Businesses tend to outsource sales when there is a gap between what they want to achieve commercially and what their existing sales operation can realistically deliver.
That gap can appear for many reasons.
Revenue targets increase. A business enters a new market. A new product needs taking to market. The existing sales team reaches capacity. Pipeline becomes inconsistent. Or recruitment simply cannot happen quickly enough to support the growth plan.
The circumstances differ, but the underlying challenge is similar: the business needs greater sales capability, capacity or consistency than it currently has.
To understand what drives organisations towards outsourced sales, Air Marketing reviewed wider evidence on outsourced sales buying behaviour and compared it with the circumstances behind our own client relationships and recent won opportunities.
What emerged was not a picture of businesses outsourcing because they simply needed more people making calls.
Instead, outsourcing becomes particularly relevant when a commercial objective exposes a gap in the existing sales operation, and the business needs a practical way to close it.
How was the research carried out?
Our analysis had two parts.
External research
We reviewed publicly available industry reports, sales development benchmarks, consultancy research and market commentary to identify recurring patterns in how organisations evaluate and buy outsourced sales services.
Air client analysis
We compared those patterns with Air Marketing's 15 highest-value client relationships and information captured across a selection of recent won opportunities.
We looked at:
- Commercial context: What was changing in the organisation when outsourcing was considered.
- Sales problem: The pipeline or sales outcome the buyer needed to address.
- Company profile: The industry and company segment involved.
- Decision-makers: Who led or influenced the buying decision.
- Alternative options: Whether internal recruitment was considered.
- Initial engagement: How the relationship was structured at the start.
- Buyer expectations: What buyers expected the outsourced partner to provide.
- Growth over time: How the relationship developed after launch.
This is not a market-wide statistical survey, so the findings should be treated as directional rather than representative of every outsourced sales buying decision.
However, the consistency between the wider research and patterns within Air's own client base gives us a useful view of why B2B organisations consider outsourced sales and what they expect from it.
Why do businesses outsource sales?
The starting point is usually not outsourcing itself.
It is a commercial objective or problem the business needs to address.
That might mean:
- Market expansion: Entering a new market or territory.
- New propositions: Launching a new product or service.
- Higher targets: Responding to increased revenue or pipeline expectations.
- Capacity constraints: Adding resource around an existing sales team.
- Inconsistent prospecting: Building a more dependable flow of outbound activity.
- Lead follow-up: Responding to inbound enquiries or buying signals more consistently.
- Market testing: Validating a proposition before committing to permanent headcount.
- Recruitment speed: Reducing the time and risk involved in hiring and ramping SDRs.
In many of these situations, the business has potential customers and a viable proposition. What it lacks is sufficient capacity, infrastructure or consistency to turn that opportunity into pipeline.
The decision to outsource is therefore less about handing sales activity to somebody else and more about addressing a specific gap in the organisation's ability to execute its commercial plan.
Commercial change often exposes the sales gap
One of the clearest patterns in the research was the relationship between commercial change and the decision to explore outsourced sales.
Common triggers included funding or private equity investment, new commercial leadership, expansion into new markets, product launches, declining inbound performance and higher revenue targets.
These moments increase what the sales operation is expected to deliver.
But sales capability does not automatically expand at the same speed.
A business might have ambitious growth targets but no dedicated outbound team. It might have an experienced sales function but insufficient prospecting capacity. Or it may need to enter a new market before it has the time or confidence to recruit a permanent team.
That creates a gap between commercial ambition and the organisation's ability to execute against it.
Internal recruitment may ultimately form part of the answer, but defining roles, finding candidates, managing notice periods, onboarding and allowing new hires to learn the market all take time.
Outsourcing offers another route by providing access to salespeople alongside the management, data, technology and delivery processes needed to support them.
The value is therefore not simply additional activity. It is increasing sales capability at a point when the business needs to respond to a commercial opportunity or pressure.
The gap looks different across different organisations
There is no single profile of a business that needs outsourced sales.
What changes is the role an outsourced team needs to play within the organisation.
Building the capability
Smaller businesses may rely heavily on founder-led selling, referrals and inbound enquiries. Outsourcing becomes relevant when those channels no longer create a predictable enough flow of opportunities and there is no structured outbound function underneath them.
Moving faster
Investor expectations, ambitious growth plans or new-market expansion can increase pipeline requirements quickly. Outsourcing can help establish a repeatable outbound approach faster than the internal hiring plan can develop.
Protecting consistency
The sales function may already exist, but prospecting becomes inconsistent as Account Executives prioritise live opportunities. SDR turnover and limited management capacity can widen the gap further.
