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Top Software Companies in London (2,665)

Credentially
Information Technology • Software • Consulting
London
62 Employees

Automated credentialing software for healthcare. HR software tries hard, but never really fits. Manual systems limp along, but never really scale. So employment costs too much, risks too much, and alienates the people you most need. Credentially’s your better way. It’s a true technology platform that handles credentialing, onboarding and compliance. It’s the tool that turns paper into data, automates...

Credentially
Aerospike
Big Data • Software
4 Offices
191 Employees
21 Benefits

The Aerospike Real-time Data Platform enables organizations to act instantly across billions of transactions while reducing server footprint up to 80%. The Aerospike multi-cloud platform powers real-time applications with predictable sub-millisecond performance up to petabyte scale with five-nines uptime with globally distributed, strongly consistent data. Applications built on the Aerospike Real-time Data Platform fight fraud, provide recommendations that dramatically increase...

Aerospike

Aerospike's Top Stability & Growth Strengths

Strong Revenue Growth: The company reported strong year-over-year increases in recurring revenue in 2024, attributed to rising demand for real-time AI workloads. Recognition on growth lists and visible customer and partner activity further signal momentum.

Investor Backing & Capital Strength: Aerospike secured a significant growth round in April 2024 with additional financing later that year, indicating investor confidence and capacity to scale. The capital is earmarked to accelerate product development and go-to-market aimed at AI-driven demand.

Innovation-Driven Growth: Continued 7.x–8.x releases through 2026 expanded capabilities into vector, graph, and governance features aligned to real-time AI workloads. Industry awards and recurring presence at major events reinforce active R&D and product expansion.

Ultimate Software
22 Offices
1,370 Employees
45 Benefits

Built from the merger of Ultimate Software & Kronos Inc, we are now UKG. We provide global #HCM, #payroll and #workforcemanagement solutions.

Ultimate Software
Parser
Artificial Intelligence • Software
4 Offices
174 Employees
6 Benefits Hiring Now

At Parser we help organisations leverage on digital to advance their business strategy. For us, creativity, talent, and passion are indispensable to succeed. This is why we are committed to building, nurturing, and empowering a diverse, multi-disciplinary environment, where every team member can grow professionally and achieve their ambitions, while helping our clients deliver amazing digital products. Thanks to our flexible,...

Parser
SmartgreenInvest
Fintech • Software • Financial Services
London
8 Employees

Our AI-driven credit scoring solution offers actionable ESG information to enable smart decision-making. Our specialised model is used to calculate the company credit score and our data experts provide a comprehensive analysis report to achieve sustainable growth

SmartgreenInvest
Plentific
Software
4 Offices
232 Employees
21 Benefits

Simple, powerful property repairs and maintenance management. Plentific is the only end-to-end marketplace SaaS platform that empowers property managers to launch and manage their own fully flexible contractor solution.

Plentific
Transport Exchange Group
Logistics • Software
2 Offices
113 Employees

The Transport Exchange Group (TEG) was established in 2000 and since then has been connecting thousands of road freight businesses across the UK, Europe and North America. TEG uses technology to create business opportunities, increased profitability, and empowers growth, across the supply chain. Turning the complicated road freight network into a manageable, easy to use digital platform that makes users lives...

Transport Exchange Group
Kaizen (kaizen.co.uk)
AdTech • Marketing Tech • Social Media • Software
2 Offices
89 Employees

We’re an award-winning digital growth agency who specialise in digital PR, SEO, and social media. From start-ups to household names, we’re experts in driving organic growth by producing creative content campaigns that are guaranteed to get you seen.

Kaizen (kaizen.co.uk)
Phenom People
Software
6 Offices
1,100 Employees
23 Benefits

Phenom is a global HR technology company that delivers a single-platform solution and hyper-personalized experiences for candidates, recruiters, employees, and management through our AI-based Talent Experience Management (TXM) platform.

Phenom People
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CultureAI
Information Technology • Security • Software • Cybersecurity
2 Offices
50 Employees

CultureAI’s innovative Human Risk Management Platform empowers you to identify security risks, educate employees in real time, and nudge them to make immediate fixes. Strengthen resilience against phishing, improve SaaS security, reduce data loss through generative AI, and more. We help security teams identify and manage their most prominent employee security risks in one comprehensive platform.

CultureAI
Smarsh
Software
9 Offices
1,470 Employees
40 Benefits

Smarsh provides cloud-based archiving and compliance solutions for companies in regulated and litigious industries.

Smarsh

Smarsh's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst leadership placements and broad platform coverage across email, chat, voice, collaboration, and AI channels underpin a durable competitive edge in regulated markets. Consistent external recognitions and notable customer expansions indicate strong execution.

Innovation-Driven Growth: AI-focused leadership appointments and features—such as AI-powered supervision, transcription, sentiment analysis, and speaker identification—signal an advancing product strategy. Emphasis on embedding generative AI and machine learning aligns with evolving regulatory needs.

