When a business needs additional HR expertise, one of the first decisions is whether to appoint a permanent employee or bring in an Interim HR consultant.
Both options can provide valuable support, but the right choice depends on why the resource is needed, how quickly the person must start and whether the requirement is likely to continue in the longer term.
A permanent hire may offer continuity and become a long-term part of the organisation. Interim HR support, meanwhile, can provide immediate access to experienced expertise without committing to a permanent role.
Understanding the difference can help businesses choose an approach that meets their immediate needs while supporting their longer-term plans.
What is Interim HR support?
Interim HR involves bringing an experienced HR professional into a business for a defined period or specific purpose.
An Interim HR consultant might be appointed to:
- Cover maternity leave, long-term absence or an unexpected departure
- Manage a restructuring or organisational change programme
- Support a business through rapid growth
- Address a significant employee relations workload
- Implement a new HR system
- Review HR policies and processes
- Lead a TUPE transfer or business integration
- Provide additional capacity during a particularly busy period
- Deliver a specialist Reward, Talent, Learning and Development or workforce planning project
Interim assignments can last from a few weeks to several months or longer. The consultant may work full-time, part-time or on a fractional basis, depending on the organisation’s requirements.
When is Interim HR the right choice?
You need someone quickly
Permanent recruitment takes time. A business must advertise the position, review applications, interview candidates and manage notice periods before the successful person can start.
When an HR leader leaves unexpectedly or a business-critical project is already under way, waiting several months may not be practical.
An Interim HR professional can often step in much more quickly, helping the organisation maintain momentum and reduce disruption.
The requirement is temporary
Not every increase in workload justifies creating a permanent position.
A business may need additional HR support during a transformation programme, a period of rapid recruitment or a temporary rise in employee relations cases. Once that work has been completed, the requirement may reduce.
Interim support allows the organisation to access the right expertise for the period it is needed, without committing to a permanent increase in headcount.
You need specialist expertise
Some HR projects require experience that may not exist within the current team.
For example, a business implementing a new HR information system may need someone who has led similar implementations before. An organisation planning a restructure may benefit from a consultant with extensive organisational change and employee consultation experience.
An Interim HR consultant can provide targeted expertise, complete the work and transfer knowledge to the internal team.
Your existing HR team needs more capacity
Interim support is not only for organisations without an internal HR function.
Established HR teams may use an interim consultant to take ownership of day-to-day activity, employee relations work or a specific project. This gives permanent team members more time to focus on strategic priorities.
The consultant can work as an extension of the existing team, providing additional capacity without disrupting established responsibilities.
You need an independent perspective
An experienced external HR professional can bring objectivity to a difficult or sensitive situation.
This may be particularly valuable during workplace investigations, senior-level employee relations cases, organisational reviews or major change programmes.
Because the consultant is not influenced by existing internal relationships or workplace history, they can provide an impartial assessment and practical recommendations.
When is a permanent HR hire the better option?
The role is part of the long-term structure
A permanent appointment is likely to be the better choice when there is an ongoing need for the role and the responsibilities form a core part of the organisation’s future operating model.
For example, a growing business that previously had no internal HR resource may reach a point where it needs a permanent HR Manager to support employees, managers and leadership on a daily basis.
Continuity is essential
Permanent employees build long-term relationships across the organisation. They develop a detailed understanding of its culture, leadership style, history and commercial priorities.
This continuity can be particularly valuable for roles focused on employee engagement, talent development, succession planning and long-term organisational culture.
You want to build internal capability
A permanent hire can help create and develop an internal HR function over time.
They may recruit additional team members, introduce new systems, improve reporting and establish consistent ways of working across the business.
Where the need is long-term and the organisation is ready to invest in internal infrastructure, permanent recruitment may offer greater strategic value.
The organisation can wait for the right candidate
A permanent recruitment process should not be rushed. Taking the time to define the role, assess the market and identify the right cultural and technical fit can improve the chances of a successful appointment.
When the organisation has sufficient cover in place and no urgent project or operational risk, it may be appropriate to focus solely on securing the right permanent candidate.
Can an Interim HR consultant support permanent recruitment?
Interim and permanent HR support do not need to be treated as competing options.
Many organisations appoint an Interim HR consultant while recruiting for a permanent role. The interim professional can maintain service levels, support managers and progress key priorities during the recruitment process.
They may also help define the permanent position, assess the skills the organisation needs and provide a thorough handover when the new employee starts.
This removes some of the pressure to make a quick permanent appointment and allows the business to focus on finding the right person rather than simply the first available candidate.
What about fractional HR support?
Some organisations need regular senior HR expertise but do not require a full-time employee.
Fractional HR provides access to an experienced HR professional for an agreed number of days each week or month. The arrangement can continue for as long as the business needs it.
This can work particularly well for SMEs and growing organisations that need strategic HR leadership but are not yet ready to appoint a full-time HR Director.
Fractional support can also strengthen an established HR team by giving it access to senior guidance, mentoring and specialist expertise.
Is Interim HR more expensive than a permanent hire?
The cost cannot be compared using salary alone.
An Interim HR consultant will usually have a higher daily or hourly rate than the equivalent permanent employee. However, the organisation is only paying for the consultant during the period in which their expertise is required.
A permanent appointment may include:
- Salary
- Employer National Insurance contributions
- Pension contributions
- Holiday pay
- Employee benefits
- Recruitment fees
- Training and development costs
- Ongoing employment costs
The financial comparison should therefore consider the length and nature of the requirement, rather than simply comparing a consultant’s day rate with a permanent salary.
Interim HR can also provide value by helping a business complete projects more quickly, reduce delays, manage risk and avoid placing excessive pressure on the existing team.
Questions to ask before deciding
Before choosing between Interim HR and a permanent hire, consider:
- Why is the additional HR resource needed?
- How quickly does the person need to start?
- Is the requirement temporary or ongoing?
- Does the business need generalist support or specialist expertise?
- Is there a defined project or outcome to deliver?
- Does the existing team need capacity, senior guidance or both?
- Is the organisation clear about the long-term structure of its HR function?
- Could interim support provide cover while a permanent recruitment process takes place?
Answering these questions should make the most appropriate option clearer.
Finding the right HR support
There is no single correct answer for every organisation.
A permanent HR hire can provide continuity, build long-term relationships and become an important part of the business. An Interim HR consultant can offer speed, flexibility and access to experience that may only be required for a particular period or project.
In some situations, the strongest solution is to use both: interim expertise to address immediate priorities, followed by a carefully planned permanent appointment.
Hunter Adams provides experienced Interim HR consultants across the UK, supporting organisations with temporary cover, additional capacity, specialist projects and periods of organisational change.
Our consultants work at all levels, from HR Advisors and HR Managers to HR Directors and specialist professionals across Employee Relations, Reward, Talent, Learning and Development, HR systems and organisational change.
Whether you need support for a few days, several months or on a fractional basis, we can provide practical HR expertise that fits your organisation and its priorities.
Speak to Hunter Adams about Interim HR support and finding the right solution for your business.
