This site works better with JavaScript enabled. Please enable JavaScript to get the full experience.Consultants and Contractors - Onyx Accountants and Business Advisors
  • Consultants and Contractors

    Fast Attention to All Tax, Compliance and Revenue Protection Issues

    Consultancy - Onyx Accountants

Consultants and Contractors Accountancy Services

Onyx Accountants will ensure that contractors, and the organisations that employ them, are engaged correctly and that IR35 and VAT compliance, HMRC and national insurance registration, and appropriate tax returns are correctly filed.

Our service is designed to be quick and simple and we even offer a “while you wait” self- assessment tax return service as well as helpful advice concerning pension planning and income protection.

  • IR35 Compliance Advice
  • VAT Compliance and Returns
  • National Insurance Registration
  • Self-Assessment Tax Return inc. “While You Wait Service”
  • Life and Critical Illness Cover

Specialist Services

Onyx also provide a range of specialist services to medical practices, engineering and manufacturing and franchisors, as well as advice concerning grants and allowances for start-ups, and innovative “going and growing” businesses looking to develop new products and services.

Systems Access and Advice

We provide 24×7 access to your financial information and forecasts by enabling the latest web technology.

Support - Onyx Accountants


If you would like more information or would like to speak to us direct then call us on 0121 753 5522 . Or if you would prefer, ask us a question online using the form below.

Onyx website contact form

  • Please let us know how you heard about Onyx.
  • This field is for validation purposes and should be left unchanged.