About Us1GLOBAL is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform with its own owned and operated global mobile core network in 15 countries, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses; 1GLOBAL operates as a fully regulated telecommunications provider across 43 countries worldwide.The company serves many of the world’s leading banks, multinational enterprises, global retailers and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than 80 million people and devices globally, enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem.1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding US$200 million and profits of over US$25 million, we generate strong cash flows to fund our growth allowing us to continuously invest in infrastructure, platform innovation, and global expansion. In 2026 also the parent of the Lidl Group acquired a 10% interest in 1GLOBAL as part of a deal for Lidl to offer globally to its 180 million consumers communication services. Recent years have marked a defining phase in 1GLOBAL’s journey, with major enterprise and mass-consumer client wins accelerating its evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own aspirations to offer telecommunications services to their clients.Founded in 2022 by experienced technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has rapidly emerged as a European technology leader shaping the future of global telecommunications. It operates as a fully regulated Mobile Virtual Network Operator (MVNO) in 15 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, its team of close to 550 experts across 16 countries is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence.About the RoleThe Tax Manager role sits within the Finance team, reporting directly to the Finance Director, and is based in our Amsterdam, Netherlands office. The primary focus will be on managing the tax affairs of the group, including corporate tax, indirect taxes, transfer pricing, and capital taxes across multiple regions. As 1GLOBAL continues to grow as a complex international business, this role offers exposure to a wide range of tax areas across multiple geographies, including the EU, UK, APAC, with close collaboration with our US and Brazilian tax specialists. This is an exciting opportunity for a tax professional looking to develop in a dynamic, multinational environment with diverse and evolving tax challenges. About the Responsibilities Tax Compliance & Management Manage the group's tax affairs including corporate tax, indirect taxes, transfer pricing, and withholding taxes. Review VAT and corporate tax returns prepared in-house and by agents across EU, UK, and APAC regions. Ensure transfer pricing documentation is up-to-date and compliant with international standards. Deal with tax queries from across the business, providing expert guidance and solutions. Tax Advisory & Planning Research tax issues affecting the group and provide strategic advice to management. Stay abreast of tax changes and developments that impact the group across all relevant jurisdictions. Work closely with external tax advisors on significant tax projects and initiatives. Provide tax input on commercial decisions, new market entries, and business reorganisations. Tax Technology & Process Optimisation Demonstrate fluency with tax technology solutions to enhance efficiency and compliance. Identify opportunities to streamline tax processes and enhance compliance efficiency. Support the implementation and optimisation of tax technology platforms. Develop robust tax data management systems to support accurate and timely reporting. Relationship Management Manage relationships with tax agents and authorities across multiple jurisdictions. Work closely with our US tax and Brazilian tax specialists to ensure global tax compliance. Collaborate with finance teams across the group to ensure tax considerations are integrated into financial planning. Build strong relationships with key stakeholders across the business to promote tax awareness. RequirementsAbout YouMust HaveRelevant professional tax qualifications (e.g., RA, RB, CTA, or equivalent). Strong experience in corporate tax, indirect taxes, transfer pricing. Experience managing tax affairs across multiple jurisdictions, particularly in the EU, UK, and APAC regions. Strong knowledge of consumer digital indirect taxes and international tax regulations. Proven ability to research complex tax issues and implement practical solutions. Experience in reviewing tax returns and ensuring compliance with local regulations. Excellent communication skills with the ability to explain complex tax matters to non-tax professionals. Nice to HaveExperience in the telecommunications or technology sectors. Knowledge of US and/or Brazilian tax systems. Fluency with tax technology platforms and solutions. BenefitsWhy 1GLOBAL?Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% year-on-year under the leadership of successful tech entrepreneurs.Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors and constantly being exposed to talented and driven individuals.Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.
About Us
1GLOBAL is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform with its own owned and operated global mobile core network in 15 countries, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses; 1GLOBAL operates as a fully regulated telecommunications provider across 43 countries worldwide.
The company serves many of the world’s leading banks, multinational enterprises, global retailers and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than 80 million people and devices globally, enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem.
1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding US$200 million and profits of over US$25 million, we generate strong cash flows to fund our growth allowing us to continuously invest in infrastructure, platform innovation, and global expansion. In 2026 also the parent of the Lidl Group acquired a 10% interest in 1GLOBAL as part of a deal for Lidl to offer globally to its 180 million consumers communication services. Recent years have marked a defining phase in 1GLOBAL’s journey, with major enterprise and mass-consumer client wins accelerating its evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own aspirations to offer telecommunications services to their clients.
