12 Best B2B Marketing Agencies in London 2025

Approximately 40% of businesses in the UK generate all or most of their revenue through B2B activities.

The competition in the B2B space is huge, and outsourcing your marketing efforts to specialized B2B marketing agencies helps you attract and nurture the most qualified leads. 

The leading marketing companies for B2B brands use modern and effective B2B marketing strategies to generate the highest ROI on your advertising campaigns. 

Among all the other B2B advertising tactics, 42% of marketers have agreed to prioritize artificial intelligence and automation in their B2B marketing strategy in the current and the coming years. 

Selecting top-rated B2B marketing services is beneficial for B2B brands needing more expertise to handle complex business-to-business marketing tactics effectively.

If you are a B2B brand in the UK looking to improve your sales funnel to get more clients, this article lists the top marketing agencies for B2B in London. 

 

What Services Does a B2B Marketing Agency Offer?

A B2B marketing agency offers services tailored to help companies promote their products or services to other businesses. Here are ten essential services:

• Strategy Development: Companies create comprehensive marketing strategies aligned with campaign goals, target audiences, and market trends. 
• Brand Creation and Evolution: They develop and refine brand identity, including logo design, messaging, and visual elements.
• Campaign Management: They plan and execute targeted B2B marketing campaigns for specific objectives like product launches or lead generation.
• Content Creation: 80% of marketers use videos as part of their organic marketing strategy. They create and distribute valuable content, encompassing blog posts, articles, videos, and whitepapers. 
• Digital Marketing: They execute online strategies, comprising website development, UX design, PPC, SEO, and email marketing. 
• Social Media Management: 84% of C-level executives use social media to make buying decisions. B2B companies formulate and oversee social media profiles, content, and advertising campaigns to reach the decision makers. 
• Lead Generation: B2B firms employ strategies to attract and convert potential customers into leads for the sales team. 
• Account-Based Marketing (ABM): They target high-value accounts with personalized marketing efforts for a more focused approach. 
• Data Analytics and Reporting: 40% of B2B companies in the UK believe that using data is their biggest challenge. Business-to-business agencies utilize data analytics tools to measure and report on the performance of B2B marketing campaigns. 
• Client Retention Strategies: They develop initiatives to retain existing clients, such as loyalty programs and customer relationship management.

The Benefits of Hiring a B2B Marketing Agency

Hiring a B2B marketing agency offers the below advantages to B2B brands: 

• Specialized Expertise: B2B marketing agencies bring in-depth knowledge of industry trends, technologies, and effective strategies tailored specifically for the B2B sector. 
• Fresh Perspectives: B2B marketing companies provide an unbiased and external viewpoint, offering valuable insights that internal teams may overlook, leading to the identification of untapped opportunities. 
• Efficiency and Dedicated Teams: Equipped with dedicated professionals, B2B marketing agencies streamline campaigns, ensuring that every aspect, from content creation to data analysis, is expertly handled. 
• Cost-Effectiveness: Outsourcing B2B marketing needs to B2B marketing companies often proves more cost-effective than maintaining an in-house team, with agencies leveraging established relationships and providing additional value and cost savings. 
• Adaptability and Innovation: B2B marketing agencies stay nimble in the dynamic digital landscape, employing cutting-edge tools, adapting strategies to market trends, and ensuring companies remain at the forefront of industry developments.

How to Choose the Best B2B Marketing Agency

Here are the top factors to help you select an agency that aligns with your company objectives and industry requirements: 

• Campaign Objectives: Clearly articulate your marketing objectives, specifying whether they involve lead generation, brand awareness, or market expansion. 
• Industry Relevance: Opt for B2B marketing companies with experience in your specific industry, ensuring they understand the intricacies of your business environment. 
• Portfolio Assessment: Scrutinize the agency’s portfolio and case studies to gauge their proficiency and success in delivering results for companies similar to yours. 
• Digital Competence: Ensure the B2B agency demonstrates expertise across leading digital channels, such as content marketing, SEO, social media, and email campaigns, which are vital for comprehensive B2B strategies. 
• Data-Driven Approach: Prioritize a B2B agency that employs data-driven decision-making processes, leveraging analytics to refine strategies and measure ROI effectively. 
• Effective Communication: Choose services with transparent communication practices, fostering a collaborative environment conducive to shared success. 
• Scalability: Confirm the agency’s ability to scale services with your organization growth, ensuring adaptability to evolving advertising needs. 
• Client Testimonials: Seek testimonials and references from current or past clients to gain insights into the firm’s strengths and overall client satisfaction. 
• Budget: Transparently discuss and align budget constraints with the B2B agency’s service offerings to ensure a clear understanding of costs and value proposition. 
• Contractual Clarity: Scrutinize contract terms, including partnership duration, termination clauses, and any additional fees, ensuring a clear understanding of the agreement.

