Administrative Assistant Bookkeeper

REY Energy is a renewable energy EPC company established as a joint venture between YEO and Ryse Energy, combining deep industry knowledge, international project experience, and a strong commitment to delivering sustainable, reliable, and cost-effective energy solutions. With more than 22 years of combined expertise and a portfolio of 2000+ MW renewable power plant projects, REY Energy provides tailored solutions for residential, commercial, and industrial clients, supporting the transition to a more sustainable future. To support our growing UK operations, we are looking for a highly organised and detail-oriented Bookkeeper & Administrative Officer to join our team in a junior-level, on-site role in London. Key Responsibilities

• Maintain accurate bookkeeping records and support daily accounting transactions.
• Enter invoices, receipts, expenses, payments, and other financial records into ERP system used by the company.
• Support accounts payable and accounts receivable processes, including invoice tracking and payment follow-up.
• Assist with bank reconciliations, expense reports, and preparation of basic finance reports.
• Organise and archive accounting documents, contracts, supplier records, and administrative files.
• Coordinate general office administration, including correspondence, meeting arrangements, office supplies, and day-to-day operational support.
• Liaise with internal teams, external accountants, suppliers, and service providers when required.
• Support UK office set-up processes and contribute to smooth administrative workflows as the office grows. Requirements
• 2–3 years of experience in bookkeeping, accounts administration, finance administration, or a similar role.
• Basic knowledge of UK bookkeeping practices, invoice processing, reconciliations, and financial record keeping.
• Experience with accounting or ERP systems; knowledge of Canias, Xero, Sage, QuickBooks, or similar tools is an advantage.
• Strong attention to detail, accuracy, and ability to work with confidential financial information.
• Good command of Microsoft Office, especially Excel.
• Strong organisational, communication, and follow-up skills.
• Ability to work independently in a growing office environment and support both finance and administrative needs.
• Fluent English is required; Turkish language skills would be an advantage.
• Must have the legal right to work in the UK.