Office Sales Admin

Position: Office Sales Admin

Location: Belfast

Salary: DOE

Apply: Send your CV and cover letter to



We're one of the top digital advertising agencies in EMEA providing clients such as Harry Corry, Tourism Northern Ireland, BBC, The AA and many more with a fully managed service across Search, Display, Video, Paid Social advertising, SEO, e-commerce and performance creative and content. Everything we do is performance-focused and centres on driving ROI for our clients.


  • Manage, generate and process invoices – Key role.
  • Resolve queries both internally and externally regarding outstanding invoices.
  • Collate details of disputed invoices and initiate internal queries.
  • Maintain contact with clients to ensure invoices are clear for payment.
  • Proactive management and collection of debt.
  • Oversee and support all administrative duties in the offices and ensure that the offices are operating smoothly (including booking off meeting rooms).
  • Management and monitoring of shared inboxes.
  • Reception duties, including answering incoming calls and scheduling appointments – Following up on phone calls and contacts as appropriate.
  • Manage office supplies, inventory and place orders as necessary.
  • Manage supplier relationships.
  • Completion of weekly team check-ins.
  • Assist the new business team in the management and processing of new business leads (respond to enquiries, setting up intro calls, and setting up pitch calls).
  • Assist in the preparation of documentation and presentations.
  • Client comms around NPS, price increase lists.
  • Reporting to include monthly sales analysis and quarterly cost report.
  • Arrange travel and accommodation plans when required.
  • Liaise with IT Support.
  • Any other duties required.


In order to be considered for the following role you should have the following skills and experience;

  • Office management experience.
  • Experience using invoicing software such as Xero (or similar).
  • Strong time-management and people skills, flexibility, and multitasking ability.
  • Advanced computer skills and experience with online platforms with aptitude to learn new software and systems.
  • Excellent customer service and communication skills.
  • Ability to work under pressure and to deadlines.
  • Good negotiation skills.
  • Able to clearly explain financial matters.
  • Strong business acumen.
  • High attention to detail with analytical mindset.
  • Problem-solving skills.
  • The ability to prioritise a workload to meet business needs.
  • Experience working with clients to implement effective payment plans.
  • Ability to produce detailed reports for management.



In order to be considered for the following role you should have the following skills and experience;

  • Previous experience in a similar administrative role
  • Excellent attention to detail
  • Strong written and verbal communication skills
  • Confident, pro-active and positive attitude
  • Good numeracy skills
  • Be adaptable to varying tasks


Loud Mouth Media is a pretty great place to work! Our benefits are regularly reviewed and evolve based on feedback few get from the LMM team. We are committed to ensuring our team have a good life work balance. So, here’s what else you can expect from us:

    • Working for one of the top agencies in EMEA.
    • Fun, casual working environment.
    • Hybrid working model- get the best of both worlds by spending time WFH and with the team in the office.
    • Working a 4-day week (with a 4DW as a benefit)!
    • 33 days holiday (including 10 Public Holidays) increasing depending on length of service (or alternative pro rata entitlement).
    • A day’s additional leave on your Birthday.
    • Buy/sell holiday scheme and option to carry leave into the next year.
    • Company Private Medical Insurance.
    • Company pension contributions.
    • Fantastic, serviced city centre office with gym on site.
    • Regular company socials organised by our Team.
    • Complimentary caffeine and fruity snacks.
    • Training opportunities.
    • Fantastic company culture.