10 Top Outbound Cold Calling Agencies in Europe

Looking for the best cold calling agency in Europe? This guide compares the top 10 B2B outbound partners for 2025 including pros, cons, pricing tips, and which is best for your team.

TL;DR: 10 Best Cold Calling Agencies in Europe (2025)

Here are the top 10 cold calling agencies in Europe:
  1. SalesCaptain – Best for funded SaaS startups needing end-to-end outbound campaigns.
  2. RemoteAides – Best for lean B2B teams that want voice-first cold calling without hiring SDRs.
  3. Addlium – Ideal for multilingual outreach across Eastern & Western Europe.
  4. Pearl Lemon Leads – Great for founders who want SEO + outreach in one package.
  5. RevBoss – Plug-and-play SDR service with structured campaigns.
  6. SalesHive – Best for teams targeting broad TAMs and high call volume.
  7. Cleverly – Social-selling approach using LinkedIn-first, phone-second strategy.
  8. Growth.cx – Thoughtful, ICP-aligned outbound built for technical founders.
  9. CIENCE – Global outbound giant best suited for enterprise-scale outreach.
  10. Martal Group – Mid-market SaaS agencies expanding into Europe.

The Smarter Way to Build Outbound: Top Cold Calling Agencies for B2B Teams

Let’s be honest outbound isn’t dead. But building it in-house instead of opting for a cold calling agency can kill your runway fast.
 
The hiring.
The training.
The dashboards you’re now babysitting.
And worst of all? You’re still the one cold calling at 8 AM.
 
Founders don’t have time to manage SDR floors. What they do need is pipeline fast. That’s why more lean teams are outsourcing cold calls to agencies that already know the playbook.
 
You don’t need reps learning on your dime. You need trained cold callers who:
  • Know how to get past gatekeepers
  • Can pitch without sounding like a robot
  • And book actual meetings that turn into pipeline
 
That’s where this list comes in.
 
We’ve reviewed dozens of cold calling agencies across Europe from multilingual call shops to B2B-first dialers, and picked 10 that consistently deliver meetings, not just activity logs.
 
If you’re a founder, marketer, or sales lead trying to build outbound without building a 5-man team, this is for you.
 
Let’s get into it.

Top 10 Cold Calling Agencies in Europe (2025)

Logos of the top 10 cold calling agencies in Europe for 2025, including RemoteAides, SalesCaptain, Addlium, Pearl Lemon Leads, RevBoss, SalesHive, Cleverly, Growth.cx, CIENCE, and Martal Group.

1. SalesCaptain

Location: Germany + Global Clients
Best for: Funded SaaS startups that want a done-for-you outbound engine
 
SalesCaptain runs the full cold outbound machine for you. From sourcing leads to writing scripts to calling prospects and updating your CRM, they take care of the entire process. 

Pros

  • Great for complex ICPs
  • Strong process, documentation, and cross-channel execution
  • Consistent reporting

Cons

  • Cold calling is just one part of their mix
  • Not ideal if you’re looking for voice-first outreach only
  • Pricey for smaller teams
 

2. RemoteAides

Location: EU-based ops with vetted African cold callers
Best for: B2B founders who want focused cold calling without hiring a full SDR team
 
RemoteAides is a cold calling agency puts the phone at the center of their strategy. There’s no fluff, no confusing dashboards, just trained cold callers who know how to get conversations started. They vet for phone presence, objection handling, and B2B relevance. With fast onboarding and flexible pricing, they’re perfect for lean teams that need results without micromanaging anyone.

Pros

  • Cold calling is the core offering
  • Reps are voice-tested and trained in-house
  • Transparent pricing (as low as 800€/mo per rep)
  • You don’t have to build or manage a team

Cons

  • Not a multi-channel provider
  • No fancy dashboards or automated reports
 

3. Addlium

Location: Ukraine
Best for: Companies targeting multilingual European markets
 
Addlium’s strength is language and regional fluency. Their callers speak multiple European languages and understand the tone, timing, and compliance requirements of each market. That makes them a good fit if your outreach spans borders. Their focus is on human connection, and they adapt to regional nuances well.

Pros

  • Multilingual team
  • Strong in underrepresented European markets
  • GDPR-compliant approach

Cons

  • Not strictly B2B SaaS-focused
  • Quality can vary across reps
 
Website: addlium.com
 

4. Pearl Lemon Leads

Location: United Kingdom
Best for: Founders looking for a mix of SEO, email, and cold calling
 
Pearl Lemon Leads is more of a full-stack lead gen shop. They offer a range of services including SEO, email outreach, backlink building, with cold calling as one of the channels. That can be great if you want one agency to handle both marketing and sales. Just know that cold calling isn’t their deepest specialty.

Pros

  • Multi-channel lead gen
  • Flexible service plans
  • Solid for hybrid sales and marketing teams

 Cons

  • Less specialized in phone outreach
  • May not suit teams focused only on outbound sales
 Website: pearllemonleads.com
 

5. RevBoss

Location: EU and US hybrid team
Best for: SaaS companies that want plug-and-play outbound
 
RevBoss helps you launch structured outbound campaigns without building your own team. Their process is methodical with messaging frameworks, lead sourcing, campaign testing, and reporting all handled for you. If you’re looking for a service that feels like adding an extension to your sales team, they’re worth exploring.

