Professional Tax Advisory London - Strategic Tax Planning & Compliance
At Connaught Law, our specialist tax advisory London team provides comprehensive legal tax services combining deep knowledge of current tax legislation with strategic planning expertise to help individuals and businesses navigate complex tax obligations effectively. We understand that the UK tax landscape continues evolving rapidly, with significant changes including enhanced HMRC powers, revised rate structures, and new compliance requirements demanding expert legal guidance from qualified tax advisory specialists.
With recent developments including updated Making Tax Digital requirements from April 2025, revised interest rates on late payments, and enhanced penalties for non-compliance, professional tax advisory London services prove essential for maintaining compliance while optimising tax positions. Our tax advisory London team stays current with all legislative changes, tribunal precedents, and HMRC guidance to provide authoritative advice that protects your interests and ensures optimal tax outcomes in increasingly complex regulatory environments.
Whether you're facing HMRC investigations, require strategic tax planning, need compliance guidance, or seek representation in tax disputes, we provide clear legal advice while developing comprehensive strategies addressing your specific tax circumstances. Our multidisciplinary approach combines traditional legal expertise with innovative tax planning techniques, ensuring you receive practical solutions that deliver measurable results while maintaining full legal compliance throughout all tax matters.
2025 Tax Changes Alert: Significant tax changes affecting UK taxpayers from April 2025 include increased HMRC interest rates (base rate plus 4%), enhanced Making Tax Digital requirements, and revised penalty structures for late payments. Our tax advisory London team provides immediate guidance on compliance requirements and strategic planning to minimise tax exposure under new regulations.
How We Help with Tax Advisory Services
At Connaught Law, our tax advisory specialists provide comprehensive legal support spanning strategic tax planning, compliance guidance, HMRC dispute resolution, and specialist advisory services for complex tax situations. We combine extensive knowledge of UK tax law with practical business acumen to deliver solutions that optimise tax positions while ensuring full regulatory compliance across all tax obligations and reporting requirements.
Our approach recognises that effective tax advisory services require understanding both legal requirements and commercial objectives, enabling us to provide strategies that align with your business goals while minimising tax exposure. We work closely with clients to develop long-term tax planning strategies that adapt to changing regulations while maintaining compliance and supporting business growth through efficient tax structures and planning mechanisms.
Strategic Tax Planning and Compliance
We provide proactive tax planning services that anticipate regulatory changes and business developments, ensuring optimal tax positions across all activities. Our strategic approach includes comprehensive analysis of existing tax structures, identification of planning opportunities, and implementation of tax-efficient arrangements that deliver measurable benefits while maintaining full legal compliance and regulatory adherence.
Our compliance services ensure accurate reporting and timely submission of all tax returns, reducing HMRC investigation risks while optimising available reliefs and allowances. We maintain detailed knowledge of current tax legislation and work with clients to implement systems ensuring ongoing compliance despite changing regulations and increasing complexity in tax requirements affecting businesses and individuals.
- Strategic Tax Planning: Comprehensive analysis and long-term tax strategy development for optimal efficiency
- Compliance Management: Accurate reporting and timely submission of all tax returns and filings
- Tax Efficiency Reviews: Regular assessment of tax positions and identification of optimisation opportunities
- Regulatory Updates: Ongoing guidance on legislative changes and compliance requirements
- Risk Management: Proactive identification and mitigation of tax-related risks and exposures
Specialist Advisory Services for Complex Situations
We handle complex tax situations requiring specialist knowledge including international tax issues, corporate restructuring, mergers and acquisitions tax planning, and high-net-worth individual tax strategies. Our expertise extends to emerging tax areas including digital taxation, cryptocurrency taxation, and ESG-related tax considerations that require sophisticated understanding and strategic planning approaches.
Our specialist advisory services also encompass sector-specific tax guidance for industries with unique tax considerations, ensuring clients receive targeted advice addressing their specific operational and regulatory environments. We work with tax and corporate specialists to provide integrated solutions combining legal expertise with commercial understanding for optimal outcomes across all business activities and private client tax arrangements.
