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UK Tax Preparation Services

PCS Global Group has over ten years of experience assisting businesses, expatriates, and UK Individuals to effectively manage their taxes in the UK

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Your Trusted Partner for Tax and Accounting Services in the UK

Our UK-based tax advisors prepare Self Assessment Tax (SA100) returns, Corporation Tax returns (CT600), assist with VAT returns, complete payroll taxes (P11D), ensure HMRC compliance, facilitate international tax structuring, and optimize cash flow.

Our trusted and reliable advice ensures you avoid penalties, capture every deduction, and simplify complex filings. Our professionals deliver tailored taxation solutions and ongoing support to reduce liability, enhance cash flow, and ensure compliance, so you can focus on the business expansion needed to reach your business goals.

Professional Tax Preparation Services for Businesses Across the UK

Staying compliant with UK tax laws is crucial for business security and its growth. PCS Global Group provides reliable taxes in the UK, ensuring your business meets all obligations while legally minimising your business's liabilities.

Our services include:
  • VAT return assistance (Monthly / Quarterly / Annual) covering all major schemes: Standard, Flat Rate, Cash Accounting, Annual Accounting, and Retail Schemes
  • Construction Industry Scheme (CIS300) return assistance for contractors and subcontractors
  • Corporation tax return (CT600) preparation and filing
  • Self Assessment return (SA100) preparation and filing
  • RTI submissions under IR35 regulations for payroll compliance
  • Bookkeeping, accounting support, and CFO services tailored to your needs

We make taxation easy to understand for UK businesses, offering full-service assistance so businesses can remain compliant and financially optimised.

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Your Partner for Accurate Expat Tax Preparation & Filing in the UK

As an expatriate or individual living in the UK, it can be challenging when it comes to tax law, as it is subject to residency status, sources of income, and HMRC requirements. At PCS Global Group, our specialist tax team can provide assistance to our clients to help correctly file their Self Assessment (SA100) returns, manage any foreign income, and be in the best position for their personal tax. We are also able to assist with partnership tax returns, trust tax returns, and compliance with HMRC requirements, as well as to lessen tax liabilities where possible. Through personal service to clients, accurate compliance, and ongoing service, we hope to take the stress out of taxes in the UK to give peace of mind to our Individuals and international clients.

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Self Assessment (SA100) Returns

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  • Accurate individual tax return preparation
  • HMRC-compliant submissions
  • Remote and online filing support
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Partnership & Trust Tax Assistance

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  • Partnership tax return preparation and filing
  • Trust tax return support for businesses and Individuals
  • Online and HMRC-compliant submissions
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Corporate Tax Planning & Advisory Services

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  • Strategic corporation tax (CT600) assistance
  • VAT planning and return assistance
  • Payroll and RTI compliance under IR35
  • Professional tax advisory for UK companies and SMEs
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Outsourced & Offshore Tax Services

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  • Remote tax preparation and assistance for UK-based businesses
  • Virtual filing solutions and offshore compliance support
  • Full-service outsourcing for international tax obligations


Fast Tax Refund Assistance

With PCS Global’s Tax Refund Advance, access funds quickly instead of waiting weeks.

*Terms & conditions apply.*

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Professional Tax Consulting and Advisory Services in the UK

With more than ten years of experience, PCS Global Group assists businesses, expats, and Individuals in the UK with their tax obligations to improve confidence. Our team of tax specialists offers tailored individual service for VAT returns, corporation tax (CT600) returns, self-assessment (SA100) tax returns, CIS300 tax returns, payroll compliance (RTI and IR35), and statutory reporting to Companies House. We pay close attention to ensuring your financial records are accurate around tax time and organised thereafter. Then we help proactively with some planning/advisory work to legally optimise tax efficiency, remain compliant with HMRC requirements, and maximise cash flow. Our tax consultants are based in London and offer dependable, straight-talking commercial advice, whether you are a small business, corporate contractor or an individual.

