What does an Office Manager do? The central hub of your organisation

Last updated: October 2025, by Jeroen van der Linde

What does an Office Manager do?

The office manager is much more than just an administrative assistant; they are the operational linchpin that ensures a company runs smoothly and efficiently. The central question, "what does an office manager do," is answered by the versatility of the role. The office manager's function is particularly crucial for growing organisations. They ensure that core processes remain organised while the rest of the team can concentrate on key tasks and expansion.

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The daily duties and responsibilities of an office manager

To understand exactly what an office manager does, one must look at the diverse areas in which this professional is active. The office manager oversees the office in the broadest sense, and specific tasks can vary greatly depending on the company size and sector. Generally, the focus is on guaranteeing that the workplace performs optimally so that colleagues can do their jobs without interruption. This means the office manager has a wide range of duties, spanning from financial administration to facilities care and HR support. Listed below are the most common responsibilities that form the core of the role.

  • Administrative and financial: Maintaining basic bookkeeping, invoicing, purchase administration, and budget management for office expenses. 
  • Facilities management: Managing office supplies, building maintenance, contact with suppliers (cleaning, catering, IT), and ensuring a safe and comfortable workplace. 
  • HR and personnel matters: Supporting the onboarding of new employees, managing personnel files, leave registration, and organising staff meetings and events. 
  • Management support: Diary management, correspondence, and preparing meetings for senior management. 

Required qualifications and experience

To provide a good answer to the question, "what does an office manager do," it is important to know what background and experience are necessary to fulfil this versatile role. The office manager function requires a combination of the right background and relevant work experience. Although the role accommodates a wide range of educational levels, for the most comprehensive and complex office manager positions, which also involve budget responsibility and leadership tasks, there is a clear preference for a higher education level. Additionally, the candidate is expected to have proven their ability to function independently. The general requirements are listed below.

  • Educational level: Often a qualification at a minimum of MBO level 4 or HBO (Higher Professional Education) in a relevant field such as management assistant, office management, or business administration. They preferably possess HBO working and thinking level. 
  • Experience: Approximately two to four years of experience in administration or office management. This indicates a mid-level professional who can execute complex tasks independently and proactively. 

Essential skills for the office manager

The success of an office manager depends on a set of strong, interconnected skills. This partly explains the broad task list associated with "what does an office manager do." Because the office manager plays a central role and must constantly switch between different tasks and stakeholders, both strong organisational skills and excellent interpersonal skills are indispensable. An office manager must be able to plan, communicate, and solve problems effectively.

  • Organisational talent and time management: The ability to manage multiple projects simultaneously (multi-tasking) and set priorities. 
  • Communication skills: Clear verbal and written communication, both internally (with employees) and externally (with suppliers). 
  • Problem-solving ability: Responding quickly and effectively to unexpected situations or disruptions. 
  • Financial acumen: Understanding and monitoring office budgets. 
  • Leadership and flexibility: Steering processes and adaptability in a rapidly changing work environment. 

Average salary: what does an office manager earn?

An important component when considering "what does an office manager do" is, of course, the financial aspect. The salary of an office manager, like many other roles, is heavily dependent on the level of experience, the educational background, the size of the organisation, and the sector in which the company operates. An office manager in the Netherlands in the Randstad area with managerial tasks will generally earn more than an office manager at a small regional non-profit organisation. The figures below provide a realistic average for a full-time mid-level role in the Netherlands.

In the Netherlands, the average gross monthly salary for a full-time mid-level office manager typically ranges between €2,800 and €3,200. This equates to an average annual salary (including holiday pay) of approximately €36,500 to €42,000. Seniors with managerial tasks and HBO/WO (Academic) level often earn more.

What software does an office manager use?

A direct answer to "what does an office manager do" is that this professional works extensively with software. In the modern office environment, the office manager relies heavily on digital tools and software to maximise efficiency. From managing financial administration and keeping track of management diaries to coordinating projects and communication: various software tools have become indispensable. It is essential that the office manager is proficient in these and can quickly learn new systems.

  • Productivity suites: Microsoft Office (Word, Excel for budgets, PowerPoint) or Google Workspace. 
  • Communication and collaboration: Slack, Microsoft Teams, Zoom or Google Meet for internal and external communication and planning. 
  • Financial and HR: Accounting software (e.g., Exact, AFAS) and HR systems for leave registration and personnel files. 
  • Project and task management: Trello, Asana or Monday.com to plan projects and facilities maintenance. 

Key challenges

Despite the high level of satisfaction the role can offer, the central and dynamic nature of the office manager function also brings structural challenges. The constant need to switch tasks, maintain an overview in complex situations, and ensure the productivity of others requires a high degree of stress resistance and clear communication. These challenges are often most pronounced in fast-growing companies.

  • Time management: Balancing their own administrative tasks with constant ad-hoc requests from colleagues and management. 
  • Poor communication: Ensuring that information about policy and office matters is clear and consistent across the board, especially in hybrid working situations. 
  • Scalability: Keeping processes and the office environment efficient as the company grows and needs change. 

The importance of the office manager and the right experts

The office manager is the driving force behind the operational stability of an organisation. For a growing organisation, the office manager is essential; they translate the management's ambitions into a functional and scalable workplace.

Because the duties are so diverse and demanding, it is crucial that the office manager does not have to do everything alone. For specific, complex tasks, collaboration with external experts is the smartest move.

This includes:

  • IT support: For managing complex networks and security. 
  • Legal experts: For HR policy or contracts. 
  • Real estate experts: For example, when renting new office space, where the expertise of Flexas.com can save an office manager enormous amounts of time and effort. The office manager can then focus on the internal team while the expert navigates the complex real estate market. 

By focusing on core tasks and collaborating smartly with specialists, the office manager ensures that the company can not only grow but also maintain a sustainable and healthy operation.

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