Our Comprehensive Tax Advisory Services
Business Tax Advisory and Corporate Tax Planning
Our business tax advisory services provide comprehensive support for companies of all sizes, from startups to multinational corporations, ensuring optimal tax structures and compliance across all business activities. We specialise in corporate tax planning, including group restructuring, acquisition tax planning, and international tax optimisation strategies that deliver measurable benefits while maintaining full regulatory compliance and commercial viability.
We provide ongoing support for business tax obligations including Corporation Tax compliance, VAT planning and disputes, employment tax guidance, and specialist reliefs such as R&D tax credits and capital allowances. Our integrated approach ensures all tax aspects of business operations receive appropriate attention while supporting overall business objectives and growth strategies through efficient tax planning and compliance management.
Non-Resident Taxation and International Tax Planning
Our non-resident taxation specialists provide expert advice for non-UK domiciled and non-resident individuals, navigating complex international tax issues including offshore structures, domicile status, and the remittance basis for optimal tax planning. We understand the unique challenges facing international clients and provide comprehensive strategies addressing cross-border tax implications and compliance requirements.
With the recent abolition of the remittance basis system from April 2025 and introduction of the new Foreign Income and Gains (FIG) regime, international tax planning requires specialist expertise to navigate transition requirements and optimize tax positions. Our international tax specialists provide comprehensive guidance on domicile and residence status, offshore trust structures, and strategic planning for individuals with international connections.
- Domicile and Residence Status: UK domicile assessments, residence testing, and statutory residence test applications
- Pre-Arrival Planning: Tax residence planning, asset restructuring, and family wealth structures
- Offshore Trust Structures: Trust establishment, beneficiary taxation, and protected trust elections
- Double Taxation Relief: Treaty claim procedures, foreign tax credit relief, and mutual agreement procedures
- Departure Planning: Exit tax implications, temporary non-residence rules, and asset disposal timing
Capital Allowances and Asset Tax Relief
Our capital allowances specialists maximize tax relief through comprehensive identification and claiming of capital allowances on business assets and property. We provide detailed analysis of qualifying expenditure to ensure you claim all available allowances on machinery, equipment, building improvements, and integral features, delivering significant tax savings through strategic planning and expert technical knowledge.
Capital allowances enable businesses to deduct qualifying capital expenditure from taxable profits, providing valuable tax relief on asset purchases and property improvements. Our experienced team conducts thorough assessments of business premises, equipment purchases, and renovation projects to identify maximum allowance opportunities while ensuring full compliance with HMRC requirements and technical regulations.
| Allowance Type |
Qualifying Items |
Relief Rate |
Key Benefits |
| Annual Investment Allowance |
Plant, machinery, equipment, commercial vehicles |
100% first-year relief |
Immediate tax deduction, cash flow benefit |
| Integral Features |
Electrical systems, heating, lifts, security systems |
Writing down allowances 18%/6% |
Significant relief on building improvements |
| Structures and Buildings |
Non-residential buildings, renovations |
3% straight-line relief |
Long-term tax relief over 33⅓ years |
| First Year Allowances |
Energy-efficient equipment, electric vehicles |
100% enhanced relief |
Environmental benefits, immediate deduction |
Corporate Tax Strategy and Compliance
Our corporate tax experts provide comprehensive advisory services for large groups and SMEs, focusing on tax burden control and effective rate optimization. We deliver personalized strategies encompassing tax strategy development, compliance management, and tax function enhancement to optimize your company's tax position while ensuring full regulatory compliance and supporting business objectives.