End-to-End Tax Preparation & Compliance Support for Businesses

PCS Global Group provides expert tax preparation and compliance solutions across the UK, helping businesses, accountants, and Individuals manage corporation tax (CT600), VAT returns, Self Assessment (SA100), CIS300, and RTI payroll submissions under IR35. Our London-based team ensures full HMRC compliance while optimising tax positions, providing reliable guidance, accurate filings, and ongoing tax assistance customised to each client’s needs.

520+

Accounting & Tax Professionals

10000+

Number of Annual Transactions

100+

Serving Clients Across All Industries

35+

Tools Used

2500+

Audit & Financial Statements

100++

Annual Tax Returns

Professional Tax Audit and Taxation Solutions in the UK

PCS Global Group delivers specialist tax compliance and audit services right across the UK. We assist both businesses and Individuals to ensure accurate financial records in the event of an HMRC inspection. The VAT audit, Corporation Tax (CT600) audit, Self Assessment (SA100) audit, and Cross Industry Scheme (CIS300) are all part and parcel of ensuring full compliance with statutory obligations. Our team, based in London, can also support and assist with audits to RTI payroll summaries and payslips that are required and submitted regularly, as well as statutory reporting to Companies House. We can assist in practical ways, with risk assessments and ongoing tax advice to limit liabilities and avoid penalties.

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Step-by-Step Guide to the UK Taxation Workflow

PCS Global Group follows a structured approach to provide seamless tax assistance in the UK, ensuring compliance with HMRC requirements while optimising financial outcomes:

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Initial Consultation & Tax Assessment

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  • Understand your business or personal tax situation, including income, expenses, and residency status.
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Financial Record Review

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  • Examine accounts, payroll, VAT records, CIS submissions, and other relevant documents.
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Strategic Tax Planning & Advisory

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  • Identify tax-saving opportunities, minimise liabilities, and ensure compliance with UK tax laws.
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Preparation of Tax Returns

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  • Complete CT600 (corporation tax), SA100 (self-assessment), VAT returns, CIS300, and RTI payroll filings accurately.
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Filing & HMRC Submission

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  • Submit returns electronically to HMRC and Companies House where required.
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Post-filing Support & Ongoing Assistance

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  • Provide guidance on audits, HMRC queries, payroll adjustments, and future tax planning.


Tools We Use

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Why Clients Choose PCS as Their Trusted Taxation Partner in the UK

PCS Global Group is a trusted name in tax assistance in the UK, having demonstrated an extensive level of expertise, occurrence of personal services, and adherence to compliance. Our tax advisers in London specialise in corporation tax return (CT600), VAT return, Self Assessment return (SA100), CIS300, and RTI payroll submissions under IR35 for businesses, contractors, and Individuals as their first point of support in practical capacity.

As experienced tax advisers, we use the latest technology to provide the best solutions for our clients, while providing planning for UK tax, corporate tax, audit support, compliance, and continued assistance. With bespoke planning and preparation services that comply with UK tax legislation, we help clients reduce liabilities, comply with HMRC requirements, and prepare to take action with confidence. With care to detail and proven results, PCS Global Group is the tax partner you can rely on and trust for all your tax concerns in a comprehensive tax service provision in the UK.

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FAQs – Taxation Services in UK

Comprehensive obligations including VAT, corporation tax, payroll, self-assessment, and CIS.

Yes, for HMRC compliance, maximising deductions, and avoiding penalties.

Absolutely. We provide full tax assistance in the UK including CT600, SA100, VAT returns, CIS300, and RTI filings.

Yes, with tailored solutions for SMEs, freelancers, and subcontractors.

Yes, including RTI submissions (FPS/EPS), P11D & P11D(b) filings, and NIC reporting.

Standard, Flat Rate, Cash Accounting, Annual Accounting, and Retail Schemes.

Yes, including CT600, SA100, and partnership or trust tax filings.

Yes, we provide strategic planning, compliance updates, and ongoing assistance.

Yes, including accounts to Companies House, VAT, and payroll reports.

We provide full offshore tax assistance, remote filing solutions, and HMRC-compliant advisory services.

Yes our UK tax expert advisors with all your personal savings allowance tax.

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