optical communication systems companies based in the United Kingdom

Name: Optical communication systems companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 63 companies tracked

RevenueBase identified 63 optical communication systems companies headquartered in the United Kingdom as of September 2026 and tracks 684 professional contacts across them, including 230 with verified work emails. London is the largest hub.

This list covers optical communication systems companies 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 19, 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 19, 2026 86% judged on-target in blind review

63Companies

684Contacts tracked

230Verified emails

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The 25 largest optical communication systems companies based in the United Kingdom

Ranked by team size

Top 25 of 63 optical communication systems companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to optical communication systems companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Splicegroup	Indirect evidence	Drighlington, United KingdomHQ checked Sep 19, 2026	51-200	59 contacts →
	Indirect evidence “We are a leading provider of Fibre Management Products and Services.” Source: RevenueBase Database · checked Sep 19, 2026
2	Salience Labs	Indirect evidence	Oxford, United KingdomHQ checked Sep 19, 2026	51-200	44 contacts →
	Indirect evidence “Salience Labs is transforming the networking layer of AI datacenter infrastructure.” Source: RevenueBase Database · checked Sep 19, 2026
3	AMG Systems	Indirect evidence	Castleford, United KingdomHQ checked Sep 19, 2026	11-50	34 contacts →
	Indirect evidence “For more than 30 years, the AMG brand has been synonymous with excellence in data transmission technology and has become one of the market leaders in providing environmentally…” Source: RevenueBase Database · checked Sep 19, 2026
4	Megnet Limited	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	28 contacts →
	Partial evidence “We are specialist suppliers of compatible fibre optic transceivers and related networking solutions products since 2003.” Source: RevenueBase Database · checked Sep 19, 2026
5	Archangel Lightworks	Partial evidence	Oxford, United KingdomHQ checked Sep 19, 2026	11-50	22 contacts →
	Partial evidence “Archangel Lightworks is a laser communications company building high-volume, secure, wireless technology to create the space-enabled networks of the future.” Source: RevenueBase Database · checked Sep 19, 2026
6	Fibrefab	Partial evidence	Milton Keynes, United KingdomHQ checked Sep 19, 2026	51-200	22 contacts →
	Partial evidence “A global leader in fiber optic technology, AFL Hyperscale brings together over 70 years of design and manufacturing expertise to create next generation, end to end connectivity…” Source: RevenueBase Database · checked Sep 19, 2026
7	Hilight Semiconductor LTD	Strong evidence	Southampton, United KingdomHQ checked Sep 19, 2026	51-200	21 contacts →
	Strong evidence “HiLightSemiconductor is a fabless chip company founded by veterans of multiple previous successful start-ups in the optical communications industry.” Source: RevenueBase Database · checked Sep 19, 2026
8	Optical Fiber Packaging OFP	Partial evidence	Haverhill, United KingdomHQ checked Sep 19, 2026	51-200	17 contacts →
	Partial evidence “Specialty Fiber Optic assemblies, Components, and Integrated Optical Solutions with the highest quality, the best designs and most innovative engineering content for their…” Source: RevenueBase Database · checked Sep 19, 2026
9	Folan Technologies LTD	Partial evidence	Southend-on-sea, United KingdomHQ checked Sep 19, 2026	51-200	15 contacts →
	Partial evidence “FOLAN is your one-stop solution for fibre optics, fibre optic data network and telecommunication products with associated services.” Source: RevenueBase Database · checked Sep 19, 2026
10	Atgbics	Partial evidence	Bournemouth, United KingdomHQ checked Sep 19, 2026	11-50	13 contacts →
	Partial evidence “Approved Technology are a leading distributor of optical network connectivity solutions since 2008.” Source: RevenueBase Database · checked Sep 19, 2026
11	Linxcom UK	Partial evidence	Leicester, United KingdomHQ checked Sep 19, 2026	11-50	11 contacts →
	Partial evidence “Linxcom UK is a brand offering network and communications end-to-end solutions.” Source: RevenueBase Database · checked Sep 19, 2026
12	Fttx And Energy Warehouse LTD	Strong evidence	Rochdale, United KingdomHQ checked Sep 19, 2026	11-50	11 contacts →
	Strong evidence “FTTx and Energy Warehouse is a specialist wholesaler and distributor of fibre optic communication technologies.” Source: RevenueBase Database · checked Sep 19, 2026
13	Axenic	Strong evidence	Sedgefield, United KingdomHQ checked Sep 19, 2026	11-50	9 contacts →
	Strong evidence “aXenic are leaders in the design, development and production of optical modulators for communications and sensing.” Source: RevenueBase Database · checked Sep 19, 2026
14	Plus Opto LTD	Indirect evidence	Leigh, United KingdomHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “Established in 1994 as a specialist supplier of optoelectronic components into the electronic manufacturing industry, our continued success is based upon well-maintained…” Source: RevenueBase Database · checked Sep 19, 2026
