Improve Financial Control with Audit & Assurance Services UK

Certified Accountants Helping You Build Your Business

Save 100+ hours on compliance with audit and assurance services UK that reduce risk, strengthen control, and deliver clear, decision-ready financial reporting.

Build Stronger Financial Control and Stay Fully Compliant

Avoid missed deadlines, filing errors, and compliance gaps. Our annual accounts preparation UK services help identify issues early and keep your business fully compliant.

Decimal Accountancy follows UK accounting standards to ensure your year end accounts UK show a true and fair view, with reports ready for Companies House, HMRC, and stakeholders.

Comprehensive Audit Solutions

Statutory Audit Services UK

Our statutory audit services UK ensure full compliance with legal requirements and provide an independent opinion that meets Companies Act obligations.
Get Statutory Audit Help

External Audit Services UK

As a trusted external audit firm UK, we verify your financial position and deliver reports relied on by investors, banks, and regulators.
Request an External Audit

Internal Audit Services UK

Our internal audit services UK review controls, risks, and processes. We identify gaps early and help improve operational efficiency and oversight.
Book an Internal Audit Review

Financial Statement Audit Services

We deliver financial statement audit services that confirm your reports are accurate, complete, and aligned with recognised accounting and reporting standards.
Verify Your Financial Statements

SME Audit Services

Our SME audit services focus on key financial areas, helping growing businesses stay compliant, improve controls, and manage audit requirements efficiently.
Get SME Audit Pricing

Charity Audit Services UK

We provide charity audit services UK aligned with SORP and Charity Commission rules, ensuring accurate reporting and compliance for not-for-profit organisations.
Book a Charity Audit

Grant Assurance Services UK

Our grant assurance services UK confirm funds are used correctly and meet funding conditions, giving funders clear, reliable, and compliant reporting.
Check Your Grant Compliance

Audit Readiness Support

Our audit readiness support prepares your business for audits by fixing gaps early and ensuring your records meet required standards.
Start Audit Preparation

The Value of Professional Audit & Assurance Services

Avoid costly penalties, missed funding opportunities, and poor financial decisions caused by unclear or unreliable reporting. 

Our audit and assurance services UK give you clear, accurate insight to reduce risk and improve control. From internal audit services UK to financial statement audit services, we help you stay compliant, strengthen systems, and move forward with confidence.

When Does Your Business Need an Audit?

Legal Requirement

Set business size limits trigger mandatory audits. We ensure you follow Companies Act rules and meet filing deadlines.

Sale or Acquisition

Buyers need verified financial information before purchase. Checked accounts reduce their risk and support price negotiations.

Operational Review

Internal checks reveal control weaknesses and inefficiencies. We provide practical steps to improve your business processes.

Regulatory Compliance

Some sectors require specific audit types. We understand the rules for regulated industries and professional services firms.

Dedicated Account Manager

Focused Approach

UK Compliant

Clear Communication

Flexible Pricing

24/7 Full Support

Why Work With Decimal Accountancy?

Book Your Audit Consultation

Speak with Decimal Accountancy’s audit team about your requirements. We clarify your legal position, propose suitable services, and explain our approach.

Reviews From Our Clients

Thomas Gridd

"Decimal Accountancy provided excellent accounting services that gave me control and clarity over my finances. They were extremely helpful to my business because of their proactive approach, technical know-how, and amiable demeanor.

Alan Houston

"My accounts were expertly managed by Decimal Accountancy, who found savings and improved my financial performance." Their commitment, expertise, and individualized care have been crucial to the development and success of my company."

Ricky Franses

"My finances were streamlined and compliance was ensured by Decimal Accountancy, who delivered outstanding accounting services. I felt at ease knowing that I could concentrate on expanding my business thanks to their knowledge, meticulous attention to detail, and individualized support.

"Decimal Accounting: Accurate Data, Superior Service." Your reliable resource for clear financial statements and smooth accounting solutions.
Sarah John's

"Decimal Accountancy optimized my tax strategy and ensured compliance with their professional tax advice. I've saved time, money, and peace of mind thanks to their expertise, attentive service, and proactive approach.

Frequently Asked Questions

Statutory audits are required by law for larger businesses. Non-statutory audits are voluntary checks for specific business purposes.
We check your risk management and control systems. Unlike external audits, we look at operations and processes across the business
We review your systems before the audit starts. This finds gaps early and ensures the audit runs smoothly.
We follow International Standards on Auditing (UK) and FRC ethical standards. Our quality systems ensure consistent, thorough work.

Only auditors registered with recognised supervisory bodies. We hold the necessary registrations to conduct legal audits in the UK.

We provide a report with our opinion on your accounts. We also give suggestions to improve your financial controls.

We plan our work to minimise interference. Good preparation keeps disruption low and the process efficient.

Decimal Accountancy checks your controls and processes. Our findings help you improve operations and prevent problems before they occur.
Yes. Charities follow specific accounting rules. We provide audits that meet Charity Commission and SORP requirements.
It is independent checking that grant funds were spent correctly. We confirm compliance with grant conditions for funders.
Yes. Voluntary checks build confidence with lenders and investors. They also identify improvements before mandatory audits apply.

We need your financial statements, bank records, invoices, and supporting documents. We provide a detailed list at the start.

Costs depend on your business size and record quality. We provide fixed quotes after reviewing your specific situation.

Audit specifically checks financial statements. Assurance covers broader checks about controls, processes, and specific business areas.

Decimal Accountancy is a firm of Chartered Management Accountants who bring a friendly and professional approach to helping businesses with all aspects of accounting, taxation and bookkeeping.

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