Founded in 2022 by experienced technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has rapidly emerged as a European technology leader shaping the future of global telecommunications. It operates as a fully regulated Mobile Virtual Network Operator (MVNO) in 15 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, its team of close to 550 experts across 16 countries is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence.
About the Role
The Tax Manager role sits within the Finance team, reporting directly to the Finance Director, and is based in our Amsterdam, Netherlands office. The primary focus will be on managing the tax affairs of the group, including corporate tax, indirect taxes, transfer pricing, and capital taxes across multiple regions. As 1GLOBAL continues to grow as a complex international business, this role offers exposure to a wide range of tax areas across multiple geographies, including the EU, UK, APAC, with close collaboration with our US and Brazilian tax specialists. This is an exciting opportunity for a tax professional looking to develop in a dynamic, multinational environment with diverse and evolving tax challenges.
About the Responsibilities
Tax Compliance & Management
- Manage the group's tax affairs including corporate tax, indirect taxes, transfer pricing, and withholding taxes.
- Review VAT and corporate tax returns prepared in-house and by agents across EU, UK, and APAC regions.
- Ensure transfer pricing documentation is up-to-date and compliant with international standards.
- Deal with tax queries from across the business, providing expert guidance and solutions.
Tax Advisory & Planning
- Research tax issues affecting the group and provide strategic advice to management.
- Stay abreast of tax changes and developments that impact the group across all relevant jurisdictions.
- Work closely with external tax advisors on significant tax projects and initiatives.
- Provide tax input on commercial decisions, new market entries, and business reorganisations.
Tax Technology & Process Optimisation
- Demonstrate fluency with tax technology solutions to enhance efficiency and compliance.
- Identify opportunities to streamline tax processes and enhance compliance efficiency.
- Support the implementation and optimisation of tax technology platforms.
- Develop robust tax data management systems to support accurate and timely reporting.
Relationship Management
- Manage relationships with tax agents and authorities across multiple jurisdictions.
- Work closely with our US tax and Brazilian tax specialists to ensure global tax compliance.
- Collaborate with finance teams across the group to ensure tax considerations are integrated into financial planning.
- Build strong relationships with key stakeholders across the business to promote tax awareness.
Requirements
About You
Must Have
- Relevant professional tax qualifications (e.g., RA, RB, CTA, or equivalent).
- Strong experience in corporate tax, indirect taxes, transfer pricing.
- Experience managing tax affairs across multiple jurisdictions, particularly in the EU, UK, and APAC regions.
- Strong knowledge of consumer digital indirect taxes and international tax regulations.
- Proven ability to research complex tax issues and implement practical solutions.
- Experience in reviewing tax returns and ensuring compliance with local regulations.
- Excellent communication skills with the ability to explain complex tax matters to non-tax professionals.
Nice to Have
- Experience in the telecommunications or technology sectors.
- Knowledge of US and/or Brazilian tax systems.
- Fluency with tax technology platforms and solutions.
Benefits
Why 1GLOBAL?
- Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% year-on-year under the leadership of successful tech entrepreneurs.
- Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
- Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors and constantly being exposed to talented and driven individuals.
- Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
- Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
- International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
- Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
- Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.
1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.
As a global specialty telecommunications provider, 1GLOBAL serves financial institutions, enterprises, mobile network operators, and consumers across 42 countries, offering fully regulated voice, data, and SMS services. As pioneers in the eSIM revolution, we’ve built a complete ecosystem that drives our growth with partners such as Apple, Palo Alto Networks and Google, while attracting customers like Goldman Sachs, JP Morgan, Revolut, Netflix and TeslaBy pioneering global connectivity solutions, 1GLOBAL leads the new generation of digital transformation with a suite of products designed to revolutionise communication and compliance across borders. Every offering reflects our unwavering commitment to excellence for Enterprise, IoT, Mobile Operators, Financial Institutions and many more global businesses.Join us at 1GLOBAL and be part of that journey of massive growth, while forming the future of the global communication industry!
As a global specialty telecommunications provider, 1GLOBAL serves financial institutions, enterprises, mobile network operators, and consumers across 42 countries, offering fully regulated voice, data, and SMS services. As pioneers in the eSIM revolution, we’ve built a complete ecosystem that drives our growth with partners such as Apple, Palo Alto Networks and Google, while attracting customers like Goldman Sachs, JP Morgan, Revolut, Netflix and Tesla
By pioneering global connectivity solutions, 1GLOBAL leads the new generation of digital transformation with a suite of products designed to revolutionise communication and compliance across borders. Every offering reflects our unwavering commitment to excellence for Enterprise, IoT, Mobile Operators, Financial Institutions and many more global businesses.
Join us at 1GLOBAL and be part of that journey of massive growth, while forming the future of the global communication industry!