List of the Top B2B Marketing Agencies in London

1. NinjaPromo

Yes, it’s us. We proudly declare that we are currently recognized as one of the leading B2B digital marketing agencies in London. While this may sound somewhat subjective, we can substantiate it with our portfolio and the results we achieve for our clients.

Do you want to boost your ROI on marketing campaigns? We’d love to help you. We specialize in helping ambitious brands and startups, both locally in the UK and globally, achieve constant growth. Our agency achieves this by combining multiple digital marketing methods to ensure success across all online channels.

Also, we have a flexible marketing subscription model. It offers a cost-effective way to access top-tier services without hidden fees. Join forces with us to make sure your marketing strategy perfectly matches your vision for long-term success!

 

📍Location: London	⏳Founded: 2017
💻Key Services: Digital Marketing Strategy Search Engine Optimization Paid Ads PR Email Marketing  Video Marketing Social Media Marketing Influencer Promotion Branding and Identity Design Web Design	💼Industries Served: B2B Software Fintech SaaS Crypto Gaming Ecommerce
🔗Website: Ninjapromo.io	🔝Best For: Сompanies seeking a dedicated and experienced B2B digital marketing agency
Book intro call with us

 

✅Why Choose Them:

• Recognizing that each business is unique, NinjaPromo doesn’t provide off-the-shelf campaigns. Instead, we are committed to building bespoke solutions that address the requirements of each client. Our personalized approach sets us apart in delivering tailored and effective campaigns.
• We maintain transparent communication with B2B clients. From outlining expectations and deliverables to discussing budgets, NinjaPromo ensures that clients are well-informed and engaged throughout the collaboration.

📁Case Studies: 

• Intellectsoft: We helped Intellectsoft achieve a 159% increase in online engagement, with over 11,000 new social media followers and substantial interest from 3,000 C-level executives.
• Unibright: We helped Unibright raise $12.6 million during its ICO, reaching 1.2 million potential investors organically on social media and creating an interactive chatbot through targeted strategies.

2. Earnest

Earnest is an award-winning B2B marketing agency based in London with a mission to inspire, engage, and entertain audiences. With a roster of esteemed clients like Canon, Kaspersky, Vodafone, and Google, Earnest helps to redefine the landscape of B2B advertising through innovation, creativity, and strategic brilliance.

 

📍Location: London	⏳Founded: 2009
💻Key Services: Branding and Rebranding Strategy Content Marketing Creative Design Advertising	💼Industries Served: Software Technology Telecommunications Fitness Education
🔗Website: Earnest-agency.com	🔝Best For: Suitable for B2B businesses in technology, finance, and more.

 

✅Why Choose Them:

• They are recognized for excellence with awards such as the B2B Elevation Awards and ANA Ace Awards.
• They have a dynamic team with an excellent understanding of the unique challenges in B2B marketing.

📁Case Studies: 

• DX: Earnest marketing agency for B2B helped DX create a new visual identity by launching an advertising campaign. The campaign helped DX achieve a 90-99% rise in key service level agreements.
• Evalueserve: The B2B agency helped Evalueserve craft a compelling visual identity, resulting in a 252% increase in inbound leads.

3. Fox Agency

Fox Agency is a popular B2B marketing agency in London for B2B tech brands. Operating under the philosophy of “brand led demand,” Fox Agency combines tech expertise with strategic, creative, and execution capabilities to address challenges like growth, repositioning, market entry, and more. 

 

📍Location: London	⏳Founded: 2001
💻Key Services: Digital Advertising  Global PR  Creative Services  Content Creation  Motion and Video Production  Strategic Consulting	💼Industries Served: Software Technology Hotels  Automobile
🔗Website: Fox.agency	🔝Best For: For brands looking to create innovative and impactful experiences

 

✅Why Choose Them:

• Emphasizing the importance of strategic planning, Fox Agency aims to guide brands on a well-defined path from concept to execution, maximizing the impact of their advertising efforts.
• The agency maintains a client-centric focus, ensuring that the unique objectives of each client are met with dedication and excellence.

