Creating demand for your B2B solution isn't just about generating leads anymore. It's about building genuine buyer interest, nurturing prospects through complex decision-making processes, and ultimately driving predictable pipeline growth that converts to revenue.
As modern buyers become increasingly self-directed in their research and purchasing decisions, the agencies that truly understand this shift and can demonstrate real business results are the ones worth partnering with. That's why we've curated this list of the top 10 B2B demand generation agencies based on one crucial factor: proven ability to drive measurable business outcomes.
These agencies don't just talk about MQLs and traffic increases. They deliver qualified pipeline, improved conversion rates, and genuine revenue growth for their clients.
The best B2B demand generation agencies
Every agency on this list has been carefully selected based on their demonstrated ability to deliver exceptional results for B2B clients. We've focused exclusively on agencies that prove their strategies drive measurable business outcomes rather than vanity metrics.
We've evaluated their portfolios not just for creative appeal, but for concrete business results like pipeline growth, conversion rate improvements, and ROI increases. Each agency showcases strong case studies with real client names and specific results.
Most importantly, they can demonstrate how their strategic approach translates into demand generation that actively drives business growth.
1. Blend (UK & USA)

We don't take our position at the top of this list lightly. At Blend, we show proven results in B2B demand generation, helping companies build predictable revenue through strategic demand generation that creates, captures, and converts buyers.
What sets us apart is our website-first approach. Many companies make the costly mistake of investing heavily in demand generation only to send prospects to websites that convert poorly. We always begin by ensuring your website is fit for purpose, optimised for conversions, user experience, and search engines.
Our approach is built around inbound demand generation, a methodology that aligns with how modern B2B buyers actually research and purchase solutions. We support buyer preferences for self-discovery and self-education, creating experiences that build trust throughout their journey rather than interrupting them with pushy sales tactics.
Our proven demand generation methodology
Create demand: Build awareness across your total addressable market so your brand is top of mind when buyers are ready to buy. We target the 95% of buyers who aren't actively looking to purchase with educational, value-driven content distributed where they consume information.
Capture demand: When buyers are actively shopping for solutions, we ensure you're impossible to miss in high-intent channels where they research and compare options. We optimise your visibility in traditional and AI search results, then convert that traffic into qualified leads through your optimised website.
Convert demand: Transform interested prospects into sales pipeline through optimised sales handoffs and processes. 360-degree customer view, automated workflows, and repeatable sales processes ensure no opportunity slips through the cracks.
Proven results:
We're not just another marketing agency. We're your revenue growth partner, helping B2B brands generate more high-intent leads, qualified pipeline, and scale revenue with strategies grounded in data and tailored to their buyers.
2. Refine Labs (USA)

Refine Labs helps mid-market and enterprise B2B SaaS companies change the way they measure and execute marketing. Their demand strategies drive qualified leads, maximise ROI, and reduce acquisition costs for profitable, sustainable growth.
By shifting from outdated lead generation tactics to modern demand generation strategies, they've helped hundreds of mid-market and enterprise B2B SaaS companies grow and adapt to today's buyers. They focus on revenue-focused approaches that prioritise business growth over vanity metrics, pioneering the "demand acceleration framework" that combines predictive intent modelling with creative experimentation.
3. Dapper (Netherlands)

The leading B2B marketing agency of the Netherlands, Dapper builds, scales, and optimises marketing engines that generate pipeline and improve ROI. Founded in 2019, they've grown rapidly into one of Europe's top B2B marketing agencies.
They work with B2B companies worldwide, helping level up complete marketing engines from strategy to content, advertising, and measurement. They focus on making brands top-of-mind within their specific target markets through their international team of online marketers.
4. Scaled (UK)

Scaled is a B2B growth consultancy that specialises in demand generation, helping businesses attract and convert high-quality leads. Their strategic approach combines management theory with real-world experience, ensuring all solutions are practical and effective.
They focus on content-led demand generation strategies that help businesses build authority in their markets while driving measurable pipeline growth. Their team brings extensive experience in scaling B2B businesses, working with companies to develop sustainable growth strategies that deliver results.
5. Soap Media (UK)

