Salience Labs
saliencelabs.ai
Actively hiring
Optical Communications
Optics & Photonic Components
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People
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Financials
Funding and backers
Total raised
$53M
3 rounds on record
Latest round
$30M
Series A · Feb 2025 · 19 mo ago
Team
33
UK accounts · Dec 2025 · +43% in a year
Hiring now
8
+8 posted in 30 days
Backers
2
Silicon Catalyst, Oxford Science Enterprises
The money's age
Due for its next round
19 months since the last round · and hiring
Momentum
55/100
hiring for its size, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Mar 12
Partnership Salience Labs and Keysight Collaborate to Develop First Optical Circuit Switch Testing Environment · saliencelabs.ai
Mar 10
Launched Salience Labs Launches Industry's Highest Performing 32-Port All-Optical Silicon Photonic Switch to Transform the Networking Layer of AI Datacenter I… · saliencelabs.ai
2025
Team of 33 was 23 · UK accounts
Feb 6, 2025
Raised a round Series A $30M · led by Applied Ventures
Apr 19, 2023
New executive Salience Labs appoints former Imagination Technologies CPO to lead productization of multi-chip photonics processor for AI · businesswire.com
Dec 5, 2022
Raised a round Seed $11.5M · FinanzNachrichten.de
May 16, 2022
Raised a round Venture round $11.5M
Nov 20, 2020
Founded per the company register
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series A | Feb 2025 | $30M | Applied Ventures lead, ICM HPQC Fund lead | streetinsider.com |
| Seed | Dec 2022 | $11.5M | — | FinanzNachrichten.de |
| Venture round | May 2022 | $11.5M | — | optics.org |
Registers and programsofficial lists and records that name the company
| Legal entity | SALIENCE LABS LTD | Companies House |
| Registered | 20 Nov 2020 |
Backed byfrom the funds' portfolios and accelerator catalogs
Silicon Catalyst 
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A cutting-edge European company with the ability to deliver standard and customized optical fiber solutions in any quantity worldwide.
Overview
Engineering the Future of Optical Infrastructure We are Salience Labs A multi-disciplinary team advancing silicon photonics, digital electronics, embedded software, and machine learningto shape the future of optical networking.
News
Salience Labs showcases 64-port OCS at ECOC 2026
At ECOC Exhibition, September 21-23 in Málaga, Spain, Salience Labs is unveiling its latest All-Optical Circuit Switch (OCS) technology with a demonstration of its 64-port silicon photonic OCS at Stand #2010. In addition to the live demonstration, Max Thu
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Salience Labs and Keysight Collaborate to Develop First Optical Circuit Switch Testing Environment
Joint solution will be showcased at OFC Conference, demonstrating the value of optical technology for AI workloads… Source
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- Company Announcement - FT.com
The latest company information, including net asset values, performance, holding & sectors weighting, changes in voting rights, and directors and dealings.
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Salience Labs Launches Industry's Highest Performing 32-Port All-Optical Silicon Photonic Switch to Transform the Networking Layer of AI Datacenter Infrastructure
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Salience Labs Launches Industry's Highest Performing 32-Port All-Optical Silicon Photonic Switch to Transform the Networking Layer of AI Datacenter Infrastructure
OXFORD, England, March 10, 2026--Salience Labs Limited, a leader in photonic solutions targeting connectivity for AI datacenter infrastructure, today announced the availability of the industry's highest performing all-optical 32-port switch. Designed to u
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Salience Labs and Tower Semiconductor Partner to Manufacture At-Scale Optical Circuit Switches for Next-Generation Data Centers
Salience Labs innovative architecture leverages Tower's differentiated Silicon Photonics platforms to deliver ultra-low latency, high-bandwidth and lower-power optical connectivity for AI clusters
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Report
Salience Labs and Tower Semiconductor Partner to Manufacture At-Scale Optical Circuit Switches for Next-Generation Data Centers
Salience Lab's Innovative Architecture leverages Tower's differentiated Silicon Photonics platforms to deliver ultra-low latency, high-bandwidth and lower-power optical connectivity for AI clusters
Read more
Report
Salience Labs and Tower Semiconductor Partner to Manufacture At-Scale Optical Circuit Switches for Next-Generation Data Centers
Salience Lab's Innovative Architecture leverages Tower's differentiated Silicon Photonics platforms to deliver ultra-low latency, high-bandwidth and lower-power optical connectivity for AI clusters MIGDAL HAEMEK, Israel, and OXFORD, England, February 25,
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Salience Labs goes all-in on all-optical networking with photonics switches for AI infrastructure
Oxfordshire-headquartered Salience Labs is hoping to tap into a market that some analysts say could represent as much of a leap in computing power as the emerging field of quantum itself does. Source
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Tech stack
Technologies named in job postings at Salience Labs over the last 12 months, by layer, with the share of postings for each.
Technologies in use
5
Postings analysed
5
Stack modernity
72/100
Languages
Python
Frameworks & libraries
NumPy
SciPy
Developer tools
SolidWorks
Practices & domains
Machine Learning
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Growth
Hiring Momentum
28/100
Slowing
Open positions
8
0 opened / 0 closed in 30 days
ATS activity
Every ~13 hours
Today
Hiring Dynamics
0%
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.
Industrial Engineering
63% ▲
DevOps
13% ▲
Hardware
13% ▲
Finance
13% ▲
Actively hiring for Industrial Engineering (+5 in 30 days)
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
1
Busiest office
Oxford
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Headquarters
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Thame
United Kingdom
HQ
Oxford
United Kingdom
Plant / site
7 open roles 7 posted in 90 days 29% engineering 50-200 est. staff
hires for Industrial Engineering, DevOps, Hardware
Jobs
≈ $49k – $119k per year (Estimated) • Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • Oxford
Python
Machine Learning
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