Top 12 B2B Demand Generation Agencies for 2026

What are B2B demand generation services?

B2B demand generation services help you find buyers, get their attention, and turn them into pipeline. This means combining technology that gives you data and automation with agencies that run campaigns for you.

Most companies struggle with two problems. First, they don't know which accounts are actually in-market right now. Second, they waste time on prospects who aren't ready to buy. Demand generation services fix both by showing you who's researching solutions and giving you ways to reach them.

These services work across your entire buyer journey:

• Account-based marketing: You focus resources on specific high-value accounts instead of broad campaigns

• Intent data monitoring: You see which companies are actively searching for solutions like yours based on their web activity

• Content and SEO: You create articles and resources that show up when prospects search for answers

• Paid advertising: You run targeted ads on LinkedIn, Google, and other channels where your buyers spend time

• Sales outreach: You contact prospects through email, phone calls, and social media

• Lead nurturing: You use automated workflows to move prospects closer to a sales conversation

The difference between demand generation and lead generation comes down to timing. You're not just gathering contact information. You're identifying accounts that are ready to buy and engaging them at the right moment.

Best B2B demand generation services

Here's how the top services compare:

1. ZoomInfo

ZoomInfo gives you the data and automation to run demand generation campaigns from target selection through conversion. The platform includes over 100 million company profiles and 500 million business contacts, plus intent signals that show which accounts are researching solutions right now.

ZoomInfo Marketing connects directly to Salesforce, HubSpot, Marketo, and other CRM platforms. This means account data stays current and workflows trigger automatically based on buyer behavior. GTM Workspace brings everything into one interface where Copilot surfaces which accounts to prioritize and what actions to take next.

Over 35,000 companies use ZoomInfo to accelerate pipeline. The platform maintains GDPR, CCPA, and SOC 2 Type II compliance. Gartner and Forrester include ZoomInfo in their evaluations of sales intelligence and ABM platforms.

Key Features:

• Intent monitoring across web activity, technology changes, and funding events to spot in-market accounts

• Automated scoring that ranks prospects by fit and engagement

• Multi-channel orchestration that coordinates email, phone, and advertising in one workflow

• CRM integration that updates contact records and triggers actions based on signals

• Audience building for LinkedIn and programmatic advertising campaigns

• Conversation intelligence that analyzes sales calls to find messaging that works

• Data enrichment that fills gaps in your existing CRM records

Learn More About ZoomInfo

2. INFUSE

INFUSE builds and runs multi-channel campaigns for B2B companies. The agency combines its own data with content syndication, email marketing, and event programs to generate qualified leads across your entire funnel.

The service includes campaign strategy, creative development, audience targeting, and ongoing optimization. INFUSE maintains relationships with publisher networks and data providers to extend your reach beyond owned channels. You get dedicated account management and regular reporting on how campaigns contribute to pipeline.

INFUSE serves clients in technology, financial services, and healthcare with global reach. The agency can execute campaigns in multiple languages and regions. You can engage through project-based work or ongoing retainers.

Key Features:

• Content syndication through publisher networks

• Email campaigns with list acquisition and deployment

• Webinar and virtual event management

• Account-based programs with personalized content

• Lead qualification and appointment setting

• Multi-touch attribution connecting campaigns to pipeline

• Global execution across North America, EMEA, and APAC

3. Refine Labs

Refine Labs runs paid media campaigns for B2B SaaS companies that want to modernize their growth approach. The agency focuses on building brand awareness with target accounts rather than traditional lead capture tactics.

The methodology centers on running campaigns across LinkedIn, Google, and other channels to create awareness. Refine Labs then tracks how this awareness influences pipeline through attribution modeling. You get hands-on campaign management including creative development, audience targeting, and budget optimization.

Refine Labs works primarily with mid-market and enterprise SaaS companies with annual recurring revenue of $50M+. The approach requires commitment to testing as campaigns optimize over time. Engagements run through monthly retainers covering strategy, execution, and analysis.

Key Features:

• LinkedIn advertising focused on account engagement

• Google Ads targeting high-intent searches

• Creative development for paid social and display

• Attribution modeling connecting ad exposure to pipeline

• Audience research based on ideal customer profiles

• Budget allocation across channels

• Monthly performance reviews with pipeline impact

4. Belkins

Belkins books qualified meetings for B2B companies through targeted outbound prospecting. The agency builds custom campaigns using email, LinkedIn, and phone to reach decision-makers at your target accounts.

The process starts with defining your ideal customer profile and building prospect lists. Belkins creates personalized messaging and runs multi-touch sequences across channels. The team handles objection responses and qualification before passing opportunities to your sales team. All outreach uses your email domains and branding.

Belkins serves companies in technology, professional services, and manufacturing. Engagements structure around monthly retainers starting at $5,000 per month, with various service tiers available. Programs run for minimum three-month commitments to allow for optimization.

