Top 100 consulting firms in the United Kingdom

EYey.com

A global organization with diverse teams in over 150 countries provides assurance, consulting, law, strategy, tax, and transactions to help clients grow and transform

FUJITSUglobal.fujitsu

Leading global information and communication technology company, offering technology products, solutions, and services, connecting people, technology, and ideas for a sustainable world.

WTWwtwco.com

Offering data-driven solutions in people, risk, and capital areas, leveraging global expertise to enhance strategy, resilience, workforce motivation, and performance

Sercoserco.com

Innovative solutions for global challenges in justice, migration, defense, space, health, and transport through service design, program management, and systems integration

Aruparup.com

A global collective of designers and consultants dedicated to sustainable development, collaborating with clients to shape a better world using technology and imagination

Kantarkantar.com

Global leader in marketing data and analytics with deep expertise, innovative technology, and insights to help clients understand people and drive growth worldwide

Mott MacDonaldmottmac.com

The company focuses on improving society through digital innovation, excellence, and solving intricate challenges with clients to deliver better outcomes

Petrofacpetrofac.com

International energy service provider specializing in designing, building, managing, and maintaining oil, gas, refining, and renewable energy infrastructure for leading energy companies worldwide

Cloud Consultingccltng.com

Oversees national education policies, youth programs, and administration to support learning and development across France.

Savillssavills.com

Global real estate advisory firm providing tailored solutions and expert advice for residential and commercial property clients worldwide.

RSK Grouprskgroup.com

Global provider of environmental consultancy and engineering services, integrating innovation and multidisciplinary collaboration to address complex sustainability challenges.

PwC UKpwc.co.uk

Professional services firm focusing on building trust in society and solving important problems through partnership and commercial expertise.

Atkinsatkinsrealis.com

World-class engineering services and nuclear organization connecting people, data, and technology to transform global infrastructure and energy systems through design and management.

AMSweareams.com

Global talent solutions business specializing in sourcing, selecting, and retaining top talent through digital innovation, HR expertise, and a holistic approach to workforce management

Capcocapco.com

Global technology and management consultancy specializing in digital transformation, data-driven solutions, and innovation for banking, payments, capital markets, insurance, and energy sectors.

Azetsazets.com

A leading professional services firm in Northern Europe, providing advisory, accounting, audit, HR, recruitment, outsourcing, and technology solutions to clients

BDO UKbdo.co.uk

Provides tax, audit, assurance, accounting, business advisory, and outsourcing services to diverse sectors with a client-focused, innovative approach.

Toptaltoptal.com

A network connecting top talent in business, design, and technology to help companies scale teams on demand with impressive growth

Qualitestquality-ai.com

Global leader in AI-powered Quality Engineering services, specializing in superior customer experience, accelerated release velocity, and tailored solutions for various industries

FinTech Foundryfinancemarketing.org

The company specializes in making finance more approachable through business consultation, brand strategy, and digital marketing services for financial services companies

Lloyd's Registerlr.org

Provides professional engineering and technology services to improve safety and performance of critical infrastructures worldwide, supporting engineering research and education.

RPSrpsgroup.com

Global consulting and engineering firm part of Tetra Tech, providing services in property, energy, transport, water, resources, defense, and government sectors

Vialtovialtopartners.com

Global mobility ecosystem transformation through tax, immigration, compensation, and work strategy solutions for multinational organizations in 150+ countries

Daviesdavies-group.com

Specialist professional services and technology firm providing risk management, business process optimization, and digital transformation solutions to insurance, regulated, and global businesses

PA Consultingpaconsulting.com

Global teams of strategists, technologists, and experts deliver innovative solutions across industries to drive transformation and lasting client success.

