Introduction
A pipeline full of unqualified names does nothing for your revenue targets. What moves the needle is a steady flow of decision makers who are ready to talk. That is exactly what the top 10 lead generation agencies in Spain are built to deliver, and choosing the right one is one of the highest leverage decisions a commercial leader can make this year.
Spain has become a genuine hub for B2B demand generation. Madrid and Barcelona host teams that combine multilingual outreach, GDPR-first data practices, and sector specialists who understand everything from SaaS to manufacturing. National scale means these agencies work across regulatory frameworks, multiple time zones, and diverse buyer cultures, from Basque industrials to Catalan tech scaleups.
For companies hoping to expand into the Spanish market or accelerate an existing pipeline, engaging a specialist partner removes the guesswork of building an in house sales development function from scratch. Below, we rank the ten agencies worth a serious look, break down what each one does best, and give you the practical detail (pricing, team size, founding year, ratings) that most listicles leave out.
Quick List: Agencies Covered in This Guide
- Pearl Lemon Leads
- Mutare
- Vparagon
- ReveGro
- A-SALES AB
- CPM International Contact Centre
- DataCentric (Deyde DataCentric)
- Artemis Leads
- Callpalooza
- To500in100 Agency
What Is a Lead Generation Agency?
A lead generation agency is an outsourced commercial partner that identifies, engages, and qualifies prospective buyers on behalf of a client, then hands over sales ready opportunities. Instead of building an internal sales development team, a business hires specialists who already have the tools, scripts, data, and outreach infrastructure in place.
In the B2B context specifically, this typically covers:
- Outbound prospecting across email, LinkedIn, and phone
- Appointment setting and calendar booking for account executives
- Data enrichment and list building
- Account based marketing (ABM) for named target accounts
- Inbound demand generation through content and paid channels
- CRM integration and reporting on pipeline contribution
A partner in Spain adds one more layer of value: fluency in the local commercial culture, GDPR compliant data handling, and the ability to run campaigns in Spanish, English, French, or German across the same book of business.
What Qualifies as a Good Agency? Key Selection Criteria
Not every agency that claims to “generate leads” can prove it. Here is what separates a serious commercial partner from a list broker with a nice website.
| Criteria | What to Look For |
| Track record | Verified reviews on Clutch, Sortlist, or GoodFirms, not just testimonials on their own site |
| Sector fit | Experience selling into your industry or a closely adjacent one |
| Data compliance | Documented GDPR processes and consent based data sourcing |
| Reporting | Real time dashboards or weekly reporting tied to pipeline, not vanity metrics |
| Team structure | Named point of contact, dedicated SDRs, and clear escalation paths |
| Flexibility | Ability to scale campaigns up or down without long lock in contracts |
| Multilingual reach | Coverage across Spanish, English, and other relevant EU languages |
If an agency cannot answer clearly on all seven points during a discovery call, that is a signal to keep looking.
Agency Comparison at a Glance
| Rank | Agency | HQ | Founded | Team Size | Best For |
| 1 | Pearl Lemon Leads | London, with EU coverage including Spain | 2014 | 10 to 49 | Full funnel B2B lead generation and appointment setting |
| 2 | Mutare | Barcelona, Spain | 2017 | 2 to 9 | Conversion optimization plus sales outsourcing |
| 3 | Vparagon | Sabadell, Spain | 2017 | 2 to 9 | Sales outsourcing and business consulting |
| 4 | ReveGro | Arrecife, Spain | Undisclosed | 2 to 9 | B2B appointment setting and sales team augmentation |
| 5 | A-SALES AB | Multi country, Spain coverage | Undisclosed | 10 to 49 | Enterprise account outbound and meeting setting |
| 6 | CPM International Contact Centre | Barcelona, Spain | Part of CPM Group | 50 plus | Omni channel outsourced sales and contact centre services |
| 7 | DataCentric (Deyde) | Madrid, Spain | 1994 | 1,000 plus | B2B and B2C data, list building, and lead enrichment |
| 8 | Artemis Leads | Spain coverage, remote first | Undisclosed | 10 to 49 | Outbound cold calling and decision maker access |
| 9 | Callpalooza | Barcelona, Spain (plus London and Cairo) | 2020 | 2 to 9 | Sales outsourcing, email marketing, and content support |
| 10 | To500in100 Agency | Spain coverage | 2022 | 2 to 9 | Sales outsourcing and email marketing for growing teams |
Best Lead Generation Agencies in Spain: The Full Breakdown
1. Pearl Lemon Leads
Pearl Lemon Leads works with founders and sales leaders who need a pipeline that actually converts, not just a spreadsheet of names. The team builds outreach sequences around your ideal customer profile, then runs multichannel campaigns across email, LinkedIn, and phone until a prospect is ready to talk to your closers.
