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Sales Invoicing Administrator


Job Location:

Altrincham - UK

Monthly Salary: Not provided by the employer
Posted: 17 June 2026 (30+ days ago)
Application Deadline: 14 September 2026
Vacancies: 1 Vacancy

Job Summary

Sales Invoicing Administrator at NSS Group

Location: Altrincham

Salary: 26436.80 per annum

Department: Finance

Looking for your next step in finance

If youre organised detail-focused and enjoy problem-solving this could be the perfect opportunity for you. NSS Group is a growing national business and were looking for a Sales Invoicing Administrator to join our Finance team in Leeds.

Youll play a vital role in ensuring our customers are billed accurately and on time helping to keep cashflow strong and our business moving return youll get the chance to work in a supportive team benefit from hybrid working and enjoy genuine opportunities to develop your career.

About NSS Group

NSS is proud to hold Platinum accreditation from Investors in People. We are a specialist property services provider delivering everything from building maintenance and window cleaning to platform hire and equipment testing. With our dependable in-house team we work 24/7 across the UK setting new standards for safety speed and reliability.


What Were Looking For

The ideal candidate will bring:

  • Previous invoicing experience (property or facilities management sector experience preferred).

  • Strong organisational skills and the ability to manage your own workload effectively.

  • A methodical problem-solving approach and resilience under pressure.

  • Excellent communication skillsconfident liaising with both customers and colleagues.

  • Proficiency in Excel and other business software with strong data analysis skills.

  • A collaborative attitude and enthusiasm for working within a growing team.

Key Responsibilities

  • Deliver customer invoices accurately and on time with correct supporting documentation for both key and non-key accounts.

  • Upload invoices to customer portals in line with client requirements.

  • Monitor and enforce customer PO compliance across the business escalating where required.

  • Resolve invoicing issues by liaising with other departments to ensure smooth resolution.

  • Maintain accurate records of invoiced and un-invoiced work ensuring alignment with financial records.

  • Regularly update the Cleaning Divisions operations team on the status of un-invoiced work.

  • Ensure invoicing backlogs are minimised to optimise business cashflow.

  • Meet all agreed deadlines set by your Line Manager.

Our Recruitment Process

To ensure a fair and unbiased recruitment process we work with .
After applying youll be invited to complete a chat-based interview with our virtual recruitment assistant Hubert.

The interview takes around 1520 minutes.

You can find helpful tips here: Hubert Interview Advice

What NSS will give to you:

  • Free onsite parking

  • Free refreshments with a friendly and sociable office environment

  • An opportunity to progress and develop within the company

  • 25 days annual holiday bank holidays

  • Monthly Reward and Recognition Scheme where our top performers are rewarded with vouchers for many retailers

  • Trade Point Card which will enable you to get 10% off at any B&Q

  • Day off for your birthday after length of service

  • Eye care vouchers

  • Referral bonus scheme

  • Medicash health cash plan with discount on dental health screening gym discount store discounts specialist consultations and much more

  • Hybrid working arrangement (3 days office based 2 days working from home) available upon successful completion of probation period.

About PTSG

PTSG Group is a leading provider of specialist services across the UK and Europe.

Through the acquisition of high-quality specialist businesses PTSG has built a group of industry-leading companies delivering services across Access & Safety Electrical Services Building Access Fire Solutions and Water Treatment.

With over 3300 specialists supporting 90000 customers across 200000 buildings delivering over 170 different services we are committed to delivering safe compliant and high-quality services nationwide.

At PTSG our aim is simple. To be a great place to work and a great company to do business with.

Armed Forces Covenant

PTSG Group is proud to support the Armed Forces community and has formally signed the UK Armed Forces Covenant.

We recognise the valuable skills and experience that service leavers veterans reservists and military families bring to the workplace including leadership teamwork resilience and technical expertise.

As part of our commitment we guarantee an interview to ex-Forces applicants who meet the minimum criteria for the role and are committed to supporting Armed Forces personnel in building long-term civilian careers across our business.

PTSG Group is an equal opportunities employer. We are committed to creating an inclusive and supportive workplace where everyone is treated fairly and with respect.

We welcome applications from all backgrounds and are dedicated to promoting diversity equality and inclusion throughout our recruitment process and across the wider business.

IND1


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Clean well-maintained and fully functioning buildings are vital to keeping our customers moving. Businesses need to create positive lasting impressions and we work with their reputations in mind. Thats why we act fast solving most problems on the first visit and why we invest in train ... View more

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