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101 Best & Fastest Growing Professional Services Companies and Startups in the UK

This article showcases some of the most popular players operating in the Professional Services space. Our analysts selected these companies because they excel in one of the following categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Market Position
    • Market domination
    • Market leader
    • Strong market competitor

Data sourced from Crunchbase and SEMRush.

This list may include both state and private ventures providing the most value within the Professional Services industry.

Table of Contents show

Top Professional Services Companies


BT Global Services

BT Global Services plc is a division of United Kingdom telecommunications operator BT Group.

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MarineTraffic

Global Ship Tracking Intelligence

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Ernst & Young

Ernst & Young Limited is a global leader in assurance, tax, transaction and advisory services.

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Bark.com

A new better way to buy services online

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Aon plc

Aon is a global provider of risk management, insurance and reinsurance brokerage, human resources solutions and outsourcing services.

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Yorkshire Building Society Group

The Yorkshire Building Society is the third largest building society in the UK.

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Surrey County Council

Surrey County Council is a Library Supply Agency, located in Dorking.

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Adrian Flux

Adrian Flux is the UK’s largest specialist motor insurance broker.

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The Dots

The professional network for people who don’t wear suits to work.

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Randstad Financial & Professional Ltd

Randstad Financial & Professional Limited provides recruitment services for jobs in the financial services.

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Aberdeen Standard Investments

Aberdeen Standard Investments provides investment products and solutions to clients across the world.

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Cheshire East Council

Cheshire East Council is a government organization that renders local services across the area to the businesses and the residents.

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Crown Prosecution Service

The Crown Prosecution Service is responsible for criminal prosecutions in England & Wales.

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Michael Page

Michael Page is a recruiting agency that specializes in professional services recruitment.

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Kaplan UK

Kaplan UK is a provider of public and in-house training seminars and continuing professional development courses.

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Arup

Arup is an independent firm of designers, planners, engineers and technical specialists offering a broad range of professional services.

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GoTranscript

GoTranscript is an online transcription and translation service provider company.

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DLA Piper

DLA Piper is a global law firm with lawyers located in more than 40 countries to helps clients with their legal needs around the world.

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Quotezone

Quotezone.co.uk is here to help you compare UK car insurance quotes.

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Privilege

Privilege offers home and motor cover to people from various walks of life.

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Blue Arrow

Blue Arrow is a largest specialist staffing company in St Albans.

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H I V I-base

HIV i-Base is a treatment activist group, located in London.

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Entrepreneur Handbook

Everything you need to know to build a successful business

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YorkTest Laboratories

YorkTest Laboratories are Europe’s leading provider of food intolerance programmes and diagnostic testing services.

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Michael Page International

Michael Page International is professional recruitment consultancy.

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Zego

Zego is a commercial auto and ‘New Mobility’ insurance provider, powering opportunities for modern business by saving time and money

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Zoom UK

Zoom is mainly developing and distributes electronic musical devices.

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Integrated Environmental Solutions

Integrated Environmental is recognised as a world leader in 3D performance analysis software that is used to design.

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BIMM

BIMM offers musical education services.

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LEK Consulting

L.E.K. Consulting is a global management consulting firm.

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Learnlight

An EdTech company that’s passionate about putting trainers at the heart of the learning experience.

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Pinsent Masons

Pinsent Masons is a leading international commerical law firm with offices across the UK, Europe, the Gulf and the Asia Pacific.

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ExcelR Solutions

ExcelR is a global leader delivering a wide gamut of management and technical training company.

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Ashurst

Ashurst is an multinational law firm and a trusted adviser to corporates, financial institutions and governments.

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Rexel

Rexel is United Kingdom’s distributor of electrical products and solutions, located in Birmingham.

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Fitch Learning

Fitch Learning is a global leader in training with experience of delivering specialised technical training at all levels.

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Inkthreadable

Inkthreadable is a company which is specialise in screen printing & embroidery

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BCIU

BCIU is an education management company that renders student services and programs to various schools, families and children.

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Stowe Family Law

Stowe Family Law is a specialist family law firm that offers legal services.

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Allen & Overy

Allen & Overy is an international law firm providing legal services for global business and industry.

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International Compliance Association (ICA)

The International Compliance Association (ICA) is a professional membership and awarding body.

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Man Group

Man Group is a world-leading alternative investment management business.

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Auto Windscreens

Auto Windscreens provides automotive glass repair and replacement services.

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The Insights Group Ltd.

The Insights Group Ltd. is a global people development company.

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Stephensons Solicitors

Stephensons is a leading UK full service law firm, located in Lancashire, England.

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Dipsticks Research

DRG is an independent, full service market research agency with extensive experience across a number of sectors.

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Today Translations

A global language services provider, with approximately 2,600 linguists serving clients in over 100 countries.

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Dpg

DPG is a learning & development, Human Resources or leadership & management training company located in Manchester.

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Exova Group

Exova Group is a providers of testing, calibration and advisory.

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Tumble Tots

Tumble Tots prides itself on being the UK’s first structured physical play program for children from 6 months to 7 year olds.

