B2B Saas

Maximize SaaS Conversions with Leading Cold Email Outreach Agencies in 2025

List of top cold email marketing agencies in 2024

When done right, cold emailing can be one of the most powerful tools in your outreach strategy, delivering high-quality leads straight to your inbox. For SaaS companies, using cold email lead generation can transform your outreach efforts by bringing in qualified prospects and converting them into real customers.

In this guide, we’ll explore 9 top cold email agencies, highlighting their features to help you choose the perfect partner for your cold email campaigns.

9 Best Cold Email Marketing Agency For B2B SaaS Startups And Companies

Check out the best cold email marketing agencies for your SaaS company and see how they can help you land more leads.

  1. growth.cx
  2. Cleverviral
  3. Saleshandy
  4. Belkins
  5. Growth Rhino
  6. Cleverly
  7. Bay Leaf Digital
  8. SalesHive
  9. Pearl Lemon Leads

1. growth.cx

growth.cx best cold email marketing agency for b2b saas startups and tech companies

growth.cx is a cold email marketing agency that delivers real results for B2B SaaS and tech companies. The team creates targeted email campaigns to bring in quality leads and keep your sales pipeline flowing. We’ve developed a reliable method through constant innovation and testing, ensuring your cold email outreach consistently drives demand. Every strategy we implement follows a clear, well-tested process to maximize impact.

  • A thorough analysis of your requirements
  • Build a verified database
  • Cold outreach campaigns tailored to each client
  • Obtain qualified meetings
  • Closing deals

Pros:

  • Specializes in B2B SaaS and tech companies
  • Data-driven outreach email strategy
  • Provides a verified database and personalized campaigns

Cons:

  • No free trial available

Further Read:  Know B2B Cold Email Templates: Tips, Strategies & Best Practices

2. Cleverviral

Cleverviral b2b saas cold email marketing agency

Cleverviral is a b2b cold email marketing agency that generates high-value leads for your business. The agency helps generate predictable demand for your b2b saas with a unique battle-tested cold email marketing approach. through audit & segmentation, campaign strategy & content creation, testing & optimization, weekly reporting and handoff. 

  • SaaS email marketing tactics that clever viral use,
  • Lead research & validation
  • Ideal customer identification
  • Domain setup & warmup
  • Hyper-personalization
  • Full campaign management and reporting
  • Deliverability management

Pros:

  • Offers hyper-personalization for cold emails
  • Strong lead research and domain warm-up processes

Cons:

  • It may require a long-term commitment for the best results
  • Pricing isn’t transparent on the website

3. Saleshandy

Saleshandy cold email marketing software

Saleshandy is a powerful cold outreach platform that helps in generating more leads and growing your business. You can automate your outreach with personalized emails directly to the client’s inbox and manage that with the replies. This has become popular these days as it’s a powerful suite of tools that helps optimize deliverability and maximize replies. The team claims that using Saleshandy gives users 3-10 meetings per week with a 7-day free trial. 

  • Email sequences
  • Unified inbox
  • Sequence score
  • Auto follow up
  • Email warmup
  • Sender rotation
  • Whitelabel solution
  • Email tracker

Pros:

  • Offers automation for email outreach
  • Includes features like email tracking, auto follow-ups, and sender rotation
  • A 7-day free trial is available


Cons:

  • It is more of a cold email software rather than a full-service agency
  • Requires hands-on effort for optimization

4. Belkins

Belkins b2b cold email marketing agency

Belkins is a b2b cold email marketing agency that acts as your partner for steady lead generation through successful email outreach sequences. The agency’s cold email services, with one-size-fits solutions, help you in solving any sales challenges.  The agency provides two types of packages that you can choose from, omnichannel and omnichannel plus, which come with different features. Belkins discusses details of clients and chooses opportunities that help enrich your pipeline and boost your sales. 

  • Deliverability audit and tech setup
  • Personalized outreach campaigns
  • Tracking and A/B testing
  • Increasing lead-to-appointment ratio
  • Hack growth via predictable lead acquisition

Pros:

  • Provides both omnichannel and cold email solutions
  • Offers A/B testing and deliverability audits

Cons:

  • Might be expensive for startups
  • One-size-fits-all solutions may not work for niche markets

5. Growth Rhino

Growth Rhino cold email marketing agency

Growth Rhino expertise in cold email marketing service as they have the expertise and resources in cold email outreach. The team helps in b2b saas business with the strategies and insights to maximize the conversions and growth potential. Growth Rhino combines advanced multi channel growth marketing approaches from cold emails to webinars and everything in between. 