📁Case Studies: 

• Arcwide: Fox Agency helped Arcwide with a strategic brand position, visual identity, and a standout presence, resulting in over 3.5 million impressions and high engagement.
• RendezVerse: The firm strategically elevated RendezVerse by capitalizing on the metaverse trend through a five-month PR campaign. With 88 pieces of coverage, 96 media opportunities, and a reach of 3.8 million, the campaign successfully garnered attention and attracted investors.

4. Digital Litmus

Digital Litmus is a leading B2B marketing agency in London for tech and SaaS companies, excelling in connecting sales, marketing, and success for ambitious ventures. Their CMO-level strategists drive success through the Demand Generation Machine Framework, offering strategic expertise, specialization in B2B Tech and SaaS, true collaboration as an extension of your team, agile and data-driven advertising principles, and a flexible points-based pricing model. 

 

📍Location: London	⏳Founded: 2015
💻Key Services: Demand Generation  Inbound Promotion  Content Marketing  Growth-Driven Design  Sales Enablement	💼Industries Served: Software Technology Media Food and Beverage
🔗Website: Digitallitmus.com	🔝Best For: B2B Tech and SaaS companies seeking growth in sales

 

✅Why Choose Them:

• They offer a personal touch to marketing, focusing on results and customer success. 
• The agency is open, honest, and direct communication with no hidden agendas. 

📁Case Studies: 

• Lightful: They strategically revamped Lightful’s digital presence, boosting search rankings and generating successful leads through targeted personas and keyword optimization.
• Spektrix: The team helped Spektrix design a webinar campaign, resulting in a £268k attributed pipeline and a 51% live attendee rate.

5. Gripped

Gripped is a dynamic B2B marketing agency based in London, specializing in digital marketing strategies tailored for SaaS and tech companies. They drive growth through expert execution, buyer-centric approaches, and a focus on meaningful metrics, offering services such as strategy, B2B SEO, content marketing, paid search, social media, and Martech to elevate demand, pipeline, and revenue.

 

📍Location: London	⏳Founded: 2017
💻Key Services: Business Strategy Planning Content Marketing Paid Search Paid Social Website Designing	💼Industries Served: Software Technology Transcription Services Advertising Agencies
🔗Website: Gripped.io	🔝Best For: B2B SaaS and tech companies seeking results-driven digital marketing expertise

 

✅Why Choose Them:

• Gripped prioritizes results, focusing on meaningful metrics to drive demand, pipeline, and revenue.
• Their digital-first approach, coupled with a commitment to being martech and media agnostic, ensures a flexible and effective strategy.

📁Case Studies: 

• EDI Software: Gripped helped EDI with complete digital marketing services, leading to an over 1500% increase in conversions. 
• Nozzle: The team helped Nozzle improve product branding by focusing on content marketing, leading to a 960% increase in demos. 

6. The Marketing Practice

The Marketing Practice is a top B2B marketing agency in London uniting insights, creativity, and digital experiences to power full-funnel growth for technology leaders. Specializing in brand development, demand generation, account-based marketing, media, channel marketing, digital experiences, and data-driven strategies, they’ve successfully partnered with industry giants like O2, Citrix, Microsoft, and others. 

 

📍Location: London	⏳Founded: 2002
💻Key Services: Brand Building Demand Generation ABM Paid Media Advertising Strategy And Planning	💼Industries Served: Shopping Health  Software Aviation Security Logistics Construction
🔗Website: Themarketingpractice.com	🔝Best For: It’s an ideal partner for companies in the technology sectors

 

✅Why Choose Them:

• The agency’s unique strength lies in its ability to combine specialized services, such as brand development, demand generation, and account-based marketing, with the power of the Argus insights platform. This holistic strategy drives full-funnel growth for ambitious B2B brands.

📁Case Studies: 

• Trimble: They helped Trimble develop a targeted ABM strategy focusing on key prospects and leveraging insights gathered through direct collaboration and on-site visits.
• Nutanix: They helped Nutanix with its branding and advertising, resulting in a 230% increase in web engagements and a 3% uplift in share of voice.

7. MyDigipal

These marketing specialists deserve your attention: Meet MyDigipal, an expert agency with advanced B2B solutions. They are ready to develop a customized marketing strategy for you. The work is completed quickly and efficiently due to the use of advanced technologies and process automation.

