Unwavering Compliance. Unlimited Scalability.

Business-Critical Outsourced Audit Services
for CAs in UK

Audit & Assurance Support Services

Regulatory compliance and audit readiness are mandated for modern businesses looking to thrive in today’s volatile environment. The need for timely, accurate, and easy-on-the-budget audit services is soaring rapidly. However, finding a proficient business audit outsourcing company in the UK remains a tough nut to crack. Upon speaking to hundreds of CAs in the UK, we at Datamatics Business Solutions (DBSL) have successfully built a 100% compliant business audit outsourcing the UK for Chartered Accountants.

Our expert-led audit services are scalable, compliant, and have been designed to unlock maximum value for your business. With over 15+ years of experience, a global team of 3000+ finance professionals, and support extended to 100+ CA firms, our audit outsourcing UK model delivers meticulousness, awareness, and steadfastness. Leveraging our audit services, our clients have successfully cut turnaround times by up to 40%, which has consequently helped them reduce their review cycles by 30%. Whether you need audit planning, fieldwork, or finalization—we have the expertise and the experts to handle the grunt work so your team can easily focus on strategy and value delivery.

Client testimonials.

Usually our work speaks for itself. At times, our delighted customers say a few nice things about our teams & their work.

Matt Godfrey - Director, Lince Salisbury, a leading CPA firm shares his experience of working with Datamatics and how the partnership has helped them scale their business. Watch the video for the complete testimonial.

“Datamatics offers best outsourced accounting services, which helped us streamline our accounting, saving us time and money!”

“The best-outsourced accounting service we’ve ever used—highly reliable!”

"The Datamatics team has been invaluable in handling our tax filing needs in the USA. With their support, we easily navigated seasonal volume issues, ensuring compliance and meeting deadlines. Their attention to detail, prompt responses, and personalized approach have made the entire process stress-free."

“We are delighted with the tax return preparation services provided by Datamatics Business Solutions. With their flexible and scalable services tailored to our needs, Datamatics exceeded all my expectations. The dedicated tax preparation team of Datamatics had a keen eye for attention to detail, and thoroughness in reviewing each tax return was impressive.”

“Datamatics’ knowledge of US tax laws and regulations is impeccable. We signed up with them for our client’s tax return preparation with absolute accuracy and compliance with all relevant rules. They adhere to all industry-leading data safety and confidentiality measures through robust safety protocols. We were always assured of the safety and confidentiality of our data, and it remained secure and protected.”

“As a CPA firm in Australia, we needed an outsourcing accounting service provider that could handle our accounting, bookkeeping, and tax preparation needs with minimal interference by our team. And the team of accounting experts at Datamatics Business Solutions exceeded our expectations. We were amazed by the professionalism and knowledge of accounting principles and practices their team showcased. ”

“Working with Datamatics Business Solutions for our accounting, bookkeeping, and tax preparation needs has been instrumental in our growth as a CPA firm in New Zealand. With their expertise and efficiency, we were able to streamline our accounting processes, manage peak season tax volumes, ensure business continuity during tough times, and, most importantly, focus on growing our client base.”

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Our Core Audit & Assurance Services.

Audit Planning & Support

With our team of Audit and Assurance support experts, we help our clients with end-to-end audit processing planning and execution, from engagement letter review to audit checklists, materiality settings, and risk-level determination, for flawless audit execution.

Audit Fieldwork

We thoroughly carry out our audit procedures, including walkthroughs, substantive and transaction testing, and analytical reviews, while preparing schedules and documenting findings aligned with the agreed audit plan.

Audit Finalization

We conduct our audit wrap-ups with utmost precision to ensure that everything from subsequent event reviews to checklist filing to account finalization and letter drafting meets stakeholders’ expectation.

Why Datamatics.

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CA clients in the UK

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experienced & qualified accounting professionals

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Explore More Outsourcing Services for Accounting Firms

Accounting Outsourcing

We deliver UK GAAP-compliant end-to-end general ledger, journal entries, reconciliations, month-end reporting solutions, and automation-ready workflows tailored for CA firms.

Bookkeeping Outsourcing

We enable complete financial visibility through comprehensive day-to-day financial transactions with timely invoice processing, payment tracking, fixed asset management, and clean reconciliations.

Tax Preparation Outsourcing UK

We offer efficient tax preparation and filing of self-assessments, corporation (CT600), partnership (SA800), and trust tax returns (SA900) while staying fully compliant with HMRC deadlines.

Payroll Outsourcing Services

We deliver accurate, secure, and completely compliant payroll services including payslip generation, RTI submissions, NHS pensions, P60/P35/P32 reports, and HMRC documentation for UK CA firms.

CPA Talk Series.

CPA Talk Series features accounting leaders navigating rapid change—AI, regulations, talent shifts, and global volatility. Here we unpack real challenges, share bold ideas, and spark fresh thinking to fuel sharper decisions, stronger teams, and future-ready finance.

Insights from the CA World.

Get the latest and hottest takes, trends, and insights on the topics relevant to CAs.

Accounting & Bookkeeping

Outsource & Grow Your Firm

Unwavering Compliance. Unlimited Scalability.

Business-Critical Outsourced Audit Services
for CAs in UK

Client testimonials.

Request a Free Trial