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We build accurate, segmented B2B contact lists that match your ICP, including validated emails, direct phone numbers, and easy CRM sync. This helps your team spend less time researching and more time doing what matters most—closing deals.
Tired of outdated contacts, slow research, and campaigns that go nowhere? Get high-quality, verified B2B list building services built to reach the right buyers and drive real results faster.
We provide fresh, verified B2B contact data from trusted sources. Every record is checked for accuracy to reduce bounce rates, wrong dials, and deliver better outreach results for your campaigns.
Lists built to match your ideal customer profile help reach the right companies. Connecting with the right decision-makers improves response rates and increases conversion opportunities consistently.
Fully segmented, buyer-ready B2B lists with verified titles improve campaign success. Every contact is relevant, strengthening outbound performance and generating higher-quality leads.
Handled professionally from list research, cleaning, and verification to save weekly hours. Sales teams focus on selling and closing deals instead of spending time hunting for contacts manually.
We use top data sources and verification tools for you. Get high-quality B2B prospect lists without needing expensive software or subscriptions.
All list-building plans are flexible. No long-term commitments. Step up or down anytime and pay only for the contact data you actually need.
Stop guessing who to contact. Our step-by-step list-building system delivers accurate, verified buyer data that helps your outreach reach the right prospects every time.
First, we identify your ideal industry, company size, roles, and buying triggers. Every contact is selected to match buyers most likely to engage.
Then, our data research team builds a list of companies that match your ICP. Filters like industry, company size, location, revenue, decision-maker role, technology stack, and buying intent ensure your outreach reaches the right prospects.
Real decision-makers at each company are identified and verified. Emails, phone numbers, and LinkedIn profiles are checked using premium tools to ensure accuracy.
We format your data, clean duplicates, and segment by role, industry, and relevance. This keeps outreach organized, personalized, and ready for use.
Finally, we deliver a verified and segmented B2B list in your preferred format. It helps your team start outreach quickly using accurate contact data.
High-quality B2B lists start with the right features. From data verification to segmentation, these capabilities help you build targeted, reliable lists that drive real outcomes.
We create each list based on your ICP, including industry, company size, roles, and geography. This ensures accurate alignment with your targeting goals and offerings.
Our experts verify decision-makers such as founders, CEOs, directors, and VPs. We provide detailed records, including contact details and active LinkedIn profiles.
Your data is verified using trusted tools like ZoomInfo, Apollo, and Seamless.AI, along with manual checks to improve accuracy and consistency.
We segment data by role, industry, and company type. This allows better targeting, personalization, and easier A/B testing across campaigns.
Lists arrive in clean, ready-to-import formats for CRMs and outreach tools, saving time and removing manual work for your team.
New B2B leads are delivered weekly or monthly based on pipeline needs, offering flexibility without long-term contracts.
Custom fields like tech stack, funding stage, location, and notes provide deeper insights that strengthen targeting and outreach strategy.
We combine AI with human researchers to verify each contact, ensuring stronger accuracy and higher-quality list-building results.
“I can’t thank the team enough for their help with appointment setting for Mortgage Recruiters. They delivered consistent, high-quality leads and made the process smooth from start to finish.”
Mortgage Recruiters
“Working with James was a fantastic experience! They brought a level of professionalism that made everything run smoothly and efficiently.”
All City Cleaner
“Awesome team to work with! Super reliable and made our janitorial appointments hassle-free. Communication? Spot on. Their attention to detail really stands out. Saved us time & kept things running smooth. Highly recommend if you need a service that delivers. They get it done!”
Inside & Out Maintenance, LLC
“Had a great experience with the lead generation & appointment setting services. The team was punctual, professional, and really knew how to target the right leads.”
PTC FINANCIAL CORP
Strong outreach starts with strong data. Our list-building services support teams that rely on clean, targeted, and ready-to-use B2B prospects.
Sales and SDR teams get verified decision-makers to book more meetings, improve outreach results, and remove manual research.
Marketing teams using outbound campaigns benefit from segmented, clean lists that improve engagement and conversion rates.
Agencies offering SaaS, consulting, or digital services benefit from targeted prospect lists that support consistent client acquisition.
Growing B2B companies receive custom-built lists that support targeted outreach and faster growth.
We make B2B list-building simple and effective. Our services provide verified contacts, accurate targeting, and flexible pricing for growing teams.
Plans are built around your industry, volume, and goals, helping you pay only for the data you need without waste.
You pay only for verified, usable contacts, ensuring budget efficiency and real outreach value for scalable, sustainable list-building campaign growth.
Discounted pricing tiers help reduce cost per contact as your list size grows, with predictable, scalable outreach budgeting control benefits.
Data is verified through premium sources, ensuring reliability and consistency across campaigns for multichannel outbound prospecting efforts' success rates overall.
Strict verification checks keep data accurate and reduce outreach risk across sales, marketing, prospecting workflows, pipelines, and revenue operations teams.
Lists are built around your ICP to reach the right companies and verified decision-makers consistently, faster, with higher intent alignment.
Verified lists are delivered quickly to keep your pipeline moving without delays and support time-sensitive outbound sales execution goals efficiently.
A dedicated support representative assists your team with guidance and ongoing help for list-building updates, optimization, troubleshooting, and campaign success.
With deep expertise in B2B data research and lead intelligence, CallingAgency helps sales teams, marketers, and agencies reach the right buyers faster. Our custom list-building approach delivers verified, decision-maker–level contact data designed to power high-performing outbound campaigns and real revenue growth.
Let’s get qualified appointments on your calendar today. Book your free consultation today and see how we generate real results, fast.
Our service includes ICP-based targeting, verified decision-makers, multi-source data checks, segmentation, CRM-ready formats, and flexible delivery.
Most clients experience over 95% accuracy due to AI-driven tools and human verification.
We use ZoomInfo, Apollo, Seamless.AI, and manual research to verify job titles, contact details, and company information.
The first batch is usually delivered within 3–5 business days, with ongoing delivery available weekly or monthly.
No minimum order is required. You can start with any volume.
Yes. Files are CRM-ready and compatible with HubSpot, Salesforce, Pipedrive, Apollo, and more.
Yes. We can include fields like tech stack, funding stage, geography, employee size, and intent signals.
We support a wide range of B2B industries, including SaaS, IT, agencies, finance, consulting, manufacturing, HR services, and more.
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