The 25 Best Lead Generation Companies Around the World

If your business is in North America, particularly the United States, you won’t find a better lead generation agency than WebFX — and we’re not saying that for our own benefit. We have the stats to back it up.

In the last several years alone, WebFX has generated over 24 million leads and $6 billion in revenue for our clients. Given those numbers, it’s no surprise that those same clients have left us over 1,100 glowing testimonials.

When you partner with WebFX, you’ll gain access to the same top-tier service as those companies. We know lead generation inside and out, and we can use a variety of strategies to help generate leads for your company, from paid advertising to social media marketing.

By the way — if you aren’t from North America and still want to work with WebFX, we also have international offices in locations like Guatemala and South Africa!

For businesses in South America, one of the best lead generation companies to partner with is Sherlock Communications. Sherlock has a 5-star rating on Clutch that testifies to their clients’ love for them and their services.

On top of their excellent reviews, Sherlock has numerous awards, including the SABRE Latin America award for company of the year. They can help your company generate leads via multiple strategies, including search engine optimization (SEO) and paid advertising.

If your company is based in Western Europe, Pearl Lemon is the best lead generation company for you. Headquartered in London, England, Pearl Lemon is another agency with multiple awards for their top-tier lead generation services. They also maintain a 4.8-star rating on Clutch.

One of Pearl Lemon’s strongest aspects is that they’re transparent and communicative. They make a conscious effort to keep you in the loop about everything they’re doing, which their online reviews seem to support.

Pearl Lemon can help you generate leads by way of SEO, paid advertising, web design, and more.

If you’re based in Eastern Europe, Pearl Lemon might be a bit farther away than you’d like. In that case, no worries. There are several options available in Eastern Europe, the best of which is Out2Bound, a company recently acquired by MarketStar.

Based in Bulgaria, Out2Bound takes a direct marketing approach, helping you target specific business-to-business (B2B) prospects and turn them into leads. Out2Bound mostly works with technology companies. With outstanding reviews on Clutch, it maintains a solid 5-star rating.

If you have any doubts about Out2Bound’s lead generation capabilities, look at what one reviewer said on Clutch: “As a result of this cooperation, [we] saw a significant increase in leads — in fact, Out2Bound generated more leads in shorter periods than [our] internal sales team.”

B&E Design Firm is a digital marketing company based in South Africa. They offer lead generation services that include SEO, paid advertising, and social media marketing, among other strategies.

B&E works specifically with small businesses — businesses that have left them an overall 5-star rating on Clutch. B&E also knows how to stay on the cutting edge of the digital marketing industry, keeping up with the latest trends to generate more leads.

Reviews indicate that B&E drives significant amounts of leads with maximum efficiency, and they do it with friendliness and humor. B&E’s clients use words like “practical” and “patient” to describe the company.

If you’re based in South Asia, arguably the best lead generation agency for you is Conversion Perk. Conversion Perk is based in India, and like many others on this list, it maintains a 5-star Clutch rating.

For Conversion Perk, it’s all about expertise. They pride themselves on their experience with SEO and paid advertising and ensure that only specialized marketers work on your lead generation campaigns. For example, if you want to generate leads through Google Ads, only a Google Ads specialist will work on your campaign.

On Clutch, reviewers highlight Conversion Perk’s “effective communication skills” and “keen understanding and expertise.” With praise like that, you can be sure that you’ll be satisfied working with Conversion Perk.

If your business is based in East Asia, AJ Marketing might be the perfect lead generation company for you. They specialize in a broad range of lead generation strategies, including:

• SEO
• Paid advertising
• Social media marketing
• Content marketing
• Video production
• And more!

AJ Marketing works with businesses of various sizes, though their primary focus is on midmarket companies. They hold a 5-star Clutch rating, with their reviewers noting their ability to successfully reach a huge audience online and draw in a significant number of leads.

The next company on this list is Illicium, the perfect lead generation company for anyone based in Australia. Illicium has a 5-star Clutch rating and focuses heavily on small businesses rather than large enterprises.

Reviewers note Illicium’s stellar communication, always keeping their clients updated and conveying things in a clear and easily understandable way. They also refer to Illicium’s persistence and willingness to learn new tools to accommodate and assist their clients.

Cience Technologies is a top lead generation firm for B2B companies. They have an in-house platform that helps companies across various industries find and target leads from all over. Their platform includes the following features to help find and nurture leads:

• Data intelligence
• Analytics
• Artificial intelligence (AI)
• Engagement

They have a 4.4 Clutch rating for over 130 reviews, and the most notable comment about their services is their “commitment to providing the best service possible.” If you want a company dedicated to getting it right, you can look to Cience Technologies.

Belkins, another Denver-based agency, is a great resource for companies of all size. They focus on return on investment (ROI) with their lead generation to help you get back everything you invest in their services (and more).

Their main service is appointment setting for lead generation, which helps you book appointments with high lead-to-deal potential. This service can help companies nail down the most likely purchasers in a few steps.

Most of their reviews point to their appointment services and note how proficient they are at lead generation for all industries and needs.

Martal Group has an international sales team that focuses on lead generation for B2B companies. Their primary selling point is their ability to integrate with your company and provide quality service across 50+ verticals.

They handle any aspect of the lead generation process you need, from finding your ideal target audience to onboarding new clients for you. They use a proprietary workflow to create prospect lists and reach out to likely purchasers.

With a 4.8-star review on Clutch, their reviews note their professionalism and attention to detail across the board.