  • Defining your target audience and breaking it up into specific personas.
  • Launching micro-campaigns and reviewing the results in a qualitative manner
  • Focus on the winning campaign
  • Optimizing and measuring the campaign performance

Pros:

  • Uses a multi-channel approach alongside cold email
  • Conducts micro-campaigns for testing before full-scale outreach

Cons:

  • It can take time to see measurable results
  • Not ideal for businesses looking for instant leads

6. Cleverly

Cleverly cold email outreach agency

Cleverly set up outbound b2b campaigns to send proven personalized messages to your clients to generate positive responses straight to your inbox. The cold email lead generation agency has been trusted by thousands of b2b companies with five-star reviews. Cleverly uses data from thousands of cold email outbound campaigns to send their clients emails to generate high-quality leads. By hiring the agency, you will get a trustworthy cold email expert at an affordable pricing package to set up cold emails for sales from hard-to-reach prospects.

  • Email targeting and list building
  • A/B testing and experimentation
  • Scale email hyper-personalization
  • Email drip campaign optimization

Pros:

  • Uses proven strategies from thousands of past campaigns
  • Affordable pricing options

Cons:

  • Limited flexibility in campaign customization

7. Bay Leaf Digital

Bay Leaf Digital cold email marketing agency

Bay Leaf Digital is a SaaS cold email marketing company that will give you saas customers who can be effective with proven strategies. The agency was founded in 2013  by a team of specialists in search engine optimization, search engine marketing, paid social, and content marketing. Every SaaS customer, from startups establishing product-market fit to global enterprises seeking to stand out from the crowd, can benefit from the team’s knowledge of brand awareness and generating qualified leads. 

  • Understanding your target audience
  • Crafting compelling saas cold emails
  • Building and managing quality email lists
  • Optimize email deliverability and open rates
  • Crafting  an effective call to action
  • Follow up your saas cold emails strategically
  • Track and analyze results

Pros:

  • Offers cold email services alongside SEO and content marketing
  • Focuses on SaaS companies of all sizes
  • Experienced team

Cons:

  • More of a full-service agency, so it may not be ideal if you only need cold email outreach
  • It can be costly depending on the service package

8. SalesHive

SalesHive b2b cold email agency home page

SalesHive is a B2B cold email outreach agency specializing in scalable lead generation through AI-powered email campaigns. Their unique approach combines automation with human expertise to ensure high deliverability and engagement. The agency provides services like email strategy development, copywriting, A/B testing, and real-time campaign monitoring to drive conversions for businesses.

  • AI-driven email content
  • Personalized email copy
  • Targeted lead research & validation
  • Multi-channel outbound strategy
  • Detailed campaign analytics & reporting

Pros:

  • Uses AI to optimize subject lines and email content for higher engagement
  • Focuses heavily on email deliverability to prevent spam folder issues
  • Offers a dedicated team of copywriters, strategists, and deliverability experts

Cons:

  • Primarily tailored for B2B companies, limiting options for B2C businesses.

9. Pearl Lemon Leads

Pearl Lemon Leads cold email agency home page

Pearl Lemon Leads is a results-driven cold email outreach agency that specializes in personalized B2B lead generation. Their data-backed email strategies help businesses connect with high-value prospects through well-optimized and highly targeted email campaigns. The agency handles everything from domain warming and list validation to A/B testing and reporting.

  • Email list validation & segmentation
  • Custom email copywriting
  • Domain setup & warm-up
  • Performance tracking & optimization

Pros:

  • Provides in-depth email performance tracking and reporting
  • Works across multiple industries, offering flexible campaign solutions

Cons:

  • Advanced personalization features may come at a premium cost

Conclusion

In this blog, you’ve been introduced to various cold email marketing agencies, each offering different features for your business needs. You can review them and choose the one that best fits your goals. If you’re confident in executing a cold email strategy on your own, that’s an option, especially with the right expertise and strategies in place.

However, in my experience, hiring a professional cold email outreach agency is often more effective. They bring a dedicated team and proven strategies to the table. Consider agencies like growth.cx, which offer everything you need for successful cold email outreach.

prompting readers to contact growth.cx