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Companies Using C# in United Kingdom

3,072 companies are hiring C# talent in United Kingdom, with 12,814 open roles.

3,072
Companies
12,814
Open Roles

C# is Microsoft's primary language for building enterprise applications, web services, and Windows-based software. Companies hiring C# developers are typically mid-build on a proprietary platform or actively modernising legacy infrastructure — both scenarios that create immediate demand for cloud hosting, DevOps tooling, and third-party integrations. In the UK, C# hiring is heavily concentrated in financial services and software development, meaning the buyers behind these roles are often building regulated, transaction-critical systems.

Buying Signal

When a company posts C# roles, they're signalling active software development investment — not maintenance. That means budget is moving toward cloud infrastructure, testing frameworks, API management, and developer productivity tools. Vendors selling Azure services, CI/CD platforms, or enterprise security solutions should be prioritising any UK company with 3+ open C# roles right now.

Top Companies50 shown

CompanyIndustryHQ LocationSizeJobsLast SeenLinks
N
NHS
 Food and Beverage Services Greater London, United Kingdom 10,001+ 2,240 5w ago
Community Integrated Care
communityintegratedcare.co.uk
 Non-profit Organizations United Kingdom 5,001+ 120 6w ago
Practice Plus Group
practiceplusgroup.com
 Hospitals and Health Care United Kingdom 5,001+ 92 6w ago
Arm
arm.com
 Semiconductor Manufacturing Cambridge, United Kingdom 5,001+ 63 6w ago
Assystem
assystem.com
 Business Consulting and Services Courbevoie, France 5,001+ 55 6w ago
Haskoning
haskoning.com
 Civil Engineering Amersfoort, Netherlands 5,001+ 52 6w ago
Mace
macegroup.com
 Construction City of London, United Kingdom 5,001+ 49 6w ago
Element Materials Technology
element.com
 Manufacturing Greater London, United Kingdom 5,001+ 40 6w ago
Severn Trent
severntrent.com
 Utilities Coventry, United Kingdom 5,001+ 40 7w ago
Anglian Water Services
anglianwater.co.uk
 Utilities Huntingdonshire, United Kingdom 5,001+ 33 6w ago
Grant Thornton UK
grantthornton.co.uk
 Accounting Greater London, United Kingdom 5,001+ 31 6w ago
Allianz UK
allianz.co.uk
 Insurance Guildford, United Kingdom 5,001+ 30 7w ago
SLR Consulting
slrconsulting.com
 Environmental Services Greater London, United Kingdom 1,001–5,000 147 6w ago
Version 1
version1.com
 IT Services and IT Consulting Ireland 1,001–5,000 87 6w ago
Financial Conduct Authority
fca.org.uk
 Financial Services Greater London, United Kingdom 1,001–5,000 59 6w ago
EMCOR UK
emcoruk.com
 Facilities Services Ipswich, United Kingdom 1,001–5,000 58 6w ago
Kinaxia Logistics Limited
kinaxia.co.uk
 Transportation, Logistics, Supply Chain and Storage Macclesfield, United Kingdom 1,001–5,000 56 7w ago
Gov Facility Services Ltd (GFSL)
govfsl.com
 Facilities Services City of Westminster, United Kingdom 1,001–5,000 49 6w ago
McCurrach
mccurrach.co.uk
 Retail Glasgow, United Kingdom 1,001–5,000 44 6w ago
Lanes Group
lanesgroup.com
 Utilities Leeds, United Kingdom 1,001–5,000 42 6w ago
JOE & THE JUICE
joejuice.com
 Food and Beverage Services Copenhagen, Denmark 1,001–5,000 36 6w ago
Costain Group PLC
costain.com
 Civil Engineering Greater London, United Kingdom 1,001–5,000 35 6w ago
Cloudflare
cloudflare.com
 Computer and Network Security San Francisco, United States 1,001–5,000 34 6w ago
Columbus
columbusglobal.com
 Information Technology & Services Copenhagen, Denmark 1,001–5,000 33 2mo ago
Thrive Childcare and Education
thrivechildcare.com
 Education Musselburgh, United Kingdom 501–1,000 74 6w ago
System C
systemc.com
 IT Services and IT Consulting Stratford-on-Avon, United Kingdom 501–1,000 33 6w ago
Sizewell C
sizewellc.com
 Utilities East Suffolk, United Kingdom 201–500 41 6w ago
targetjobs UK
targetjobs.co.uk
 Technology, Information and Internet Greater London, United Kingdom 51–200 143 6w ago
Pathway CTM
pathwayctm.com
 Education Administration Programs Greater London, United Kingdom 11–50 45 7w ago
myGwork - LGBTQ+ Business Community
mygwork.com
 Technology, Information and Internet Greater London, United Kingdom 11–50 32 6w ago
Vrieservice
vrieservice.nl
 Telecommunications Drachten, Netherlands 2–10 47 7w ago
BAE Systems
baesystems.com
 Defense and Space Manufacturing Greater London, United Kingdom 10,001+ 176 6w ago
SS&C Technologies
ssctech.com
 Software Development Windsor, United States 10,001+ 108 4w ago
Gartner
gtnr.it
 Information Services Stamford, United States 10,001+ 102 6w ago
Balfour Beatty plc
balfourbeatty.com
 Construction Greater London, United Kingdom 10,001+ 81 6w ago
National Grid
nationalgrid.com
 Utilities Greater London, United Kingdom 10,001+ 81 6w ago
Pearson
pearson.com
 Education City of Westminster, United Kingdom 10,001+ 70 6w ago
Leonardo
leonardo.com
 Defense and Space Manufacturing Rome, Italy 10,001+ 60 6w ago
Egis
egis-group.com
 Civil Engineering France 10,001+ 49 6w ago
Kier Group
kier.co.uk
 Construction United Kingdom 10,001+ 46 6w ago
XPO
xpo.com
 Truck Transportation Greenwich, United States 10,001+ 44 4w ago
PwC UK
pwc.co.uk
 Accounting City of Westminster, United Kingdom 10,001+ 43 6w ago
Stryker
stryker.com
 Medical Equipment Manufacturing Kalamazoo, United States 10,001+ 41 6w ago
GXO Logistics, Inc.
gxo.com
 Transportation, Logistics, Supply Chain and Storage Greenwich, United States 10,001+ 37 6w ago
Specsavers
specsavers.com
 Retail Copenhagen, Denmark 10,001+ 37 6w ago
Tetra Tech Europe
tetratecheurope.com
 Business Consulting and Services Leeds, United Kingdom 10,001+ 37 6w ago
Legal & General
legalandgeneral.com
 Financial Services City of London, United Kingdom 10,001+ 31 6w ago
MBDA
mbda-systems.com
 Defense and Space Manufacturing Le Plessis-Robinson, France 10,001+ 30 6w ago
ServiceNow
servicenow.com
 Software Development Santa Clara, United States 10,001+ 30 6w ago
Zurich Insurance
zurich.com
 Insurance Zurich, Switzerland 10,001+ 30 1mo ago