The Approach
Every engagement starts with research. The team maps your target accounts, builds messaging around the pain points that matter to that buyer, and tests sequences before scaling spend or effort. Campaigns are adjusted weekly based on reply rates and booked meetings, not left to run unchecked for a full quarter.
Company Snapshot
| Detail | Information |
| Founded | 2014 |
| Team Size | 10 to 49 specialists |
| Headquarters | London, with delivery across the EU including Spain |
| Client Rating | 4.8 out of 5 (aggregated across public review platforms) |
⭐⭐⭐⭐⭐
Standout Capability 1: Multichannel Outreach Campaigns combine cold email, LinkedIn outreach, and phone follow up so prospects are met wherever they are most responsive, rather than relying on a single channel that can fatigue over time.
Standout Capability 2: Sector Specific Messaging Rather than reusing generic templates, the team builds sequences around the specific commercial pressure a target buyer is facing, which lifts reply rates considerably compared with mass blasted outreach.
Standout Capability 3: Transparent Reporting Clients receive regular reporting tied to booked meetings and pipeline value, so performance can be judged against revenue impact rather than open rates alone.
Pros and Cons
| Pros | Cons |
| Full funnel service from list building to appointment setting | Best suited to companies with a defined ICP already in place |
| Multilingual campaign delivery | Onboarding takes a few weeks to calibrate messaging |
| Clear reporting cadence | Smaller businesses may need to start with a narrower scope |
Best Use Case
Businesses that want one partner to own outbound lead generation end to end, from list building through to a booked call on an account executive’s calendar, without managing multiple vendors.
Pricing
| Package | Typical Scope | Indicative Monthly Investment |
| Starter | Single channel outreach, limited target list | From £1,500 |
| Growth | Multichannel outreach plus appointment setting | From £3,000 |
| Enterprise | ABM, dedicated SDR pod, custom reporting | Custom quote |
Pricing is quote based and depends on target list size, channels used, and campaign volume. Book a discovery call for an exact figure.
2. Mutare
Mutare is a Barcelona based team known for combining conversion optimization with sales outsourcing, which makes it a strong fit for companies that already drive traffic but struggle to turn it into qualified conversations.
The Approach
Rather than treating lead generation as a numbers game, Mutare focuses on improving the quality of each stage in the funnel, from landing page conversion through to the handoff between marketing and sales.
Company Snapshot
| Detail | Information |
| Founded | 2017 |
| Team Size | 2 to 9 specialists |
| Headquarters | Barcelona, Spain (with a presence in the United States and Costa Rica) |
| Client Rating | 4.5 out of 5 |
⭐⭐⭐⭐
Standout Capability 1: Conversion Rate Optimization The team audits existing funnels to find where prospects drop off, then rebuilds those stages before adding more top of funnel spend.
Standout Capability 2: Sales Outsourcing Dedicated resources handle outbound follow up so internal teams are not stretched across both demand generation and closing.
Standout Capability 3: Digital Strategy Integration Campaigns are built to work alongside existing paid and organic channels rather than competing with them for budget or attention.
Pros and Cons
| Pros | Cons |
| Strong focus on conversion, not just volume | Small team size may limit capacity for very large accounts |
| Cross border experience across three markets | Less suited to businesses needing pure cold outbound at scale |
Best Use Case
Companies that already generate traffic or inbound interest but need help converting it into qualified sales conversations.
Pricing
Mutare does not publish fixed rates publicly. Based on comparable small team engagements in the Spanish market, expect a starting point of approximately €1,800 to €3,500 per month depending on scope. Request a proposal to confirm.
3. Vparagon
Based in Sabadell, Vparagon blends sales outsourcing with business consulting, which suits companies that need strategic input alongside execution rather than a purely transactional outbound service.
The Approach
Vparagon typically begins with a consulting phase to understand where a client’s commercial process is breaking down before deploying outbound resources against a clearly defined target segment.
Company Snapshot
| Detail | Information |
| Founded | 2017 |
| Team Size | 2 to 9 specialists |
| Headquarters | Sabadell, Spain |
| Client Rating | 4.4 out of 5 |
⭐⭐⭐⭐
Standout Capability 1: Consulting Led Onboarding Engagements start with a diagnostic phase, reducing the risk of running outbound campaigns against a poorly defined target audience.
Standout Capability 2: Corporate Training Beyond outsourced delivery, the team offers training so internal staff can eventually take on parts of the process.
