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Companies Using OpenAI in United Kingdom

203 companies are hiring OpenAI talent in United Kingdom, with 500 open roles.

203
Companies
500
Open Roles

OpenAI is the API layer behind most commercial AI product development right now — companies hiring for it are building GPT-powered features, internal copilots, or customer-facing AI agents directly into their products. In the UK, 216 companies are actively recruiting for OpenAI skills, which signals active build phases rather than exploratory pilots. These companies almost certainly have immediate needs for vector databases, AI observability tooling, cloud infrastructure, and developer productivity platforms.

Buying Signal

When a company posts for an AI Engineer with OpenAI experience, they're not evaluating the technology — they're already committed to it and scaling. That means budget has been approved for surrounding infrastructure: API cost management tools, security and compliance layers, and LLM monitoring solutions. Sales reps at MLOps platforms, cloud vendors, and data pipeline companies should be treating these job posts as purchase-intent signals, not early awareness indicators.

Top Companies49 shown

CompanyIndustryHQ LocationSizeJobsLast SeenLinks
C
Capgemini Invent
 Business Consulting and Services City of London, United Kingdom 10,001+ 35 7w ago
Convatec
convatecgroup.com
 Medical Equipment Manufacturing City of Westminster, United Kingdom 5,001+ 4 2mo ago
Databricks
databricks.com
 Software Development San Francisco, United States 5,001+ 3 2mo ago
DEPT®
deptagency.com
 Advertising Services Amsterdam, Netherlands 1,001–5,000 27 7w ago
Perk
perkcanada.com
 Technology, Information and Internet Boston, United States 1,001–5,000 8 2mo ago
FDJ UNITED
fdjunited.com
 Gambling Facilities and Casinos Vitrolles, France 1,001–5,000 2 1mo ago
Insider One
insiderone.com
 Software Development 1,001–5,000 2 3mo ago
Kainos
kainos.com
 IT Services and IT Consulting Belfast, United Kingdom 1,001–5,000 2 2mo ago
Klaviyo
klaviyo.com
 Marketing Services Boston, United States 1,001–5,000 2 2mo ago
Ironclad
ironcladapp.com
 Technology, Information and Internet San Francisco, United States 501–1,000 6 7w ago
Redis
redis.io
 Software Development Mountain View, United States 501–1,000 3 2mo ago
Bauer Media Outdoor UK
bauermediaoutdoor.com
 Advertising Services Greater London, United Kingdom 501–1,000 2 2mo ago
Good Chemical Science&Technology Co.Ltd.
highnic.com.cn
 Chemical Manufacturing 501–1,000 2 1mo ago
Cleo
meetcleo.com
 Financial Services Greater London, United Kingdom 201–500 77 7w ago
Zip
ziphq.com
 Software Development San Francisco, United States 201–500 7 2mo ago
Anyscale
anyscale.com
 Software Development San Francisco, United States 201–500 5 7w ago
Codurance
codurance.com
 IT Services and IT Consulting Greater London, United Kingdom 201–500 3 3mo ago
FSP
fsp.co
 IT Services and IT Consulting United Kingdom 201–500 3 2mo ago
Ashby
ashbyhq.com
 Software Development San Francisco, United States 201–500 2 2mo ago
Faculty
faculty.ai
 Technology, Information and Internet Greater London, United Kingdom 201–500 2 1mo ago
Tomoro
tomoro.ai
 Professional Services Greater London, United Kingdom 51–200 11 3mo ago
Goodstack
goodstack.io
 Software Development City of London, United Kingdom 51–200 4 2mo ago
ClearRoute
clearroute.io
 IT Services and IT Consulting Greater London, United Kingdom 51–200 3 2mo ago
AI Security Institute
aisi.gov.uk
 Government Administration 51–200 2 2mo ago
Curve Analytics
curveanalytics.co.uk
 Business Consulting and Services City of London, United Kingdom 51–200 2 2mo ago
incident.io
incident.io
 Software Development San Francisco, United States 51–200 2 7w ago
Lendable
lendable.co.uk
 Financial Services City of London, United Kingdom 51–200 2 1mo ago
Reflection AI
reflection.ai
 Software Development San Francisco, United States 11–50 13 2mo ago
Kernel
kernel.ai
 Software Development 11–50 11 7w ago
Magentic
magentic.com
 Software Development 11–50 8 7w ago
Stacks
stacks.ai
 Software Development Greater London, United Kingdom 11–50 8 2mo ago
Ankar AI
ankar.ai
 Software Development Greater London, United Kingdom 11–50 7 1mo ago
Odin
joinodin.com
 Venture Capital and Private Equity Principals City of London, United Kingdom 11–50 6 7w ago
Foundation Health
foundationhealth.com
 Technology, Information and Internet San Francisco, United States 11–50 4 3mo ago
OhChat
ohchat.com
 Technology, Information and Internet 11–50 4 3mo ago
Clarity
onclarity.com
 Software Development Greater London, United Kingdom 11–50 3 3mo ago
WeBuild-AI
webuild-ai.com
 IT Services and IT Consulting Greater London, United Kingdom 11–50 3 2mo ago
Auquan
auquan.com
 Financial Services Greater London, United Kingdom 11–50 2 3mo ago
Capsa AI
capsa.ai
 Technology, Information and Internet Greater London, United Kingdom 11–50 2 7w ago
DolarApp
dolarapp.com
 Financial Services Mexico City, Mexico 11–50 2 2mo ago
Hamming AI
hamming.ai
 Technology, Information and Internet San Francisco, United States 11–50 2 6mo ago
Apollo Research
apolloresearch.ai
 Technology, Information and Internet Greater London, United Kingdom 2–10 2 3mo ago
AXA UK
axa.co.uk
 Financial Services City of London, United Kingdom 10,001+ 5 7w ago
Outlier
outlier.ai
 Technology, Information and Internet San Francisco, United States 10,001+ 5 2mo ago
Boston Consulting Group (BCG)
bcg.com
 Business Consulting and Services Boston, United States 10,001+ 3 2mo ago
PwC UK
pwc.co.uk
 Accounting City of Westminster, United Kingdom 10,001+ 3 3mo ago
Analog Devices
analog.com
 Semiconductor Manufacturing Wilmington, United States 10,001+ 2 6w ago
Atos
atos.net
 IT Services and IT Consulting Bezons, France 10,001+ 2 2mo ago
FactSet
factset.com
 Financial Services Norwalk, United States 10,001+ 2 2mo ago