Accenture UK & Irelandaccenture.com

A global professional services company leveraging technology, innovation, and industry expertise to drive digital transformation and deliver tangible outcomes for clients worldwide

UNKNOWNweareunknown.io

The company fosters diversity and creativity by facilitating connections, welcoming different perspectives to open up new possibilities in creative communities

Costain Group PLCcostain.com

A pioneering infrastructure company in the UK, Costain delivers sustainable solutions for energy, water, transportation, and defence markets while focusing on net zero goals and inclusive practices

Kainoskainos.com

Utilizing technology to solve customer problems, Kainos transforms businesses and improves lives through Digital Services and the Workday Practice globally

QX Global Groupqxglobalgroup.com

Partnering with mid-market organizations to reduce operating costs, improve efficiency, and scale confidently through sector expertise, process optimization, and technology.

Alfred H Knightahkgroup.com

Leading provider of inspection, analytical, and technical consultancy services for metals, minerals, solid fuels, and agricultural industries worldwide, with laboratories in 45 countries.

dunnhumbydunnhumby.com

Connects retailers and brands, applying AI-enabled science, software, and expertise to customer loyalty, media, and category management for business growth.

Ciklumciklum.com

Global digital solutions company providing tailored solutions for Fortune 500 and fast-growing organizations worldwide, leveraging emerging technologies for various clients

Peninsula UKpeninsulagrouplimited.com

Provides employment law, HR, and health & safety services, including training, tax, payroll, software, and employee assistance programs to businesses.

Ricardoricardo.com

Global consulting firm providing strategic, environmental, and engineering solutions focused on transport, energy, and climate for sustainability.

Two Circlestwocircles.com

Management of extensive fan data to enhance audience engagement and increase revenue for leading sports and entertainment organizations worldwide.

Currie & Browncurriebrown.com

Global project management and cost advisory firm providing risk management, cost control, and strategic guidance throughout asset lifecycles worldwide.

GlobalData Plcglobaldata.com

A leading information services company helps organizations and decision-makers predict the future, make informed decisions, and gain a competitive edge

Sumersumer.co.uk

Championing small to medium UK and Ireland businesses by uniting expert firms to provide collaborative support and growth solutions.

Wilson Jameswilsonjames.co.uk

Providing security, construction logistics, and aviation services with expert consultancy to enhance safety, efficiency, and client operations across UK and Europe.

EY Studio+ey.com

Global team combining design, technology, and commercial insight to enhance customer experience and drive business transformation across industries.

CACI Ltdcaci.co.uk

Provides data, marketing, IT solutions, software, consulting services, and managed services to public and private sector clients. Improves sales, marketing, operations, and reduces costs.

Info-Tech Research Groupinfotech.com

This company provides unbiased, highly relevant IT research and tools to help CIOs and IT leaders make strategic, informed decisions for their organizations

Altrad UK, Ireland & Nordicsuk.altradservices.com

A support services company in the UK & Ireland providing value-adding solutions to enhance vital assets and deliver extraordinary outcomes for clients

NashTechnashtechglobal.com

Expert teams delivering complex IT projects globally, solving business challenges with smart technology solutions and creating value.

10N Collective10ncollective.com

Global collective of urbanism, architecture, and design experts focused on sustainable citymaking, environmental and social responsibility across continents.

ABLabl-group.com

Global independent energy and marine consultant de-risking and driving energy transition, offering expertise in renewables, maritime, and oil and gas sectors worldwide

GPL CONSULTING UK LTD

The company provides a wide range of consultancy services in management, defense, law enforcement, IT, along with web development, telecommunication, software solutions, and international trade

Unipart Logisticsunipart.com

Supply chain consultancy and logistics services in Aerospace, Automotive, Consumer, Health, Technology, and Utilities sectors Utilizing data science and digital capabilities to optimize supply chains

Tetra Tech Europetetratech.com

A leading consulting and engineering services provider, specializing in sustainable solutions for diverse projects in the UK and Europe

SBCsbcgaming.com

Global events, media, and advisory business specializing in sports, betting, and gaming industries Organizes live events, virtual conferences, news publications, and industry influencer membership

Ridge and Partners LLPridge.co.uk

Consultancy specializing in built environment, focusing on quality, innovation, growth, with over 1,000 experts across 11 offices.

