Accounts Receivable Assistant | Architecture Practice | London job at London Full Time

Accounts Receivable Assistant | Creative Design Practice | London (Hybrid)

Harmonic are proud to be working with a multi-disciplinary design practice renowned for its work across architecture, landscape architecture, urban planning, and sustainability. The business is celebrated not only for its design excellence but also for its collaborative and values-driven culture.

They are looking for a detail-oriented and motivated Accounts Receivable Assistant to join their small but high-performing finance team. With a varied project portfolio and a commitment to environmentally conscious design, the company is an ideal home for someone passionate about creativity and purpose-led work.

You’ll report directly to the Finance Manager and play a key role in managing the accounts receivable process-from raising invoices to reconciling accounts and supporting credit control functions. This is a fantastic opportunity to take ownership of key processes while continuing your professional development in a supportive and collaborative environment.

Responsibilities:

• Raise and issue client invoices in a timely and accurate manner
• Reconcile customer accounts and allocate incoming payments
• Monitor aged debt and follow up on overdue invoices
• Assist with credit control and resolving client billing queries
• Maintain accurate financial records and documentation
• Liaise with internal teams to ensure smooth invoicing processes
• Support the month-end process with AR reports and reconciliations
• Contribute to system and process improvements where appropriate

What our client needs to see (essential):

• Minimum 1 year’s experience in an accounts receivable or similar finance role
• Good understanding of financial principles, bookkeeping, and transactional processes
• Strong Excel skills and familiarity with accounting software (e.g. Xero, Sage, SAP, etc.)
• Strong communicator and team player with a proactive approach

What we’d like to see (non-essential):

• Studying towards AAT, ACCA, or CIMA
• Background in a design, engineering, or built environment sector
• Experience working in a high-volume transactional environment

Salary: £32,000 – £34,000 + benefits package

Location: North London (Hybrid – 3 days in the office after probation)

Start date: ASAP

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At Harmonic, we are committed to building inclusive and equitable workplaces. We welcome applications from individuals of all backgrounds and ensure every candidate is given equal consideration regardless of gender, race, disability, or sexual orientation.

At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.