15	PFO Instruments	Partial evidence	Wokingham, United KingdomHQ checked Sep 19, 2026	11-50	9 contacts →
	Partial evidence “PFO is a world leader in the design and manufacture of optoelectronics test instruments for characterisation of Optical Fiber.” Source: RevenueBase Database · checked Sep 19, 2026
16	Fibrenet	Partial evidence	Gloucestershire, United KingdomHQ checked Sep 19, 2026	1-10	8 contacts →
	Partial evidence “Fibrenet supplies vendor-compatible optical transceivers and cabling for service providers, data centres and enterprise networks.” Source: RevenueBase Database · checked Sep 19, 2026
17	GBICS	Partial evidence	Cirencester, United KingdomHQ checked Sep 19, 2026	11-50	5 contacts →
	Partial evidence “GBICS is a trusted manufacturer of high-performance optical transceivers and an official partner of NVIDIA, Intel and Juniper Networks.” Source: RevenueBase Database · checked Sep 19, 2026
18	Lastmile Fibre	Indirect evidence	Ipswich, United KingdomHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “With over 20 years of experience in the fibre industry, LastMile Fibre leads the way in designing and producing innovative products for fibre to the home (FTTH) and fibre to the…” Source: RevenueBase Database · checked Sep 19, 2026
19	Teropta	Strong evidence	Cossall, United KingdomHQ checked Sep 19, 2026	1-10	4 contacts →
	Strong evidence “Headquartered near Nottingham, UK, TerOpta is a British technology company, specialising in photonic communications R&D, optical device control for terrestrial and aerospace…” Source: RevenueBase Database · checked Sep 19, 2026
20	Ridgemount Technologies Limited	Strong evidence	Launton, United KingdomHQ checked Sep 19, 2026	11-50	4 contacts →
	Strong evidence “RIDGEMOUNT TECHNOLOGIES LIMITED is a UK based technology business that designs and manufactures fibre optic connectors and sub-systems to serve applications in the Telecom…” Source: RevenueBase Database · checked Sep 19, 2026
21	Switch SFP LTD	Indirect evidence	Cirencester, United KingdomHQ checked Sep 19, 2026	1-10	3 contacts →
	Indirect evidence “We're on your Wavelength!” Source: RevenueBase Database · checked Sep 19, 2026
22	EPS Global LTD	Indirect evidence	Brighton, United KingdomHQ checked Sep 19, 2026	201-500	3 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
23	Mode Black LTD	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	1-10	3 contacts →
	Strong evidence “Mode Black is developing an exceptionally compact form of Free Space Optics (FSO) that will allow covert communications between personnel and mobile platforms in hostile EW…” Source: RevenueBase Database · checked Sep 19, 2026
24	Datatronix	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	2 contacts →
	Indirect evidence “We create the infrastructure that connects people and technologies through every evolution.” Source: RevenueBase Database · checked Sep 19, 2026
25	Giganet Networking Solutions UK Limited	Partial evidence	Leicester, United KingdomHQ checked Sep 19, 2026	11-50	2 contacts →
	Partial evidence “GIGANET is a high-quality, high-performance brand with solutions on Copper systems and Fiber systems with integrated Data center solutions – designed and manufactured to…” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: optical communication systems companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names optical communication systems companies.
Partial evidence: Its own public description names part of optical communication systems companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name optical communication systems companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 63 optical communication systems companies based in the United Kingdom

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Optical communication systems companies based in the United Kingdom at a glance

As of Sep 19, 2026

33.6%Verified-email coverage

10.9Average contacts per company

11-50Median size (employees)

17.5%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 63 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 optical communication systems companies, 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 “optical communication systems companies”. 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 optical communication systems companies), 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 optical communication systems companies, 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, 230 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 19, 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 optical communication systems companies, 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 optical communication systems companies are there based in the United Kingdom?

RevenueBase identified 63 optical communication systems companies 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?

Splicegroup, headquartered in Drighlington, tops this list with the largest team on record.

Which city has the most optical communication systems companies?

London leads with 11 headquartered companies, followed by Leicester (3) and Milton Keynes (3).

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 230 verified decision-maker contacts tracked across these 63 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 19, 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.