 

📍Location: London	⏳Founded: 2015
💻Key Services: Paid Social Paid Search Content Creation Email Marketing SEO ABM	💼Industries Served: B2B Automotive Technology Fintech
🔗Website: Mydigipal.com	🔝Best For: For small to medium sized businesses to improve search engine and social media traffic

 

✅Why Choose Them:

• The agency works in multiple languages and maintains strong connections with account managers in different regions.
• They write the content themselves for all marketing campaigns, whatever channel it is: SEO, PPC or whatever.

📁Case Studies: 

• GWI: MyDigipal helped GWI optimize their paid media strategy by refining targeting, increasing ad efficiency, and driving more conversions.
• Vulcain Group: MyDigipal helped Vulcain Group achieve a 2.5x improvement in cost per lead and tripled the number of leads generated. By clearing the backlog of digital support for local dealerships, they also helped secure new business in the fleet market.

8. Twogether

Twogether is a leading B2B marketing agency helping B2B clients drive long-term growth via value-driven advertising tactics. The agency’s technology-focused approach, global presence, and strategic partnerships with leading brands make them a trusted ally in navigating the complex landscape of B2B technology promotion.

 

📍Location: London	⏳Founded: 2015
💻Key Services: Strategy and Planning Copywriting and Creative Design ABM  Paid Media Content Marketing	💼Industries Served: Software and Technology Education Sports Wildlife and Environment
🔗Website: Wearetwogether.com	🔝Best For: Organizations looking to strengthen sales-enablement activities

 

✅Why Choose Them:

• Twogether’s team combines experience, passion, and purpose to help clients turn interactions into profitable, long-term buyer relationships.

📁Case Studies: 

• Telefonica: Twogether’s “Here to help your business flex” campaign for Telefonica exceeded targets with a 1:22 conversion rate and a 54% increase in brand awareness.
• Sage: The agency helped Sage with a 30% funnel uplift, a 104% deal increase in 90 days, and significant boosts in TOFU traffic and BOFU conversions.

9. Clarify

Clarify B2B is a distinguished B2B marketing agency that excels in empowering global technology companies and scale-ups to achieve sustainable revenue. Through strategic engagements with industry leaders like XEROX, VMWARE, ACI, Adobe, Interactions, and UNIT4, Clarify B2B showcases its prowess in delivering impactful solutions. 

 

📍Location: London	⏳Founded: 2003
💻Key Services: Strategic Planning  Market Research and Analysis  Brand Development  Content Marketing  Social Media Management  Lead Generation	💼Industries Served: Software  Technology Manufacturing Telecommunications
🔗Website: Clarifyb2b.com	🔝Best For: Clarify is best for global technology companies

 

✅Why Choose Them:

• With over 19 years in B2B technology marketing, Clarify B2B brings a wealth of experience, ensuring strategic and effective solutions for B2B businesses seeking growth.
• Clarify B2B is committed to delivering real, measurable, and sustainable results, consistently adding substantial value to both top and bottom lines for a diverse range of clients.

📁Case Studies: 

• Unit4: Clarify helped Unit4 build a high-value sales pipeline to boost brand growth.
• VMware: The B2B agency managed VMware’s campaign to help them unlock high-yield opportunities and accelerate pipeline progression.

10. The Brains

The Brains is an award-winning digital marketing agency in London, specializing in B2B campaigns. Their expert team excels in driving growth and delivering results across various industries. Whether for SaaS or finance businesses, they create impactful strategies tailored to companies of all sizes. 

 

📍Location: London	⏳Founded: 2015
💻Key Services: SEO PPC Social Media Marketing Lead Generation Content Marketing Email Marketing Marketing Automation Website Design and Development	💼Industries Served: SaaS  Technology  Healthcare Financial Consultancies Construction  Recruitment Firms
🔗Website: Thebrainsmarketing.co.uk	🔝Best For: For B2B companies of all sizes that need all-in-one marketing promotion

 

✅Why Choose Them:

• The Brains are the team driving lead generation for innovative companies, helping them grow faster, secure more business, and exceed their KPIs.
• Their B2B digital marketing services are flexible, designed to scale according to your business needs and budget.

📁Case Studies: 

• Pictory: MyDigipal used audience data insights to drive PPC success for Pictory’s video marketing platform, resulting in a 190% increase in website traffic. 
• Aurora: For UK funding specialists Aurora, The Brains implemented a strategic SEO campaign that resulted in a 65% increase in organic conversions. 

11. Transmission

Transmission is a globally recognized full-service B2B marketing agency in London offering world-class B2B customer experiences and future-focused solutions. With a team of over 300 employees and a track record of six Agency of the Year awards in the last three years, Transmission emphasizes building meaningful connections between clients and their audiences through curiosity, creativity, and data-driven innovation. 

