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Top Business Service Companies in New York

20 of 53 business service companies ranked on evidence in the Q4 2026 edition.

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Between them, the 53 business service companies on this page cover accounting (8), tax (6), legal (5) and financial services (4). They also list work in York, California, Rochester and London. 53 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

20 of 53 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.

How this is rankedAbout this edition
All business service companies 20 rankedSMEs 19 ranked
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  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. Itech Scope logo

    Itech Scope

    Tech recruitment agency present in Athens, Lisbon, London and New York, placing IT, digital marketing and engineering staff

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    On record: Office in New York

  3. Kona HR logo

    Kona HR

    Insurance · Partnership

    Kona HR is an HR consulting firm based in New York, NY, serving companies from start-ups and small businesses to enterprise employers.

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    On record: Based in New York, NY

  4. Language at Work logo

    Language at Work

    Also in York

    Workplace skills training courses, coaching and custom courses for organisations and individuals, including English as a second language

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  5. Leadership IQ logo

    Leadership IQ

    Learning · Goals · Also in Washington and York

    Leadership development, hiring and employee engagement are the three strands of a training firm that builds its courses out of its own survey work.

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  6. Xylem Inc. logo

    Xylem Inc.

    Mobile App Development · Software Development · E-Commerce Development · Also in United States of America

    Xylem is a water technology company headquartered in Rye Brook, New York. Its products move, treat, analyse and monitor water. It sells in about 150 countries.

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    On record: Based in Rye Brook, New York

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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.

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