3,072 companies use C#. Want the full list?

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

▲Market Signal

With over 17,400 open roles across nearly 4,700 companies, C# remains one of the most actively hired technologies in the UK market — this isn't a niche signal, it's a high-volume indicator of sustained enterprise software investment across multiple verticals.

⦿Stack Intelligence

C# hiring almost always co-occurs with .NET, Azure, and SQL Server — a stack that points to Microsoft-aligned enterprise buyers with existing licensing relationships and procurement patterns. For sales reps, this combination signals companies likely already spending on Microsoft 365, Azure AD, or Dynamics, making them warm prospects for adjacent tooling like data observability, API gateways, or managed database services.

C# Hiring Landscape

Where and how companies hire C# talent

By Industry

Software Development
667
Financial Services
336
IT Services and IT Consulting
314
Construction
141
Business Consulting and Services
148
Utilities
70
Technology, Information and Internet
152
Hospitals and Health Care
135

Top Roles

Software Engineer121Field Sales Representative120Senior Software Engineer102Customer Development Executive86Apprentice Educator79Business Development Manager61Support Worker59Class 1 Driver57Class 2 Driver56Account Executive49HGV Class 1 Driver46HGV Driver40

Related Technologies

.NETMicrosoft AzureSQL Server

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Frequently Asked Questions

What is C#?

C# is the dominant programming language for building enterprise software on Microsoft's technology stack. Businesses use it to build internal tools, customer-facing applications, and backend services. A company hiring C# talent is almost certainly in active development — not planning stages.

Why should sales teams track C# hiring?

C# hiring correlates directly with software build cycles, which means procurement for infrastructure, security, and dev tooling follows within 30 to 90 days. A sales team tracking these signals can engage buyers before RFPs are written.

Who should be selling to companies that use C#?

Cloud infrastructure providers, DevSecOps vendors, API management platforms, and enterprise database or data integration tools are best positioned to win deals with active C# hiring companies.