Standout Capability 3: Business Consulting Overlay Strategic guidance is bundled with execution, which benefits founders who need direction as much as delivery.
Pros and Cons
| Pros | Cons |
| Useful for companies without a defined sales process yet | Smaller team may mean longer lead times during peak demand |
| Consulting plus execution in one engagement | Less specialized in pure high volume outbound |
Best Use Case
Early stage or mid market companies that need help defining their commercial process before scaling outbound volume.
Pricing
Indicative starting packages in this segment of the Spanish market generally begin around €2,000 per month for consulting plus limited outbound delivery. Confirm current rates directly with the agency.
4. ReveGro
ReveGro is a sales development agency based in Arrecife that has built a reputation for aligning closely with client culture, which matters when an outsourced team is representing your brand on outbound calls.
The Approach
The team runs sales outsourcing, team augmentation, and performance enhancement services, with a strong focus on B2B appointment setting as its primary specialization.
Company Snapshot
| Detail | Information |
| Founded | Not publicly disclosed |
| Team Size | 2 to 9 specialists |
| Headquarters | Arrecife, Spain |
| Client Rating | 5 out of 5 on verified B2B lead qualification reviews |
⭐⭐⭐⭐⭐
Standout Capability 1: B2B Appointment Setting Roughly 70 percent of ReveGro’s focus is on appointment setting specifically, giving it deep specialization in this single high value activity.
Standout Capability 2: Sales Team Augmentation Clients can plug ReveGro resources directly into an existing sales motion rather than running a fully separate outsourced function.
Standout Capability 3: Cultural Alignment Client feedback consistently highlights the team’s ability to represent brand voice and internal culture accurately during outreach.
Pros and Cons
| Pros | Cons |
| Strong specialization in appointment setting | Smaller team size limits very high volume campaigns |
| High satisfaction scores on reviewed projects | Limited public information on founding history |
Best Use Case
Companies that specifically need appointment setting support layered onto an existing sales team rather than a full outsourced function.
Pricing
Project costs are undisclosed publicly. Based on comparable appointment setting engagements in the region, expect proposals in the range of £1,500 to £4,000 per month depending on call volume and target list complexity.
5. A-SALES AB
A-SALES AB runs ongoing sales outsourcing for B2B SaaS and enterprise clients, with delivery spanning 19 countries, giving it meaningful cross border experience relevant to companies expanding beyond Spain.
The Approach
The team engages enterprise accounts directly, using email and phone outreach to secure meetings with qualified decision makers, then hands those meetings to the client’s closing team.
Company Snapshot
| Detail | Information |
| Founded | Not publicly disclosed |
| Team Size | 10 to 49 specialists |
| Headquarters | Multi country operation with coverage into Spain |
| Client Rating | 5 out of 5 across 44 reviews |
⭐⭐⭐⭐⭐
Standout Capability 1: Enterprise Account Engagement The team is built for outreach into larger accounts, where longer sales cycles and multiple stakeholders require more disciplined follow up sequences.
Standout Capability 2: Cross Border Delivery With completed projects across 19 countries, the team brings experience adapting messaging for different regional buyer expectations.
Standout Capability 3: Structured Project Management Reviewers consistently highlight strong project management and communication as a differentiator versus smaller competitors.
Pros and Cons
| Pros | Cons |
| Proven track record with 44 public reviews | Some reviewers note occasional variability in deliverable quality |
| Strong enterprise account experience | Average project cost sits below $10,000, which may signal narrower scope per engagement |
Best Use Case
B2B SaaS and enterprise focused companies that need meetings booked with larger accounts across multiple markets, not just within Spain.
Pricing
Publicly reported average project cost is under $10,000 (approximately €9,200), typically structured as a retainer against a defined number of meetings booked per month.
6. CPM International Contact Centre
Part of the wider CPM Group, CPM International Contact Centre in Barcelona is an award winning, omni channel outsourced sales operation built for companies that need contact centre scale alongside lead generation expertise.
The Approach
CPM blends call centre infrastructure with high performance sales delivery, spanning multiple languages and channels for clients who need both volume and consistency.
Company Snapshot
| Detail | Information |
| Founded | Operates as part of CPM Group, a long established global outsourced sales company |
| Team Size | 50 plus specialists |
| Headquarters | Barcelona, Spain |
| Client Rating | 4.3 out of 5 |
⭐⭐⭐⭐
Standout Capability 1: Omni Channel Delivery Campaigns run across phone, email, and digital channels within a single unified contact centre operation.
Standout Capability 2: Multilingual, Multi Market Coverage As part of a global group, the Barcelona team can support campaigns spanning multiple European languages and markets simultaneously.
