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Administrative HR work, recruiting, onboarding, employee conversations, people development, the HR roadmap, and close alignment with management. On top of that, there are often tasks that “just come with the role”: office management, mail handling, event coordination, travel organization, and executive or administrative assistance for leadership.

This is not an exception, but everyday reality – especially in start-ups, scale-ups, and smaller organizations. And this is exactly where the value of CoSourcing becomes clear: not as a replacement, but as relief, sparring, and additional support to keep all balls in the air at the same time.

What CoSourcing fundamentally means, and how it differs from outsourcing or interim solutions, has already been covered in a separate blog article. This piece deliberately focuses on one very common scenario: working with one-person HR roles.

The Reality of the One-Person HR Role: More Than Just HR

One-woman or one-man HR setups often emerge for pragmatic reasons. The organization is growing, budgets are limited, structures evolve gradually – and one person takes responsibility for everything related to people and organization.

It is important to acknowledge one thing: the fact that one person cannot cover everything at the same time is not a weakness. It is simply realistic.

This role often combines:

operational HR administration

recruiting and onboarding

acting as the main point of contact for employees

sparring partner for management and leaders

responsibility for processes and tools

project work and organizational development

coordination and communication with external parties such as payroll providers, health insurance funds, authorities, or other institutions

additional tasks such as office management, event organization, or executive and administrative assistance

The scope of responsibilities is broad, demanding, and dynamic. Even with strong organization and extensive experience, limitations are eventually reached – not in terms of expertise, but in terms of capacity.

Why Sparring Is Often the Most Important First Step

In working with one-person HR roles, one thing often becomes clear: the initial need is not always operational support. Very often, it is about not being alone with the topics at hand.

Having space to think out loud. Gaining a second perspective. Having someone who helps structure, sort, and reflect. When someone is alone in the role, topics tend to circle in their head for a long time. Once they are spoken out loud, clarity emerges. Priorities shift, and solutions become more tangible.

This sparring aspect is also a core element of CSourcing. How valuable this kind of exchange can be became particularly clear at a special event in December.

HR Collective & the First HR Pop-Up Café

From December 8–11, something took place in Berlin that had not existed in this form before: the HR Collective Pop-Up Café – the first HR pop-up format of its kind, organized and hosted by HR Collective. Not a classic event, not a traditional panel, not a keynote-driven conference, but a temporary space for exchange, conversations, and genuine connection.

In addition to open discussion formats, there were smaller workshops – ranging from intentionally light, community-building sessions such as matcha or barista workshops to more technical input, including contributions from KUNO. This mix of low-threshold exchange, depth of content, and personal interaction created the setting for exactly the kind of conversations that often fall short in everyday HR work.

Mandy and Sonja, Directors HR & Payroll at KUNO, hosted a live consultation format: one-on-one conversations with HR professionals, many of them working in one-person setups. Topics ranged from prioritization and decision-making to onboarding, payroll interfaces, and the question of how to design a sustainable HR day-to-day setup.

What these conversations showed: exchange is incredibly valuable. And at the same time, it became clear that there are situations where exchange alone is not enough.

HR Communities Are Valuable – but Not Always Sufficient

There are many HR communities, networks, and exchange formats. They provide inspiration, new perspectives, and the important feeling of not being alone.

At the same time, these formats have natural limitations:

they are time-bound

they rarely offer ongoing support

they do not replace operational help

Sometimes, more than exchange is needed. Sometimes, it helps to have someone who can support hands-on, take over tasks, or provide concrete relief. This is where CoSourcing complements community formats – not as a replacement, but as the next level of support.

How to Recognize When CoSourcing Makes Sense for One-Person HR

In practice, the need for support rarely shows up as a single event. More often, it is a combination of many small signals that accumulate over time.

Strategic HR topics are repeatedly postponed because day-to-day operations take priority. Onboardings happen “on the side,” processes remain in place longer than they should, and external coordination – for example with payroll providers, health insurance institutions, or authorities – takes more time than planned while running in parallel with internal topics that also require attention.

Another aspect that is often underestimated in one-person HR setups is the dependency on a single individual. When that person is sick, on vacation, or unavailable at short notice, HR work often comes to a complete standstill – or the organization has to find ad-hoc, often unstructured ways to cope.

For the HR person themselves, this frequently means returning to a significant backlog: unanswered requests, open topics, and processes that were improvised in the meantime. This creates additional pressure and often undermines recovery or time off after the fact.

Additional support can create stability precisely in these situations – not as a replacement, but as a safeguard, ensuring that essential HR topics continue even during absences and that knowledge does not remain concentrated in a single role.

Added to this is the responsibility of being the sole point of contact: decisions must be prepared, questions answered, and expectations managed – often without sparring at eye level. Many HR professionals have a very clear understanding of what needs to be done, but simply lack the capacity to do everything at once.

CoSourcing can support in exactly these situations: not because something is failing, but because too many things are expected to work well at the same time.

What Alternatives Exist – and Where Their Limits Are

Especially for managing directors and leadership teams, the question often arises of how a one-person HR role can be meaningfully supported and relieved.

A brief overview:

Interns can help, but they are time-limited and require significant onboarding.

Working students bring motivation, but are often only available short-term and focused on completing their studies.

Freelancers can provide selective support, but are usually single-person solutions without built-in continuity or backup.

Hiring a permanent additional role can be the right step, but is not always realistic – for example due to fluctuating demand or budget constraints.

CoSourcing offers an alternative: access to an entire team, with shared knowledge, built-in coverage, and flexible scaling – without long-term fixed costs.

A Shared Perspective on HR in Growing Organizations

One-person HR roles carry a tremendous amount of responsibility – often far beyond what is structurally intended or sustainably manageable in the long run. This is less about missing skills and more about the sheer number of topics concentrated in one role.

At the same time, experience shows that support does not mean something is broken. Additional perspectives, operational relief, and professional sparring help maintain quality, deliberately complement expertise, and distribute workload more sustainably.

Especially in growing organizations, CoSourcing can help make HR work more stable, effective, and future-proof – without calling existing roles into question.

CoSourcing in Practice: Support Without Loss of Control

In working with one-person HR roles, one thing consistently proves essential: clear role definition. CoSourcing does not mean giving up responsibility or outsourcing decisions. On the contrary, ownership intentionally remains with the internal HR role.

Experience shows that support is particularly effective when it is flexible, well integrated, and practical for everyday operations. In practice, this means stepping in where operational tasks consume time and acting as a sparring partner when topics need to be structured, prioritized, or further developed.

Typical areas where CoSourcing can provide relief include:

administrative HR work in daily operations

preparation and support of onboarding processes

contract and documentation creation

operational support during periods of high workload

sparring on structural, process, and development topics

coordination at interfaces, for example with payroll or external partners

The scope of support can be adjusted as needed – depending on phase, project, or individual workload. For one-person HR setups, this creates additional stability without prematurely expanding fixed structures.

Looking Ahead

CoSourcing can be a real game changer for one-person HR roles: as a sparring partner, as additional support, and as everyday stability. It creates space to hand over operational tasks, jointly structure complex topics, and refocus on what truly matters.

Especially in setups where many responsibilities converge in a single role, CoSourcing can help reduce pressure, distribute knowledge more broadly, and ensure continuity – even during periods of absence, growth, or change. Not as a replacement for existing roles, but as a complementary structure that combines flexibility with stability.

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