Key Features:

• Multi-channel outreach combining email, LinkedIn, and phone

• Prospect list building based on your ideal customer profile

• Personalized messaging for each target segment

• Appointment setting with direct calendar scheduling

• CRM integration for activity tracking

• A/B testing of messages and sequences

• Weekly performance reporting

5. 6sense

6sense uses artificial intelligence to identify accounts showing buying intent before they contact you. The platform analyzes anonymous web activity, content consumption, and other signals to score accounts by their likelihood to purchase.

The system reveals which companies are researching solutions even when they haven't filled out forms. 6sense tracks buying stage progression and tells you which accounts sales should prioritize. Integration with CRM and marketing automation platforms triggers workflows based on account behavior.

6sense targets enterprise B2B companies with complex sales cycles. The platform requires significant implementation effort and works for organizations with mature ABM programs. Pricing follows a freemium model with a free tier providing basic sales intelligence capabilities, plus usage-based data credits for paid plans.

Key Features:

• Predictive analytics scoring accounts by intent signals

• Anonymous visitor identification revealing researching companies

• Buying stage tracking showing journey position

• Advertising orchestration across display, social, and programmatic

• Email campaigns with account-based personalization

• Sales intelligence prioritizing accounts for outreach

• Integration with Salesforce, Marketo, Eloqua, and other enterprise platforms

6. Demandbase

Demandbase combines account intelligence with advertising and orchestration in one ABM platform. The system identifies target accounts, tracks engagement across channels, and coordinates marketing and sales activities.

The platform includes a data foundation that enriches CRM records with firmographic, technographic, and intent data. Demandbase uses this to build advertising audiences, personalize website experiences, and trigger sales alerts. You get account-level reporting showing engagement trends and buying signals.

Demandbase serves mid-market and enterprise B2B companies across industries. The platform acquired Engagio and InsideView to expand orchestration and data capabilities. Implementation typically requires several months and ongoing management from marketing operations teams.

Key Features:

• Account identification and segmentation by fit and intent

• Advertising platform for display, social, and programmatic

• Website personalization adapting content by visitor account

• Intent data monitoring across web activity

• Sales alerts when target accounts show buying signals

• Account-based analytics on engagement and pipeline

• Integration with major CRM and marketing automation systems

7. SalesRoads

SalesRoads operates as an outsourced sales development agency specializing in cold calling. The agency builds dedicated SDR teams that make outbound calls on your behalf.

The model includes recruiting, training, and managing SDR teams that work as extensions of your sales organization. SalesRoads provides infrastructure, management, and quality assurance while you supply target lists and messaging guidance. Teams make hundreds of calls daily to reach decision-makers.

SalesRoads serves B2B companies in technology, healthcare, and business services. Pricing follows fixed packages at $9,950 per 4-week period with no minimum commitments. You receive regular reporting on call activity, conversations, and meetings booked.

Key Features:

• Dedicated SDR teams making outbound cold calls

• Prospect research and list building

• Call scripting and messaging development

• Meeting qualification and scheduling

• CRM integration and activity logging

• Quality assurance and call monitoring

• Performance reporting on calls, conversations, and pipeline

8. Ironpaper

Ironpaper provides ABM strategy and execution for B2B companies with complex, long-cycle sales. The agency combines account research, content development, and multi-channel campaigns to engage buying committees at target accounts.

Services include ideal customer profile development, account selection, personalized content creation, and campaign execution across email, advertising, and direct mail. Ironpaper also handles website optimization and conversion rate improvement. The team works closely with your sales organization to align on account priorities.

Ironpaper focuses on technology, manufacturing, and professional services companies selling to enterprise buyers. Engagements start with strategy development followed by ongoing campaign management. Pricing structures around monthly retainers based on program scope.

Key Features:

• Account-based strategy development

• Buying committee research and persona development

• Personalized content creation for target accounts

• Multi-channel campaigns including email, ads, and direct mail

• Website optimization and conversion improvement

• Sales and marketing alignment workshops

• Pipeline reporting and account progression tracking

9. First Page Sage

First Page Sage specializes in SEO-driven demand generation. The agency creates thought leadership content optimized for search to attract prospects during their research phase.

The approach includes keyword research, content strategy development, and ongoing content creation. First Page Sage also handles technical SEO optimization and link building to improve search rankings. Success measures focus on organic traffic growth and lead generation from content.

First Page Sage works with B2B technology and professional services companies building long-term organic visibility. SEO programs require several months to show results as content gains rankings. Engagements run as monthly retainers covering strategy, content production, and optimization.

Key Features:

• SEO strategy and keyword research focused on buyer intent

• Thought leadership content including articles and guides

• Technical SEO optimization and site architecture

• Link building and digital PR

• Content distribution strategies

• Conversion optimization for organic traffic

• Analytics on organic traffic and lead generation

10. Martal Group

Martal Group provides outsourced sales and lead generation for B2B technology companies. The agency combines outbound prospecting with inbound lead follow-up to generate qualified opportunities.

