6 Best Outbound Lead Generation Agencies for B2B SaaS

In today’s saturated SaaS landscape, inbound marketing alone is no longer enough. With increased competition and longer buying cycles, SaaS companies need predictable outbound systems to consistently fill their pipelines.

But there’s a challenge: outbound is harder than ever. Buyers are flooded with generic emails, and your message can easily get lost in the noise. Add to that the difficulty of hiring experienced SDRs who understand SaaS economics. It’s no surprise that many teams feel their outbound efforts are random and unscalable.

Most successful SaaS brands are solving this problem by partnering with specialized outbound lead generation agencies. The right agency won’t just book meetings. They’ll help you create a repeatable, revenue-driven outbound engine built around your ICP, value proposition, and growth goals.

In this guide, we highlight 6 lead gen partners you should consider for your outbound efforts.

What to Look for in a B2B SaaS Outbound Lead Generation Agency

Before we dive into each vendor, though, let’s discuss the key evaluation criteria you should consider. After all, selecting an outbound partner isn’t about outsourcing cold calls. It’s about finding a team that behaves like an extension of your own revenue organization.

Key characteristics that the best outbound agencies for B2B SaaS share include:

• SaaS specialization: They understand how SaaS sales work from MRR and ARR to CAC and LTV. In addition, they’ll know the rhythms of subscription-based growth, renewal cycles, and multi-stakeholder decision-making.
  
• Strategic GTM foundation: They should help you define or refine your Ideal Customer Profile (ICP), messaging, and channel mix.
  
• Multichannel execution: Outbound isn’t about cold emails alone. The best agencies blend cold calling, LinkedIn prospecting, and personalized email outreach.
  
• Qualification frameworks that focus on revenue, not vanity metrics: Look for agencies using proven qualification frameworks like BANT, SPICED, or MEDDIC.
• Global coverage with local expertise: If you’re targeting multiple geographies, you’ll need multilingual SDRs who understand cultural nuances.
• ‍SaaS-proven case studies: Look for evidence. SaaS case studies that show real pipeline impact, not just meetings booked.

Most agencies jump straight into outreach. We start by building the strategy first. Our GTM creation process clarifies ICPs, refines messaging, and defines conversion metrics before the first campaign ever launches.

The 6 Best Outbound Lead Generation Agencies for B2B SaaS

1. Profitbl

Best for: B2B SaaS companies seeking predictable outbound pipeline growth in Europe and North America.

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Profitbl helps B2B SaaS companies transform unpredictable outbound efforts into scalable, data-driven growth systems. They combine strategic Go-to-Market design with senior SDR execution to deliver a qualified SaaS pipeline. 

Every campaign begins with a 7-day onboarding process that clarifies ICPs, messaging, and channel mix before outreach starts. Their SDRs all have 5+ years of experience and execute bilingual, multichannel campaigns that turn cold outreach into measurable revenue. 

Profitbl’s focus on complex software sales makes it a standout partner for B2B SaaS firms.

Strengths:

• 7-day onboarding and GTM design before launch
• Senior SDRs with 5+ years’ experience
• Proven SaaS expertise (Cybersecurity, Fintech, HR Tech, MarTech)
• Multilingual coverage (English/French)
• Integrated CRM, data, and reporting stack for full transparency

Services:

• Go-to-Market creation (ICP, messaging, positioning)
• SDR-as-a-Service with bilingual reps
• Multichannel outbound execution (calls, emails, LinkedIn)
• Campaign optimization and reporting

Website | Case Studies | Contact

2. Belkins

Best for: SaaS startups and SMBs needing a global Cold emailing and marketing partner.

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Belkins is one of the most recognized names in outbound lead generation, serving over 2,000 clients across 50 industries. 

Headquartered in the U.S. with large operations in Ukraine and Germany, they blend SDR outsourcing with marketing enablement to deliver full-funnel growth programs. Belkins stand out for their proprietary outreach technology, which improves email deliverability and campaign scalability. 

For SaaS firms looking for a one-stop solution that merges outbound execution with marketing support, Belkins offers a comprehensive approach.

