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Top London Consulting Companies (368)

Artificial Intelligence • Healthtech • Professional Services • Analytics • Consulting
36 Offices
13,000 Employees

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 13,000 employees in over 35 offices worldwide.


Fintech • Professional Services • Software • Consulting
11 Offices

We are a premier NetSuite Partner & Developer helping high-growth companies automate advanced billing & revenue in NetSuite. Since our inception, we’ve always played hard to win big. True success only happens when you swing for the fences, and since 2013, we've been hitting home run after home run (even while working from home). But what drives our success, you ask? It's our passion—not only for changing how finance teams grow using complete cloud technologies, but also for giving them their lives back in the process.

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Big Data • Information Technology • Productivity • Software • Analytics • Business Intelligence • Consulting
17 Offices
3,000 Employees

With over 5,000 enterprise customer deployments across nearly every industry, the Celonis Process Intelligence Platform uses process mining and AI to give you a living digital twin of your business operation. It’s system-agnostic and without bias, and empowers companies to reduce waste, create value and benefit people across the top, bottom, and green lines. Since 2011, the Celonis platform has enabled its customers to identify more than $18 billion in value. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide.


Artificial Intelligence • Marketing Tech • Software • Consulting
4 Offices
1,042 Employees

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.


Information Technology • Business Intelligence • Consulting
8 Offices
55,092 Employees

NTT DATA, Inc. is a trusted global innovator of business and technology services. We're committed to helping clients innovate, optimize and transform for long-term success. Our R&D investments help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity


Business Intelligence • Consulting
3 Offices
571 Employees

The Brattle Group answers complex economic, finance, and regulatory questions for corporations, law firms, and governments around the world. We are distinguished by the clarity of our insights and the credibility of our experts, which include leading international academics and industry specialists. Brattle has over 500 talented professionals across three continents. For more information, please visit brattle.com


Information Technology • Security • Software • Consulting
5 Offices
1,916 Employees

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 ideology that solves the number one cyberattack vector – email. We continuously invest to thoughtfully integrate brand protection, security awareness training, web security, compliance and other essential capabilities. Mimecast is here to help protect large and small organizations from malicious activity, human error and technology failure; and to lead the movement toward building a more resilient world. Learn more about us at www.mimecast.com.


Information Technology • Consulting
3 Offices
360 Employees

At the heart of who we are is our conviction that we must make life better with tech. For us, tech has never been about just hardware or software, they are our tools. It’s about people. It’s our meaningful relationships, deep expertise and practical know-how in technology that drives what we do. We put our people, our customers, our partners and the environment at the heart of everything we do and our people are the difference that makes the difference. Tech is always advancing and together we have the agility to move with it and to deploy the right solutions to drive growth. Through our deep expertise, practical know-how and collaborative approach, we implement flexible tech solutions to accelerate growth. We give people the confidence to use technology to be their best and better – commercially, socially and sustainably


Information Technology • Consulting
6 Offices
62 Employees

Circit is a financial audit management platform that provides real-time visibility of audit confirmations as well as direct connections to banks, solicitors and fintech services. Circit has created a network of validated professional and financial services firms, all of which benefit from the highly secure software platform. Circit's founders have over 50 years experience across financial auditing, banking operations and software engineering. The company has been granted status as an Enterprise Ireland High-Potential Startup (HPSU) company and has been awarded government funding along with professional investors.


Aerospace • Consulting
6 Offices
171 Employees

Ricondo & Associates, Inc. (Ricondo) is a full-service aviation consulting firm. The services we provide to airport owners and operators, airlines, and federal and state aviation-related agencies include facilities and operations planning, environmental planning, and financial planning. We provide technical consulting and project management services relating to airport facilities planning, airport master planning, financial analyses, environmental planning, feasibility studies, airfield and airspace analyses, and airport development programs, either on a project basis or as part of on-call consulting services. What distinguishes Ricondo in aviation planning is our focus on the aviation industry, our responsive approach to delivery of services, and our commitment to supporting our clients from preliminary planning through project design, federal processing, financing, and project construction. Our philosophy places client needs as our first priority – delivering our services in a way that builds long-term successful relationships. Nearly 90 percent of our clients are repeat clients, evidence of the quality of our services, our professional reputation, and the solid relationships we’ve built. The company is headquartered in Chicago and has established U.S. offices in Atlanta, Cincinnati, Dallas/Fort Worth, Denver, Honolulu, Miami, Orlando, Phoenix, Seattle, southern California, and Washington, D.C., as well as an international office in London, England.


