Wichittra Johnstone
Clanfield ,Hampshire
Summary
I am an experienced professional with a background in compliance, customer service and case management, gained through roles within HM Revenue & Customs and previous customer-focused environments. I have developed strong analytical, problem-solving and communication skills, with experience reviewing complex information, managing workloads and building positive relationships with customers, colleagues and external stakeholders.
Throughout my career, I have been recognised for my attention to detail, ability to work accurately under pressure and commitment to delivering high standards of service. I enjoy learning new skills, adapting to different environments and taking on new challenges.
I am now seeking an opportunity where I can utilise my transferable skills, continue my professional development and make a positive contribution to a successful organisation.
Overview
16
16
years of professional experience
Work history
Compliance officer
HM Revenue and Customs
Portsmouth, Hampshire
2023.11 - 2026.04
- Managed varied caseload of Income Tax Self Assessment enquiries.
- Conducted detailed reviews of financial records, tax returns and supporting documentation.
- Investigated discrepancies relating to undeclared income and inaccurate expense claims.
- Examined bank statements, invoices, tenancy agreements and business records to establish accurate tax positions.
- Conducted enquiries involving Property Income, Self Employment and Capital Gains Tax matters.
- Applied tax legislation and HMRC guidance to determine appropriate compliance outcomes.
- Liaised with taxpayers, accountants and professional representatives throughout enquiries.
- Prepared assessments, closure notices and technical correspondence.
- Maintained accurate case records and managed statutory deadlines.
- Worked closely with technical specialists on more complex tax matters.
- Managed enquiries involving multiple tax years and complex financial records.
- Developed strong technical knowledge across Self Assessment, Property Income and Capital Gains Tax.
- Built positive working relationships with taxpayers and professional agents to achieve timely case resolution.
Self Assessment and PAYE advisor
HM Revenue and Customs
Portsmouth, Hampshire
2022.12 - 2023.11
- Provided guidance to taxpayers, accountants and agents on Self Assessment and PAYE matters.
- Assisted customers with tax return filing requirements, registrations, repayments and penalties.
- Resolved complex customer queries using HMRC guidance and legislation.
- Explained technical tax matters in clear and understandable way.
- Maintained accurate customer records across multiple systems.
- Escalated potential compliance concerns where appropriate.
Import & Export Documentation Consultant
Self Employed
Portsmouth, Hampshire
2017.03 - 2022.11
- Prepared import and export documentation for customers shipping goods internationally.
- Managed customs paperwork and financial documentation.
- Liaised with customs authorities and logistics providers.
- Provided English–Thai translation support.
- Delivered excellent customer service and maintained long-term client relationships.
Thai Speaking Travel Consultant Team Leader
Affinion International (CXLoyalty) - Night Shift
Portsmouth, Hampshire
2015.12 - 2016.06
- Managed daily team operations and service delivery.
- Conducted quality reviews and performance coaching.
- Handled escalated customer complaints and complex enquiries.
- Implemented new procedures and supported continuous improvement initiatives.
- Maintained high levels of customer satisfaction.
Guest Service Agent Supervisor
Radisson Suite Bangkok Sukhumvit
Bangkok
2010.09 - 2012.10
- Supervised reception operations and guest service delivery.
- Managed reservations, guest enquiries and billing processes.
- Trained and supported team members.
- Resolved customer issues professionally and efficiently.
- Maintained excellent guest satisfaction standards.
Education
Bachelor of Arts - Hospitality and Tourism Management
Dhurakij Pundit University
BangkokSkills
- Income Tax Self Assessment
- Property Income
- Capital Gains Tax
- Personal Tax Compliance
- Tax Legislation Interpretation
- Risk Assessment
- Tax Enquiries
Personal Tax
- Client Communication
- Portfolio Management
- Relationship Building
- Liaison with Professional Agents
- Customer Service
- Problem Solving
Client & Stakeholder Management
Additional Information
- Fluent in English and Thai
- Full UK Driving Licence
- Eligible to work in the UK
- Interested in studying ATT qualifications
- Based in Hampshire
Timeline
Compliance officer
HM Revenue and Customs
2023.11 - 2026.04
Self Assessment and PAYE advisor
HM Revenue and Customs
2022.12 - 2023.11
Import & Export Documentation Consultant
Self Employed
2017.03 - 2022.11
Thai Speaking Travel Consultant Team Leader
Affinion International (CXLoyalty) - Night Shift
2015.12 - 2016.06
Guest Service Agent Supervisor
Radisson Suite Bangkok Sukhumvit
2010.09 - 2012.10
Bachelor of Arts - Hospitality and Tourism Management
Dhurakij Pundit University