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SalesOct 2026·4 min read

What is an SDR, and when should you outsource one?

A Sales Development Representative (SDR) sits at the top of the funnel. Their job is to find, qualify, and book meetings with potential buyers so the closing team can spend their time selling.

What an SDR actually does

An SDR researches accounts, builds lists, runs outbound across email, LinkedIn, and phone, and qualifies opportunities before handing them to an account executive. The output that matters is booked meetings, not calls made or emails sent.

Building in house vs outsourcing

Hiring an SDR in house means recruiting, onboarding, training, and managing, usually three to six months before they're productive. You also carry the cost whether or not the pipeline comes. Outsourcing to a partner means a calling motion that's already running, with results in weeks rather than quarters.

When outsourcing makes sense

Outsourcing fits when you want to test a new segment without committing to a hire, when you need pipeline quickly, or when your closers should be closing rather than prospecting. It also fits when cold calling isn't a strength of your team and you'd rather borrow one that does it every day.

When it doesn't

Outsourcing is weaker when your product needs deep technical knowledge on the first call, or when your brand needs the caller to be a named member of your team. For most B2B services, neither is true.

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