Payroll & People Administration Specialist; Part Time Ops

Who are IDHL?

At IDHL, we’re more than a digital agency, we’re a strategic partner to ambitious brands, helping them accelerate growth in the digital economy.

Our expertise is delivered through three core divisions:
Performance, Web & eCommerce, and Intelligence – all working closely together to create impact across channels.

We’re also home to Fostr, a Shopify Plus agency for luxury and lifestyle brands, and The MTM Agency, specialists in integrated marketing and audience engagement.

What connects it all is our focus on outcomes, not just outputs. We back each other, take pride in what we do, and make sure the way we work works for everyone.

Your role as Payroll & People Administration Specialist (Part Time)

We are seeking an experienced payroll professional to take ownership of payroll delivery within the People Operations team.

This is a flexible part‑time position (15–20 hours per week) with a salary of 28-32k PRO RATA and based on experience.

This role is responsible for the accurate and compliant processing of payroll across multiple payrolls currently covering around 500 employees.

The successful candidate will manage payroll operations end‑to‑end, ensuring statutory compliance and accurate reporting while acting as a key liaison between People Operations, Finance and external providers.

Alongside payroll responsibilities, the role will support the administration of core HR processes, helping to maintain accurate employee records and ensuring the smooth delivery of People Operations services across the organisation.

This role offers the opportunity to take ownership of payroll processes while contributing to continuous improvement across payroll and people administration practices.

• Manage the end‑to‑end payroll process across multiple payrolls totalling around 500 employees
• Ensure payroll is processed accurately and within deadlines across multiple legal entities
• Process and validate payroll data including starters, leavers, salary changes, bonuses, overtime, allowances, deductions and statutory payments
• Reconcile payroll data prior to submission to ensure accuracy
• Process payroll using HR and payroll systems (HiBob and Pento), ensuring alignment between systems
• Ensure accurate calculation of statutory payments including SSP, SMP, SPP and other statutory entitlements
• Respond to payroll‑related employee queries in a timely and professional manner

• Submit Real Time Information (RTI) returns including FPS and EPS filings to HMRC
• Ensure compliance with HMRC payroll legislation and statutory regulations
• Maintain pension auto‑enrolment compliance and coordinate pension uploads
• Support year‑end payroll activities including P60s and P11D reporting
• Maintain accurate payroll records and documentation to support audit and compliance requirements
• Stay up to date with payroll legislation, tax regulations and company policies impacting payroll

• Help to prepare payroll journals and reports for Finance reconciliation and audit purposes
• Generate payroll reports for payments and third‑party providers
• Assist with payroll reporting and month‑end processes
• Maintain accurate documentation and audit trails for payroll processes
• Act as the primary internal contact for the organisation’s USA PEO provider
• Provide accurate payroll data for US‑based employees where required
• Ensure alignment between UK HR data and US payroll processing in collaboration with the PEO

• Maintain accurate employee records within the HR system
• Respond to employee queries relating to payroll, benefits and HR administration
• Provide general administrative support to ensure the smooth running of People Operations processes
• Help to coordinate the administration of employee benefits including private medical insurance, life assurance, income protection, cycle to work and other salary sacrifice schemes
• Ensure payroll deductions relating to benefits are processed accurately
• Support benefits‑in‑kind reporting and annual P11D submissions where applicable

• Previous experience administering payroll end‑to‑end
• Strong knowledge of…