Standout Capability 3: Enterprise Grade Infrastructure Being part of CPM Group gives access to more established systems, quality assurance processes, and reporting infrastructure than most boutique agencies.
Pros and Cons
| Pros | Cons |
| Scale and infrastructure of a global group | May feel less personalized than a boutique agency for smaller accounts |
| Strong multilingual and multi market capability | Longer onboarding due to larger organizational processes |
Best Use Case
Larger companies that need contact centre scale combined with structured sales outsourcing across several European languages.
Pricing
As an enterprise grade provider, CPM typically works on custom retainers rather than fixed packages. Expect proposals to start in the €5,000 per month range for a dedicated team, scaling with headcount and channel mix.
7. DataCentric (Deyde DataCentric)
DataCentric is one of the longest established data companies in Spain, operating since 1994 and now forming part of the Accumin group. For companies whose primary bottleneck is data quality rather than outreach execution, this is a specialist worth considering.
The Approach
Rather than running outbound campaigns directly, DataCentric focuses on building, cleaning, and enriching B2B and B2C databases so that a client’s own sales or marketing team, or another agency, can execute against reliable data.
Company Snapshot
| Detail | Information |
| Founded | 1994 |
| Team Size | 1,000 plus (post acquisition group headcount) |
| Headquarters | Madrid, Spain |
| Client Rating | Insufficient public review volume to score reliably |
⭐⭐⭐⭐ (based on longstanding client testimonials referencing 14 plus year relationships)
Standout Capability 1: Data Lake Infrastructure DataCentric has built a proprietary Data Lake connecting public and private data sets on companies, consumers, and territories, supporting real time segmentation.
Standout Capability 2: Segmentation Depth Clients can filter by activity, geography, company size, billing, and other operational variables to build genuinely targeted lists.
Standout Capability 3: Compliance First Data Sourcing Offline data is sourced from public records, with separate consent based processes for any email marketing use, keeping the business aligned with GDPR requirements.
Pros and Cons
| Pros | Cons |
| Decades of experience and a very large company database | Does not run outbound campaigns itself, so it needs pairing with an execution partner |
| Strong compliance processes for data sourcing | Public review volume is limited, making benchmarking harder |
Best Use Case
Companies or agencies that need a reliable, well governed source of B2B contact and company data to feed into their own or a partner’s outreach campaigns.
Pricing
Pricing is not published, which is standard practice among data vendors. Contact DataCentric directly for a data licensing quote based on volume and segmentation needs.
8. Artemis Leads
Artemis Leads positions itself around outbound cold calling experience, with a team that has collectively made a very high volume of cold calls and built processes specifically for connecting with hard to reach decision makers.
The Approach
The team runs outbound campaigns focused on live conversations rather than purely digital touchpoints, which suits industries where phone access to decision makers still drives results.
Company Snapshot
| Detail | Information |
| Founded | Not publicly disclosed, team reports 15 plus years of combined experience |
| Team Size | 10 to 49 specialists |
| Headquarters | Spain coverage, remote first delivery model |
| Client Rating | 4.6 out of 5 |
⭐⭐⭐⭐
Standout Capability 1: High Volume Cold Calling Expertise The team reports having made over 200,000 cold calls collectively, giving it a deep operational playbook for phone based outreach specifically.
Standout Capability 2: Decision Maker Access Campaigns are built around reaching the actual economic buyer rather than gatekeepers, reducing wasted conversations.
Standout Capability 3: Trust Building Methodology The team frames its approach around building trust across a sequence of touchpoints rather than pushing for an immediate close on the first call.
Pros and Cons
| Pros | Cons |
| Deep specialization in phone based outbound | Less emphasis on digital or LinkedIn channels |
| Experienced team with a long combined track record | Founding year and legal entity details are not clearly published |
Best Use Case
Businesses in industries where a phone conversation still carries more weight than an email or LinkedIn message, such as manufacturing, logistics, or traditional professional services.
Pricing
Custom quotes only. Based on comparable phone first outbound services, expect a starting point in the range of €2,500 to €5,000 per month depending on call volume targets.
9. Callpalooza
Callpalooza operates across Barcelona, London, and Cairo, giving it a genuinely international delivery model while maintaining a Spanish base for clients targeting the local market.
The Approach
The agency combines sales outsourcing with email marketing, SEO, and content marketing, making it a reasonable fit for companies that want lead generation bundled with broader digital marketing support.
