Junior Payroll Assistant

Through proprietary software and AI, along with a focus on customer delight, Sleek makes the back-office easy for micro SMEs.

We give Entrepreneurs time back to focus on what they love doing - growing their business and being with customers. With a surging number of Entrepreneurs globally, we are innovating in a highly lucrative space.

We operate across 3 business segments:

Please be aware that Sleek is a regulated entity and as such is required to perform different levels of background checks on staff depending on their role. This may include using external vendors to verify:

• Your education
• Any criminal history
• Any political exposure
• Any bankruptcy or adverse credit history

We will ask for your consent before conducting these checks. Depending on your role at Sleek, an adverse result on one of these checks may prohibit you from passing probation.

By submitting a job application, you confirm that you have read and agree to our Data Privacy Statement for Candidates, found at Sleek.com.

To ensure the accurate, timely, and compliant processing of payroll for multiple UK clients. The UK Payroll Executive will be responsible for managing payroll data, processing payroll transactions, supporting workplace pension auto-enrolment, responding to client queries, and ensuring all payroll activities are completed in line with UK labour laws, HMRC requirements, tax regulations, and agreed client timelines.

The role requires strong attention to detail, client service, ownership, and the ability to manage multiple payrolls and deadlines efficiently while continuously looking for ways to improve workflows through technology, AI, and automation.

Develop a strong foundational understanding of UK payroll regulations and processes and confidently apply the appropriate rules when preparing and processing client payrolls.

Become fully familiar with Sleek's internal payroll platforms and processes, including HMRC submissions such as RTI, FPS and EPS, workplace pension submissions, and year-end reporting requirements including P60s and P11Ds by the third month.

Process assigned client payrolls accurately and within agreed timelines, ensuring all payroll data is complete and correctly validated before submission.

Ensure 100% compliance with agreed payroll and statutory deadlines, including payroll runs, pension auto-enrolment submissions, and applicable HMRC requirements.

Identify discrepancies or potential issues early, take ownership of resolving them, and maintain high standards of confidentiality and data accuracy.

Maintain a high level of client satisfaction by providing prompt, accurate, and professional responses to payroll-related queries.

Consistently achieve a CSAT target of at least 97% month-on-month while ensuring that client queries and emails are responded to within the agreed communication SLA, with no non-reply tickets or emails left unresolved at the end of the working day.

Build trusted relationships with clients by providing clear updates, proactively following up on outstanding information, and handling difficult conversations positively when required.

Work effectively with the UK Payroll team and other internal departments to ensure smooth payroll operations and timely resolution of client or processing issues.

Contribute to improving payroll processes and operational efficiency by identifying opportunities to use AI, automation, payroll technology, and improved workflows to reduce manual work, improve accuracy, and increase turnaround times.

• Minimum 1–2 years of hands-on UK payroll processing experience.
• Experience working in a bureau, outsourced payroll environment, or shared services centre is preferred.
• Experience managing multiple client payroll accounts is an advantage.
• Working knowledge of UK payroll processes, HMRC requirements, tax regulations, and workplace pension processes.
• Experience with payroll software such as BrightPay, Xero Payroll, or similar is an advantage.
• Strong attention to detail and experience working with sensitive and confidential financial information.
• Proven ability to manage multiple priorities and meet strict deadlines.
• Strong written and verbal English communication skills.
• Comfortable working with data and payroll-related reporting and metrics.
• Practical experience or strong interest in using AI tools, automation, and IT applications to improve daily workflows.

The successful candidate will participate in the following interview stages. We anticipate the process to last no more than 3 weeks from start to finish.