A central arrow bursts into six marketing channel nodes: phone, email, LinkedIn, web, chat and events.

B2B lead generation agency

Start more sales conversations.

We use AI to find and prioritize the right accounts. Our people make the calls, qualify interest, and book sales meetings for your team.

Explore our solutions

Trusted by global enterprise leaders

  • Google
  • Microsoft
  • AWS
  • SAP
  • LinkedIn
  • Intel

Client perspectives

Good partnerships.In their own words.

Watch clients share their experience working with Callbox as their lead generation agency.

  • Kreller Group client interview

    Risk management

    Watch their story

  • Westernacher Consulting client interview

    SAP consultancy

    Watch their story

  • B2X Global client interview

    IT distribution

    Watch their story

  • Body Vision Medical client interview

    Medical technology

    Watch their story

Explore the campaign objectives, markets, and results behind the work.

Explore the results

Solutions

Built around your growth goals.

Choose the outcome you are working toward. Our lead generation services connect the research, outreach, and follow-through.

  1. More qualified sales meetings.

    Give your sales team relevant conversations with the accounts and buyers you want to reach.

    Lead generation services & appointment setting
  2. Reach your priority accounts.

    Coordinate your message across the people and buying groups that matter to an enterprise sale.

    Account-based marketing
  3. Open your next market.

    Build an outreach plan around the right accounts, local buyer context, and language requirements.

    • Thai
    • Bahasa
    • Vietnamese
    • Mandarin
    • Filipino
    • Portuguese
    • Spanish
    Global market expansion

A lead generation agency built for complex B2B sales.

Selected campaign results

The work. The results.

Explore all case studies
  • Logistics & supply chain

    12 months

    United States

    146

    sales appointments

    Scaling up a supply chain leader’s sales pipeline.

    An AI-driven ABM lead generation and appointment-setting program for a US supply chain and logistics leader.

    Also reported: 500+ marketing-qualified leads and 500+ social media connections.

    Read the case study
  • Enterprise managed services

    4 months

    North America

    70

    sales-qualified leads

    Extending an enterprise IT sales team’s reach.

    A focused program for an enterprise managed-services provider pursuing relevant North American accounts.

    Also reported: 140 marketing-qualified leads.

    Read the case study
  • Office & workplace solutions

    3 months

    United States

    57

    sales appointments

    A clearer approach to a crowded market.

    Lead generation services for a US office-solutions business, from account profiling to coordinated outreach and follow-up.

    Also reported: 41 marketing-qualified leads and 382 social media connections.

    Read the case study

Results reported in Callbox's published case studies. Each reflects a specific campaign, not a forecast for your program.

How the work comes together

AI supports the work. Our people make the connection.

As a managed lead generation agency, we connect intelligence, outreach, and human judgment around your sales objective. You get a team to run the work and a clear view of the campaign.

Meet your kind of people
The Callbox team posing together on a yellow sofa in a bright office overlooking the city
The people behind the workCallbox team
  1. 01 / Intelligence

    Find the right accounts.

    AI supports research and prioritization. Our team checks relevance and shapes the targeting and message.

    Data + human judgment

  2. 02 / Coordination

    Connect the outreach.

    Bring email, LinkedIn, and phone into a coordinated campaign. Smart Engage supports campaign activity and reporting.

    Team + Smart Engage

  3. 03 / Conversation

    Listen. Qualify. Follow through.

    Real people make the calls, respond to questions, understand interest, and coordinate the next conversation.

    Human SDRs

  4. 04 / Progress

    Hand over context. Learn together.

    Your team takes the sales conversation forward. Campaign reviews and your feedback inform the next round of outreach.

    Callbox + your sales team

Your CRM remains your sales source of truth. Agree the handoff and reporting workflow with your team. Your salespeople own the opportunity and the close.

What makes a meeting qualified?
Four Callbox colleagues gathered around a laptop in a bright office with the Medell\u00edn skyline behind them

People on the ground. A connected approach.

Callbox team

Your market and your next one

Go global. Keep it human.

A new market takes more than a translated message. Account selection, business context, language, and follow-through need to work together.

Explore the regions where Callbox delivers lead generation services, then talk with our team about the coverage your campaign needs.

North America

Build a focused account plan for buyers in the United States and Canada, with coordinated sales outreach.

Explore North America

Discuss multilingual campaign support

Recognition and reviews

What clients post when we're not in the room.

Clients rate us on Google, Clutch and G2, and independent directories have named Callbox a top lead generation company.

Open any profile to read the reviews, then judge the work for yourself.

Quality starts with alignment

A meeting should fit your sales motion.

Before any lead generation campaign begins, align on what makes a conversation useful to your sales team. Discuss these four questions when you scope the work.

  1. 01

    Does the account fit?

    Industry, company profile, geography, and the accounts you want to include or exclude.

  2. 02

    Is this the right contact?

    The person’s role and relevance to the buying conversation.

  3. 03

    Is there a reason to talk?

    A business need, expressed interest, or a clear purpose for the next conversation.

  4. 04

    Is the handoff useful?

    The context, participants, and agreed next step your sales team needs.

Make the economics work

Start with the sale you want to create.

Your target market, sales cycle, customer value, and follow-up capacity should shape the campaign. We'll discuss the scope and support that make sense for your business.

Ideas & resources

Ideas for your next move.

Explore the work, the people, and the practical questions behind working with a B2B lead generation agency.

  • Campaign evidence

    Find a story like yours.

    Compare case studies by industry and campaign objective.

    Explore case studies
  • Ideas & practice

    Plan your next campaign.

    Read Callbox’s perspectives on B2B marketing and sales development.

    Read the insights
  • People & expertise

    Meet the people behind it.

    Meet the Callbox people who bring experience and judgment to campaigns.

    Meet the team

Good questions, clear answers

Before we get started.

Still have a question? Talk to a Callbox team member.

What does Callbox do?

Callbox is a B2B lead generation agency. Our lead generation services combine account research, coordinated outreach, and human conversations to help businesses engage target buyers and create qualified sales meetings.

Is Callbox a managed service or an AI tool?

Callbox provides managed lead generation services supported by technology, including Smart Engage. AI supports account research, prioritization, and personalization. Our people plan and manage campaigns, make the calls, qualify interest, and follow through.

What counts as a qualified sales meeting?

Qualification should be agreed for the campaign. Discuss account fit, contact relevance, the reason for the conversation, and handoff context with your Callbox team. A booked appointment, a held meeting, and a sales opportunity are different outcomes and should be measured separately.

Can Callbox help us enter a new market?

Yes. Callbox offers cross-border and multilingual campaign support. The plan depends on your target countries, buyers, language needs, and available campaign coverage. Explore cross-border marketing or discuss a Global GTM Assessment with our team.

Do you work with companies outside technology?

Yes. Callbox works with B2B companies across technology and other sectors, including healthcare, manufacturing, logistics, and workplace solutions. The right fit depends on your target buyers, offer, and sales process.

What determines the cost of lead generation services?

The scope depends on your target market, account coverage, channels, language requirements, and level of support. Start with the commercial goal and discuss the work, milestones, and terms needed to pursue it.

How will our sales team work with Callbox?

Agree your target accounts, qualification criteria, handoff process, and reporting needs at the start. Your sales team takes the opportunity forward and shares feedback. Your CRM remains the place to manage your deals and revenue.

Your next chapter starts here

Let's put your next move in motion.

Start with the growth goal. As your lead generation agency, we'll talk through the campaign it calls for. Tell us who you want to reach and what a useful sales conversation looks like for your team.