About O'Connor & Associates

About Us

O'Connor & Associates is a firm with over 20 years of experience, specialising in European accountancy services, taxation advice and social insurance for companies and individuals within the airline, aviation and other industries.

We are experts in the following fields:

• European taxation & social insurance
• Airline, aviation and high-tech industries
• European and pan-European payroll services
• Online self-service accountancy

The firm has many associates specialising in various fields such as corporate entities, payroll administration and online high-tech accounting packages. We are proud of the quality of our customer service, and of our efficiency and accuracy in all areas of our business.

Our staff are highly trained in all aspects of the business, particularly in accounting for contractors. We ensure that your 'Start Up' process is fast, efficient and client-friendly. Our aim is to offer contractors a high-tech, user-friendly service that caters for all your limited company and personal needs. We offer a relationship based on mutual trust and we are 100% committed to our clients.

Our Expertise

• European tax legislation
• Social insurance in Europe
• Financial services for the airline, aviation and high-tech industries
• European payroll services
• Developing online self-service accountancy systems

What You Get

• Maximum take home pay
• No charges or sign-up fees
• A service fully compliant with European tax and social insurance legislation
• Access to an online expense system that will enable you to optimise your expense allowances
• A website that is fully accessible through your smartphone browser
• A fast turnaround on getting set up as an independent contractor
• And much more…

This is What We Do

At O'Connor & Associates, we provide end-to-end solutions for contractors, businesses, and individuals across Europe. Our services cover every financial and compliance aspect you need, allowing you to operate with confidence while maximising your income and remaining fully compliant.

• Payroll Management: Complete payroll processing for contractors and employees across multiple EU jurisdictions, ensuring compliance and efficiency.
• Tax Returns: Preparation and submission of UK, Irish, and European tax returns to help you reclaim what’s yours.
• Social Insurance Management: Guidance and processing of social insurance (PRSI, NIC, etc.) for mobile workers and international contractors.
• Contractor set up & Support: We establish limited companies, manage registrations, and provide continuous support for European contractors.
• Employer Solutions: Payroll outsourcing, compliance consulting, and tax advice for employers in aviation, logistics, and tech industries.
• Expense Management: Easy-to-use systems for logging, tracking, and maximising allowable business expenses via our client portal and mobile app.

We combine the best of technology and professional expertise to deliver a seamless, modern accounting experience. Whether you're a contractor flying across Europe, an employer managing a distributed workforce, or an individual looking for reliable tax support — O'Connor & Associates is your trusted financial partner.