Soap Media is a full-service digital marketing agency that combines strategic thinking with creativity to help ambitious B2B businesses transform their digital presence. With nearly 20 years of experience, they've built a reputation for delivering results-driven campaigns that generate qualified leads and drive growth.
They specialise in inbound marketing strategies that attract, engage, and convert high-quality prospects. Their approach focuses on creating valuable content and experiences that build trust with target audiences throughout the buyer journey. They work across various B2B sectors, helping companies develop comprehensive digital strategies that include SEO, content marketing, PPC, and conversion optimisation.
6. Gorilla76 (USA)

Gorilla76 is a full-service B2B marketing agency that specialises in demand generation for manufacturing companies. They focus on creating integrated marketing strategies that drive qualified pipeline growth through a combination of content marketing, paid media, and marketing automation.
Their approach centres on understanding the unique challenges of B2B tech buyers and creating targeted campaigns that resonate throughout the entire customer journey. With a strong track record of helping companies scale their marketing efforts, they combine strategic thinking with tactical execution to deliver measurable results.
7. Ziggy Agency (UK)

Ziggy Agency is a performance-focused B2B marketing agency that specialises in demand generation for SaaS companies. They're known for their data-driven approach and ability to scale marketing programmes that drive genuine business growth.
Their success stories demonstrate significant improvements in lead quality and conversion rates for their clients. They work with B2B SaaS companies to develop marketing programmes that focus on driving qualified opportunities and revenue growth rather than just lead volume.
8. Compound Growth Marketing (USA)
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CGM is a premier growth partner to B2B tech companies. They build Predictable Demand Systems so their clients have a sustainable growth strategy.
They take full accountability for your growth goals, with senior strategists who have extensive experience working in B2B demand generation. Recognised as one of the fastest growing private companies in America by Inc Magazine, they focus on funnel economics and sustainable growth strategies.
9. MarketBridge (USA)

MarketBridge is an integrated growth consulting and marketing firm that became even stronger in 2024 through its acquisition of Quarry, a top-ranking B2B demand marketing agency.
The combined entity specialises in creating integrated demand generation strategies designed to build real demand, enhance customer engagement, and drive measurable business outcomes. They work with leading B2B tech companies including enterprise-level firms and tech startups, helping them navigate complex sales cycles and align large buying committees.
10. Rocket SaaS (UK)

Rocket SaaS is a specialised demand generation agency focused exclusively on B2B SaaS companies. They understand the unique challenges of selling software solutions and create targeted campaigns that drive qualified pipeline growth.
Their approach combines strategic account-based marketing with scalable demand generation tactics, helping SaaS companies accelerate their growth through improved lead quality and conversion rates. They focus on creating sustainable marketing systems that drive predictable revenue growth.
What makes a great B2B demand generation agency?
The best B2B demand generation agencies distinguish themselves through several critical capabilities that directly impact your business success.
Understanding modern buyer behaviour
B2B buyers now control 95% of their research journey, relying on digital channels, peer recommendations, and self-service resources before engaging with sales teams. Exceptional agencies design strategies that support this buyer-centric approach, creating content and experiences that build trust and authority throughout the entire customer journey.
Integrated approach to demand creation and capture
Great agencies understand that successful demand generation requires both creating awareness amongst the 95% of your market that isn't actively buying, and capturing the 5% that is actively researching solutions. They develop strategies that work across the entire funnel, from initial awareness through to closed-won revenue.
Data-driven optimisation and attribution
The best agencies implement proper attribution models that track the buyer's journey across multiple touchpoints. They use this data to continuously optimise campaigns, reallocate budget to the highest-performing channels, and provide clear reporting on business impact rather than just activity metrics.
Industry specialisation and vertical expertise
Modern B2B demand generation increasingly requires deep vertical knowledge. The most effective agencies have proven experience in your specific industry, understanding your buyers' unique challenges, regulatory requirements, and decision-making processes.
Making the right choice for your business growth
Your B2B demand generation success depends on finding an agency that understands both your industry challenges and modern buyer behaviour. The agencies on this list have demonstrated their ability to drive measurable business results through strategic demand generation approaches.
The key is selecting an agency that aligns with your specific needs, growth stage, and revenue objectives. Whether you need comprehensive full-funnel demand generation, specialised SaaS expertise, or innovative experimental approaches, there's an agency here that can accelerate your pipeline growth.
Remember, the right demand generation partner doesn't just generate leads, they build sustainable marketing engines that create, capture, and convert demand into predictable revenue growth.