Lead Gen Dept. names themselves as the “#1 Lead Generation Agency in the UK.” They begin the conversation with companies you want to do business with, and they are the ones who get the ball rolling on sales.

Their outbound campaigns include LinkedIn, email, and calls, all to target B2B companies on your behalf. They have multiple long-term clients and a five-star rating, so companies in the UK can look to Lead Gen Dept. for great results.

SalesSource is our first Amsterdam-based lead generation company with glowing client reviews. This company offers multiple lead generation and marketing services for companies local to and outside of Amsterdam.

Their method involves a basic three-step plan — strategy, systems, and scaling — which they adjust to fit your needs and goals. This approach makes it easy to evaluate your company, look for the most efficient lead generation methods, and start growing your client base.

In addition to their three-step plan, they lean heavily into the buyer’s journey to help companies understand their target audience and what pain points are preventing sales. According to their reviews, they are quick, efficient, and patient with all their clients.

Moving along, next on our list is Respect.Studio. This B2B lead generation and marketing agency thrives at building connections for their clients. Some of their services related to lead generation include:

• Content marketing for leads
• Competitor analysis
• Unique selling proposition (USP) assessment

Respect.Studio incorporates modern lead generation techniques that help you close more sales while creating lasting relationships.

Virtual Sales Limited (VSL) are the experts in B2B IT telemarketing and lead generation. They are based in Horsham, but they operate all over the UK, U.S., and Europe.

Their approach includes long- and short-term plans that let you feel out their services without being locked into a contract. They have several high-caliber clients, including Microsoft and Safari, that show their capabilities.

VSL is an excellent choice for companies who want to focus on closing sales from qualified leads, rather than seeking them out. One of their client reviews states that they would “recommend them without hesitation,” which is as good as it gets!

Pexly is a unique lead generation company — their focus is customer service, but they also provide helpful lead generation services for their clients. That means that you get help finding new leads as well as assistance in maintaining the relationship.

With or without their customer service, you can expect quality communication and adaptable plans. They work closely with clients to create the ideal plan for finding and retaining satisfied leads.

This company mainly works with midmarket businesses, but they also deal with small businesses and some large enterprises.

BPO Hive LLC handles everything from telemarketing to sales outsources and beyond. They are a phone-based company in Egypt with agents for any service and need you have. Their main services are:

• Customer service
• Appointment setting
• Telemarketing
• Sales agents

If you’re looking for a unique plan for your customer service and lead generation, BPO Hive LLC might be the right choice for you. They also have a particular focus in real estate, if applicable.

Dalerio Consulting offers an all-in-one approach to lead generation that is custom to your needs. They handle everything from web design to outreach marketing to help you find new clients and keep them satisfied.

Some of their past work includes helping a gaming company develop a live chat for customers and establish a Trello board for workflows. Their reviews describe them as “professional” and “quick.”

If you want a combination of lead generation and customer service, Dalerio Consulting could be the right fit!

Valoris Center works with both B2B and business-to-consumer (B2C) companies for lead generation and growth. They offer multilingual, 24/7 channels for outreach and communication, making them a great choice regardless of time zone.

Their services include the following:

• Call center
• Sales outsourcing
• Sales support
• And more

If you’re looking for a more comprehensive outreach solution for multiple locations, Valoris Center is an excellent option.

Loop Contact Solutions is another call center company with glowing reviews from their customers. They can help you handle your customer service with professional agents, and they also encourage upselling and lead outreach.

They handle lead outreach with different formats, such as phone calls, emails, live chat, social DMs, and SMS tickets. They learn about your business in detail to give every lead a seamless experience with your company.

Again, if you’re looking for a call-center solution, Loop Contact Solutions is a solid choice.

SummitNext handles lead generation through their proprietary customer relationship management (CRM) software. They also use call center and outreach services to find, nurture, and convert leads for their clients.

They offer a range of consulting services to help their clients with strategy and operation. Their top lead generation review states: “Their integrity, integration, and innovation were impressive.”

SummitNext is a great partner for companies looking to grow their client base without being locked into one approach.

Funel.io describes itself as “the bridge between your business and your potential clients.” This company aims to connect you with those most likely to purchase from your company. They handle the early stages of the sales process to save your team time and energy.

They aim to:

• Connect with clients on data points to target the right audience
• Set up quality appointments with interested users
• Save you time, money, and effort on generating leads

Funel.io has a 5-star rating on Clutch with over 35 glowing reviews, all of which point to them as a great lead generation partner.

Operatix specializes in sales outsourcing and B2B lead generation for companies across multiple industries. They work with you to strengthen your sales pipeline and look for points of friction. They offer multiple services outside of lead generation, including:

• Outbound sales development
• Inbound lead qualification
• Channel acceleration services
• Marketing acceleration services
• Sales recruitment

Any of these services can help you get the most out of your sales funnel and grow your company.

If you want an experienced, global lead generation company, look no further than Callbox. They’ve been helping companies with lead generation services since 2004, and since then they’ve only grown their capabilities.

Callbox handles everything from gathering customer data to implementing new workflows and setting appointments. They connect with your decisionmakers through one-on-one meetings to make sure you get a personalized plan.

With over 10,000 campaigns under their belt, you can count on Callbox to give you the results you want.

Rounding out our list of the top lead generation firms is SalesNash, a Canadian lead generation and marketing company. Like many other companies on this list, they offer a range of services to help you get more from lead generation:

• Prospecting
• Appointment setting
• Virtual assistant
• Sales Development
• Inbound Marketing

They focus mainly on B2B companies who want to contact other businesses. You can get started with SalesNash through a 30-minute consultation and see what they can do for you.