Office Manager

A growing professional services organisation is seeking an experienced and highly organised Internal Accounts Manager / Office Manager to join their Manchester-based team. This is a dual-role position combining financial administration, credit control, and invoicing with responsibility for overseeing day-to-day office operations.

The successful candidate will play a key role in supporting both operational and commercial functions, ensuring strong financial processes, accurate billing, and a well-managed, efficient office environment.

Key Responsibilities

Accounts & Financial Management

Prepare and issue client invoices, particularly in relation to R&D tax claims
Carry out benefit analysis and calculations to support ARC (Agreement/Revenue Calculations) and accurate invoicing
Manage credit control processes, including chasing outstanding payments and reducing debtor days
Maintain accurate financial records and support reporting activities
Liaise with internal teams to ensure billing accuracy and timely invoicing

Office & Operations Management

Oversee the day-to-day running of the office and act as the central administrative support function
Support operational and sales teams with general administration
Manage office supplies, systems, and overall office organisation
Ensure a professional, efficient, and well-functioning working environment

Client & Internal Communication

Act as a key point of contact for client invoicing and payment-related queries
Build and maintain strong relationships with clients
Communicate effectively with internal stakeholders and external partners
Provide a high level of professionalism in all interactions
Candidate Requirements

Essential:

Proven experience in an accounts, finance, or office management role
Strong experience in invoicing, credit control, and financial administration
Excellent organisational skills with the ability to manage multiple priorities
High level of attention to detail and accuracy
Strong communication and interpersonal skills with a client-focused approach
Proficiency in Microsoft Office and familiarity with financial systems
Ability to work independently and as part of a team

Desirable:

Experience within the R&D tax or wider accounting sector
Understanding of R&D claim billing structures, including ARC calculations and benefit analysis
Experience in a client-facing financial or operational role
Personal Attributes
Highly organised, proactive, and commercially aware
Confident communicator with a professional approach
Strong problem-solving ability
Adaptable and comfortable managing a varied workload
Reliable and able to work to deadlines with minimal supervision
What’s on Offer
Competitive salary from £35,000 (dependent on experience)
Annual performance-based bonus
Opportunity to take ownership of a key role within a growing business
Supportive and collaborative working environment
Modern office location in Salford Quays

This is an excellent opportunity for a finance-savvy office professional looking to take on a varied role with both operational and commercial responsibility within a dynamic business environment