- Tax Strategy Development: Effective tax rate optimization, multi-jurisdictional planning, and group structure reviews
- Tax Compliance Management: Corporate tax returns, international compliance, and indirect tax obligations
- Tax Accounting Services: Income tax accounting, provision calculations, and FIN 48/FAS 109 compliance
- Tax Function Enhancement: Department structuring, skills assessment, and technology implementation
- Cash Tax Management: Payment scheduling, advance payment planning, and working capital optimization
Individual Tax Advisory and Personal Tax Planning
| Service Area |
Key Services |
2025 Changes |
Client Benefits |
| Income Tax Planning |
Strategic advice, return preparation, allowance optimisation |
Frozen thresholds until 2028, enhanced reporting requirements |
Optimised tax positions, compliance assurance |
| Capital Gains Tax |
Disposal planning, reliefs, timing strategies |
Increased rates (18%/24%), BADR changes to 14%/18% |
Minimised tax exposure, strategic disposal timing |
| Inheritance Tax |
Estate planning, reliefs, trust structures |
Frozen threshold at £325,000, business relief changes |
Effective estate planning, tax mitigation |
| Employment Tax |
IR35 compliance, benefits planning, payroll tax |
Revised CEST tool, increased NI rates, MTD expansion |
Compliance certainty, optimised employment structures |
| International Tax |
Non-dom planning, double taxation, residence issues |
Abolition of remittance basis, new FIG regime |
Smooth transition, optimised international structures |
VAT Advisory and Indirect Tax Services
Our VAT advisory services provide comprehensive support for businesses navigating complex VAT obligations, including registration requirements, compliance procedures, and strategic VAT planning to minimise liabilities while maintaining full regulatory compliance. We handle VAT disputes, tribunal representation, and provide specialist advice on complex VAT issues including partial exemption, place of supply rules, and international VAT considerations.
We also provide guidance on other indirect taxes including customs duties, excise duties, and emerging digital tax requirements affecting businesses operating across multiple jurisdictions. Our integrated approach ensures all indirect tax obligations receive appropriate attention while supporting overall business efficiency and compliance management through strategic planning and practical implementation guidance.
UK Tax Changes 2025 and Business Impact
Key Legislative Changes Affecting Taxpayers
The UK tax landscape experienced significant changes in 2025, with impacts affecting businesses and individuals across all sectors. Major developments include increased Capital Gains Tax rates, revised Making Tax Digital requirements, enhanced HMRC powers, and substantial changes to employment tax obligations requiring strategic planning and compliance adjustments from all taxpayers and business operators.
These changes reflect the government's ongoing efforts to increase tax revenue while simplifying compliance procedures, creating both challenges and opportunities for taxpayers. Our tax advisory London team provides comprehensive guidance on navigating these changes while maintaining compliance and optimising tax positions through strategic planning and proactive management of tax obligations under revised regulatory frameworks.
Critical 2025 Changes: Capital Gains Tax rates increased to 18%/24%, Business Asset Disposal Relief reduces to 14% (rising to 18% in 2026), HMRC interest rates increased by 1.5%, and Making Tax Digital extends to sole traders and landlords with income above £20,000 from April 2028. These changes require immediate strategic planning and compliance adjustments from our tax advisory London specialists.
Making Tax Digital and Enhanced Compliance Requirements
Making Tax Digital expansion represents a fundamental shift in how businesses interact with HMRC, requiring digital record-keeping and quarterly reporting for increasing numbers of taxpayers. The acceleration of MTD for income tax to April 2028 for sole traders and landlords with income above £20,000 creates significant compliance challenges requiring careful planning and system implementation to ensure smooth transition and ongoing compliance.
Enhanced compliance requirements also include mandatory reporting of business commencement and cessation dates, detailed dividend reporting for close company directors, and revised penalty structures for late submissions. These changes require comprehensive review of existing compliance procedures and implementation of systems supporting ongoing regulatory adherence while maintaining business efficiency and operational effectiveness.
