Top London Consulting Companies (400)

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting...

Celonis makes processes work — for people, companies, and the planet. Powered by process mining and AI, the Celonis Process Intelligence Platform integrates process data and business context to create a living digital twin of business operations. We enable thousands of companies worldwide to understand how their business actually runs and, together with their partners, build intelligent solutions that transform...

ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 15,000+ employees in over 40 offices worldwide.

At Northslope, we believe that purpose-built AI products in the hands of business operators create far more value than slide decks or off-the-shelf software. That’s why we partner with ambitious organizations to transform entire industries through Palantir’s Foundry and AIP platforms—delivering powerful, measurable outcomes in weeks, not years. We operate more like a product startup than a traditional services firm. Our...

Syncoms: Enterprise Product Development, AI, Machine Learning, Automation & Technology Consultancy At Syncoms, we specialise in end-to-end enterprise product development and strategic consultancy across SaaS, LaaS, e-commerce, photo gifting, and health-tech. Our mission is to build intelligent, scalable solutions that solve complex business challenges and deliver measurable impact. We collaborate with forward-thinking organisations to design, develop, and optimise bespoke platforms that streamline operations,...

At Equifax (NYSE: EFX), we believe knowledge drives progress. As a global data, analytics, and technology company, we play an essential role in the global economy by helping financial institutions, companies, employers, and government agencies make critical decisions with greater confidence. Our unique blend of differentiated data, analytics, and cloud technology drives insights to power decisions to move people forward. Headquartered...

At Supercharge, we are your innovation partner to turn disruption into opportunity. We are a next-generation product innovation agency driving growth, efficiency, and resiliency for our partners. We create smart product strategies, design delightful interfaces and build robust, AI-driven software to turn some of the most challenging digital initiatives of our partners into success stories. Our in-house team of over...

With offices in London, Lisbon, and Porto, YLD is a product design and software engineering consultancy specialising in customer experience and disruptive technologies. We were among the first adopters of innovative technologies like Node.js, React.js, React Native, Kubernetes, and GraphQL, which are now staples for many businesses. YLD was also an early adopter of Design Systems as a service and...

We’re not your typical consultancy. We don’t just say we put people first, we actually do. Our purpose is to be the consultancy clients love to work with, and people love to work for. That's why we've been recognised by Financial Times as one of the 1000 Europe's Fastest Growing Companies 2025 and one of the UK’s top Management...

Integrity360 is one of Europe’s leading cyber security specialists operating from office locations in the UK, Ireland, Bulgaria and Sweden. The group provides a comprehensive range of professional, support and managed cyber security services that identify and assess, protect and prevent, detect and analyse and respond and recover cyber risks and threats. Working either independently or as an extension of...

Transforming Life Science Consulting Worldwide. Fusion Consulting is a globally leading Business and IT management consultancy specialized in the Life Sciences industry, partnering with leading companies in pharma, healthcare, and other industries. With over 450 employees and 25 offices worldwide, our mission is to revolutionize our clients' business transformation challenges and set new industry standards through innovative solutions. Focused on S4/HANA, Data &...

We are a boutique digital consultancy delivering end-to-end, frictionless, customer experiences by leveraging technology, data and AI, design and marketing for the world’s most innovative brands. Our proven expertise, adaptability, collaborative approach and trusted guidance give our clients the confidence to successfully navigate the ever-changing digital landscape.

BeyondFS provides expert consultancy services to financial institutions, helping them to shape, manage and deliver their critical agenda in the face of evolving regulations, financial crime risks and operational challenges. We’re here to help you address your toughest business challenges across the following pivotal areas: Regulatory change - understand and adapt to new regulations, accelerate implementation programmes, and embed compliance. Financial crime –...

proSapient provides a comprehensive primary research and expert networking service to institutional investors, consultants and corporate clients around the world. Our advantage is the speed and accuracy we deliver actionable intelligence and relevant experts to our customers, giving them the edge they need to achieve their commercial ambitions. This is made possible by our technology which is driven by artificial...

Relentless protection. Resilient world. Mimecast (NASDAQ: MIME) was born in 2003 with a focus on delivering relentless protection. Each day, we take on cyber disruption for our tens of thousands of customers around the globe; always putting them first, and never giving up on tackling their biggest security challenges together. We are the company that built an intentional and scalable design...

AND Digital is on a mission to close the world’s digital skills gap. We do that by doing things differently when we work with our clients, communities and colleagues. Instead of working FOR exciting brands (like British Airways, Heineken and Nike), we work WITH them, and that's not just a party line. We combine our people with our clients' people...

American Express Global Business (Amex GBT) is the world’s leading B2B travel platform, providing software and services to manage travel, expenses, meetings & events for companies of all sizes. Our solutions include: Egencia: the leading software as service travel platform for small and medium-sized enterprises (SMEs). Ovation: the solution synonymous with high-touch travel service. The Neo Technology Group: a technology-focused team that builds...

We provide deep expertise with technical and business specialists to help clients secure and protect the UK. We are Subject Matter Experts in the National Security, Law Enforcement, Telecommunications, and Health & Care sectors. In complex environments, we use innovative methods to solve the hardest data challenges to help organisations make more informed and accurate decisions, at scale and faster. Our specialisms...

More than a simple IT consulting group, MARGO is an alchemy of talents with constantly enriched expertise, always encouraged to be dynamic and to flourish. For more than 17 years, we have been carrying out missions of the highest technical complexity, enabling the digital acceleration of our clients, while ensuring a perpetual intellectual and collective stimulation for all our talents. At...