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Business Details
37 Years
experience
Specialist Seafarers Tax Advice Doncaster
Established in 1989, SK Tax Service has built a reputation as a specialist in seafarers' tax advisory services. Our expertise stems from over three decades of dedicated focus on income tax matters for maritime professionals, including merchant seamen, super-yacht crew, and offshore workers. The founding director, Steve King, has provided tax advice to seafarers since 1979, combining personal service with technical excellence. We specialise in navigating complex tax regulations to ensure clients receive maximum refunds through the Seafarer's Earnings Deduction allowance. Our team of experienced advisors offers tailored guidance on non-residency claims and self-assessment compliance.

We maintain a client-centric approach, providing 24/7 access to our central database for immediate qualification checks. Registered with HMRC and compliant with Money Laundering Regulations, we combine regulatory expertise with practical support for seafarers' tax affairs. Our fee structure includes reduced rates for long-term clients and comprehensive reviews of tax history up to four years. We also collaborate with financial partners to offer integrated solutions for superyacht crew. With a proven track record of securing millions in tax refunds, we prioritise transparency and stress-free compliance for maritime professionals.
Services
Seafarers Tax Advice Tax Return Submission Non-Residency Claims SED Allowance Claims Audit Assistance
Details
  • Year established: 1989
Highlights and features
  • 36 years' specialist experience in seafarers' tax affairs
  • 100% tax refunds secured for qualifying clients
  • Personalised service with immediate qualification checks
  • Comprehensive four-year tax history review included
  • Collaboration with marine financial planning experts
Associations and certifications
  • Registered under Money Laundering Regulations
  • Information Commissioner's Office (ICO)
What people say
Thorough, easy and super helpful Indispensable to me Professional service for good price Handled queries quickly Financially best decision
Services
Seafarers Tax Advice
Specialist tax advisory service for maritime professionals seeking Seafarer's Earnings Deduction. We provide expert guidance on qualifying criteria, documentation requirements, and HMRC compliance procedures. Our advisors help clients maximise tax refunds while maintaining full regulatory compliance.
Tax Return Submission
Comprehensive tax return preparation and submission service for seafarers. Includes review of four-year tax history, calculation of eligible deductions, and timely filing with HMRC. We handle all correspondence and documentation requirements on behalf of clients.
Non-Residency Claims
Expert assessment of non-residency tax status eligibility for offshore workers. We analyse employment patterns, travel records, and tax obligations to determine optimal residency classification and associated tax benefits.
SED Allowance Claims
Specialist support for claiming Seafarer's Earnings Deduction. We verify qualifying periods, calculate eligible amounts, and manage the complete claims process with HMRC to ensure maximum refunds for eligible maritime professionals.
Audit Assistance
Professional representation and support during HMRC audits. Our service includes document preparation, response drafting, and ongoing communication with tax authorities to ensure compliant resolution of audit inquiries.
People
Steve King
Founder
With 36 years' experience in seafarers' tax affairs, Steve established SK Tax Service in 1989 after co-founding Seatax Ltd in 1979. He specialises in complex tax cases and regulatory compliance for maritime professionals.
Helen Garner
Senior Tax Adviser
Experienced tax adviser with extensive expertise in seafarers' deductions and non-residency claims. Provides specialist guidance to clients on maximising tax refunds while maintaining HMRC compliance.
Amy King
Tax Adviser
Dedicated tax adviser focusing on superyacht crew tax matters. Offers practical solutions for complex tax situations and provides clear guidance on qualifying for Seafarer's Earnings Deduction.
Lauren Long
Tax Consultant
Specialist in offshore workers' tax compliance. Provides expert advice on tax status determination and documentation requirements for seafarers working in international waters.
Rachel Johnson
Client Services Manager
Manages client relationships and ensures timely processing of tax claims. Coordinates with HMRC on behalf of clients and provides ongoing support throughout the tax submission process.
Questions
Am I eligible for Seafarer's Earnings Deduction?
If you work outside the UK for significant periods on qualifying vessels, you likely qualify. We'll assess your specific circumstances and travel records to confirm eligibility.
How much can I claim back in tax refunds?
Qualifying seafarers can receive 100% tax refunds. We'll calculate your exact entitlement based on qualifying periods and income level during your offshore employment.
What documents do I need for my tax claim?
We require employment contracts, travel records, and payslips. Our checklist ensures you provide all necessary documentation for a complete and successful tax claim submission.
How long does the tax claim process take?
Most claims process within 4-6 weeks after submission. We prioritise timely filing and maintain regular communication with HMRC to expedite refund processing.
Do you handle historic tax returns?
Yes, we process outstanding returns up to four years retrospectively at reduced fees. We'll review your tax history to identify all potential refund opportunities.
Can I get help with tax audits?
We provide full audit support including document preparation, response drafting, and HMRC communication. Our service ensures compliant resolution of any tax authority inquiries.