IT Companies in London

Carrington Blake (Esphr)

London

Employment law and HR technology platform combining legal advice with case management software.

CATAPULT CX

London

causaLens

London

causaLens provides digital knowledge workers, software platforms and templates to automate repetitive business workflows and processes. It supports enterprises across multiple sectors, including retail, financial services, pharmaceuticals, and technology, as well as business functions such as finance, compliance, procurement, and marketing.

Causaly

London

Causaly is the only platform that combines advanced AI and a high-precision knowledge graph to reduce risk and increase R&D productivity at scale.

CENIGMA

London

CENIGMA provides expert technology solutions and services to drive innovation, serving as a strategic partner for a broad range of organisations in both public and private sectors, large and small. They deliver digitally enabled business transformation through proven methodologies and a customer-centric approach, offering digital strategy, application development, and technology outsourcing to help clients understand, envision, and implement digital transformation across their organisation using clear roadmaps and tailored solutions.

Census Labs UK

London

Census Labs UK delivers cybersecurity engineering services across cloud, device, web and mobile platforms. Three core practices cover security assessment across these platforms, secure system design through hardware architecture, encryption protocols and secure APIs, and hardened build through secure enclave, SecureComms libraries and confidential computing containers. The firm conducts vulnerability research using fuzzing, reverse engineering and code analysis. Tiger Team operations test security across technology, personnel, processes and physical facilities. Products include Golden Eagle and the Cryptellum post-quantum cryptography library.

Century Tech

London

AI-powered learning platform personalising education for students and reducing teacher workload.

Cequence Security UK

London

API and application security platform protecting against business logic abuse, fraud, and bot attacks at runtime.

Cetdigit

London

Accelerate business goals with our CRM implementation on Salesforce and HubSpot. Boost conversions with design and integration services.

Cezanne HR

London

Cloud-based HR software solution trusted by thousands of HR and payroll professionals across the UK and Europe.

CFone Communications

London

CFone Communications delivers VoIP phone systems, broadband internet, cloud communication tools, and two-way radios. Serving businesses, education institutions, healthcare organisations, and hospitality providers across the UK, the company supplies hosted telecommunication solutions, enterprise phone hardware, and 24/7 live technical support.

Chainalysis

London

Chainalysis provides the blockchain data platform used by government agencies, cryptocurrency exchanges and financial institutions to investigate illicit activity, manage compliance and prevent fraud. The platform covers transaction monitoring, workflow automation for regulatory, tax and compliance use cases, and protocol security for crypto businesses. Nine of the top ten cryptocurrency exchanges use Chainalysis, and more than 50 regulators worldwide use its data. Over 1,500 customers participate in its shared intelligence community, and Chainalysis data has supported the seizure, freezing or recovery of $34 billion in illicit funds.

Champion Health

London

Workplace health platform providing personalised mental, physical, and financial wellbeing tools with actionable insights for HR.

Channel Advisor UK

London

Ecommerce platform helping retailers optimise product listings and advertising across marketplaces.

CharlieHR

London

HR software platform built for small UK startups and businesses with up to 50 people.

Checkov UK

London

Open-source IaC security scanning tool detecting misconfigurations in Terraform, CloudFormation, and Kubernetes files.

CHEETAH TRANSFORMATION

London

Cheetah Transformation is a Smartsheet Platinum Partner providing consultancy, training, onboarding, solution build, optimisation, maintenance and associated project and change management services. They serve organisations across industries including renewable energy, retail, public sector, higher education, marketing and creative, rail, construction and real estate, and pharmaceutical sectors.

Chip

London

AI-powered savings and investment app automatically moving spare cash into high-interest accounts.

CHKS

London

CHKS provides healthcare accreditation, quality assurance and benchmarking services to NHS trusts and healthcare organisations across the UK and internationally. Services include ISO certification, ISO 7101 healthcare organisation management accreditation, assurance programmes, benchmarking systems, business intelligence integration for integrated care systems, and clinical coding covering AI coding, remote coding, training and mentoring.

CHR Solutions

London

CHR Solutions provides capability building strategy and resourcing solutions to public, private and third sector organisations. The organisation helps clients build their people and skills capability through attraction, development and retention. Services include supplying subject matter expertise for specialist niche requirements as well as large scale and global transformation programmes.

Chronosphere UK

London

Cloud-native monitoring platform supercharging Prometheus and OpenTelemetry with cost controls and SLO management.

Cigniti

London

Cigniti, a Coforge company, provides digital assurance, engineering and software testing services that help global enterprises accelerate digital transformation. The company has assured more than 10,000 applications, delivered over one million automation scripts, and works with more than 60 Fortune 500 companies across banking, retail and e-commerce, healthcare and life sciences, and airlines. Cigniti reports saving clients more than 500 million dollars and enabling over 3 billion dollars in daily transactions through its testing and quality engineering work, including scaling application security for an auto-financing client and delivering 50 percent faster testing for a connected medical devices business.

CIMAR (UK)

London

CIMAR provides cloud-based medical image management solutions, including image sharing, workflow automation, and vendor-neutral archive services, tailored for healthcare organisations in the UK and globally. Their platform supports radiology, cardiology, ophthalmology, and other specialties, enabling secure, real-time access to imaging data for clinicians and healthcare providers without requiring VPNs or physical media.

Cinapsis

London

Clinical communication platform enabling GPs to connect instantly with hospital specialists for advice and triage.