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COMPANY AUDITS WITH INTEGRITY, ACCURACY & INSIGHT

As ACCA approved auditors based in the West Midlands, we provide reliable, independent company audits built on integrity, accuracy, and insight. Our goal is to ensure transparent reporting, giving confidence your business is compliant with UK legislation.

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Statutory Audit

Onyx Audit provides high-quality external audit and statutory audit services to organisations throughout the United Kingdom. Our independent audits offer clear, objective assurance over your financial statements while helping strengthen stakeholder confidence and organisational credibility. We work with SMEs, large companies, charities, and group structures across a wide range of industries.

Why External Audits Matter?

An effective external audit helps you: Meet statutory obligations Demonstrate accurate, transparent financial reporting Strengthen investor, lender, and stakeholder confidence Identify weaknesses in processes and controls Improve governance and accountability Support long-term business resilience
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Internal Audit

At Onyx Accountants, we take a risk- based and tailored approach to internal audit. We focus on the areas that matter most to your organisation. We work closely with management to understand your objectives and challenges, ensuring audits are aligned with your strategic priorities. This enables us to deliver focused, efficient reviews that provide greater insights rather than generic findings.  

Why Internal Audits Matter?

An effective external audit helps you: Meet statutory obligations Demonstrate accurate, transparent financial reporting Strengthen investor, lender, and stakeholder confidence Identify weaknesses in processes and controls Improve governance and accountability Support long-term business resilience
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Charity Audit

We specialise in delivering professional charity audits and independent examinations to organisations of all sizes across the United Kingdom. Our team understands the unique financial, governance, and compliance requirements of the charity sector, providing clear and reliable assurance to trustees, supporters, and regulators.

Why Charity Audits Matter?

A robust charity audit or independent examination helps ensure: - strong governance and accountability - Transparent financial reporting - Confidence for trustees, donors and beneficiaries - Compliance with Charity Commission requirements. - Accurate, SORP-compliant financial statements Identification of financial or operational risks
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CASS/ FCA Audit

Whether you are an investment firm, asset manager, insurance intermediary, CFD/forex broker, or any business that holds client money or custody assets, our team offers clear, professional, and fully compliant assurance tailored to the complex requirements of the Financial Conduct Authority (FCA).

Why External Audits Matter?

FCA Audit An FCA audit provides independent assurance that a regulated firm is complying with the rules set out in the FCA Handbook, including financial reporting, capital adequacy, governance, and ongoing regulatory requirements. CASS Audit A CASS audit examines how well a firm complies with the Client Assets Sourcebook (CASS) — the strict rules governing how client money and client assets must be handled, protected, and recorded.
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Why Choose Onyx Audit for Charity Audits

✔ Sector Specialists

We are experienced charity audit professionals with deep knowledge of Charity Commission regulations, SORP (FRS 102), and best practice across the non-profit sector.

✔ Long-Term Client Relationships

We don’t offer one-off audits — we build lasting partnerships. Our clients value our consistent communication, friendly support, and year-round availability.

✔ Clear, Transparent Reporting

Reports are written in plain English, with clear findings and practical recommendations that trustees can act on immediately.

✔ Efficient & Modern Audit Approach

Our digital audit tools keep the process smooth, efficient, and secure, minimising disruption to your organisation.

✔ Support Beyond the Audit

We offer advice throughout the year to help charities stay compliant, strengthen controls, and adapt to regulatory changes.

FAQs

Frequently Asked Questions

Audits costs depends on company size, complexity and transaction volume. Factors such as industry, turnover and internal systems can affect pricing too. At Onyx Accountants, we provide tailored audit quotes based on your specific business needs. 

Your company is usually exempt if it meets at least two of these criteria’s: 

  • Annual Turnover of £10.2 million or less 
  • Total assets worth £5.1 million or less 
  • 50 employees or fewer

For the Audit, your accountant will need access to accurate, well organised financial records. 

The documents below form the foundation of any audit: 

  • Year end Financial statements 
  • Trial Balance 
  • General Ledger 
  • Previous years accounts (for comparison) 

An audit is a regulated examination of your financial statements. An independent examinations is a simpler, lower cost review. 

  • Limited Companies – audits (if above the thresholds) 
  • Charities – often independent examinations 
  • Growing organisations – voluntary audits for credibility

Planning (1-2 weeks) – Understanding your business, risks and systems

Fieldwork (1-3 weeks) – Reviewing documents, Sample testing and gathering evidence 

Completion & Reporting (1- 2 weeks) – Final checks and issuing the audit report

Meet the Team

Audit Director

John Hegney

Audit Manager

Shane Barton
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Get in touch with us for a FREE no obligation consultation