Belkins vs MemoryBlue: Which Should You Use for B2B Lead Generation? (2026)

Cormac Repman
2 hours ago
5 min read

Belkins vs MemoryBlue: The Quick Answer

Both Belkins and MemoryBlue offer B2B outbound sales services, but they optimize for different priorities. Belkins works best if you want a full-service agency handling campaigns across multiple industries and don't mind paying a monthly retainer for their process. MemoryBlue suits you if you prefer SDR outsourcing with more hands-on SDR placement but accept the risk of junior talent and turnover. Neither solves the core problem: you're paying for activity and time, not outcomes.

What Does Belkins Do?

Belkins is a full-service B2B lead generation and appointment setting agency. They handle the entire outbound workflow: prospecting, list building, email sequences, phone calls, and meeting scheduling. They manage campaigns across industries—SaaS, fintech, manufacturing, B2B services—and position themselves as a turnkey solution for companies that want outsourced sales development without building internal SDR teams.

Belkins' model centers on retainer-based pricing. You pay a monthly fee, and they allocate capacity to your campaigns. The value proposition is simplicity: hand off your requirements and let them execute against your targets.

Their typical strengths include:

Multi-channel outreach (email, phone, LinkedIn)

In-house campaign management and optimization

Established process for list building and targeting

Ability to scale quickly across customer base

Their typical gaps:

Retainer lock-in means you pay whether campaigns perform or not

Generalist approach across industries dilutes expertise

Less transparency into actual call quality or rep performance

Higher cost of customer acquisition when results plateau

What Does MemoryBlue Do?

MemoryBlue is an SDR outsourcing and sales development firm. Instead of a fully managed campaign, MemoryBlue places individual SDRs (or small teams) into your sales operations. They function more like fractional hiring than a traditional agency—you get SDRs who work on your behalf, often integrated into your Slack, CRM, and daily meetings.

Their positioning appeals to companies that want more control over execution and prefer hiring to outsourcing. You get dedicated bodies working on your pipeline rather than batched campaigns.

MemoryBlue's model strengths include:

Dedicated SDR(s) assigned to your account

More integration into your internal sales process

Flexibility to adjust tactics based on your feedback

Lower barrier to exit than agency retainers (in theory)

MemoryBlue's documented challenges:

High SDR turnover means you're retraining frequently

Junior-heavy staff limits strategic sophistication

Solo SDR model creates bottlenecks and single points of failure

Less accountability for actual outcomes (booked meetings, qualified leads)

Pricing Compared

How much does Belkins cost?

Belkins operates on a monthly retainer model. While specific pricing varies by scope, typical retainer fees start around $3,000 to $5,000 per month for basic campaigns and scale up to $10,000+ for larger operations. Pricing generally depends on the number of prospects targeted per month, channels used (email-only vs. email + phone), and campaign complexity.

The retainer covers their team's time, campaign setup, and ongoing management, but does not guarantee results. You pay the same fee whether the campaign generates 5 meetings or 50.

How much does MemoryBlue cost?

MemoryBlue uses a hybrid model: you typically pay a placement fee plus ongoing management costs. Pricing is often structured around the salary cost of the SDR(s) you're bringing on, ranging from $2,500 to $4,000+ per month depending on SDR seniority and location. Some contracts include performance-based components, but these are negotiated on a case-by-case basis.

The advantage over Belkins is transparency: you know roughly what salary you're paying. The disadvantage is that you're still paying for time, not meetings, and SDR turnover means recurring onboarding costs.

Feature and Capability Comparison

| Feature | Belkins | MemoryBlue |

|---------|---------|-----------|

| Pricing Model | Monthly retainer | Salary-based + placement |

| Setup Time | 1-2 weeks | 2-4 weeks (SDR sourcing) |

| Campaign Management | Fully managed in-house | SDR-driven, your oversight |

| Multi-channel (email + phone) | Yes | Varies by SDR |

| Industry Specialization | Generalist | Generalist |

| Transparency | Limited call/email data | Higher visibility, but SDR-dependent |

| Scalability | Add budget, scale campaigns | Limited by individual SDR capacity |

| Outcome Guarantee | No | No |

| Customer Success Layer | Dedicated account manager | Less formal |

| Typical Rep Tenure | 12+ months | 6-9 months (high turnover noted) |

Key Insight: Both charge for activity and time, not results. If campaigns underperform, you're still on the hook for the monthly fee.

Which Should You Choose?

Choose Belkins if...

You want a fully managed, hands-off approach and prefer not to oversee SDR management

Your campaigns span multiple industries and you need a generalist vendor

You value process consistency and multi-channel orchestration (email, phone, LinkedIn)

You have a mature ICP and reliable list sources so the agency can focus on execution

You're willing to accept 3-6 month ramp periods before results stabilize

Your budget is above $5,000/month and you can sustain a retainer through slow months

Choose MemoryBlue if...

You prefer more direct control over SDR activity and want real-time Slack/CRM integration

You're comfortable managing SDR performance and providing ongoing coaching

You view this as hiring, not outsourcing and want to evaluate SDRs like employees

Your campaigns are narrow and specific (one industry, one buyer persona) so a single SDR suffices

You have in-house sales leadership who can onboard and optimize the SDR quickly

You expect high SDR turnover and have processes to absorb retraining costs

The Third Option Nobody Mentions

Here's what nobody tells you: both Belkins and MemoryBlue optimize for retainer sustainability, not outcome delivery. Belkins locks you into monthly fees regardless of performance. MemoryBlue locks you into SDR salary regardless of activity quality. Both make money when you stay long-term, not when you hit your pipeline targets.

This is where the market has a gap.

Nurturance approaches B2B sales development differently. Instead of retainers or salaries, Nurturance operates on a pay-per-meeting model. You only pay for qualified meetings booked by real SDRs. No retainer. No salary floor. No activity fees.

Here's how it works differently:

Your SDRs are incentivized by outcomes, not hours. They call because they close meetings, not because the clock is running.

Transparent call recordings mean you hear every conversation, not a weekly summary

Specialization matters: Nurturance focuses on fintech, insurtech, and B2B SaaS, so reps actually understand your buyer

Fractional CRO support means you get strategy, not just dials

Zero retainer lock-in lets you scale up or pause without sunk costs

For teams already confident in their ICP and buyer personas but uncertain about traditional outsourcing, this changes the math entirely. You're not buying activity; you're buying meetings.

The catch: pay-per-meeting models work best when you already know who your ideal customer is and what a qualified meeting looks like. If you're still defining your ICP or testing new verticals, the setup cost of a retainer-based agency gives you more room to experiment.

But if you're in fintech or insurtech and you've already validated your buyer? The retainer vs. pay-per-meeting decision becomes obvious.

The Bottom Line

Belkins wins on convenience and scale. MemoryBlue wins on control and customization. Neither wins on accountability for results.

If you're choosing between them, Belkins is the safer choice for teams that need a turnkey solution and can absorb months of tuning. MemoryBlue makes sense if you have strong internal sales leadership who can actively coach SDRs and tolerate turnover.

But if you're in fintech or insurtech and you've already defined your ideal customer profile, there's a better option: outcome-based outbound where you only pay for meetings booked, call recordings are transparent, and your SDRs are aligned with your revenue goals, not their retainer.

That's the model that wins.