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Top London Consulting Companies (350)

Fintech • Professional Services • Software • Consulting
5 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.


Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
24 Offices
6,000 Employees

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 edge ingenuity is brought to life through its award-winning Be Yourself At Work culture and diverse talent. TRUSTED ADVISORS - Our collaborative and entrepreneurial approach position us as trusted long-term partners to our clients. DEEP EXPERTISE - Clients look to us for clear guidance, proven expertise, and the support they need to set their companies up for success. DISRUPTIVE SOLUTIONS- We do not provide off -the-shelf answers to clients’ challenges. Instead, we work in close collaboration to understand the issues, and craft disruptive, bespoke solutions. ACCOUNTABILITY AND OWNERSHIP - We recognize every client has distinct needs and expectations, and we take ownership and accountability for the solutions we design, build, and deliver.


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.


Big Data • Productivity • Software • Database • 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.


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


Business Intelligence • Consulting
London, England
97 Employees

Stryber is the strategic growth partner and expert in venture building. Together with our clients, we find the right innovation to successfully digitalize business models and create sustainable growth. We are passionate entrepreneurs, razor-sharp analysts, marketing & product professionals, united by one goal: to build the business behind all the ideas


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.


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


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 • 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


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


Professional Services • Software • Consulting
7 Offices
250 Employees

Crosslake was founded in 2008 by an original member of Microsoft’s Engineering Excellence team with the intent to help changemakers buy, build and run technology that creates value. Crosslake’s unmatched community of technical practitioners – former CTOs, CIOs, architects and engineers – are skilled at translating technology buzzwords into actionable, business-focused insight. Their seasoned judgement is supported by the patented Corsis® platform, which leverages data from more than 3,500 prior technology M&A transactions to define objective, measurable TechIndicators® that private equity investors and management teams rely upon to deliver strategic value creation initiatives and inform diligence. Learn more at www.crosslaketech.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.


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. ✉️ [email protected]


Consulting • PropTech
2 Offices
199 Employees

Intellectsoft is a digital transformation consultancy service that provides cutting-edge engineering solutions for global organizations with the mission to help enterprises accelerate the adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation. Intellectsoft has been named as one of the highly-rated software development B2B companies in 2021 by Clutch. Ranked No. 244 by Inc. magazine’s annual Inc. 5000 Regionals 2021, Intellectsoft has become one the nation’s fastest-growing private companies and demonstrated solid revenue growth of 37% over the last two years, fueled by customer’s need for innovative software solutions in the era of digitalization. The Company’s services portfolio offers strategic IT consulting, CX design, development, and full lifecycle management of custom software products and applications, and system integration. Whether it is a consumer-oriented app or a transformative enterprise-class solution, the company leads the process from ideation and concept to delivery and provides ongoing support.


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


Cloud • Professional Services • Security • Analytics • Consulting • Utilities • Renewable Energy
10 Offices
2,000 Employees

West Monroe is a global business and technology consulting firm passionate about creating value for our clients. We co-create solutions that accelerate results now and prepare industries to tackle what’s next. We’re excited by the possibilities that technology creates. We work with our clients to deliver on the possible, building on their goals, generating fresh insights and creating inspiring outcomes. We excel at the intersection of industry, strategy, people and technology—always driving rapid impact. Our all-in approach comes from our unique employee ownership structure. Our clients’ success is our success. From the beginning, our growth has come from putting people at the center. Fortune and USA Today consistently celebrate West Monroe as a top workplace, and we’re recognized as a leading consultancy by Forbes and Forrester.


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


Biotech • Consulting • Manufacturing
Potters Bar, England
95 Employees

Ascend is a development partner that supports life-science innovators in bringing gene therapy products to patients. Our team of experts have more than 120 years of combined experience in gene therapy development and commercialization to offer unparalleled collaboration while working to develop your products from the bench through the clinic and beyond. Scientific innovation driven by quality and responsibility are at the core of our business. To set a new standard in the industry, we have invested in a world-class analytical toolkit within our flexible and scalable AAV platform of next-gen technologies, all built to find the perfect balance of yield and quality for each process. Let’s aim higher and develop the next wave of accessible life-saving therapies together


Information Technology • Consulting
London, England
96 Employees

We deliver transformative AI-powered spatial computing applications for immersive web experiences that seamlessly bridge physical and virtual worlds. Our solutions cater to the commercial, enterprise, gaming, and government sectors. To date, our technology has been embraced by Microsoft, Minecraft, Epic Games, Sony, YOURE, Pixelynx and The Francis Crick Institute. Hadean is also a trusted partner for defence and aerospace leaders including the British Army, BAE, CAE and ST Engineering. Hadean pushes boundaries to lay the foundation for the future of the internet. For more information, visit hadean.com