October 25, 2023

Weighing the Merits of Interim (On-Demand) Consultants vs Permanent Employees when expanding the Salesforce

Creating a proficient sales team is a vital step that significantly influences an organisation's revenue-generating capability. A critical decision emerges whether to engage interim (on-demand) consultants or to establish a team of permanent employees, especially when making essential sales hires or even the first hire. This article outlines the distinct advantages and considerations of each hiring approach, aiming to provide a firm groundwork for your hiring decisions.

Interim Consultants: A Channel for Flexible Expertise

Interim consultants, also known as on-demand consultants, are experts hired on a temporary basis to address specific challenges or oversee particular projects within an organisation. They come with a wealth of experience and specialised knowledge in their respective domains, making them well-equipped to provide immediate solutions, drive change, or fill leadership gaps. They are typically hired for a defined period, which could range from a few weeks to several months, depending on the nature and scope of the project.

One distinctive characteristic of interim consultants is their cost structure. They are usually paid on a day rate or hourly rate basis, which tends to be higher compared to the salaried rate of a permanent employee. This higher rate compensates for the lack of job security, benefits, and the contractual nature of their engagement. The cost premium also reflects the level of expertise, flexibility, and immediate value they bring to the organisation.

Accelerated Onboarding and Expertise:

Interim consultants, often experienced in their field, require a shorter time to adapt to their roles. Their expertise can provide a solid foundation to address immediate sales challenges, thereby speeding up the attainment of sales objectives.

Operational Focus:

Assigning specified sales projects to interim consultants allows your core team to maintain focus on critical business operations. This division of responsibilities can boost overall productivity and efficiency, ensuring the organisational focus remains sharp.

Customised Engagement:

Interim consultants provide a degree of flexibility, enabling tailored engagement to the project needs. Their contractual nature allows for a precise alignment with the project requirements.

Cost Efficiency:

Hiring interim consultants can be a cost-effective approach, especially suitable for specific projects or the early stages of business growth. Their engagement ends with the project, removing ongoing financial commitments such as salaries, benefits, or company perks.


The short-term engagement of interim consultants could lead to a lack of continuity and long-term relationships with clients. Other potential downsides include communication hurdles, diminished control over the sales process, and a possible shift from the brand ethos.

Permanent Employees: Anchoring Long-term Organisational Growth

Permanent employees are hired on a long-term basis under an indefinite employment contract, becoming integral to the organisation's growth and success. They usually receive a fixed salary and are entitled to benefits like health insurance, paid time off, and retirement plan contributions provided by their employer.

The relationship between the organisation and permanent employees is ongoing, lasting as long as the employee's performance is satisfactory and the position is necessary. Typically working full-time hours, they adhere to organisational policies and are under its management and supervision. They help build the company culture, forge long-term client relationships, and acquire in-depth knowledge of the company's products or services, which is crucial for sustained business growth.

The hiring process for permanent employees is often more rigorous to ensure a good long-term fit. Unlike interim consultants, permanent employees are focused on continuous contributions to the organisation, with their development and retention being crucial for maintaining a stable and effective workforce.

Control and Cultural Integration:

Permanent employees become integral parts of your organisational structure, absorbing and perpetuating the company culture. Their stable presence fosters long-term client relationships and a deep understanding of your products or services, creating a consistent sales approach.

Cost of Replacement and Ramp-up:

The financial aspect of replacing an employee, especially a top-performing sales rep, is high. Each new recruit goes through a ramp-up period, averaging 3.2 months, before reaching full productivity. This time and financial investment is repeated with every replacement, especially given an average tenure of 18 months.

Recruitment Lead Time:

The recruitment gap to fill a sales role, averaging 60 days, highlights the operational strain during such vacancies. The interim period without a sales professional could slow down the sales momentum, underscoring the importance of a stable sales team.

Financial Repercussions of Mis-hires:

A poor sales hire can cause significant financial fallout. A Forbes study shows that a mere 5% increase in sales rep attrition can raise selling costs by 4-6%. This attrition difference translates to over a 50% increase in selling costs and a 20% decline in revenues, showing the critical financial stakes tied to hiring decisions.

Employee Development and Retention

Investing in employee development, training, and retention not only creates a proficient sales team but also reduces the ongoing costs of hiring and training. Creating a supportive work environment with competitive pay and career advancement opportunities is vital for nurturing a dedicated and proficient sales team.


The decision between hiring interim consultants and permanent employees is nuanced, with each path aligning differently with the organisational ethos, financial landscape, and long-term strategic objectives. When establishing a team or structure, interim or on-demand consultants offer valuable experience to set a robust process in place and get the sales pipeline moving. They serve as a practical resource for organisations not yet ready to commit to permanent hires. Once a solid sales structure is in place and the organisation is prepared for permanent hires, interim consultants can either be transitioned out or moved into an advisory capacity. This strategic movement allows for the preservation of the knowledge and experience they have provided while also making room for long-term, permanent employees to take over the day-to-day sales operations. 

It's advisable not to rush into hiring permanent employees without a well-thought-out process or structure in place; instead, leveraging the experience of interim consultants can provide a sound foundation. This approach ensures that your sales team is optimally structured to fuel your organisation's growth trajectory, thereby making a significant positive impact on your business's success.

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