203 companies use OpenAI. Want the full list?

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Companies with open OpenAI roles in United Kingdom. Company HQ may be in a different location.

▲Market Signal

521 open roles across 216 UK companies suggests OpenAI adoption has moved well past early-adopter territory and into mainstream engineering investment. The ratio of roughly 2.4 roles per company indicates most are building dedicated AI teams, not just assigning one engineer to experiment.

⦿Stack Intelligence

Companies hiring for OpenAI alongside LangChain, Hugging Face, and Anthropic are running multi-model strategies — they're not locked into a single provider and are likely evaluating or already paying for competing APIs simultaneously. Python dominance across these stacks points to data-heavy teams where data engineering and ML infrastructure vendors have a natural entry point. This combination signals technical maturity and higher-than-average AI tooling spend.

OpenAI Hiring Landscape

Where and how companies hire OpenAI talent

By Industry

Software Development
58
Financial Services
23
Technology, Information and Internet
27
IT Services and IT Consulting
29
Advertising Services
3
Business Consulting and Services
11
Professional Services
4
Research Services
1

Top Roles

AI Engineer16Senior AI Engineer8AI Architect6Senior Software Engineer6Full Stack Engineer4Principal AI Engineer4UK Applied AI Solution Engineer4UK Senior Applied AI Solution Engineer4AI and Machine Learning Engineer3Lead AI Engineer3Payroll Specialist3Pre-Sales AI Solution Designer3

Related Technologies

LangChainPython

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Frequently Asked Questions

What is OpenAI?

OpenAI provides the AI models — including GPT-4 and o-series — that companies integrate into products, workflows, and internal tools via API. For sales teams, a company hiring OpenAI talent means they have an active, funded AI development programme underway.

Why should sales teams track OpenAI hiring?

OpenAI hiring is one of the clearest signals that a company is in active AI build mode, meaning complementary vendor budgets are open. An SDR at a cloud security or API management company should be running searches on these 216 UK companies this week.

Who should be selling to companies that use OpenAI?

Vendors best positioned here include cloud infrastructure providers (AWS, GCP, Azure), LLM observability and monitoring platforms, vector database companies, and enterprise data security solutions.