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

List Your Business Claim Listing

IT Providers in London

Showing 2329–2352 of 3149 providers in our directory

ILL IT Solutions

London

Family-run IT support in Chadwell Heath, Romford (Essex). PC & laptop repairs, upgrades, virus removal & data recovery. Book online or call 0208 599 7771.

ILLUME SECURITY

London

Illume Security provides penetration testing and security assurance services to organisations across the UK. Its offerings include network, web application, and API testing, alongside red team exercises, social engineering, cloud security assessments, and Active Directory password auditing. The CREST-accredited firm helps legal, accounting, manufacturing, fintech, food, beverage, and construction clients identify cyber vulnerabilities.

ILLUMINET SOLUTIONS

London

Illuminet Solutions Ltd is a global business efficiency company providing IT transformation, change, automation, and AI capabilities for large and small organisations. It delivers services through highly skilled teams, specialising in IT architecture, AI, data sciences, automation, software engineering, and virtual bench expertise to support client transformation and skills development.

IMIN

London

imin builds data infrastructure and operations tools for the leisure and fitness sector, providing timetable intelligence for operators and search-and-book APIs for brands and public bodies. It serves leisure operators, gyms and studios, brands and health organisations, and activity providers by enabling activity discovery, booking, and data-driven scheduling across the UK.

Immuta

London

Data security platform providing automated policy enforcement and data access governance.

Impala

London

Hotel tech API platform enabling travel companies to connect directly with hotel inventory and rates.

Imply

London

Imply provides a cloud-native data layer for observability, security, and AI, enabling organisations to search unstructured logs in data lakes and run real-time analytics using Apache Druid. It serves enterprises seeking to keep existing tools while scaling data ingestion, reducing costs, and accelerating queries without workflow changes or migrations.

Impressico

London

Impressico Business Solutions delivers digital transformation consulting spanning software engineering, generative AI, DevOps and cloud services, data analytics and business intelligence, and IoT systems development. Founded in 2009, the company has served more than 150 customers across 20 industries with over 500 experts across six offices worldwide, including delivery centres in India and Canada and an office in London. Case studies cover a proximity-based communication platform, mobile application development for a major sports league, a cloud platform for smart home solutions, and a fintech microservices platform.

Improbable

London

Distributed simulation platform powering massive multiplayer online worlds and defence simulations.

Improbable MSquared

London

Metaverse infrastructure company building open virtual world standards and large-scale multiplayer environments.

Inakalum

London

Inakalum surveys mobile coverage and performance to the street, testing EE, Vodafone, VMO2 and Three simultaneously from the same vehicle to produce a like-for-like comparison of signal strength and data speeds. The company gathers more than 100,000 geolocated measurements per day and filters results in three-hour, time-of-day windows to reveal capacity problems that coverage maps alone miss. Every reading is geolocated and timestamped down to individual streets, postcodes or assets. Inakalum's clients include Manchester City Council, Westminster City Council, Tees Valley Combined Authority, Ofcom, Dublin City Council and Newcastle City Council.

inavate

London

Inavate Consulting provides ISO 27001 implementation, cyber security services, and information security consultancy to organisations in technology, iGaming, financial services, and software sectors. They deliver certification support, penetration testing, cloud security assessments, and internal auditing to help clients achieve and maintain compliance with international security standards.

Incepteo

London

UK software development and nearshore outsourcing company helping businesses build technology teams and deliver software projects.

Incognia

London

Location-based device intelligence platform preventing account takeover and fraud without degrading user experience.

Incopro

London

Brand protection platform using AI to detect counterfeit goods and IP infringement online, acquired by Corsearch.

Indus Services

London

Indus Services Ltd provides data management, cloud computing, automation, artificial intelligence, quality assurance, and IT consulting services. The company delivers technology solutions and support to businesses operating across multiple global industries, including banking, insurance, mining, oil and gas, manufacturing, healthcare, and telecommunications.

Infisical UK

London

Open-source secrets management platform centralising API keys, certificates, and credentials with PKI and PAM capabilities.

InfluxDB UK

London

Purpose-built time series database and platform for metrics, events, and real-time analytics from IoT and infrastructure.

Info-Tech Research Group

London

This firm offers information technology research and executive coaching services for technology leaders. Its provisions encompass research blueprints, vendor evaluations, dynamic decision-making governance strategies, service desk analytics and project portfolio management tools. It supports technology professionals across sectors such as hospitality, retail banking, local government and casino operations.

Infoprotect

London

Infoprotect UK is the leading cyber risk assessment organisation behind higher risk companies that need the best premiums with their insurance providers – an essential human service for the coming years of technology and AI advancements.

Infrastructure Cabling Experts

London

Infrastructure Cabling Experts are a nationwide specialist data cabling company. We deliver comprehensive data cabling solutions, design, installation and ongoing support to the commercial, retail, construction and design & build sectors across the UK.

INK Networks

London

INK Networks provides managed IT services including desktop support, server and cloud support, network support, and IT consulting to clients across multiple sectors in North London, Central London and beyond, with several years of experience delivering bespoke business IT solutions.

INNOVATE IT

London

Innovate IT Ltd provides identity and access management consultancy, managed services, and cybersecurity solutions for public and private sector clients. They specialise in IAM strategy, cloud security, privileged access management, and digital transformation, supporting organisations in securing their digital futures through trusted advisory and implementation services.

INNOVATION TECHNOLOGY AND BUSINESS SOLUTIONS

London

Innova-tsn provides customised cloud, AI, and data analytics solutions for sectors including banking, retail, energy, telecommunications, public administration, and insurance. The company serves customers seeking strategic and operational improvements through governed data exploitation and advanced analytics techniques.

Search All 3149 Providers

Based in London?

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

Submit Your Listing Learn More