London skyline
Back to Directory
South East

IT Companies in London

Compare IT and cloud providers working in London. What the market looks like, how to narrow a very long shortlist, and when being local actually matters.

3149 Providers
Verified
Regularly updated

IT Providers in London

Showing 1849–1872 of 3149 providers in our directory

ASCENT DIGITAL SERVICES UK

London

View Profile

AscentiQ Solutions

London

Software Testing and QA services company in UK | We specialise in Agile Testing, Test automation, API, Web, and Mobile testing services and QA services

View Profile

ASCERTIA

London

Ascertia provides digital trust products and services for enterprises, governments and trust service providers, focusing on electronic signature solutions, PKI trust services and digital identity registration management. Its offerings include SigningHub, ADSS Signing Server, PKI-as-a-Service and related modules for signing, verification, timestamping and certificate lifecycle management, serving sectors such as government, banking, finance, insurance, legal and aviation.

View Profile

ASSET for Schools

London

ASSET for schools provides cloud-based assessment software for educational institutions, virtual schools, local authorities and multi-academy trusts. The platform tracks pupil progress, evaluates daily attendance patterns and delivers reporting on attainment and exclusions. The system integrates information management data to assist schools with statutory reporting, personal education planning, analytical reporting and quality assurance.

View Profile

Assignar

London

Field operations platform for construction and infrastructure businesses managing workforce and compliance.

View Profile

Ataccama UK

London

AI-powered data management platform providing master data management, data quality, and data governance capabilities.

View Profile

Atera

London

Atera provides an IT management platform incorporating remote monitoring and management, ticketing, help desk capabilities, patch management, network discovery, and artificial intelligence agents. The system automates technical incident resolution, device maintenance, and cloud administration. The software serves internal enterprise IT departments, managed service providers, and IT consultants.

View Profile

ATLANT 3D

London

ATLANT 3D is an advanced manufacturing company that develops the Digital Atomic Layer Processing (DALP) technology platform, enabling atomic-scale fabrication for microelectronics, photonics, MEMS and sensors, microfluidics, RF applications and printed electronics. The platform provides programmable hardware-software capability for R&D, prototyping and scalable manufacturing, combining zero-waste processing with semiconductor industry standard compatibility. ATLANT 3D serves research organisations and manufacturers in optics, photonics, solar cell production and semiconductor fabrication requiring atomic precision deposition and prototyping capability. The company offers what it describes as the first complete cycle of atomic-scale advanced manufacturing in a network-centric innovation ecosystem.

View Profile

Attention Insight

London

AI-powered visual attention prediction tool helping marketers optimise creative before production.

View Profile

Attest

London

Discover Attest: Unlock consumer insights across 59 countries, with transparent pricing & industry-leading data quality methods.

View Profile

Attomus

London

Attomus supports government, defence and regulated organisations on work that is complex, sensitive and technically unusual, requiring dependable execution in a higher-trust environment. The company is JOSCAR registered, meeting the pre-qualification standard used by defence, aerospace and security buyers, and has worked with the Home Office, Ministry of Defence, Boeing, Johnson & Johnson and BAE Systems. Its services cover cybersecurity assessment, resilience and incident response, delivery and recovery support for complex programmes, and discreet specialist support for sensitive environments. Attomus is typically engaged when clients need vetting, discretion and judgement beyond what a general supplier can provide.

View Profile

Atyeti

London

Atyeti is a technology partner to banks, capital markets firms, insurers and healthcare enterprises, pairing cloud, data and AI engineering with domain expertise. The company has delivered professional services for more than 18 years, supporting core modernisation for tier-one capital markets institutions including lending platforms such as Loan IQ, reconciliation, risk and regulatory compliance systems. It provides cloud services on AWS and Google Cloud, an internal developer platform framework called DevX-WAForge, agentic AI engineering, enterprise application development and testing, and offers onshore and offshore delivery across 16 countries. Atyeti holds ISO 27001:2022 certification for information security.

View Profile

Audioboom

London

Podcast platform and publisher ranked fifth globally by Edison Research with 100M monthly downloads.

View Profile

Audiostack (formerly Aflorithmic)

London

AI audio production platform automating personalised audio ads and podcast content at scale.

View Profile

Aula Education

London

Digital learning platform for universities combining course content, assessment and student engagement in one tool.

View Profile

AURA INFOTECH

London

View Profile

Aura Vision

London

AI computer vision analytics platform generating insights from retail security cameras.

View Profile

AVELLA SECURITY

London

Avella is a boutique Managed Security Service Provider (MSSP) that helps organisations reduce cyber risk and strengthen security resilience through services including cyber advisory, incident response, managed security, physical security, post-quantum cryptography, and security testing. It serves UK organisations, particularly those in Critical National Infrastructure (CNI), using a team of security experts including former commercial CISOs, ex-special forces/intelligence operatives, and senior advisors to central Government.

View Profile

Aventus Software

London

Custom software solutions

View Profile

AVINEON EUROPE

London

Avineon Tensing is a full-service geospatial partner that supports organisations in utilities, energy, government, agriculture and technology sectors by bringing data together to reveal insights, enabling smarter and more sustainable decisions through geospatial intelligence integration, data management, and professional services including FME and ArcGIS solutions.

View Profile

Avocado

London

Zero-trust network segmentation platform replacing legacy firewalls with application-layer controls.

View Profile

Avvoka

London

Legal document automation platform combining automation, AI and firm precedents to accelerate document drafting.

View Profile

AWAKEN LEARNING

London

Awaken Software provides e-learning, LMS and training solutions, incident reporting and investigation tools, risk management software and ergonomic support services. The company serves global financial companies, government agencies, higher education institutions and private sector clients including not-for-profit organisations, offering cloud-based SaaS platforms with user-friendly interfaces, interactive reporting and customisable content for compliance needs.

View Profile

AXIS12

London

View Profile

Based in London?

Get listed and reach businesses in South East looking for IT services.