Skip to content
TrustList
Companies · category

Top Business Service Companies in London

10 of 49 business service companies ranked on evidence in the Q4 2026 edition.

Between them, the 49 business service companies on this page cover cloud (9), legal (9), outsourcing (7) and accounting (5). They also list work in York, Liverpool, Manchester and New York. 49 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

10 of 49 business service companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

Filter by fitbudget, engagement, size and more

Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
  2. Certax Accounting logo

    Cloud · Legal · Accounting · Also in Fitzrovia

    Certax Accounting describes itself as a team of professional accountants in central London, with a wider network across the UK.

    On record: Based in London

  3. Cornflake logo

    Mobile App Development · Web Development · iOS App · Also in United Kingdom

    Cornflake is a London-based company that designs and installs smart home automation systems and media rooms. It has since been acquired by Ateliers de France Group.

    On record: Based in London, UK

  4. DXM Event Management logo

    DXM Event Management is a full-service event management and consultancy agency in England.

    On record: Address in London

  5. Dynamic Search Solutions logo

    Cloud · simple · Goals · Also in Amsterdam and Europe

    Senior technology appointments and everyday IT vacancies alike are handled by Dynamic Search Solutions, a recruiter working across the UK and Europe from London.

  6. E Office logo

    E Office is a flexible workspace provider with a worldwide network of offices, coworking spaces and meeting rooms.

    On record: Based in London, United Kingdom

  7. Ernst & Young logo

    Cloud · Legal · Banking · Also in New York and York

    EY, known as EY and formerly as Ernst & Young in its name, is a global professional services organisation offering consulting, assurance, tax and transaction work to help clients…

  8. Executive Headhunters logo

    Executive Headhunters operates from London within EMA Partners International, a network reporting more than 40 offices across 30 countries.

    On record: Based in London

  9. Fingertips Typing Services logo

    Legal · Video · Medical

    Fingertips Typing Services is a transcription firm whose typists and secretaries are based in the UK.

  10. FJR Group logo

    simple · Learning · Also in Manchester

    FJR Group is a recruitment agency specialising in finance, technology and human resources.

    On record: Based in Manchester and London

  11. FRP Advisory logo

    Retail · Also in Wales

    FRP Advisory is a financial advisory firm that works on corporate finance, restructuring, forensic investigations and valuations.

  12. Fruition IT logo

    Cloud · simple · Automation · Also in Leeds and York

    Fruition IT is a recruitment business that finds technology staff for employers and helps technology professionals find roles.

  13. FZCO Accountants logo

    Arts, Entertainment & Music · Financial Services · Business Services

    Working across the United Kingdom, FZCO Accountants puts particular weight on cross-border VAT for its business clients.

    On record: Based in London · Independent accountancy

  14. Global Credit Recoveries logo

    Legal · Corporation

    London-based international debt collection agency recovering business debts through mediation, arbitration and litigation

    On record: Based in London, UK

  15. Green Talent logo

    Green Talent is a recruitment firm that specialises in the energy, engineering and environment sectors.

    On record: Office in London

  16. HeadChannel Ltd logo

    Quality Assurance · Cloud · Outsourcing · Also in England and Katowice

    Working from London, HeadChannel Ltd designs bespoke software for companies that need an application, platform or integration made to their own requirements.

    On record: Based in London, UK

  17. Hitech BIM Services logo

    Outsourcing · Engineering · Automation · Also in California and Ahmedabad

    Hitech BIM Services provides building information modelling and CAD work for architecture, engineering and construction.

  18. Hobbs Legal Recruitment logo

    Real Estate · Legal · Construction · Also in Manchester

    Hobbs Legal Recruitment is an independent recruitment agency for the legal sector across the UK.

  19. Hots Global logo

    Engineering · Insurance · Creative

    Planners who need a program delivered in several cities at once can hand the work to Hots Global, a destination management company that plans meetings, incentive trips and special…

  20. incspaces logo

    incspaces offers flexible workspace in London, Manchester and Leeds, from coworking desks and private offices to virtual offices and meeting rooms, on monthly memberships.

    On record: Office in London

  21. JML Transcription logo

    Cloud · Legal · Reporting · Also in Truro and Hamilton

    Court reporting and legal transcription provider across Canada, with real time captioning, interpretation and remote depositions

  22. K2Collection logo

    Based in London and Birmingham, K2Collection recovers debts across the whole of the UK.

    On record: Based in London and Birmingham

  23. Katchinvest logo

    Legal · Tax · Partners · Also in Boston

    London-based asset manager focused on senior-secured private debt, real estate lending and alternative investment strategies

    On record: Based in London

  24. Landmark logo

    simple · Collaboration · Internet · Also in Mayfair and Bristol

    Flexible office space in London and UK cities with private offices, meeting rooms, co-working and virtual office addresses

    On record: Based in London

  25. Let's Talk Talent logo

    London based HR consultancy offering talent management, leadership development and organisational change support to employers worldwide

    On record: Office in London

For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

  • We check your registration, your website and your clients
  • Approved listings show the Verified badge here and on their profile
  • It earns a rank number and counts towards the TrustList Score; renewed yearly

Sponsor this ranking

Paid · always labelled

  • A Sponsored card above the ranked list, up to three per ranking
  • Marked Sponsored, and it never changes the order
  • Booked by the month; cancel any time
Same subject

More business service companies rankings

Every other way we rank business service companies, by what they do and where they are.

All 366 rankings
Articles

Related reading

Articles on this subject first, then the newest.

All articles
Browse

More categories

Jump to another ranked category.

All categories