Investor Backing & Capital Strength: Significant growth funding from established investors is directed to accelerate product development, market expansion, and infrastructure scaling. This capital position supports continued scaling and resilience.

MAK-SYSTEM
Information Technology • Software
3 Offices
209 Employees
1 Benefits Hiring Now

At MAK-SYSTEM, we enable individuals to save lives. We create and deliver the innovative technologies that are used to ensure the efficiency, compliance, and safety of the global supply of blood, plasma, and cellular products. Our solutions enable individuals to donate and empower healthcare professionals to improve patient outcomes and save lives around the world.

MAK-SYSTEM
Cord
Software
London
49 Employees

Everything you need to make your product multiplayer Add rich, real-time collaboration to your product in minutes with Cord's UI Components, APIs, and SDK

Cord
symmetrical.ai
Fintech • Machine Learning • Software • Financial Services
London
57 Employees

A new, better way to run Payroll & People Ops. Symmetrical is the only solution designed for high-performance People Teams. Let your People Team focus only on the things that help your company grow faster. Leave payroll, people ops and compliance to us.

symmetrical.ai
Varonis
Security • Software
11 Offices
1,894 Employees
30 Benefits

Varonis is a pioneer in data security and analytics, fighting a different battle than conventional cybersecurity companies. Varonis focuses on protecting enterprise data on premises and in the cloud: sensitive files and emails; confidential customer, patient and employee data; financial records; strategic and product plans; and other intellectual property. The Varonis Data Security Platform detects insider threats and cyberattacks by analyzing data,...

Varonis

Varonis's Top Stability & Growth Strengths

Strong Market Position & Advantage: Colleagues are often seen as benefiting from strong category visibility, with repeated industry-list recognition and third-party analyst placements framing the company as a leader in data security platforms.

Strong Revenue Growth: Top-line performance shows continued expansion, with recent quarters and full-year results reporting year-over-year revenue increases and forward revenue guidance still pointing to ongoing growth.

Healthy Cash Flow: Cash generation appears durable, with operating cash flow and free cash flow described as increasing year over year and remaining meaningfully positive even amid the business-model transition.

Litera
Artificial Intelligence • HR Tech • Legal Tech • Marketing Tech • Software • Conversational AI • Generative AI
13 Offices
1,050 Employees
8 Benefits
Litera is the Legal AI platform provider that best unifies the practice and business of law.

Litera is the Legal AI platform provider that best unifies the practice and business of law, built on 30 years of legal expertise that no AI startup can shortcut, and engineered for the decades ahead. The company combines purpose-built legal technology with Lito, its award-winning Legal AI agent, to Raise The Bar™ for the legal profession worldwide. With AI solutions...

Litera

Litera's Top Stability & Growth Strengths

Product Line Growth: Acquisitions in 2024–2025 (FileTrail, Office & Dragons, and Peppermint rebranded as Foundation 365) and the 2026 platform relaunch around its legal AI agent expanded capabilities beyond core drafting and comparison. These additions extend into governance, Microsoft‑centric workflow/CRM, and GenAI‑driven document automation, strengthening a broader platform footprint.

Market Expansion: A new Denver office opened in April 2026 signals continued U.S. footprint growth tied to the legal AI platform. Ongoing publication of market reports and sector analyses reflects an active go‑to‑market posture with law‑firm and corporate dealmaker audiences.

Investor Backing & Capital Strength: Majority owner Hg has supported Litera since 2019 and increased investment in 2021, enabling a roll‑up that unified comparison, PDF, transaction, and contract‑analysis tools. Recent acquisitions, including Peppermint, underscore access to capital for continued strategic expansion.

RETAILIGENCE
Machine Learning • Software
London
30 Employees

RETAILIGENCE is an AI Suite to: Cluster Stores | Curate Assortments | Allocate space to categories | Track and remove in-store operational issues

RETAILIGENCE
Pusher
Information Technology • Software
London
16 Employees

Pusher is the category leader in delightful APIs for app developers building communication and collaboration features. Using its core product, Channels, developers can easily create interactive features such as in-app notifications, activity streams, chat, real-time dashboards and multi-user collaborative apps. We have over 250,000 developer customers across 170 countries. We’re used by everyone, from one-person operations to companies such as...

Pusher
Spektrix
Information Technology • Software
3 Offices
200 Employees

Ranked #88 in The Sunday Times Hiscox Tech Track 100 as one of the fastest growing British tech companies. At Spektrix, our mission is to provide arts organisations with the best possible chance of success. We do this by combining cloud-based technology with expert support and training consultancy, helping our clients grow their audiences and increase revenue. We’re confident that...

Spektrix
Codility
HR Tech • Software
3 Offices
175 Employees
17 Benefits
Codility is the leading technical hiring platform designed to help organizations make evidence-based hiring decisions.

Codility predicts the real-life skills of candidates at all stages of the hiring process and for more than a decade, has evaluated the problem-solving skills of over 15 million developers and has helped thousands of companies build high-performing, diverse engineering teams. At Codility, we are human. We take ownership, We think big. We are real. At Codility, we center our...

Codility

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