Employment Tax and National Insurance Changes
Substantial changes to employment tax obligations include increased employer National Insurance rates to 15% and reduced thresholds to £96 per week, creating significant additional costs for businesses employing staff. These changes require careful workforce planning and review of employment structures to minimise additional tax burdens while maintaining operational effectiveness and competitive employment packages.
The Employment Allowance increase to £10,500 provides some relief for smaller employers, while revised IR35 rules and updated CEST tools create additional compliance requirements for businesses using contractors and consultants. Our employment tax specialists provide comprehensive guidance on navigating these changes while ensuring full compliance and optimal tax positions through strategic planning and practical implementation support.
HMRC Disputes and Tax Investigations
Professional Representation in Tax Disputes
At Connaught Law, our tax dispute specialists provide comprehensive representation in all forms of HMRC investigations, from routine enquiries to complex fraud investigations, ensuring your rights are protected while achieving optimal resolution outcomes. We understand the stress and complexity of tax disputes and provide clear guidance throughout investigation processes while maintaining professional relationships with HMRC officers and ensuring fair treatment under investigation procedures.
Our approach to tax disputes combines thorough preparation with strategic negotiation to achieve early resolution where possible, while maintaining readiness for tribunal proceedings when necessary. We handle all aspects of dispute management including initial response strategies, evidence gathering, negotiation processes, and tribunal representation, ensuring comprehensive support throughout dispute resolution processes regardless of complexity or duration.
Investigation Types and Defence Strategies
We handle all types of HMRC investigations including aspect enquiries, full enquiries, Code of Practice 8 investigations, and criminal investigations, providing appropriate defence strategies tailored to specific investigation circumstances and objectives. Our experience encompasses investigations across all tax types including income tax, corporation tax, VAT, employment taxes, and specialist areas requiring detailed technical knowledge and strategic planning.
Our investigation defence strategies focus on achieving early resolution through comprehensive case preparation, strategic disclosure where appropriate, and effective negotiation with HMRC officers. We provide ongoing support throughout investigation processes, including preparation for meetings, review of HMRC requests, and guidance on settlement opportunities while protecting client interests and achieving optimal outcomes through professional and strategic approach to dispute resolution.
- Aspect Enquiries: Targeted investigations of specific tax returns or particular issues
- Full Enquiries: Comprehensive review of all tax affairs for specified periods
- Code of Practice 8: Serious irregularities investigations with potential criminal implications
- VAT Investigations: Specialist VAT compliance reviews and fraud investigations
- Employment Tax Reviews: IR35, PAYE, and benefits investigations
Settlement Negotiations and Tribunal Representation
We provide expert negotiation services to achieve appropriate settlements with HMRC, balancing tax liabilities with penalty reductions and interest mitigation where possible. Our settlement negotiation strategies focus on achieving fair outcomes that reflect genuine tax positions while avoiding unnecessary penalties and reducing overall financial exposure through strategic approach to dispute resolution and effective advocacy on behalf of clients.
When settlement negotiations prove unsuccessful, we provide comprehensive tribunal representation including case preparation, evidence presentation, and advocacy before First-tier and Upper Tribunal judges. Our tribunal experience encompasses all areas of tax law and dispute resolution, ensuring skilled representation that maximises prospects for successful outcomes while providing clear guidance on prospects and strategy throughout tribunal proceedings following established tax tribunal procedures.
Our Transparent Fee Structure
We provide transparent, competitive pricing for tax advisory services aligned with current guideline hourly rates while offering comprehensive fee arrangements including fixed fees for specific services and retainer arrangements for ongoing advisory support. Our fee transparency ensures you understand all costs before proceeding with tax advisory services, making expert legal guidance accessible while delivering measurable value through strategic planning and compliance management.
Flexible Fee Arrangements and Value-Based Pricing
Connaught Law's approach to tax advisory fees includes flexible arrangements tailored to client needs and service requirements, from hourly rates for specific projects to monthly retainers for ongoing advisory support. We provide detailed fee estimates for all services, ensuring transparency and predictability in legal costs while delivering expert guidance that provides measurable value through tax savings, compliance assurance, and strategic business support.