Adding specialist capacity
Larger organisations may use outsourcing for defined execution needs such as regional coverage, a product launch, account-based outreach or the follow-up of demand and intent signals.
Buyers often compare outsourcing with recruitment
Across Air's won opportunities, one recurring pattern was that businesses had considered recruiting an SDR before exploring outsourcing.
On the surface, hiring internally can appear to be the more straightforward option.
But an SDR does not operate in isolation.
- Recruitment: Advertising, candidate sourcing and hiring costs.
- Employment costs: Salary, commission, employer National Insurance and pension contributions.
- Technology and data: Equipment, CRM licences, sales tools and prospect data.
- Training and ramp: Onboarding, development and time before the SDR becomes fully productive.
- Management: Day-to-day coaching, quality assurance and performance oversight.
- Performance: Reporting, analysis and continuous optimisation.
This changes the comparison.
Rather than comparing an employee's salary with an outsourced provider's fee, buyers need to compare the complete operating requirements behind each option.
Effective outbound needs people, but it also needs accurate data, clear messaging, appropriate technology, coaching, reporting and continuous improvement.
The question therefore becomes: which model gives the business the capability it needs, within the required timeframe and at a commercially viable cost?
Inconsistent execution can create the gap even when the sales team is strong
Not every organisation considering outsourced sales lacks sales expertise.
Some have experienced salespeople, a clearly defined target market and a strong proposition.
The problem is consistency.
Prospecting competes with live opportunities, proposals, account management, internal meetings and closing activity. When those priorities increase, outbound can quickly move down the list.
This creates a stop-start cycle.
Pipeline drops, prospecting activity increases, opportunities begin to appear and attention shifts back towards closing. Several months later, the pipeline gap returns.
This is particularly relevant when Account Executives are expected to generate new opportunities while simultaneously progressing and closing them.
A dedicated SDR function can protect prospecting capacity and maintain a more structured, multi-channel approach to generating qualified conversations while internal salespeople focus on opportunities further through the funnel.
Buyers increasingly need capability, not simply headcount
The research suggests that businesses considering outsourced sales are looking beyond additional SDR resource.
If the commercial problem involves execution, adding another person without the infrastructure around them may not solve it.
A well-structured outsourced SDR function can bring together the people required to generate pipeline with the management, data, technology and processes needed to support consistent execution.
Accurate prospect data, market insight and buying signals help teams identify and prioritise the accounts most likely to be relevant.
CRM, automation and AI can improve productivity and visibility when they support a clear sales process rather than adding unnecessary complexity.
Skilled SDRs create meaningful conversations, handle objections and represent the client's brand professionally.
A structured approach gives the organisation greater consistency and clearer visibility into activity, quality and results.
Campaigns can be refined using market feedback, call insight and performance data rather than relying on a static approach.
Together, these elements provide something an individual hire cannot create alone: an operating structure designed to support consistent outbound execution and measurable commercial outcomes.
Senior commercial leaders tend to make the decision
Air's client analysis found that outsourced sales decisions are generally led or influenced by people directly accountable for commercial performance.
Typical buyers included Sales Directors, Heads and VPs of Sales, CROs, Commercial Directors, Marketing Directors, CEOs and Managing Directors.
This reinforces the wider finding.
Outsourcing needs to solve a commercial problem, not simply an activity problem.
A senior buyer is likely to care about whether the programme can increase qualified pipeline, create capacity, provide useful market insight and support revenue performance.
They also need confidence that an outsourced team can operate effectively alongside the existing sales organisation.
That places greater importance on commercial alignment, transparency and integration than activity volume alone.
Organisations may start with a focused programme before expanding
Both the wider research and Air's client analysis found examples of organisations beginning with a focused programme before increasing their investment.
That initial engagement might concentrate on a defined market, campaign or sales requirement.
This gives the organisation an opportunity to test:
- Targeting: The quality of account selection and prospect data.
- Market response: Proposition fit and responsiveness within the target audience.
- Messaging: How prospects respond and the quality of sales conversations.
- Conversion: How meetings and opportunities progress through the funnel.
- Operational fit: How effectively internal and outsourced teams work together.
The purpose should not simply be to generate a burst of short-term activity.
A focused initial programme can help the organisation understand whether the targeting, messaging, process and operating model are capable of creating repeatable pipeline.
Where that model works and results are measurable, the relationship can then expand through additional capacity, markets, services or campaigns.
Outsourcing does not have to mean replacing an internal team
The research also challenges the idea that businesses must choose between building internally and outsourcing.
