Trusted by 100+ UK accountancy firms

Scale Your UK Accounting Firm Without Hiring More Staff

Dedicated offshore accountants, bookkeepers and tax professionals helping UK practices increase capacity, improve margins and eliminate recruitment headaches.

Capacity

+62% this quarter

Compliance

ISO 27001 • GDPR

Certified, compliant & integrated with the platforms you use

Accounting Professionals

0 +

Years Experience

0 +

UK Clients Supported

0 +

Global Offices

0 +

Staff Cost Savings

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Client Retention

0 %+

The Reality

The Challenges Facing UK Accounting Firms

Recognise these? You’re not alone. We’ve helped 100+ UK firms move past them.

Recruitment Difficulties

Struggling to find qualified UK-trained accounting staff in a tight talent market.

Tax Season Pressure

Overwhelmed teams during peak self-assessment and corporation tax deadlines.

Rising Costs

Salaries, benefits and overheads eating into your practice margins year after year.

Capacity Constraints

Struggling to find qualified UK-trained accounting staff in a tight talent market.

Staff Turnover

Losing experienced staff to competitors and starting the recruitment cycle again.

Growth Bottlenecks

Practice growth limited by your ability to hire, train and retain finance staff.

From overwhelmed to
operationally elegant

We embed dedicated offshore teams into your workflow — using your software, your processes, your standards. The result: a calm, scalable engine room behind your practice.

What We Do

Accounting Outsourcing Services

A complete suite delivered by UK-trained accountants — pick what you need, scale up when you want.

Bookkeeping

Daily, weekly or monthly bookkeeping — fully reconciled and reported.

VAT Returns

MTD-compliant VAT preparation, review and HMRC submission.

Accounts Preparation

Year-end statutory accounts under FRS 102 / 105, Companies House ready.

Personal Tax Returns

Self-assessment preparation for individuals, sole traders and partners.

Corporation Tax

CT600 returns, computations and HMRC correspondence support.

Audit Support

Audit testing, vouching, sampling and working paper preparation.

Payroll Services

End-to-end weekly and monthly payroll with RTI and pensions.

Management Accounts

Monthly management packs with KPIs your partners can act on.

Why choose us

Why Leading UK Accounting Firms Choose Finex

A partnership built on UK technical expertise, watertight security and the operational discipline of a top-tier finance function.

Dedicated Teams

Your own ring-fenced offshore team — not a shared pool.

UK Accounting Expertise

ACCA & ICAEW-trained staff fluent in UK GAAP and HMRC.

GDPR Compliance

Data processing agreements, DPO oversight and audit trails.

ISO 27001 Security

Independently certified information security management.

Flexible Scaling

Add or reduce capacity within weeks, not quarters.

Significant Cost Savings

Up to 60% lower fully-loaded cost vs UK in-house hire.

Proven Track Record

100+ UK firms, 95%+ retention, 15+ years of delivery.

Our Process

Simple. Secure. Scalable.

Live within 3–4 weeks. No long-term lock-in. No drama.

Discovery Call

We map your workload, software stack and quality standards.

Team Allocation

We ring-fence UK-trained staff matched to your engagement type.

Secure Onboarding

Encrypted access, SOPs, GDPR DPA and a structured ramp-up.

Ongoing Delivery

SLA-driven output, weekly check-ins and continuous improvement.

Who We Serve

Built for UK accounting & finance teams

Accountancy Practices

End-to-end compliance and advisory support for general practices.

Chartered Accountants

ICAEW-aligned delivery with senior reviewer oversight.

Bookkeeping Firms

High-volume processing engines for bookkeeping-first practices.

Audit Firms

Audit testing, working papers and busy-season surge capacity.

Tax Advisory Firms

Personal, corporate and specialist tax computation support.

SME Finance Teams

Outsourced finance function for fast-growing UK businesses.

CASE STUDIES

Real Results For Real Accounting Firms

Outcomes we’ve delivered for UK practices like yours.

Improving profitability by 40_50% in the tax season

Audit Outsourcing Services for Accounting Practices

TESTIMONIALS

What our clients say

Real results from real practices.

“FineX transformed our tax season. We processed 40% more returns without hiring a single extra person. The quality was exceptional.”

James Richardson

Managing Partner, Top 20 UK Accountancy Firm

“Moving our bookkeeping to FineX saved us over £80,000 annually. Their team integrates seamlessly with our Xero workflows.”

Sarah Mitchell

Practice Manager, Mitchell & Associates

“The audit support team at FineX is outstanding. They understand UK standards and deliver working papers faster than our in-house team.”

David Thompson

Audit Director, Regional Audit Practice

FAQ

Frequently Asked Questions

Everything you need to know about our care services. If your question is not here, get in touch and we will be happy to help.

How does accounting outsourcing actually work for UK firms?

We act as a seamless extension of your practice. Your team delegates tasks like bookkeeping, VAT, self-assessments, or audit support to our UK-qualified professionals based offshore. You stay in control, while we handle the heavy lifting.

Why are so many UK firms outsourcing accounting work now?

It helps firms handle seasonal spikes, reduce costs, and scale without the hassle of hiring. It also frees up your senior staff to focus on reviews, strategy, and client work.

Can I outsource self-assessment returns to an offshore team?

Yes. We’ve processed over 15,000+ self-assessment returns for UK firms. With accurate file prep, prompt turnaround, and direct system access, we ensure compliance and efficiency.

How does audit outsourcing work?

We support your internal audit team or external audit practice by preparing documentation, files, and working papers in line with UK standards. We don’t provide opinions—just technical support to help you deliver faster.

Is outsourced bookkeeping reliable and secure?

Absolutely. We use your cloud tools (Xero, QuickBooks, FreeAgent), follow UK workflows, and ensure every task is reviewed before delivery. We’re ISO 27001 certified and GDPR compliant.

What does it cost to outsource accounting services?

Costs vary based on workload and complexity. We offer flexible packages—hourly, part-time, or dedicated resources—often at a fraction of the cost of hiring in-house

What services can I outsource to Finex?

Bookkeeping, VAT, year-end accounts, self-assessments, corporation tax, payroll, audit support, credit control, and more.

How can outsourcing help my firm during tax season?

You’ll gain instant access to qualified professionals without the onboarding lag. Scale up in weeks—not months—when client files flood in.

How secure is outsourcing client data?

We’re GDPR compliant, ISO 27001 certified, and never store client data locally. Our team accesses your systems only—no third-party handling or sub-processors.

How do I start outsourcing with Finex?

We’re GDPR compliant, ISO 27001 certified, and never store client data locally. Our team accesses your systems only—no third-party handling or sub-processors.

Free 30-minute consultation

Ready To Scale Your Accounting Firm?

Increase capacity, reduce costs, and focus on growing your practice with Finex Outsourcing.