Strengths:

• Global presence with 2,000+ clients served
• Proprietary email infrastructure for high deliverability
• Strong brand reputation (Clutch, UpCity, Inc. awards)
• Broad industry coverage and scalable delivery capacity
• Experienced teams in multiple time zones

Services:

• SDR outsourcing and appointment setting
• Cold email and LinkedIn outreach
• Account-based marketing and content creation
• Deliverability consulting and CRM support

Website

3. Sopro

Best for: Service-oriented SaaS firms seeking cost-effective, email-first lead generation.

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Based in the UK and North Macedonia, focuses on precision-targeted, compliance-safe email outreach. They help SaaS and service-based organizations generate qualified leads through personalized outbound sequences. Sopro’s in-house team handles data sourcing, verification, and campaign management. It makes them ideal for SaaS companies looking to test outbound quickly without the overhead of hiring SDRs.

Strengths:

• Affordable, transparent pricing structure
• GDPR-compliant, data-verified campaigns
• Expert team handling end-to-end email outreach
• Proven track record with service-led SaaS firms
• Flexible month-to-month contracts

Services:

• Email-based lead generation and prospecting
• List building and data verification
• Campaign setup, management, and reporting
• Multi-language support and compliance handling

Website

4. Martal Group

Best for: Mid-market and enterprise SaaS firms seeking senior-level SDR teams with global reach.

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Martal Group is a Canada-based sales development agency specializing in omnichannel lead generation for SaaS and tech firms. With senior SDRs averaging 3–5 years of experience, Martal emphasizes quality conversations that convert to opportunities. Their 13-day onboarding process ensures a fast ramp-up without compromising strategy or personalization. The company’s ability to operate across EMEA, LATAM, and North America makes it well-suited for SaaS organizations seeking international coverage with experienced outbound professionals.

Strengths:

• Senior SDRs (3–5 years average experience)
• 13-day onboarding from contract to campaign launch
• Global coverage across EMEA, LATAM, and NA
• Dedicated operations managers for each campaign
• Personalized playbooks and omnichannel delivery

Services:

• SDR outsourcing and lead generation
• Multichannel outreach (email, LinkedIn, phone)
• Data enrichment and intent-based targeting
• Campaign optimization and performance reporting

Website

5. CIENCE

Best for: Growth-stage SaaS companies seeking scalable, data-driven outbound programs.

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CIENCE blends human-led outbound with advanced automation and data science. Headquartered, CIENCE provides full-funnel support that includes SDR execution, data sourcing, and marketing enablement. Their proprietary CIENCE GO Platform centralizes data, campaign analytics, and workflow automation, making it a strong choice for SaaS firms that value technology-driven transparency and scalability.

Strengths:

• Proprietary data and workflow automation platform
• Global delivery across U.S., LATAM, and Europe
• Large SDR network with diverse industry experience
• Strong analytics and campaign reporting capabilities
• Proven record of high-volume, high-ROI campaigns

Services:

• SDR outsourcing and lead generation
• Data enrichment and list building
• Omnichannel outbound campaigns
• Marketing and RevOps support

Website

6. Operatix

Best for: Enterprise SaaS and cybersecurity vendors seeking a mature, process-driven outbound partner.

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Operatix is known for its long-standing expertise in enterprise tech sales. Originally focused on cybersecurity, the company has expanded into full-scale SaaS sales development. They operate as part of Memory Blue, an acquisition that enhanced Operatix’s global reach while maintaining its reputation. Their structured SDR programs and industry-focused teams make them a top choice for SaaS vendors that require sophisticated, multi-market outbound delivery.

Strengths:

• Decades of experience in complex B2B tech sales
• Strong background in cybersecurity and enterprise SaaS
• Access to MemoryBlue’s training and infrastructure
• Global reach across Europe and North America
• Proven multi-channel methodology

Services:

• SDR outsourcing and appointment setting
• Go-to-Market strategy and campaign design
• Account-based outreach and market development
• Performance reporting and optimization

Final Thoughts & Next Steps

Outbound builds momentum. For SaaS companies seeking consistent growth, outbound lead generation is the missing piece that brings control, scalability, and predictability to your pipeline.

The best agencies combine strategy, process, and senior SDR expertise to deliver measurable business impact.

Profitbl stands out as Europe’s go-to partner for B2B SaaS companies that need scalable results. With multilingual teams, deep SaaS specialization, and data-backed processes, it helps software vendors generate a qualified pipeline.

Book a 30-minute discovery call.