Company Snapshot
| Detail | Information |
| Founded | 2020 |
| Team Size | 2 to 9 specialists |
| Headquarters | Barcelona, Spain (plus London and Cairo) |
| Client Rating | 4.2 out of 5 |
⭐⭐⭐⭐
Standout Capability 1: Bundled Digital Marketing Alongside outbound sales support, the team offers SEO and content marketing, useful for companies wanting inbound and outbound working together.
Standout Capability 2: Multi Location Delivery Operating across three cities gives the agency flexibility on time zone coverage and language support.
Standout Capability 3: Email Marketing Integration Outbound sales campaigns are paired with structured email marketing sequences rather than treated as entirely separate workstreams.
Pros and Cons
| Pros | Cons |
| Combines sales outsourcing with content and SEO | Small team size may limit very large scale campaigns |
| International delivery footprint | Newer company with a shorter track record than some competitors |
Best Use Case
Companies that want a single partner handling both outbound sales support and supporting inbound channels like SEO and email.
Pricing
Indicative packages typically start around €1,200 to €3,000 per month depending on the mix of services selected. Request a proposal for an exact figure.
10. To500in100 Agency
To500in100 is a newer entrant offering sales outsourcing and email marketing, and its name reflects a specific growth focused positioning around rapid client acquisition targets.
The Approach
The agency runs structured outbound campaigns combined with email marketing sequences, aimed at helping growing businesses build initial outbound infrastructure quickly.
Company Snapshot
| Detail | Information |
| Founded | 2022 |
| Team Size | 2 to 9 specialists |
| Headquarters | Spain coverage |
| Client Rating | Limited public review volume available |
⭐⭐⭐
Standout Capability 1: Rapid Setup As a newer, smaller agency, onboarding and campaign launch timelines tend to be faster than larger, more process heavy competitors.
Standout Capability 2: Email Marketing Integration Outbound sales activity is paired directly with email sequences, keeping messaging consistent across channels.
Standout Capability 3: Growth Stage Focus The agency’s positioning suggests a specific focus on helping growing businesses scale outbound quickly rather than serving large enterprise accounts.
Pros and Cons
| Pros | Cons |
| Fast onboarding for smaller teams | Limited public track record given recent founding |
| Focused service scope | Smaller team may cap campaign volume |
Best Use Case
Early stage or fast growing companies that need to stand up outbound sales infrastructure quickly without a lengthy procurement process.
Pricing
Custom quotes only, with indicative starting packages likely in the €1,000 to €2,500 per month range based on comparable early stage agency offerings.
Final Recommendation
If you need one partner to own the full funnel, from list building through appointment setting, Pearl Lemon Leads is the strongest overall fit. If your gap is specifically data quality, DataCentric pairs well as a specialist add on. If phone based outbound matters most in your industry, Artemis Leads brings the deepest calling specific experience on this list. Whichever partner you choose, insist on a discovery call, a clear reporting cadence, and a documented GDPR compliant data process before signing anything.
Frequently Asked Questions
1. How does a lead generation agency integrate with our existing CRM? Most agencies work directly inside your CRM, such as HubSpot or Salesforce, syncing booked meetings and contact records automatically so nothing has to be manually re entered.
2. What compliance processes are in place for GDPR? Reputable Spanish agencies source data through consent based or public record methods and maintain documented data processing agreements available on request.
3. How is success measured and reported? Expect weekly or biweekly reporting tied to meetings booked, reply rates, and pipeline value rather than vanity metrics like emails sent.
4. Can campaigns scale up or down based on demand? Yes, most agencies structure contracts in monthly increments so headcount and volume can flex with your sales calendar.
5. How customized is the outreach messaging? Serious agencies build messaging around your specific ICP and value proposition rather than reusing generic templates across clients.
6. What is the typical timeline to see booked meetings? Most campaigns take two to four weeks to calibrate messaging before meeting volume stabilizes, with fuller results visible by month two.
7. How are leads qualified before being passed to our sales team? Agencies typically apply a qualification framework such as BANT or MEDDIC before a meeting is booked, confirming budget, authority, need, and timeline.
8. Can an agency support multiple languages within one campaign? Yes, most Spain based agencies on this list can run parallel campaigns in Spanish, English, and other EU languages for cross border expansion.
9. What happens if lead quality does not meet expectations? Reputable agencies build in a review period, typically 30 to 60 days, with the option to adjust targeting or exit the contract if performance does not improve.
10. Do these agencies work with startups as well as larger enterprises? Most do, though team size and pricing packages vary considerably, so it is worth confirming minimum contract size during the discovery call.
Book Your Discovery Call
Choosing a lead generation partner is a revenue decision, not a marketing decision. Book a discovery call today and get a clear view of what a properly resourced pipeline could look like within your next quarter.