CFcarnallfarrar.com

This company specializes in healthcare improvement through consulting, data services, and products for health systems and the life sciences industry

XPS Groupxpsgroup.com

Leading UK pension consulting and administration business providing services to over 1,500 schemes, with awards for third-party administration, consultancy, and diversity

Ashfield, part of UDG Healthcare (now Inizio)inizio.com

Strategic partner in health and life sciences, providing advisory, medical, marketing, communication, and patient engagement services throughout the drug lifecycle

Gardiner & Theobald LLPgardiner.com

Independent consultancy specialising in construction, risk minimisation, project leadership, commercial success, and ethical community support within the built environment.

Connectweconnect.tech

Communication experts providing solutions in Contact Centre, Unified Communications, and Network Services, delivering digital transformation through bespoke strategies for businesses globally

ERA Group - Globalfranchise.eragroup.com

Global pioneer in cost optimization, specializing in identifying cost-saving opportunities and achieving financial efficiency through tailored solutions and strategic advice

Barnett Waddinghambarnett-waddingham.co.uk

Providing expert consultancy in risk, pensions, investment, and insurance with trusted partnerships and innovative solutions for diverse clients.

True Potential LLPtruepotential.co.uk

The company provides technology, services, and administrative support to help financial advisers enhance their businesses and serve their clients effectively

Avalere Healthavalerehealth.com

Avalere Health is a commercialization partner for biopharmaceutical, medical technology, and wellness industries, helping clients navigate healthcare and accelerate innovation for better health

HKAhka.com

Global consultancy specializing in risk mitigation, forensic investigations, dispute resolution, expert witness, and litigation support services for clients.

BakerHicksbakerhicks.com

A design, engineering, and project delivery company specializing in infrastructure, process, and built environments across various sectors, using innovative BIM technology

Isioisio.com

A leading financial services company challenging traditional thinking in pensions, benefits, and investment advice by providing expertise and innovative solutions

Bellrock Groupbellrock.co.uk

Specializes in sustainable, high-performance real estate management using technology and software to improve compliance, efficiency, and reduce carbon impact.

Aurora Energy Researchauroraer.com

Provide power market forecasting, analytics, advisory support, and software solutions to support investment and financing decisions in energy sector.

Hoare Leahoarelea.com

Engineering consultancy offering MEP, environmental, and sustainability services with creative solutions for complex building design and performance challenges.

Guden for Educationgudens.com

A leading Microsoft 365 Education Partner offering consulting, implementation, and support services to help educational institutions optimize teaching and learning outcomes

BTGbtguk.com

BTG Advisory provides commercial, strategic advice nationally and internationally, offering a broad range of professional services for businesses in various scenarios

Amazon FBA and FBMupwork.com

Amazon FBA consultant offering optimization services for sellers of all sizes Services include product sourcing, listing, SEO, shipping, inventory management, advertising, and more

Merit Data & Technology Indiameritdata-tech.com

A company that provides marketing data, product data, customized software, and marketing automation to help B2B brands embrace the challenges of the future

Black & White Engineeringbw-engineering.com

Global MEP design consultancy specializing in energy efficient electrical and mechanical designs, providing simple, agile solutions with a focus on accountability, quality, and integrity

Faithful+Gouldatkinsrealis.com

Global engineering services and nuclear organization connecting people, data, and technology to transform infrastructure and energy systems worldwide.

Menzies LLPmenzies.co.uk

Leading UK advisory and accountancy firm offering financial, operational, and strategic support to businesses and individuals internationally across various sectors

OC&C Strategy Consultantsoccstrategy.com

International consulting firm specializing in solving complex business challenges with tailored strategies, deep analysis, and a commitment to impactful results.

JLT Groupmarsh.com

Company merged into Mercer, continuing consulting and solutions management services with focus on health, wealth, and career needs.