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Association of Corporate Treasurers

Association of Corporate Treasurers

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Enwin

Enwin Utilities is a utility company that delivers water and electricity to the community.

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Farrer & Co

Farrer & Co is an independent law firm provides highest quality legal advice and service.

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Impact Factory

Impact Factory is a professional training company that specializes in management training,Time Management and Line Management.

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Open Access Journals

Open Access Journals offer a suitable platform for the scientists, researchers, academia and students.

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Wordy

Wordy is a human copy-editing and proofreading service that optimizes queries and content in real time.

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Private Equity Recruitment

Private Equity Recruitment is a people business, a close-knit team securing exceptional people for funds across private capital.

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Begbies Traynor Group

Begbies Traynor Group is an AIM listed professional services consultancy, providing independent professional advice.

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Setfords Solicitors

Setfords Solicitors is a UK law firm

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Bloomsbury Professional

Bloomsbury Professional publishes books and journals for lawyers, accountants, and business professionals.

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Masmi Research Group

MASMI is a full-service international market research company, located in London.

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Ellis Whittam

Ellis Whittam is an Employment Law, HR and Health & Safety support for UK employers.

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Hugh James

Hugh James is a law firm providing legal services.

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Major Travel Plc

Major Travel is an airlines/aviation company, located in London.

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Timico

Timico is an end-to-end managed cloud service provider of supplying business strength IP solutions.

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B P X

BPX is a supplying automation and control products to customers worldwide.

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Slaughter and May

Slaughter and May is an international law firm headquartered in London and a member of the Magic Circle of elite UK law firms

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Third Bridge Group

Third Bridge Group is a provider of research services to private equity and hedge funds.

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WYG Group

WYG Group is a professional services firm that specializes in management consulting, project management, and technical services.

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McMillan Williams

McMillan Williams provide personal, pragmatic, good-value legal services.

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Shakespeare Martineau

Shakespeare Martineau is a Birmingham-based law firm.

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Security Watchdog

Security Watchdog is recognised as the industry leader and subject matter expert in all areas of international employment screening.

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PageGroup Plc

PageGroup plc, together with its subsidiaries, provides recruitment consultancy and support services in the United States.

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Berry Recruitment

Berry Recruitment is a full career potential company.

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Totaljobs Group

Totaljobs Group, we currently run six job sites, each dealing with a totally different audience.

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Quad

Quad is an Electronics company that specializes in headphones,electrostatic speakers,Speakers,artera series.

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Orchard

Orchard is a recruiting agency for the creative, digital, and marketing industries.

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QMS International

QMS International is a UK accredited ISO certification organisation.

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My Homework Writers

My Homework Writers is one of the best homework helpers.

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Aspire

Aspire specialise in recruiting for the digital, media and marketing communications industry.

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WaveTrackR

WaveTrackR is an online recruitment platform that helps to post multiple jobs quickly and makes day to day recruitment processes easier.

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Encon Insulation

Encon Insulation is a manufacturer of Insulation, Drylining, Interior Systems.

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Macdonald & Company

Macdonald & Company is the leading professional recruitment consultancy for the real estate and built environment sectors.

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Blake Morgan

Blake Morgan LLP is a UK law firm providing highly tailored legal solutions, located in Cardiff.

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The Institute of Export International Trade

The Institute of Export International Trade is a trade school that offers a unique range of individual and business membership benefits.

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Ikawa

The Ikawa Micro-Roasting System Can Revolutionise The World Of Coffee Both For Coffee Drinkers And Producers.

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Marks & Clerk

Marks & Clerk was founded in 1887 by George Croydon Marks who was joined in partnership by Dugald Clerk a year later.

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Robertson Cooper Ltd

Robertson Cooper is a company that promote benefits to employee well-being.

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Oscar

Award-winning recruitment consultancy; delivering talent across Tech, Digital, Life-Sciences, Energy & Construction

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Heat Recruitment

Heat Recruitment provides recruitment services.

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Loqate GBG

The world’s leading location intelligence specialist

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Stafffinders

Stafffinders is Scotland’s leading recruitment agency.

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Xafinity

Xafinity is a UK specialist in pensions actuarial, consulting and administration.

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Baldwins

Baldwins is a privately held company that provides accounting and tax services to to SMEs and entrepreneurs in the UK.

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Little Fish (UK)

Littlefish is an award winning and rapidly growing Managed IT Services Provider.

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SmartPA

SmartPA provide expert, flexible office support services including administration and secretarial services to companies of all sizes.

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Credence Background Screening

Credence provide bespoke background screening services for clients such as CRC via the DBS and BPSS checks, directorship checks and due diligence.

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Datalaw

Datalaw is a legal training company, provides teaching and examinations to legal professionals in the United Kingdom and internationally.

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Argos Spares & Accessories

Argos Spares & Accessories offers comprehensive package of online shopping, customer support, professional knowledge and advice.

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Metropix

Metropix operates as a supplier of floor plan solutions to the UK’s residential estate agency and lettings market.

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Rentokil Initial

Rentokil Initial provides services that protect people and enhance lives.

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