The service model includes building prospect lists, executing multi-channel outreach, and qualifying leads before passing them to your sales team. Martal Group uses email, phone, and LinkedIn to reach decision-makers. You get regular reporting on outreach activity and pipeline contribution.

Martal Group serves organizations ranging from startups to Fortune 500 companies across industries including technology, healthcare, fintech, and manufacturing. The agency offers flexible engagement models including project-based campaigns and ongoing retainers. Programs run for minimum three-month periods.

Key Features:

• Multi-channel prospecting across email, phone, and LinkedIn

• Prospect list building and account research

• Lead qualification and opportunity development

• Appointment setting with calendar integration

• CRM integration and activity tracking

• Messaging development and A/B testing

• Weekly reporting on outreach metrics and pipeline

How to choose B2B demand generation services

Start by deciding whether you need technology to power internal campaigns or an agency to execute programs for you. Platforms give you data and automation but require internal resources to run campaigns. Agencies handle execution but may limit your control over strategy. Many companies use both by pairing a data platform with agency support for specific channels.

Data quality and intent signals

Bad data kills campaigns before they start. Bounced emails, wrong phone numbers, and irrelevant intent signals waste your budget and your sales team's time.

Ask providers how they verify contact information and how often they refresh it. Request sample data for your target accounts to check coverage and accuracy. Understand how they collect intent signals and whether those signals actually correlate with purchase behavior. Make sure they offer custom intent topics relevant to your specific solution.

Channel and campaign expertise

Different services excel in different channels based on their team skills and technology. A provider strong in paid advertising may lack depth in cold calling. An agency focused on content syndication may not have infrastructure for large-scale email campaigns.

Match provider strengths to your priority channels based on where your buyers spend time. Review case studies from companies in your industry with similar sales cycles. Ask about team structure and whether you'll work with specialists or generalists. Understand their approach to testing and optimization within each channel.

Integration with your tech stack

Demand generation services must connect with your CRM and marketing automation platforms. Poor integration creates manual work, data gaps, and attribution problems that make ROI measurement impossible.

Verify native integrations with your specific CRM and marketing automation versions. Understand data sync frequency and whether it happens in real-time or batches. Ask about custom integration options if you use less common platforms. Find out how the service handles data conflicts and duplicate records.

Pricing and engagement models

Platforms typically charge annual subscriptions based on database size or user count. Agencies may use monthly retainers, project fees, or performance-based pricing tied to meetings or pipeline generated.

Understand what's included in base pricing versus additional fees for implementation or support. Ask about minimum contract terms and whether pricing increases over time. Evaluate whether performance-based pricing aligns incentives or creates quality problems. Factor in internal resource costs for platform management or agency coordination.

Start building pipeline with ZoomInfo

Choosing the right demand generation service comes down to matching capabilities to your pipeline challenges. You need to evaluate data quality, channel expertise, integration requirements, and pricing against your team's bandwidth and budget.

Key decision factors:

• Whether you need technology to power internal campaigns or agency execution

• Which channels your target buyers use during research

• How the service integrates with your existing CRM and marketing automation

• Whether pricing aligns with your budget and expected pipeline contribution

ZoomInfo provides the data foundation and automation that power effective demand generation programs. The platform identifies which accounts are in-market, provides accurate contact information for decision-makers, and orchestrates outreach across channels. Teams use ZoomInfo to reduce prospecting time while improving conversion through better targeting.

Talk to someone to learn more about how ZoomInfo can help you.

Frequently asked questions

What's the difference between demand generation platforms and lead generation tools?

Demand generation platforms create awareness and interest across your full buyer journey while lead generation tools focus specifically on capturing contact information from interested prospects. Demand generation includes brand-building activities that may not immediately produce leads but influence future purchase decisions.

How much should you budget for B2B demand generation services?

Platform subscriptions typically start in the low five figures annually while agency retainers range from several thousand to tens of thousands monthly depending on program complexity and team size. Budget based on your average deal size and how many opportunities you need to hit revenue targets.

Should you outsource demand generation or build an in-house team?

Outsourcing accelerates time-to-pipeline and provides specialized expertise while building in-house creates institutional knowledge and long-term cost efficiency. Most companies use a hybrid approach combining internal strategy with external execution support for specific channels or campaigns.

Which metrics matter most for measuring demand generation performance?

Focus on pipeline generated, marketing-qualified leads, sales-qualified leads, cost per opportunity, and pipeline velocity. Track attribution to specific campaigns and channels to understand which activities drive the most valuable outcomes rather than vanity metrics like impressions or clicks.

How long before you see pipeline from demand generation services?

Paid media and outbound prospecting can generate pipeline within weeks while SEO and content marketing require months to build momentum. Set expectations based on your average deal cycle and the channels you're using rather than expecting immediate results from all activities.

Can you use multiple demand generation services at the same time?

Yes. Many companies combine a data platform with agency execution or use different agencies for specific channels. The key is maintaining data flow between systems to preserve attribution and avoid duplicate outreach to the same prospects.