Trinnovo Group | B Corp™trinnovogroup.com

Community-led recruitment and advisory business focused on high-growth tech-enabled sectors, promoting diversity, inclusion, workplace innovation, and social outreach programs

Facultyfaculty.ai

The company develops and implements safe AI systems integrating human and artificial intelligence for optimized performance

Invenioinvenio-solutions.com

Specialises in SAP and MuleSoft solutions, transforming public and private sector organisations with consulting, implementation, and advanced technology applications worldwide.

Hymans Robertsonhymans.co.uk

Providing independent pensions, investments, benefits, risk consulting, and technology solutions to employers, trustees, and financial institutions.

WYG Grouptetratecheurope.com

An award-winning professional services firm offering management consultancy, project management, technical services, and international development solutions to create value and manage risk

Binniesbinnies.com

In partnership with industry leaders, we offer comprehensive solutions for water management, infrastructure planning, and environmental sustainability to benefit communities now and in the future

The Adaptavist Grouptheadaptavistgroup.com

A software services company specializing in providing solutions for businesses undergoing digital transformation and adaptation using technology and expertise

OPPopp.com

A global business psychology provider offering training, resources, and consultancy to help individuals and teams unlock their potential and improve relationships

Minderamindera.com

Global engineering consultancy delivering resilient software systems, data, AI, and mobile solutions through lean, collaborative, and self-organizing teams across diverse industrial sectors.

Macromacro-group.com

Global facilities management company empowering businesses through exceptional services, enhancing workplace experiences, and supporting business strategies and ambitions for over 21 years

Amdarisamdaris.com

Providing innovative software development, product design, digital transformation, application support, and consultancy services from UK and Eastern Europe.

SOCOTEC UK & Irelandsocotec.co.uk

Empowering ambitious businesses through testing, inspection, compliance, technical expertise, real estate, and risk management, with a focus on innovation and sustainable delivery.

Norse Consultingnorseconsulting.co.uk

The company provides integrated property solutions nationwide, focusing on creating sustainable and functional spaces for communities with passion and expertise

Delta Capitadeltacapita.com

Specializes in capital markets consulting, managed services, and technology innovation with global presence and multi-client managed service solutions.

Qinecsa Solutionsqinecsa.com

A global life science partner offering industry-leading pharmacovigilance technology and expert scientific solutions to efficiently manage drug safety data

NPS Groupnorseconsulting.co.uk

Providing building consultancy services focused on improving people's lives as part of a larger group structure.

Dimension Data UKIservices.global.ntt

This company helps organizations achieve their goals through digital infrastructure, hybrid cloud, workspaces, and cybersecurity, empowering businesses to excel and grow with ICT solutions

MHFA England®mhfaengland.org

Providing mental health training and consultancy to workplaces, promoting mental and physical health equality, and reinvesting profits to support young people.

NHS South, Central and Westscwcsu.nhs.uk

Provides support and transformation services to health and care systems, improving outcomes for people, communities, and populations.

Blackmont Consultingblackmontconsulting.com

Blackmont Consulting offers free advisory services to NGO´s, non-profits, and start-ups, focusing on rigorous analysis to achieve practical results and real impact

SRUCsruc.ac.uk

A leading educational institution in Scotland specializing in land-based industries, research, education, and consultancy, aiming to become a top agriculturally-focused university

Adam Smith Internationaladamsmithinternational.com

Global advisory company working locally to transform lives by strengthening economies, stabilizing societies, and enhancing government effectiveness through innovative programs and strategies

EIC Partnershipeic.co.uk

A leading provider of energy, utilities, carbon, green energy, water, waste, building management, and invoice validation services with over 45 years of experience

Bell Integrationbell-integration.com

Provides technology consultation and managed services enabling organizations to transform IT capabilities, enhancing productivity, and cost efficiency. Specializes in IT services and infrastructure.