Finance and Admin Assistant

Glennon Brothers; Humbie; On-site; GBP 22,000 - 30,000; Full time

Job summary

Glennon Brothers is seeking a Finance and Admin Assistant to join our finance team across our multi-site operation in the UK. You will support the sales ledger, maintain customer accounts and assist with month-end close, reporting and general administrative duties.

The role requires strong Excel skills, experience with Sage or similar ERP, high attention to detail and the ability to collaborate with production, logistics and finance colleagues to ensure accurate financial processing and timely

Qualifications

• Proficient in MS Office and Excel with strong data entry skills.
• Attention to detail and ability to work to tight deadlines.
• Experience across multiple stakeholders and cross-functional processes.
• Experience with ERP systems (purchase ledger / sales ledger) would be desirable.

Responsibilities

• Sales Ledger: maintain and update sales ledger; process invoices and credit notes; reconcile client accounts; support credit control.
• General Ledger: assist with monthly/quarterly management information and reporting; support preparation of financial statements.
• Cashbook/Banking: assist with bank reconciliations and processing payments.
• Administration: answer calls and emails, manage calendars, file records, order supplies.

Skills

MS Office

Excel

Data accuracy

Organisational skills

Teamwork

ERP systems

Tools

Sage

Job description

Finance and Admin Assistant

Founded in 1913, Glennon Brothers is a leading timber processing Group operating across Ireland and the UK, with over a century of experience and a strong, well‑established growth story. Today, the Group operates through a portfolio of respected brands including Glennon Brothers, Balcas, DTE, Alexanders Timber Design and, most recently, Pontrilas, reflecting both its scale and strategic expansion.

As a recognised leader within the Green Tech and sustainable construction sectors, the Group is dynamic, innovative and firmly focused on long‑term, responsible growth. Across its brands, Glennon Brothers supplies a wide range of timber products to the Irish and UK markets, serving the construction, pallet wood and fencing industries. The Group also manufactures timber frame homes and engineered roof trusses for the housebuilding sector and operates several combined heat and power (CHP) and wood pellet manufacturing facilities.

Following the acquisition of Pontrilas in January 2026, the Group has significantly increased its turnover and expanded its workforce to over 1,400 colleagues. This growth has been driven by a strong commitment to its people, a customer‑focused service ethos, and continued investment in advanced technology and operational capability. Glennon Brothers operates a multi‑site footprint across Longford, Fermoy, Enniskillen, Troon, Irvine, Windymains and Invergordon, providing a diverse and collaborative working environment across its Group brands and functions.

Principal Objective

Reporting to the Finance Controller, this is an exciting opportunity for the successful candidate to join an ambitious expanding business. The successful candidate will be responsible for the smooth operation of our sales ledger and site administration; processing sales ledger invoices; assisting with preparation of our management/quarterly accounts and providing administration support.

Knowledge & Experience

• Previous experience in an account’s role ideally within a manufacturing or production environment
• Proficiency in Microsoft Excel and other Microsoft Office applications
• Strong data accuracy, attention to detail, and organisational capability
• Ability to work across multiple stakeholders and support cross‑functional processes

Key Responsibilities

• Sales Ledger
• Maintain and updates sales ledger
• Processing sales ledger invoices and credit notes
• Reconcile customer accounts
• Supporting credit controller with credit control
• General Ledger
• Assisting with the production of timely and reliable management information reports on a monthly and quarterly basis
• Provide support and assistance in the preparation of financial statements and accounts to the management and finance teams
• Cashbook/Banking
• Bank reconciliation
• Credit Cards/Expenses
• Payments
• Petty cash
• Administration
• Communication – Answering phone calls, reply to emails and greet office visitors
• Scheduling: Manage calendars, book rooms, and set up appointments or meetings.
• Record Keeping: Organize paper and digital files, update databases, and draft basic reports.
• Ordering: Track inventory, order new items, and keep equipment stocked.
• Travel: Arrange travel plans and process basic invoices or expense forms

Essential Competencies

• Proficient in MS Office (excel, word, outlook etc.)
• Experience with Sage accounting packages or similar
• Attention to detail and working to tight deadlines
• Organisational skills
• Working as a team
• Experience working with ERP systems (purchase ledger / sales ledger) would be desirable

Key Performance Measures

• Accuracy and timeliness of invoicing, reconciliations, and financial processing
• Quality and accuracy of financial reporting and data
• Contribution to month-end close and management accounts preparation
• Identification and resolution of discrepancies and variances
• Contribution to process improvements and system effectiveness
• Business partnering to resolve finance queries

Key Relationships

• Financial Controller & Finance Team – financial reporting, control, and coordination of finance processes
• Production & Site Teams – alignment on cost tracking, job performance, and operational activity Contract
• Dispatch & Logistics Teams – reconciliation of dispatch, invoicing, and delivery data

Contract