As a key member of the global payroll team, the Payroll Administrator will support the Payroll Manager in delivering accurate, timely, and compliant payroll services, with a primary focus on US payroll operations. The role will also provide support for Employer of Record (EOR) populations and other international payrolls (UK and APAC) where required. The successful candidate will have experience supporting US payroll operations and exposure to Employer of Record (EOR) arrangements across multiple jurisdictions. This position is ideal for a detail-oriented professional with strong analytical skills and a passion for process improvement. The Payroll Administrator will play a vital role in payroll processing, reporting, compliance, and systems support within a dynamic, fast-paced, and PE-backed environment.
Key Responsibilities
1. Payroll Processing & Compliance
- Assist in the preparation and execution of US payrolls, including multi-state payroll processing, payroll tax administration, and compliance activities. Provide secondary support for UK, APAC and EOR payrolls as required.
- Input and ensure payroll data is accurate and complete, including new hires, terminations, salary changes, deductions, benefits etc.
- Support US payroll tax reporting and compliance requirements, including federal, state, and local payroll tax obligations, year-end reporting activities, and reconciliation processes. Assist with statutory reporting requirements in other jurisdictions where required.
- Maintain compliance with US payroll legislation, wage and hour requirements, federal and state tax regulations, and internal payroll controls. Monitor legislative changes and support implementation of payroll compliance updates.
- Provide support with month-end and year-end payroll activities for all jurisdictions.
- Support payroll administration for Employer of Record (EOR) populations, partnering with external providers to ensure payroll accuracy, compliance, reporting, and employee data integrity.
- Support quarter-end and year-end payroll activities, including W-2 administration, payroll reconciliations, tax reporting, and audit requests.
- Perform payroll tax reconciliations and assist with the resolution of federal, state and local tax notices.
2. Data Management & Reporting
- Maintain payroll records ensuring accuracy and data integrity across all systems.
- Prepare payroll reports and analytics for Finance, HR, Tax and the Leadership team.
- Support audit requests and internal reviews by providing accurate documentation in a timely manner.
- Perform payroll reconciliations including tax, benefit, and general ledger reporting for US payroll entities.
3. Systems & Technology
- Support payroll system operations and integrations with HRIS and finance platforms (e.g., Workday).
- Assist with system upgrades, testing, and automation initiatives.
- Ensure data confidentiality and security in all payroll-related activities.
4. Process Improvement & Controls
- Identify opportunities to streamline payroll processes and improve accuracy.
- Assist in implementing and maintaining internal controls.
- Contribute to the development, improvement and documentation of standardised procedures.
- Identify and escalate discrepancies, errors, or process issues.
5. Stakeholder Support
- Respond to employee payroll queries in a timely and professional manner.
- Collaborate with HR, Finance and external vendors to resolve payroll issues.
- Liaise with US employees, HR teams, payroll vendors, tax providers, and EOR partners to resolve payroll and compliance-related queries.
6. Ad Hoc Projects
- Support strategic initiatives and special projects as required by senior leadership, including finance system implementations, global payroll provider transition/migration, and business case development.
Skills Knowledge and Expertise
Technical & Analytical Skills
- Strong understanding of US payroll operations, including multi-state payroll processing, federal, state and local payroll taxes, wage and hour legislation, and payroll compliance requirements.
- Experience administering payroll deductions including garnishments, benefits and tax-related adjustments.
- Proficiency in Excel and experience with payroll systems (Workday and ADP preferred).
- Ability to analyse data, identify discrepancies, and resolve issues.
Process Orientation
- High attention to detail and commitment to accuracy in data entry, calculations, documentation etc.
- Proactive approach to identifying issues, investigating discrepancies, recommending solutions, solving problems, and improving processes.
- Strong organisational skills and the ability to manage workload, priorities, and multiple payroll deadlines effectively.
- Experience of working in a controlled, compliance-focused environment.
Communication & Collaboration
- Strong and clear written and verbal communication skills.
- Ability to work effectively with cross-functional teams.
- Service-oriented mindset with a focus on employee experience.
Experience & Qualifications:
- Hands-on experience processing US payrolls, ideally across multiple states.
- Knowledge of US payroll tax legislation, compliance requirements, and year-end processes (e.g. W-2 reporting).
- Experience working with Employer of Record (EOR) providers such as Deel, Remofirst and Hyer is highly desirable.
- Exposure to international payrolls (UK, APAC, EMEA) would be advantageous.
- Experience supporting payroll audits, reconciliations, and compliance activities.
About Centellic
Centellic stands at the center of the markets it serves, empowering organizations with indispensable data and insight to make critical decisions on growth, risk and opportunity.
Through proprietary data, deep market expertise and AI-enabled technology, our platforms are embedded in client workflows. That capability is underpinned by our events, which bring the market together to share perspective and deepen understanding of the issues shaping each sector. Together, they give organizations earlier visibility of emerging trends, and the clarity and confidence to act when decisions matter.
At Centellic, we’re a global intelligence and information services business, setting the standard for how critical business decisions are made.
Why Centellic?
At Centellic, we help our clients make better decisions, and our people are at the heart of that work. Every individual plays an important role in this, bringing curiosity and high standards to everything they do.
Those who thrive here take ownership, care deeply about their work and are committed to excellence. Standards are high because our people set them that way. And while we have decades of expertise, we are still growing, pushing and building something extraordinary.
Centellic’s advantage is our people and the culture we’ve created together. It’s an environment where individuality is encouraged, relationships are genuine, and there’s a strong sense of purpose in what we’re building together. Collaborative, respectful and driven, we take our work seriously without taking ourselves too seriously.
Benefits
Our people are our most valuable asset, as such, we offer a wide range of benefits to help ensure that all are supported:
Start of employment:
- Eye care
- Employee Assistance Programme
- A day off for your birthday
After 3 months employment:
- Pension (4% employer contribution and 4% employee contribution)
After 4 months employment:
- Life assurance
After probation:
- Cycle to work scheme
- Season ticket loan
- £350 annual wellbeing allowance to contribute to gym memberships or fitness classes
- Puregym access
- Perks at work platform access
After 1 year service:
- Private healthcare
Additional Perks:
- Company socials
- Access to Employee Affinity Networks
- Mentoring scheme
- Volunteering Day
- Mortgage Advice
- Work from anywhere (2 weeks)
- Generous parental leave
We are committed to making our organisation an inclusive, respectful & engaging place to work with a culture shaped by our core values that promote equality, collaboration & respect in everything we do. We are proud to be part of the Disability Confident Scheme, meaning we are committed to being inclusive and accessible, which starts with our application and recruitment process. If you do require any reasonable adjustments to be made, please let us know as part of our application page.
‘We are proud to be an equal opportunities employer and are committed to ensuring that all candidates are given the same opportunity to succeed regardless of their sex, gender identity/expression or reassignment, sexual orientation, marital status, race, colour, nationality, ethnic or national origin, religion, age or disability.’
Payroll Administrator (US Payroll) in London employer: Centellic
Centellic is an exceptional employer that fosters a dynamic and collaborative work culture, particularly within the vibrant legal tech events sector. Employees benefit from comprehensive professional development opportunities, including mentorship for junior team members, and enjoy the excitement of working in a fast-paced environment that connects innovators and industry leaders. With a commitment to employee growth and a focus on impactful events, Centellic offers a rewarding career path for those looking to make a significant contribution in the legal technology space.
