WebFX finds that companies prioritize lead generation to increase revenue. However, many businesses find it challenging to find the best leads and convert some of them. Although lead generation can be done in-house by your sales and marketing teams, you can outsource lead generation to reputable agencies to help you reach out to more leads. And if you’re looking for the best lead generation agency to partner with, here’s our list of the top picks!
1. Pearl Lemon Leads
Do you want to see an agency work its magic before you say yes to them? Pearl Lemon Leads allows you to book a demo where you’ll see them in action on how they book appointments for clients. The agency has a comprehensive list of services to help your business acquire leads:
- Appointment setting
- LinkedIn Lead Generation
- Demand Generation
- Telemarketing
- Account Based Marketing
- Marketing Automation
- Podcast Outreach
- Call Center Outsourcing
- Cold Calling
- Business Development
- Sales Enablement
The UK-based agency will ensure you reach your goals and optimize your marketing for better results. It has booked meetings with Twitter and the Olympics. Plus, Fresh, Subtle Square, and Founders Factory have been their clients.
2. Cleverly
Here’s another lead agency to consider if you want to get thousands of leads for your business. Cleverly is a data-driven agency that sends customized messages to your leads. The B2B agency’s specialty is connecting you with leads from LinkedIn. Its services include:
- LinkedIn Lead Generation
- Cold Email Lead Generation
- LinkedIn Paid Advertising
- LinkedIn Content Service
- LinkedIn Recruiting
- White-Label Lead Generation
Each service has a specialized pricing plan, allowing you to choose which plan fits the best. However, you can contact them for a free consultation. Bambee, Leaselock, and Apex Capital Landing are among its many clients.
Pricing:
- LinkedIn Lead Generation - from $397/mo
- Cold Email Lead Generation - Pay-Per-Meeting-Ready-Lead
- LinkedIn Ads Marketing - from $999/mo
- LinkedIn Content Service - $997/mo
- LinkedIn Recruiting - $397/mo
- White-Label Lead Generation - $397/mo
3. Leadium
Leadium makes things simple for clients when it comes to services. You can work with them for its lead generation and appointment setting services. The agency invests in researchers to find lead generation data and contact these leads. It ensures that your data is secure and validated by quality assurance teams. Plus, the agency curates data based on high-quality conversations. Aside from its lead generation services, you can rely on them for appointment setting. It has a dedicated strategy to ensure you get more prospects and deals in a few calls!
Codecademy, Microsoft, and Minted are some of its top clients. And to be part of its client base, you can book a consultation with them!
4. Callbox
Here’s a lead generation agency that can help you reach out to leads worldwide due to its global presence. Callbox has 20 years of lead generation expertise under its belt, and it has six offices worldwide. The agency leverages AI and outsourcing to help you reach your sales and marketing goals. Its primary services are:
- B2B Lead Generation
- Account-based Marketing
- Event Marketing Services
- Webinar and Virtual Event Marketing
- Cross-border Marketing
Additionally, the agency has partnered with over 15,000 clients worldwide.
You can request the pricing for its service list.
HP, Acer, and Zendesk are some of its many top clients!
5. Belkins
If you want to work with a lead generation agency that sets appointments and does cold calls and emails, Belkins should be one of your top choices. However, you can expect the agency to work on LinkedIn-related lead generation strategies, demand generation, and account-based marketing. The agency works with companies in the following industries:
- Agencies
- Construction
- Consulting
- Financial services
- Healthcare
- Informational technology
- Logistics
- Manufacturing
- Media production
- Recruitment and staffing
- SaaS
- Telecommunication
Expect them to book hundreds of appointments and close more than 10+ deals! You can get a quote depending on how many yearly appointments you’ll need. Sekisui, Deepdyve, and SimplyNUC are its top clients.
6. Intelligent Demand
Intelligent Demand is a revenue-growth agency. This is the ideal agency for businesses that prefer outsourcing their marketing to an agency. Its framework consists of:
- Go-to market alignment
- Integrated growth plays
- Expert capabilities
It’s a full-service marketing agency, so expect that you can grow in multiple areas of your business rather than just in the lead generation branch. Its lead generation services are:
- Account-based marketing
- Demand generation
- Sales development
The agency worked with Kaiser Permanente, Cheetah Digital, and DDI. You can contact them to get a quote.
7. Overdrive Interactive
Get your marketing into high gear with Overdrive Interactive. The agency is results-driven and will do whatever it takes to reach your goals. Its approach is keeping your sales funnel full but ensures to retain quality leads to attain sales objectives. Its lead generation strategies work well with other marketing strategies like:
- Social media marketing
- Account-based marketing
- Landing page development and testing
- Search engine optimization
- Retargeting and programmatic display
Additionally, the agency follows a robust infrastructure to ensure that you acquire your desired leads. Dell, IBM, and Samsonite are some of its partners.
8. WebiMax
Do you want to work with an agency that has affordable plans to generate more leads? WebiMax is one of the top lead generation agencies to partner with in 2025. It has comprehensive lead generation services to ensure you acquire leads in various platforms. You can get leads from the following:
- Digital ads
- Social media ads
- Landing pages
- Calls
Aside from this, here’s what else to expect when working with them:
- Real-time CRM integration
- Conversation rate optimization
- Lead nurturing via email and text
- 24/7 Dashboard report
- Dedicated expert
The agency has been featured on NBC, CNN, and Bloomberg.
Pricing:
- Launch - $1,500/mo ($0 to $9,999 monthly ad spend)
- Accelerator - 12% of monthly ad spend ($10,000 to $19,999 monthly ad spend)
- Growth - as low as 5% of monthly ad spend ($20,000+ monthly ad spend)
9. SalesRoads
The final lead generation agency on our list is SalesRoads. The firm has four solutions:
- Appointment setting
- Lead generation
- Sales intent data
- Account-based marketing data
Additionally, you can hire them for these services:
- Outbound email
- Outbound calling
- List building
The agency follows a tried-and-tested methodology that booked over 100,000 appointments and got millions in revenue. Protecht, Snappet, and CSC are some of its customers.
Pricing:
- Smart Email Appointment Setting - from $5,500 (4 weeks)
- Full SDR Appointment Setting - from $9,500 (4 weeks)
- Opportunity IQ Lead Generation - from $9,500 (4 weeks)
