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SDR: Role and Responsibilities in B2B Sales

An SDR, or Sales Development Representative, identifies target companies, starts the first conversation, and qualifies interest before passing an opportunity to sales. The SDR does not close the contract: their job is to create a concrete next step, such as a meeting, a request for a proposal, or a conversation with the right decision-maker.

Self-check
5.93%
of companies contacted replied across our campaigns
6,500
companies gave an explicit yes

Which part of the funnel an SDR owns

An SDR works before the proposal stage. They check a company against the <a href="/en/glossary/icp/">ideal customer profile</a>, identify the relevant role, find a reason to reach out, start the conversation, and handle replies. When a prospect asks for details or suggests a time to talk, the SDR records the context and hands the conversation to sales.

StageSDRAccount executive or sales manager
First contactFinds a relevant reason and starts the conversationJoins after interest is established
QualificationClarifies the role, business need, and next stepAssesses budget, terms, and solution scope
ProposalTransfers the conversation historyPrepares and presents the proposal

If one person is expected to build lists, run demos, prepare proposals, and manage the customer through payment, the role has no clear boundary. Reporting then mixes together very different reasons why an opportunity was lost.

Why lead handoff matters as much as the first email

A well-targeted email cannot replace a response process. If an operations leader replies, “This is interesting. Send details on the integration,” an ineffective SDR sends a deck and waits. A useful response clarifies the current setup and the task, then brings in the colleague who can discuss that situation and agree a time. The SDR does not argue with the reply or leave it as an archived lead.

  1. Record the contact source, segment, and the prospect’s exact question in the CRM.
  2. Check that the reply came from the relevant person rather than a generic inbox or someone without authority.
  3. Agree a specific next step: time, format, and the sales-side participant.
  4. Give sales the full conversation history before the call, not just a name and phone number.

We have received 6,500 explicit yeses across our campaigns. An interest signal is not a deal: it still needs qualification and a fast handoff. Clear criteria and reply workflows are part of <a href="/en/services/reply-handling/">reply handling and lead qualification</a>, supported by <a href="/en/services/crm-integration/">CRM integration for outreach leads</a>.

Where an SDR cannot replace sales—and when the role is not for you

An SDR cannot fix an offer that cannot be explained through one clear business problem. If you cannot name the segment, the problem, and the reason for a conversation, an SDR may increase outreach activity without making the offer easier to understand. Test the commercial hypothesis first; do not treat an SDR hire as the solution.

  • The role is not a fit if nobody on the sales team can take the meeting and answer substantive questions after handoff.
  • It will not solve a motion built only around tenders, inbound requests, or personal relationships.
  • Do not expect an SDR to close a complex sale without an expert who can discuss the product and terms.
  • For a small list of strategic accounts, a focused <a href="/en/services/account-based-marketing/">account-based marketing campaign</a> is usually more appropriate than high-volume outreach.

An external team can cover parts of the SDR function: preparing outreach, starting conversations, and qualifying early replies. You still need an owner who accepts meetings and gives feedback on lead quality. Before hiring, compare an <a href="/en/comparisons/in-house-sdr-vs-agency/">in-house SDR with an agency</a> or request a <a href="/en/free-audit/">free cold outreach audit</a>.

FAQ

What is the difference between an SDR and a BDR?

The boundary varies by company. An SDR commonly develops initial interest and passes a qualified opportunity onward, while a BDR may own broader new-business development across more channels. Define responsibilities in the process instead of relying on a job title alone.

Should an SDR book meetings?

Yes. Booking a meeting or agreeing another specific next step is a common SDR responsibility. However, an SDR should not commit to technical terms or pricing without the sales manager and relevant expert.

Can you measure an SDR only by the number of emails sent?

No. Outreach volume shows activity, not the quality of the list, offer, or reply handling. Track relevant replies, scheduled conversations, and whether sales accepts the leads.

Do you need an SDR if you already have a marketer?

Marketing creates demand and materials; an SDR runs personal outbound conversations with specific companies. In a small team, one person may cover both functions, but the lead-handoff rules still need to be clear.

When should an SDR hand a lead to sales?

Hand the lead over after interest and basic qualification are confirmed. Sales should know the company, the respondent’s role, the subject of the conversation, and the agreed next step. A handoff without context forces the prospect to repeat themselves.

See which SDR work you can delegate

We will review your funnel, offer, and reply handoff process. You will see where an internal sales manager is essential and where the outbound function can be handled by OT9.

Glossary
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