Information Technology • Consulting
2 Offices
9,893 Employees

Sustainability is our business.  As the world’s largest specialist sustainability consultancy, ERM partners with clients to operationalize sustainability at pace and scale, deploying a unique combination of strategic transformation and technical delivery capabilities. This approach helps clients to accelerate the integration of sustainability at every level of their business.  With more than 50 years of experience, ERM’s diverse team of 8000+ experts in 40 countries and territories helps clients create innovative solutions to their sustainability challenges, unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations


Information Technology • Consulting
4 Offices
93 Employees

Recognised as the leading provider of Test Automation and Digital Transformation Services for both public and private organisations, Infuse Consulting is headquartered in the UK and since 2002 has helped more than 500 businesses get the most out of their Software Delivery Teams. Our team of 100+ engineers is growing at 20 people per quarter; our consultants are spread across Europe and India with a passion for Modern Software Design, Engineering, Testing and Delivery. We possess deep expertise across Architecture, Agile, DevOps, Cloud Transformation, Software Testing & Performance Engineering. We work under staff augmentation, T&M, fixed price and managed service arrangements.​ To learn more, please visit http://www.infuse.it


Information Technology • Consulting
London, England
50 Employees

DigitalGenius is the AI platform that puts customer support on autopilot by understanding conversations, automating repetitive processes and delighting your customers. The platform is powered by deep learning that understands your customers’ objectives, then drives automated resolutions through APIs that connect seamlessly to your own backend systems. Learn more at digitalgenius.com


Fintech • Software • Travel • Business Intelligence • Consulting • App development • Big Data Analytics
5 Offices
18,000 Employees

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 cloud-based travel solutions. Meetings & Events: providing solutions for a single meeting or an entire meetings portfolio. Global Business Consulting: customized services to help clients optimize their travel program.


Legal Tech • Other • Professional Services • Business Intelligence • Consulting
2 Offices
16,030 Employees

RSM is the leading provider of audit, tax and consulting services to the middle market. With over 11,000 employees across the U.S. and Canada and a global presence in 120 countries, our purpose is to deliver the power of being understood to our clients, colleagues and communities. As first-choice advisors, we are focused on developing leading professionals and innovative services to meet our clients’ evolving needs in today’s ever-changing business environment. Through a supportive, caring culture, our people are empowered to be their authentic selves and share their unique perspectives. Our culture of diversity and inclusion enhances the insights we provide while transforming innovation, collaboration and business results through fostering an inclusive environment, working hard to engage a talented workforce and reflect our diverse community, and developing relationships that serve others in business and the broader community. Together, our people’s individual talents and diverse perspectives strengthen our teams and enhances the unique insights that we provide to our clients. Through a supportive, caring culture, our people are empowered to be their authentic selves and share their unique perspectives. Our culture of diversity and inclusion enhances the insights we provide while transforming innovation, collaboration and business results through fostering an inclusive environment, working hard to engage a talented workforce and reflect our diverse community, and developing relationships that serve others in business and the broader community. Together, our people’s individual talents and diverse perspectives strengthen our teams and enhances the unique insights that we provide to our clients. For more information, visit rsmus.com.


Information Technology • Consulting
3 Offices
203 Employees

Whoever said 'don't sweat the small stuff' never worked in software development. In this business, we know it's the small stuff that can be your downfall: costing millions to put right, damaging reputations, and setting your project back months. With this much at stake, there is simply no room for error. And that's where we come in. We have the scale, the expertise, and the rigorous attention to detail to hunt down any and all issues before they become issues, allowing you to focus on the bigger picture and ensuring your software is delivered on time, on budget and working exactly as it should


Artificial Intelligence • Cloud • Information Technology • Software • Consulting • Data Privacy
6 Offices
3,254 Employees