In practice, the two models can work together.
An internal sales team may retain ownership of customer relationships, active opportunities and closing, while an outsourced team provides dedicated prospecting, qualification or inside-sales capacity.
This can be particularly useful for:
- A new market, territory or product launch
- A specific customer segment or account-based campaign
- Inbound lead qualification and follow-up
- Dormant account reactivation or additional capacity during growth
Air's relationship with Funding Circle is one example. Funding Circle has its own internal sales operation but has worked with Air since 2016. Air identifies and qualifies opportunities before handing them to the internal team and contributes approximately 50% of its outbound results.
“Air are as vital to our growth as our own internal sales team, accounting for around 50% of outbound results and playing a critical role in our growth story. We don’t see them as a third party - they operate as a true extension of Funding Circle, sharing our values and matching the commitment we expect from our own hires. Their ability to scale rapidly and handle complex requests lets us test and iterate at speed. Over the past 8 years we’ve built a deeply collaborative relationship, solving challenges together and consistently delivering measurable growth.”
The more useful question is not always, should we build an internal sales team or outsource?
It may be: which parts of the sales process should we own internally, and where would additional external capability make us more effective?
When is outsourced sales likely to be the right option?
Outsourcing may be worth considering when there is a clear commercial objective but a gap in the capability or capacity available internally to deliver it.
- You need to build pipeline faster than internal recruitment allows.
- Your salespeople are overloaded with closing or account management.
- Outbound activity is inconsistent.
- You want to test a new market before hiring permanently.
- You lack internal SDR management or coaching capacity.
- You need better data, technology or performance reporting.
However, outsourcing is not a solution for every commercial problem.
If the proposition is unclear, the target market is poorly defined or the business is not ready to manage and convert the opportunities created, adding more sales resource is unlikely to fix the underlying issue.
An outsourced team can improve execution, but it cannot compensate indefinitely for weak positioning, unrealistic targets or a poor handover process.
The first question should therefore be: what is preventing the business from achieving the sales outcome it needs?
Only then can you determine whether internal recruitment, outsourcing or a combination of the two is the right response.
What should buyers look for in an outsourced sales partner?
If the reason for outsourcing is to close a capability or execution gap, the choice of partner matters.
A credible provider should be able to explain:
- How it will understand your market, proposition and commercial objective
- How target accounts and contacts will be selected
- Which channels will be used and why
- How SDRs will be trained, managed and coached
- What qualifies as a suitable opportunity and how meetings will be quality-assured
- Which measures will be reported and how learning will shape future activity
- How the outsourced team will work alongside your internal sales function
- What a realistic ramp-up period looks like
Transparency is particularly important.
The business should understand how the programme is being run, what prospects are saying, what is working and where performance needs to improve.
An outsourced provider should operate as part of the sales process, rather than as a disconnected source of meetings.
What does the research mean in practice?
Start with the commercial gap: Identify what is stopping the business from achieving its pipeline or revenue objective before choosing the delivery model.
Compare complete operating models: Look beyond salary or agency fee and include management, technology, data, process and ramp time.
Treat timing as a commercial factor: Recruitment and ramp time matter when additional pipeline or capacity is needed now.
Choose the model around the problem: Internal, outsourced and blended teams can all work depending on the commercial requirement.
What does the comparison look like for your business?
The right sales model depends on more than headline salary or monthly cost. Recruitment, management, technology, data and ramp time all influence the true investment required to build an effective SDR function.
Use our In-House vs Outsourced SDR Cost Calculator to compare the wider cost of building internally with an outsourced model.
Compare your costsThe common thread behind the buying decision
Businesses tend to outsource sales when there is a gap between their commercial ambitions and their ability to execute against them internally.
That gap can emerge because the business is entering a new market, increasing revenue targets, launching a new proposition or finding that its existing sales team no longer has the capacity to generate pipeline consistently.
For some organisations, outsourcing provides an outbound capability they do not currently have. For others, it adds dedicated capacity alongside an established sales team or specialist support around a defined commercial objective.
What connects these situations is the need to improve sales execution without waiting for the business to build all of the required people, management, data, technology and processes internally.
The strongest outsourced sales partnerships therefore do more than add activity. They create a more consistent route from commercial ambition to pipeline.
Deciding whether to build or outsource?
Start by identifying where the gap exists in your current sales operation, then compare which model gives you the people, capacity, infrastructure and speed required to close it.
Air builds and runs outsourced SDR functions for organisations that need a more consistent and scalable route to pipeline, combining experienced people with the data, technology, management and processes required to support performance.
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