 

📍Location: London	⏳Founded: 2013
💻Key Services: Strategy & Planning  ABM  Branding  Demand Generation  Creatives & Storytelling SEO  MarTech Consultancy  Paid Media	💼Industries Served: Software Robotics and Technology Manufacturing and 3D Printing Security
🔗Website: Transmissionagency.com	🔝Best For: Companies seeking a globally integrated B2B marketing service.

 

✅Why Choose Them:

• Being the largest independent B2B marketing agency globally, Transmission offers a unique combination of scale and independence, providing B2B clients with the resources and flexibility needed to meet their specific campaign objectives.
• Transmission’s extensive range of services, covering everything from strategic planning to creative design, demand generation, virtual events, and MarTech consultancy, provides clients with a one-stop solution for all their B2B marketing needs.

📁Case Studies: 

• Aruba: Transmission made Aruba Instant On a global Wi-Fi solution for SMBs through creative messaging, simplifying technology, and driving widespread adoption.
• Shure: Transmission helped promote Shure’s enterprise audio solutions through a targeted strategy that included paid social media campaigns and programmatic advertising.

12. Torpedo Group

Torpedo is an award-winning B2B marketing agency that helps simplify complex business concepts for clients with advanced technology solutions. As a full-service agency, they combine strategic marketing, digital expertise, and experience design to create captivating solutions that enhance B2B customer engagement, build brand trust, and drive company growth. 

 

📍Location: London	⏳Founded: 2003
💻Key Services: Marketing Strategy SEO Account Based Marketing Brand Storytelling Content Marketing  Brand Creation  UX Research & Design  Video Marketing	💼Industries Served: Technology and Software  Real Estate Medical Education Gaming
🔗Website: Torpedogroup.com	🔝Best For: Brands with complex offerings.

 

✅Why Choose Them: 

• Torpedo has a successful history of delivering creative solutions that captivate B2B customers, build brand trust, and drive company growth.
• The agency’s extensive in-house expertise, spanning strategy, creative, UX/UI, copywriting, digital engagement, search & SEO, web development, and more, allows for seamless collaboration and control over project timelines.

📁Case Studies: 

• Autodesk: Torpedo successfully executed a dynamic product launch campaign for Autodesk’s EC3 Carbon Calculator, incorporating a visually compelling video and teaser ads that garnered positive industry feedback and strengthened Autodesk’s sustainability positioning.
• Typhoon Time: Torpedo helped raise public awareness for BAE Systems’ Eurofighter Typhoon, earning accolades and recognition as a top iPad app within the set deadline.

Take Advantage of the Benefits of a B2B Marketing Agency with NinjaPromo

Here are the top advantages that come with partnering with NinjaPromo:

• Experienced Team of Marketers: NinjaPromo brings a wealth of strategic expertise to the table. Our team understands the intricacies of B2B inbound marketing, crafting tailored strategies that cut through the noise and elevate your brand. 
• Data-Driven Approach: Our services are anchored in data-driven decisions. We conduct comprehensive audits to understand your strengths and weaknesses, allowing us to develop a roadmap that ensures tangible results for your organization. 
• Customized Campaigns: Recognizing that every company is unique, we don’t offer off-the-shelf solutions. Instead, we curate customized B2B marketing campaigns that address your specific needs, whether it’s brand creation, B2B demand generation, or internal engagement. 
• Powerful PR: Our expert team crafts tailored B2B PR campaigns, leveraging our extensive network to amplify your brand presence. From understanding your company’s mission to creating custom strategies, we ensure the right decision-makers notice your brand.
• Multi-Platform Visibility: NinjaPromo focuses on enhancing your online visibility across multiple platforms. From social media to website optimization, we employ targeted advertising and growth-hacking strategies to maximize your reach. 
• Continuous Optimization: Our commitment doesn’t end with strategy execution. We believe in continuous learning and optimization. Through regular testing, refinement, and adaptation, we ensure that your B2B marketing strategy evolves for maximum return on investment. 
• Industry Versatility: Regardless of your industry, NinjaPromo’s professional business-to-business marketing team can propel your brand to new heights. From Fintech and Crypto to Software, Startup, and beyond, we cater to diverse industries with equal excellence. 
• Measurable Results: Our success is measured in your success. With NinjaPromo, you can expect measurable results, including increased website traffic, higher engagement rates, and enhanced brand awareness. We deliver on our promises, helping you achieve your B2B goals. 

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