Pros

  • Clean onboarding and systems
  • Fast time-to-launch
  • Works well alongside internal sales teams

Cons

  • Phone outreach can feel templated
  • Pricing leans toward mid-market and up
Website: revboss.com
 

6. SalesHive

Location: United Kingdom and DACH region
Best for: Teams that care about volume and speed
 
SalesHive is designed for dialing at scale. Their reps make a high volume of calls daily, which is great if you have a large TAM or want to blitz a broad ICP. You’ll get real-time dashboards and recordings to track everything, though personalization may take a back seat.

Pros

  • High daily call volume
  • Live dashboards and insights
  • Easy to scale across multiple markets

Cons

  • Not ideal for niche or complex offers
  • Quality can dip under pressure
Website: saleshive.com
 

7. Cleverly

Location: United States with EU presence
Best for: Founders who prioritize LinkedIn and want light phone follow-up
 
Cleverly is built around LinkedIn. Their cold calling service is more of a supplement to their social selling campaigns. That makes them ideal if you’re running multi-touch outreach and want to add phone calls after warming up leads via content and connection requests.

Pros

  • Focused on clean, non-spammy messaging
  • Includes LinkedIn content and DMs
  • Quick setup

Cons

  • Not a voice-first agency
  • Limited cold call capacity
Website: cleverly.co
 

8. Growth.cx

Location: Germany and Remote
Best for: Technical teams who want strategy before speed
 
Growth.cx takes a deliberate, strategic approach. They don’t just launch campaigns. They study your ICP, test different messaging angles, and collaborate with your internal team before going live. This is ideal for complex B2B products where positioning matters more than speed.

Pros

  • Thoughtful outbound design
  • Deep focus on ICP and messaging
  • Good for dev tools and SaaS

Cons

  • Slower ramp-up
  • Less cost-effective if you want fast meetings
Website: growth.cx
 

9. CIENCE

Location: Global with EU presence
Best for: Large companies running outbound at scale
 
CIENCE is one of the biggest outbound providers. Their platform includes lead sourcing, calling, research, and sales enablement, all at scale. They’re a better fit for enterprise teams with large TAMs and high monthly targets.

Pros

  • Global reach and infrastructure
  • Strong data support
  • Built to run ABM-style campaigns

Cons

  • Less personal touch
  • Too big and expensive for lean startups
Website: cience.com
 

10. Martal Group

Location: Canada with EU team
Best for: Mid-market SaaS entering the European market
 
Martal combines research and outreach to help you break into European markets. Their reps are trained in B2B sales and can handle voice outreach in English and French. They don’t require long-term contracts, which makes them a low-risk option to test a new region.
 

Pros

  • Reps are B2B-savvy
  • EU and North American coverage
  • Month-to-month options available

Cons

  • Reporting isn’t always detailed
  • Mid-tier pricing for mid-tier services

Final Thoughts: Should You Use a Cold Calling Agency?

If you’ve made it this far, chances are you’re not just browsing.
You’re seriously considering outsourcing your outbound.

But maybe you’re still wondering…

What exactly do cold calling agencies do?
And why not just hire in-house instead?

Let’s break that down so you can make the right choice for your team.

What Is a Cold Calling Agency?

 A cold calling agency helps you handle the part of sales most founders dread starting conversations with people who don’t know you yet.
 
They take care of the outreach you don’t have time for. That means:
  • Dialing cold leads
  • Getting past gatekeepers
  • Pitching your product
  • Handling objections
  • Booking real meetings with real buyers
But great agencies don’t just wing it. They follow a process. They come with systems that already work and reps who’ve done this before.
 
Here’s what you can expect from the good ones:
 
  • They source and qualify your leads (so you’re not calling just anyone)
  • They write scripts that sound like you, not a generic template
  • They log everything properly so you’re not losing data
  • They listen to calls and adjust when things aren’t landing
  • They treat your ICP like their own
A proper cold calling agency should feel like an extension of your sales team not a noisy outsourced team with no context.
 

Why Not Just Hire In-House?

Hiring your own reps sounds smart. You get control, culture, consistency. But for most early-stage teams, building outbound in-house becomes an expensive detour.
 
Here’s why:

1. Ramp Time

Even the best reps take weeks (sometimes months) to hit stride. In the meantime, you’re building scripts, fixing lead lists, testing angles, reviewing calls. Pipeline slows while you figure it all out.

2. Real Costs Add Up

Let’s say you hire two SDRs and a junior manager:
  • €2,000–€3,000 per rep per month
  • CRM, dialers, tools: another €300–€500 monthly
  • Plus your own time managing and training them
For a motion that might never ramp properly.

3.Lack of Sales Coaching

Most founders aren’t sales managers. Reps often end up working with no real feedback loop, no ongoing coaching, and no strategy. That’s how outbound fails.
 

At the end of the day, if outbound is mission-critical but your team is lean, working with the right agency could be the smartest move you make this quarter.

FAQs

How much do cold calling agencies charge in Europe?

Most range between €500–€2,500/month depending on volume, channels, and rep experience. RemoteAides is on the leaner side at €500–€800/month per rep.

Can I work directly with my assigned reps?

Yes, most agencies offer Slack or weekly check-ins. RemoteAides gives you direct contact + performance coaching access.

Do these agencies integrate with my CRM?

Many offer CRM syncs (like HubSpot, Salesforce). RemoteAides uses manual updates unless otherwise discussed.

Is cold calling still effective in 2025?

Yes, especially in B2B. Cold calling remains one of the fastest ways to build a qualified pipeline when done well.

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