Fractile
fractile.ai
Actively hiring
AI Compute & Inference
AI Chips & Accelerators
Processors, MCUs & AI Chips
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$15M
9 rounds on record
Latest round
Venture round
Sep 2026 · this month
Team
40
UK accounts · Dec 2025 · +135% in a year
Hiring now
33
+3 posted in 30 days
Backers
4
01 Advisors, Felicis
The money's age
Fresh money
0 months since the last round · and hiring
Momentum
49/100
hiring for its size, a new city, in the news, fresh money
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
Oct 13
First role in Taiwan Semiconductor Product Engineer
Sep 30
Raised a round Venture round
Jan 14
Raised a round Venture round
2025
Team of 40 was 17 · UK accounts
Sep 24, 2025
Raised a round Venture round
May 6, 2025
Raised a round Venture round
Jan 31, 2025
Raised a round Venture round
Jul 25, 2024
Raised a round Seed $15M
Jun 10, 2024
Raised a round Venture round
Jan 29, 2024
Raised a round Venture round
Mar 9, 2023
Raised a round Venture round
May 31, 2022
Founded per the company register
Tractionpublic signals, read monthly
Web presence
top 5%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Sep 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jan 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Sep 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | May 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jan 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Seed | Jul 2024 | $15M | — | design-reuse.com |
| Venture round | Jun 2024 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jan 2024 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Mar 2023 | — | — | find-and-update.company-information.service.gov.uk |
Registers and programsofficial lists and records that name the company
| Legal entity | FRACTILE LTD | Companies House |
| Registered | 31 May 2022 |
Backed byfrom the funds' portfolios and accelerator catalogs
01 Advisors 
Felicis 
gigascale 
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How Fractile hires
Truth index
A 93/100
Median time to fill
195 days
Ghost roles
3%
Stale roles
0%
Reposted roles
0%
Fractile scores A on the Alion truth index (A is best, E worst), measured over 33 open roles re-checked against its own hiring board: 3% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 195 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Fractile is a London semiconductor company founded in 2022 that designs chips for large language model inference. Its in-memory computing architecture aims to remove the memory bottleneck that limits how fast transformer models can run. The company is backed by prominent artificial intelligence investors including a NVIDIA venture arm.
News
Bloomberg: UK AI chips start-up Fractile could raise $600m
UK AI hardware start-up Fractile is in talks to raise funding of around $600m at a pre-money valuation of $6.5bn, according to Bloomberg.
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Report
Fractile in talks to raise at a $6.5bn valuation
British AI-chip startup Fractile is in talks to raise at a $6.5bn valuation, Bloomberg reports, six times its May price, after a deal to supply Anthropic.
Read more
Report
Fractile.ai获B轮投资_腾讯新闻
2026年5月13日英国AI芯片研发商Fractile.ai宣布完成B轮融资本轮融资由Accel、Factorial Funds和Founders Fund联合投资此次融资将主要用于加速Fractile.ai在新型AI芯片研发领域的创新以解决当前AI技术在计算和存储方面的瓶颈问题Fractile.ai是一家专注于开发新型AI芯片的英国公司致力于通过技术创新提升AI芯片的...
Read more
Report
Fractile: $220 Million Raised To Build Next-Generation AI Inference Hardware
Fractile announced it has raised $220 million to accelerate the development of a new generation of inference hardware designed to dramatically increase the speed and efficiency of frontier AI systems.
Read more
Report
Anthropic in talks to secure UK-based Fractile AI chips and diversify supply
Anthropic is reportedly in discussions to procure high-performance AI chips from Fractile, a London-based start-up. The agreement aims to diversify the hardware supply chain of the Claude creator, namely away from Nvidia.View on euronews
Read more
Report
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Tech stack
Technologies named in job postings at Fractile over the last 12 months, by layer, with the share of postings for each.
