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SDR outsourcing agencies for SaaS companies in the US

10 agencies in the index offer SDR outsourcing for SaaS companies and serve buyers in the US. Ranked by the evidence on record, the first three are Martal Group (Toronto, CA), LevelUp Leads (San Francisco, US, from $3,000 a month) and demandDrive (Waltham, US, from $5,000 a month). Pricing usually follows headcount, so the questions are ramp time, rep turnover and whether reps can move onto the client's payroll. SaaS buyers receive more cold outreach than almost any other segment, so a specific trigger such as a new hire, a funding round or a tool change matters more than volume. The largest market in the index; buyers span four main time zones, so send and call windows matter as much as copy. 6 of the 10 publish a monthly minimum, from $1,000 to $6,000, with a median of $4,000. 1 offers pay-per-meeting pricing and 0 offer pay-per-lead; the rest work on a retainer or do not say. Besides SDR outsourcing, the services most often offered here are cold calling, appointment setting and cold email. 2 build on Clay, 1 works inside HubSpot and 8 use their own or undisclosed tools. 8 have a Clutch or G2 rating on file with the date it was read. Before signing, ask for a sample sequence, the definition of a qualified meeting and who owns the domains and data afterward.

10 agencies·Updated 17 October 2026·How we rank

SDR outsourcing agencies for SaaS companies in the US, ranked
#AgencyHQStackFrom (monthly)ModelProofBadges
1 Martal Group↗ Reported $3.6k-$11k/mo; 3-4 month pilot Toronto, CA Custom Ask Retainer G24.6 (135) SDR PodEditor's PickTop Outbound Agency Europe 2026Top Outbound Agency Canada 2026Top Outbound Agency APAC 2026
2 LevelUp Leads↗ Account-based targeting for tech buyers San Francisco, US Custom $3,000 Retainer Clutch5.0 (61) SDR Pod
3 demandDrive↗ Clay Studio Partner; pairs Clay builds with outsourced SDRs Waltham, US Clay, HubSpot $5,000 Retainer G24.6 (69) Clay NativeSDR Pod
4 memoryBlue↗ Embedded SDR teams; reps can transition to client teams Tysons, US Custom Ask Not published G24.6 (345) SDR Pod
5 OutboundView↗ Clutch-cited $1,000+ min project US Custom $1,000 Retainer Clutch4.4 (9) SDR Pod
6 Groflo↗ Forward-deployed SDRs on top of Clay engine; quarterly terms Miami, US Clay, Instantly, Smartlead $6,000 Retainer n/a Clay NativeSDR Pod
7 Revnew↗ Pay-per-meeting from ~$500 also offered Claymont, US Custom $2,900 Hybrid Clutch4.6 (10) Pay-Per-MeetingSDR Pod
8 SalesHive↗ US-based SDRs; Starter $5k/mo, Growth $8k, Crush $12k; month-to-month US Custom $5,000 Retainer G21.3 (4) Verified DeliverabilitySDR PodEditor's Pick
9 DemandZEN↗ Not published Custom Ask Not published G24.9 (40) SDR Pod
10 Operatix↗ Reported $8-15k/mo; EMEA strength London, UK Custom Ask Retainer n/a SDR Pod

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What differs for SaaS buyers in the US

  • Buying cycle:30-90 days for mid-market deals, longer once security review and procurement join.
  • Compliance:CAN-SPAM allows B2B cold email without prior consent if it identifies the sender, carries a postal address and honors opt-outs; the TCPA restricts autodialed calls and texts to mobile numbers.
  • Budget:6 of the 10 publish a monthly minimum, from $1,000 to $6,000, with a median of $4,000.

Questions

How much does an SDR outsourcing agency cost?
6 of the 10 publish a monthly minimum, from $1,000 to $6,000, with a median of $4,000. Setup fees and minimum terms vary, so ask for both before comparing monthly prices.
Retainer or pay-per-meeting?
A retainer buys an agreed scope each month and suits a defined ICP with at least three months of runway. Pay-per-meeting moves the risk to the agency and suits offers with a short sales cycle. On this page, 1 agency offers pay-per-meeting pricing and 0 pay-per-lead.
How long until results?
New sending domains need two to three weeks of warm-up before volume goes out, and list building runs alongside it. Most agencies quote first meetings in weeks four to eight.
Does the stack matter?
2 of the 10 build on Clay and 1 work inside HubSpot. Ask who owns the sending domains, the data and the workflows when the engagement ends; some agencies hand them over and some keep them.