We are a pioneering IT consultancy company, following 1 mission, 4 values, and 4 business principles. WHO WE ARE With over 20 years of experience, our global network of passionate technologists and pioneering craftsmen deliver cutting-edge technology and game-changing consulting to companies on the brink of transformation. Founded in 2001, Xebia was the first Dutch organization to embrace the Agile way of working, with gurus like Jeff Sutherland. Since then, we have grown from a Java company into a full-service digital consulting company with 4500+ professionals working on a worldwide ambition. We are organized in complementary chapters – teams with a tremendous amount of knowledge and experience within a particular field, such as Agile, DevOps, Data and AI, Cloud, Software Technology, Low Code, and Microsoft. We help the world’s top 250 companies and category leaders overcome digital challenges, embrace innovation, adopt new technology, and implement new business models. In addition to high-quality consulting, we also provide offshoring and nearshoring services. WHAT WE DO ★ Digital Strategy ★ DevOps and SRE ★ Agile ★ Data and AI ★ Cloud ★ Microsoft Solutions ★ Software Technology ★ Security ★ Low Code ★ Xebia Academy HOW WE ARE ORGANIZED Xebia has launched specific labels, like GoDataDriven, Binx, Xpirit, Qxperts, Stackstate, Instruqt, Xccelerated, and Xebia Academy Complementing our organic growth, other specialized companies join our successful journey and also operate within the Xebia network under their own brand name, like Appcino, coMakeIt, g-company, Oblivion, PGS Software, and SwissQ. Together we are Xebia. With 17 offices in Atlanta, San Francisco, UK, Vietnam, Canada, Amsterdam, and Hilversum (the Netherlands), Belgium, Germany, Gurgaon, Jaipur, Hyderabad, Pune, Bangalore, Poland, Melbourne, Mexico, and Dubai. ✉️ info@xebia.com


Information Technology • Consulting
2 Offices
358 Employees

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 MARGO it's Consultant First. By joining MARGO, your talent today will remain relevant tomorrow. We bring you into the group not only for what you are today but for the potential you wish to develop. At MARGO, you will be able to build your own path to excellence within our teams and our missions. Tailor-made to serve your ambition and to match your talent. Today, Margo has over 400 employees in 8 entities: ► MARGO Trading Systems: our full stack development offer in market finance ► MARGO Capital Markets: our business offer in market finance ► MARGO Analytics: our expertise in data science and data engineering ► A CAPELLA Consulting: our business offer dedicated to insurance ► CODE BUSTERS: our community of developers ► DELIVERED by MARGO: our 100% remote full stack development entity ► MARGO UK: expertise in complex coding and application support on the English market. ► MARGO Poland: expertise in complex coding in retail Banking on the Polish market


Consulting • Financial Services
London, England
21 Employees

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 – deliver complex strategic and remedial financial crime programmes, perform risk assessments, enhance controls, streamline processes and future-proof operating models Operational performance - design and implement new operating models, automate processes, improve MI and governance, and enhance resilience. We are experts in implementing new technologies and building data capabilities in all of these areas, such as selecting optimal vendors, digitising workflows, and establishing robust data governance frameworks. What makes us different? 1. Everything we do is geared towards our clients’ success We are results-focused, client-obsessed and committed to delivering lasting solutions that align with your vision and serve as the foundation for your future success, not tick-box exercises. 2. We harness our expertise to our clients’ ambitions We deploy small, high impact teams of handpicked experts in both programme delivery and technical specialisms, who deliver results quickly using methods proven through years of experience in the financial sector. 3. We are distinctively rewarding to work with We are humble, friendly, and easy to work with, taking our work seriously but not ourselves. We excel at maintaining high motivation levels when leading programmes, even under intense pressure. Where do you want to be tomorrow? We can help you succeed in a rapidly evolving world.


Information Technology • Consulting
5 Offices
15,123 Employees

In a rapidly changing world, technology is everything. It's in the fabric of society. In every part of every business. At the very heart of human evolution. It’s a great power that comes with great responsibility. At Tietoevry, we believe it’s time to shift perspective. It’s not about what technology can do anymore — but what it should. So that the futures of businesses, societies, and humanity can live and thrive. Side by side. This is why we're making it our business to create purposeful technology that reinvents the world for good. https://www.tietoevry.com/en/ #purposefultechnology #Tietoevry


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