Finance Admin Assistant

Finance Admin Assistant
Salary: £34,000 per annum, pro rata
Location: London EC1A
Contract: Six month fixed term contract, full time
Shifts: 37.5 hours per week, Mon-Fri, 08:00-16:00 with a 30-min unpaid break
Work model: Fully onsite

Reporting to: Business Planning and Analysis Manager

Williams Lea seeks a Finance Admin Assistant to join our team!

Williams Lea is the leading global provider of skilled, technology-enabled, business-critical support services, with long-term trusted relationships with blue-chip clients across investment banks, law firms and professional services firms.  Williams Lea employees, nearly 7,000 people worldwide, who provide efficient business services at client sites in often complex and highly regulated environments, from centralised Williams Lea onshore facilities, and through best cost company offshore locations. 

The Finance Admin Assistant provides essential financial, management information (MI), and administrative support to the Account Management and regional Operations teams. The role requires maintaining a comprehensive understanding of the account’s monthly financial and operational performance, producing accurate and timely financial reporting, and supporting the ongoing delivery of high-quality onsite services. This position plays a key role in ensuring financial accuracy, compliance, and effective decision-making across the London and EMEA regions.

Key Responsibilities

Financial Management & Reporting

• Reconcile and produce finalised London and EMEA Business Support Services (BSS) Gross Margin Templates (GMTs)
• Support data collection for London and EMEA BSS forecasting and budgeting activities
• Reconcile and prepare accurate, timely client invoices in full compliance with contractual requirements
• Produce client recharge reports with all supporting justification documentation
• Prepare and distribute monthly financial results and variance analysis against budget and prior periods
• Identify opportunities for financial and operational improvement using sound commercial and financial judgement
• Maintain an organised and auditable filing system for all financial and management information
• Provide ad hoc financial analysis and business support to Account Managers, Production Managers, and Team Leaders

Client Support

• Respond promptly and professionally to client queries relating to finance, operations, and technology
• Provide administrative support for client-requested activities
• Build and maintain strong working relationships with key client stakeholders across the UK and EMEA
• Ensure all management information reports are delivered within contractual deadlines
• Support joint client and Williams Lea projects as required

People & Stakeholder Management

• Develop strong working relationships with onsite teams, regional EMEA offices, and Williams Lea support functions
• Maintain effective communication with London and EMEA management teams
• Build and manage relationships with vendors and supplier partners
• Coordinate vendor and supplier changes impacting onsite or regional operations
• Keep operational teams informed of updates, changes, and best practices

Operations & Process Improvement

• Document process changes and update procedures manuals and business continuity plans for London and EMEA
• Collate information and produce service-related reports for senior management
• Ensure a logical and centralised filing system for all BSS documentation and contract materials
• Document and maintain up-to-date BSS processes
• Provide high-quality, relevant management information aligned to best practice benchmarking
• Monitor BSS performance against SLAs and escalate issues to management for corrective action
• Identify opportunities for process improvement and support implementation with management
• Assist with ad hoc projects as requested by the Management team

• Intermediate to advanced Microsoft Excel skills, including strong formula knowledge
• Working knowledge of Microsoft PowerPoint and Word
• Strong attention to detail with a critical eye for accuracy
• Excellent customer service and client-focused approach
• Strong organisational and administrative skills
• Ability to work effectively under pressure and meet tight deadlines
• Flexible, adaptable, and proactive mindset

• Able to work collaboratively as part of a team, while also demonstrating independence and initiative
• Self-starter with the ability to make day-to-day operational decisions
• Highly organised with strong planning and prioritisation skills
• Motivated with a positive, “can-do” attitude
• Professional, reliable, and adaptable in a fast-paced environment

Rewards and Benefits

We believe in supporting our employees in both their professional and personal lives. As part of our commitment to your well-being, we offer a comprehensive benefits package, including but not limited to:

• 25 days holiday, plus bank holidays (pro-rata for part time roles)

• Salary sacrifice schemes, retail vouchers – including our TechScheme which can be used on a range of gadgets such as Smart TV’s, laptops and computers or household appliances.

• Life Assurance

• Private Medical Insurance

• Dental Insurance

• Health Assessments

• Cycle-to-work scheme

• Discounted gym memberships

• Referral Scheme

You will also have the opportunity to work for a global employer who is dedicated to offering each and every employee an enjoyable, challenging and rewarding career with future career development prospects!

Equality and Diversity

The Company values the differences that a diverse workforce brings to the organisation and will not discriminate because of age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race (which includes colour, nationality and ethnic or national origins), religion or belief, sex or sexual orientation (each of these being a “protected characteristic” in discrimination law). It will not discriminate because of any other irrelevant factor and will build a culture that values openness, fairness and transparency.

If you have a disability and would prefer to apply in a different format or would like to make a reasonable adjustment to enable you to make an interview please contact us at [email protected](we do not accept applications to this email address).

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