Our value-based pricing approach recognises that effective tax advisory services should deliver tangible benefits exceeding legal costs through tax optimisation, compliance efficiency, and strategic planning outcomes. We work with clients to develop fee structures supporting their business objectives while ensuring access to expert legal guidance when needed, providing cost-effective solutions that deliver measurable results and ongoing value through professional tax advisory services.
- Free Initial Consultation: Comprehensive assessment of tax advisory needs with no upfront costs
- Hourly Rate Services: Competitive pricing for specific projects and one-off advisory needs
- Monthly Retainers: Ongoing advisory support with predictable monthly costs
- Fixed Fee Services: Transparent pricing for standard compliance and planning services
- Value-Based Pricing: Fee structures reflecting measurable benefits and tax savings achieved
Why Choose Connaught Law for Tax Advisory Services
At Connaught Law, our tax advisory London specialists combine deep legal expertise with practical business understanding to deliver comprehensive solutions addressing complex tax challenges facing modern businesses and individuals. Our track record demonstrates consistent success in achieving optimal tax outcomes while maintaining full regulatory compliance and supporting client business objectives through strategic planning and expert guidance tailored to specific circumstances and requirements.
We understand that effective tax advisory services require more than technical knowledge, demanding strategic thinking, commercial awareness, and practical implementation skills to deliver measurable results. Our client-focused approach ensures regular communication, clear explanations of complex tax issues, and practical guidance supporting informed decision-making while maintaining professional relationships that provide ongoing value and support throughout changing regulatory environments and business developments.
Proven Track Record and Client Success
Our tax advisory specialists have successfully guided businesses and individuals through complex tax challenges including major restructuring projects, international tax planning, HMRC investigations, and strategic tax optimisation programmes. We leverage extensive experience across all areas of UK tax law to provide authoritative guidance that delivers measurable results while maintaining full compliance and supporting client objectives through challenging regulatory environments.
Client testimonials consistently highlight our ability to simplify complex tax issues while providing practical solutions that deliver tangible benefits. Our approach combines technical excellence with clear communication, ensuring clients understand their tax positions and options while receiving expert guidance that supports informed decision-making and optimal outcomes across all tax matters and business activities.
Tax Advisory London - Strategic Planning and Compliance
Our tax advisory London specialists understand the unique challenges facing businesses and individuals in the capital, providing tailored strategies that address complex London-based tax situations while maintaining full regulatory compliance. We combine deep knowledge of UK tax law with practical understanding of London's business environment to deliver optimal tax planning solutions for our clients.
Comprehensive Service Integration
Connaught Law's tax advisory London services integrate seamlessly with our broader legal services including litigation support, property law, and employment law, providing comprehensive legal support addressing all aspects of business and personal legal needs. This integrated approach ensures consistent advice across all legal matters while leveraging expertise from multiple practice areas to deliver optimal outcomes for complex situations requiring multidisciplinary support.
Our multidisciplinary approach proves particularly valuable for businesses facing complex legal and tax challenges requiring coordinated strategies across multiple areas of law. We provide seamless service delivery that addresses all aspects of client needs while maintaining consistent quality and communication standards throughout all service areas, ensuring comprehensive support for complex business and personal legal requirements.
Frequently Asked Questions
What services do tax advisory London specialists provide?
Tax advisory London specialists provide comprehensive legal tax services including strategic tax planning, compliance guidance, HMRC dispute resolution, business tax advisory, personal tax planning, VAT advisory, international tax planning, and representation in tax investigations and tribunal proceedings. Our specialists combine legal expertise with practical business understanding to deliver optimal tax outcomes for London-based clients.
How do UK tax changes 2025 affect my business and personal tax obligations?
