Contingent vs Exclusive vs Retained: Which search model fits your robotics hire?
Published April 2026 · Mycelium
Last updated: April 2026
The short answer
Contingent is pay-on-placement with no exclusivity. Exclusive gives one recruiter the mandate with a commitment to focused execution. Retained involves an upfront fee with dedicated resourcing from day one. Each fits different situations, and the right choice depends on the seniority, complexity, and urgency of the hire.
Most robotics companies will use all three models at different points. The mistake is defaulting to one model for every hire regardless of context.
Contingent search
In a contingent engagement, the recruiter works on the role with no upfront commitment from the client. The fee is paid only on successful placement, typically 15-20% of first year base salary.
Contingent works well when the brief is clear, the candidate market is identifiable, and the role is at a mid-level or well-defined senior level. For a Senior Controls Engineer or Perception Engineer role where the technical requirements are specific and the seniority is understood, contingent can produce strong results quickly.
The structural limitation is attention. A contingent recruiter bears all the risk and will divide focus across multiple active mandates. If the brief is unusual, the timeline is tight, or the right person requires sustained effort to engage, contingent may produce slower output than the role deserves.
Contingent also means you may be one of several clients the recruiter is working for simultaneously. In a small market like robotics, where candidates know each other and word travels, having multiple agencies approach the same people about the same role can damage your employer brand.
Exclusive search
In an exclusive engagement, one recruiter is given the sole mandate to fill the role. Fees typically range from 18-22% of first year base salary, sometimes with a small engagement fee to confirm commitment from both sides.
Exclusive works when the role is technically complex, the candidate experience matters, or running the search across multiple agencies would create market noise. For specialist robotics roles where the talent pool is small and interconnected, exclusivity ensures that every candidate hears about the opportunity from one source, with one consistent message.
The advantage is focused execution. The recruiter can invest properly in mapping, outreach quality, and candidate management because they know the mandate is theirs. The disadvantage is reliance on a single firm. If that firm does not understand your market, exclusivity amplifies the problem.
In practice, exclusive is the model that fits the majority of specialist robotics hires. It balances the cost structure of contingent with the focus of retained, without the upfront financial commitment.
Retained search
In a retained engagement, the client pays an upfront fee (typically one-third of the total fee) with the remainder paid on shortlist delivery and placement. Total fees typically range from 25-33% of first year base salary.
Retained search is designed for hires where the outcome carries outsized weight. A Head of Autonomy who will shape the direction of a product for three years. A founding technical hire who sets the engineering culture. A confidential replacement where discretion is essential.
The upfront commitment ensures dedicated resourcing from day one. The recruiter builds a full market map before any outreach begins, presents a longlist with reasoning, and manages the process through to offer acceptance. The fee structure aligns incentives toward depth and quality rather than speed.
Retained is the highest-cost model, but for leadership and foundational hires, the cost of a bad outcome far exceeds the recruitment investment. A failed Head of Software hire costs 6-12 months of lost progress, team disruption, and a second search.
Decision framework
If the role is clear and you need speed, go contingent. If the role is specialist and you want quality over volume, go exclusive. If the hire will shape the direction of the team or company, go retained.
For a $250k base role, the fee ranges look like this: contingent $37.5k-$50k, exclusive $45k-$55k, retained $62.5k-$82.5k. The cost difference between models is meaningful but rarely the deciding factor when weighed against the cost of a bad hire or a prolonged vacancy at this level.
Contingent
Clear brief, known market, mid-level roles, speed matters
Exclusive
Specialist roles, candidate experience matters, small talent pool
Retained
Leadership, confidential, founding hires, deep market mapping needed
What matters more than the model
The recruiter's actual knowledge of the market matters more than the commercial structure. A specialist recruiter on contingent will outperform a generalist on retained every time. The model is a framework, not a guarantee.
In robotics specifically, the recruiter needs to understand the technical landscape: what the role actually involves, where the candidates sit, and how to assess genuine depth versus surface-level familiarity. Without that, no commercial model will deliver the right outcome.
Ask the recruiter to describe the candidate market for your specific role before engaging. If they cannot articulate where the talent sits and what makes a strong profile for your particular brief, the model does not matter.
Frequently asked questions
What is the average recruitment fee for robotics roles?
Contingent fees typically range from 15-20% of first year salary. Exclusive fees range from 18-22%. Retained fees range from 25-33%, usually paid in three stages. For a $250k base role, that translates to $37.5k-$82.5k depending on the model.
Can I switch from contingent to retained mid-search?
Yes, though it is better to agree the model upfront. Switching mid-search usually happens when a contingent search stalls and the client realises deeper mapping is needed.
Which model is best for startup hiring?
It depends on the stage. Pre-seed and seed companies making their first robotics hire often benefit from retained search because the hire is foundational. Series A and B companies with clearer briefs may start with exclusive.
Not sure which model fits?
We can advise on the right structure based on the role, timeline, and budget. No obligation to proceed. Start a conversation to discuss your options.