IT Companies in London

DAINTTA

London

Daintta Ltd provides technical and business partnership services to public sector organisations, focusing on data intelligence, cyber security, networks and communications, and advanced cyber security software. It supports clients in developing cyber security strategies, data strategies, and data science capabilities, particularly for UK government agencies and healthcare providers.

Damson Cloud

London

Damson Cloud provides Google Workspace consultancy, migration, support, and training services. It delivers cloud workspace implementation, data security solutions, change management, and transformation workshops to assist organisations and businesses of all sizes with their performance, internal technology systems, and software consolidation requirements.

Dash

London

Digital asset management platform designed for marketing teams to organise and distribute brand assets.

Data Doctor

London

Data Doctor is a Central London data recovery company serving individuals, businesses and multinational corporations across the UK. With over 20 years' specialised experience, its technicians recover data from hard drives, SSDs, servers, NAS systems, USB flash drives, backup tapes and memory cards affected by logical, mechanical or electrical failure. Recovery is performed in an in-house anti-static cleanroom across Windows and Mac systems, with free consultation and pickup.

DATA LANGUAGE (UK)

London

Data Graphs provides a governed semantic foundation for enterprise AI through its Agentic AI Data Platform and high-performance graph database, enabling consistent, relationship-rich context for AI systems. It serves enterprises in sectors including AgriTech, Healthcare & Pharma, Manufacturing, Government & Public Sector, and others by offering solutions such as Digital Product Passports, Digital Labeling for AgriGuide, and Schema-driven hybrid RAG to support compliance, traceability, and AI-driven decision-making.

Datacat

London

Datacat Network Solutions provides network cabling installation services, including CAT6, CAT6A, and Fibre Optic options. Serving businesses, IT providers, and education centres, the organisation delivers comms room services, tailored wireless networking, cloud-based CCTV, and access control solutions across the UK.

Datadog UK

London

Cloud observability and security platform covering infrastructure monitoring, APM, log management, and digital experience monitoring.

DATALYNX

London

Datalynx provides data migration, integration and data management solutions to clients in public, corporate and software sectors. They deliver bespoke strategies and services securely using robust methodologies for controlled, seamless and timely delivery of data products. Their work includes on-site data migration projects for organisations such as North Wales Police and Capgemini.

Datasine

London

AI creative intelligence platform predicting how audiences will respond to marketing creative before launch.

dbt Labs UK

London

Data transformation platform enabling analytics engineers to transform data in warehouses using SQL and software engineering practices.

Deblock

London

Forget your bank account: Get an IBAN, a Debit Card and a Non-custodial Crypto wallet. Deposit any Crypto on your current account. Exchange Euro and Crypto without any limit.

Debricked UK

London

Open-source security and licence compliance platform for automated SCA in CI/CD pipelines.

DECILLION DIGITAL

London

Decision Focus

London

Decision Focus is a no-code governance, risk and compliance software platform, founded and headquartered in Denmark with a UK office in London. Its platform covers audit, risk, compliance, governance, third-party risk, information security and operational resilience, supporting regulations including GDPR, DORA, ISO 27001 and the EU AI Act.

DEECON CONSULTING

London

Deecon Consulting provides commercial assurance, procurement, research and strategy, technology, and transformation services to clients in defence, aerospace, security, energy, utilities, finance, gas networks, public sector, and telecommunications. They deliver data-driven insights, supply chain optimisation, cost savings, and project management to support strategic decision-making and operational efficiency across public and private sectors.

Deepfence UK

London

Open-source cloud-native security platform providing runtime threat detection and attack path visualisation.

DeepHealth

London

Discover how Kheiron's Artificial Intelligence solutions and AI platform for breast screening help radiologists detect cancer earlier

DeepInspire

London

DeepInspire is a boutique software development company with deep fintech expertise. We provide outstanding software solutions by addressing both technology and business challenges.

DeepMind

London

Alphabet's AI research lab pioneering AlphaFold, AlphaGo, and Gemini large language model development.

Deepomatic

London

Computer vision platform automating quality control and operations inspection for field service industries.

DEFENDED SOLUTIONS

London

Defended Solutions provides sovereign cloud architecture, security assurance, deployment, ongoing technical support and technology leadership. The organisation serves defence sector organisations, defence primes, small and medium-sized enterprises, Ministry of Defence supply chain organisations, critical national infrastructure operators and regulated commercial organisations operating in sensitive environments.

Definely

London

Legal technology platform embedding in Microsoft Word to help lawyers navigate complex documents more efficiently.

Deku Solutions

London

Deku Solutions provides ICT support across education and business sectors, covering CCTV, access control, WiFi and networking alongside core IT needs. The company installs and tests hardware and software, and holds Microsoft Certified status for Microsoft 365 licensing, setup and support, including Teams. Deku Solutions carries out IT audits, advising on the management and auditing of ICT resources, and installs both physical servers and cloud-based services. The company has been a D-Link Gold Partner for more than 15 years, supplying switches, CCTV cameras and wireless access points including WiFi 7, and has been a Lenovo partner since 2014 and a Microsoft partner.

Delimiter

London

Delimiter is a data analytics consultancy that builds and optimises intelligent data analytics using technologies including Qlik, AWS, Microsoft Azure and Alteryx. Its expertise spans data strategy reviews, cloud migration, data engineering, data visualisation and data science, supporting businesses through each stage of a data project. The company describes its heritage as rooted in UK consultancy and data analytics vendor work, with consultants bringing experience across multiple sectors and a track record of hundreds of completed projects and deployments.