Technologies in use
58
Postings analysed
38
Stack modernity
70/100AI adopter
Languages
Python39%
C++32%
Rust29%
SystemC21%
Frameworks & libraries
SGLang11%
UVM11%
Cocotb11%
Apache TVM5%
Cloud & platforms
Linux21%
vLLM11%
CUDA Toolkit5%
Grafana5%
AI & ML
LLM11%
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Full Fractile tech stack
58 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
64/100
Growing
Open positions
33
2 opened / 6 closed in 30 days
Median time-to-fill
196 days
faster than 8% 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.
Backend
27% ▲
Hardware
18% ▼
Industrial Engineering
18% ▲
AI/ML
9% ▼
DevOps
9% ▼
Leadership
9% ▼
Activity Timeline
New location: Taiwan
Oct 2026
Added Windows to stack
Sep 2026
Added Machine Learning to stack
Sep 2026
Added TCP/IP to stack
Sep 2026
Added Linux to stack
Sep 2026
Added LDAP to stack
Sep 2026
Added DNS to stack
Sep 2026
Added Xero to stack
Sep 2026
Added Microsoft Excel to stack
Sep 2026
Added Pulumi to stack
Sep 2026
Added OpenTofu to stack
Sep 2026
Added Go to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
London
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
London
United Kingdom
HQ
Bristol - The Crescent
17 open roles 7 posted in 90 days 88% engineering 10-50 est. staff
hires for Hardware, Backend, AI/ML
Bristol
United Kingdom
Engineering / R&D
Bristol - The Crescent
34 open roles 7 posted in 90 days 76% engineering 10-50 est. staff
hires for Hardware, Industrial Engineering, Backend
Jobs
Apply
≈ $76k – $185k per year (Estimated) • In office • London • Bristol
Python
Rust
C++
PyTorch C++
AI/ML
CUDA Toolkit
JAX
OpenCL
PyTorch
LLM
CUDA
ROCm
Apply
≈ $76k – $185k per year (Estimated) • In office • London • Bristol
Python
Rust
C++
PyTorch C++
AI/ML
CUDA Toolkit
JAX
OpenCL
PyTorch
LLM
CUDA
ROCm
Apply
≈ $61k – $171k per year (Estimated) • In office • 3+ years exp • Bristol
Linux
Apply
≈ $71k – $159k per year (Estimated) • In office • London • Bristol
Python
Terraform
Ansible
Zabbix
Prometheus
SLURM
Docker
Kubernetes
Apply
≈ $167k – $277k per year (Estimated) • Hybrid • London • Bristol
Rust
LLM
DevOps
RTOS
Linux
Cybersecurity
SBOM
SLSA
Apply
≈ $90k – $196k per year (Estimated) • Hybrid • London • Bristol
C++
LLM
MLIR
Apache TVM
Machine Learning
Apply
≈ $79k – $153k per year (Estimated) • In office • 3+ years exp • London • Bristol
Rust
Linux
Apply
≈ $106k – $197k per year (Estimated) • In office • 4+ years exp • London • Bristol
C++
MLIR
Apache TVM
Machine Learning
Apply
≈ $93k – $177k per year (Estimated) • In office • 3+ years exp • London • Bristol
Rust
RTOS
Linux
Apply
≈ $72k – $124k per year (Estimated) • In office • 5+ years exp • London
Python
Go
Rust
C++
SystemVerilog
Terraform
OpenTofu
Prometheus
Pulumi
CI/CD
Grafana
Bazel
Incident Management
Apply
Apply
Financials
Total raised
$15M
Latest round
Venture - Series Unknown
Funding rounds
9
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2026 | — | Details |
| Venture - Series Unknown | 2026 | — | Details |
| Venture - Series Unknown | 2025 | — | Details |
| Venture - Series Unknown | 2025 | — | Details |
| Venture - Series Unknown | 2025 | — | Details |
| Seed | 2024 | $15M | Details |
| Venture - Series Unknown | 2024 | — | Details |
| Venture - Series Unknown | 2024 | — | Details |
| Venture - Series Unknown | 2023 | — | Details |