UK tax changes 2025 include increased Capital Gains Tax rates (18%/24%), higher employer National Insurance rates (15%), enhanced Making Tax Digital requirements, revised penalty structures, and increased HMRC interest rates. These changes require strategic planning and compliance adjustments. Our tax advisory specialists provide comprehensive guidance on navigating these changes while maintaining compliance and optimising tax positions.
What should I do if HMRC starts an investigation into my tax affairs?
If HMRC starts an investigation, contact specialist tax advisory solicitors immediately for professional representation. Do not respond to HMRC requests without legal advice. Our tax dispute specialists provide comprehensive investigation defence including initial response strategies, evidence gathering, negotiation with HMRC officers, and tribunal representation when necessary to protect your interests and achieve optimal outcomes.
How can tax advisory solicitors help reduce my tax liability legally?
Tax advisory solicitors help reduce tax liability through strategic tax planning, allowance optimisation, relief identification, timing strategies, structural planning, and compliance efficiency. We analyse your tax position comprehensively to identify legitimate opportunities for tax minimisation while ensuring full legal compliance. Our approach combines technical expertise with practical implementation to deliver measurable tax savings.
Do I need specialist tax advisory services for Making Tax Digital compliance?
Making Tax Digital compliance requires digital record-keeping and quarterly reporting systems that may need specialist implementation guidance. From April 2028, sole traders and landlords with income above £20,000 must comply with MTD requirements. Our tax advisory specialists provide comprehensive MTD guidance including system implementation, compliance procedures, and ongoing support to ensure smooth transition and regulatory adherence.
What are the benefits of ongoing tax advisory support versus one-off consultations?
Ongoing tax advisory support provides continuous compliance monitoring, proactive planning opportunities, immediate guidance on tax issues, relationship building with advisors, and strategic tax planning aligned with business developments. Regular advisory support ensures optimal tax positions while maintaining compliance during changing regulations, providing greater value than reactive one-off consultations through strategic planning and proactive risk management.
How do tax advisory solicitors differ from accountants in tax planning?
Tax advisory solicitors provide legal expertise in tax law interpretation, dispute resolution, tribunal representation, and complex tax planning requiring legal analysis. Unlike accountants, solicitors offer legal professional privilege, litigation support, and comprehensive legal advice on tax matters. Our approach combines legal expertise with practical tax planning to deliver comprehensive solutions addressing both legal and commercial aspects of tax matters.
What costs should I expect for professional tax advisory services?
Tax advisory service costs vary based on complexity and service requirements. We offer transparent pricing including hourly rates for specific projects, monthly retainers for ongoing support, and fixed fees for standard services. Our fee structure reflects service value and complexity while providing predictable costs. We provide detailed fee estimates before proceeding with any tax advisory work.
Expert Tax Advisory Legal Support
✓ Strategic Tax Planning
Comprehensive tax planning services combining legal expertise with practical business understanding to optimise tax positions and ensure compliance
✓ HMRC Dispute Resolution
Expert representation in tax investigations and disputes with professional negotiation and tribunal advocacy for optimal outcomes
✓ 2025 Tax Changes Guidance
Current guidance on UK tax changes 2025 including CGT rate increases, MTD requirements, and compliance obligations affecting all taxpayers
Tax advisory London expertise requires comprehensive knowledge of current tax legislation, strategic planning capabilities, and practical implementation skills to deliver optimal tax outcomes while maintaining full regulatory compliance and supporting business objectives across all tax matters and planning requirements.
With complex UK tax changes 2025 affecting all taxpayers including increased rates, enhanced compliance requirements, and revised penalties, professional tax advisory London services prove essential for maintaining compliance while optimising tax positions through strategic planning and expert guidance tailored to specific circumstances and business needs.
Contact our tax advisory London team at Connaught Law for comprehensive tax advisory services including strategic planning, compliance guidance, HMRC dispute resolution, and specialist advice on all aspects of UK tax law. Our experienced specialists provide expert guidance ensuring optimal tax outcomes while maintaining full regulatory compliance and supporting your business objectives.