Successful content marketing requires a multitude of strategies working in harmony. Is your current strategy more cacophony than symphony?
The number of monthly content marketing budgets exceeding $45,000 leapt from 4.1% in 2024 to 11.4% in 2025. It’s plain to see why: Prioritizing content strategy has become more important than ever. Without it, a business is like an orchestra without a conductor.
In 2025, content teams are also contending with new challenges like AI-driven search results and stricter search intent guidelines – 77.6% of content marketers say getting content to rank is a top frustration, and 70.6% struggle with meeting user intent.
The solution is to put E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) at the heart of your strategy, which can help satisfy users and search algorithms alike.
Successful content marketing, however, harmonizes SEO, optimization, link building, and great writing into a symphony of results — and that’s where a great conductor, or a B2B content marketing agency, can be worth its weight in gold.
We know our worth here at Siege — in fact, we generate over $86 million in yearly traffic value for our clients. However, we’re not the only option on the market, and we would like to highlight some of the best B2B content marketing agencies out there.
Read on to find a perfect conductor for your content marketing efforts.
- Siege Media – Best Overall
- ClearVoice – Best Content Network
- Omniscient Digital – Best for Mid-Market
- Animalz – Best for Technical B2B
- Optimist – Best for SaaS
- Foundation – Best for Canadian B2B
- BeamContent – Best for Copywriting
- Grow and Convert – Best for Mid-Market SEO Focus
- Codeless – Best for Long-form Content
- Gorilla 76 – Best for Manufacturers
- Velocity Partners – Best for SaaS
- ProperExpression – Best for Mid-Market
1. Siege Media
Best for: Premium SEO content, enterprise
Strengths: SEO-focused content that continuously drives rankings, profitability, and ROI
Recognizable clients: Zapier, Zoom, Kraken, and Panda Security
Although our client success is easy to see, what truly sets us apart is in the details.
With 12 years of experience, we have perfected our end-to-end content marketing methodology, and it all starts with a comprehensive Keyword Opposition to Benefit (KOB) analysis. By determining the perfect keywords to target, and when to target them, we set the optimal foundation for rapid, exponential content growth.
From there, our expansive team of content marketing strategists, managers, editors, designers, developers, and SEO professionals brings these keywords to life — expertly crafting unique, high-quality content such as articles, infographics, calculators, quizzes, and more that resonates perfectly with ideal prospects.
While other agencies may move on at this point, we know that once we hit “publish,” our work is just beginning. Continuous analytics tracking, monthly content reports, and on-page UX recommendations put the finishing touches on our proven and profitable content marketing strategy.
We are the content marketing agency brands hire when their ROI isn’t optimal — could that be you? Check out our B2B case studies to learn more.
2. ClearVoice
Best for: Quality freelance network needs
Strengths: Offers its own talent discovery engine called VoiceGraph to vet freelance writers
Recognizable clients: Cox, Cisco, Cabela’s, CARFAX, Intel, Esurance, and PNC Financial Services
ClearVoice is a freelance platform that connects clients to industry expert writers, identified through their proprietary VoiceGraph technology. ClearVoice optionally provides clients with teams of talent managers, editors, freelancers, and customer success managers.
The company is owned by Fiverr and has worked with more than 500 clients. For B2B companies in technically complex verticals, ClearVoice’s large network may provide a great talent fit.
3. Omniscient Digital
Best for: Mid-market SaaS
Strengths: High-quality content that keeps business growth in mind
Recognizable clients: Jasper, Hotjar, Adobe, Loom, Retool, and TikTok
Primarily serving B2B software companies, Omniscient Digital seeks to build connections via the strategic boost of high-quality content.
This agency is confident in its internal talent’s ability to achieve repeatable results — and with a portfolio boasting standout projects for companies such as Adobe, Loom, and TikTok, it’s hard to blame them. Parlaying knowledge from these tech giants, they have created unique growth strategies focused on quality and performance.
Omniscient does business based on three core concepts:
- Content should be tied to business performance.
- High-quality content is hard to compete with.
- Processes should always be improved upon.
Together, these concepts lead to concrete results for any business.
4. Animalz
Best for: Technical B2B
Strengths: Educational long-form content for business professionals
Recognizable clients: Amazon, Google, Airtable, and GoDaddy
Animalz specializes in the type of long-form content your readers will get engrossed in.
Prioritizing written education, this agency seeks to help companies speak directly to their audiences — whether those seats are filled with everyday workers seeking to improve their processes, or executives, managers, and other specialized professionals.
Stretching across a range of technical B2B industries, Animalz aims to make sense of the complex, and turn your readers into experts in their respective fields.
5. Optimist
Best for: Mid-market SaaS
Strengths: Highly strategic and structured approach to content marketing
Recognizable clients: Neighbor, Submittable, Kubera, and Semrush
Focusing on organic growth engines, Optimist is a full-service agency that helps clients from Series A level to IPO.
Casting aside the “blog and pray” method that plagues other agencies, Optimist begins their content creation process with a defined strategy — one that interlocks SEO, content, and linking structure into a well-oiled outreach machine.
Their guiding principles are focused on working with purpose and continuously improving, and this agency can bring an effective and decisive approach to your content strategy.
6. Foundation
Best for: Canadian B2B
Strengths: End-to-end content approach from formulation to distribution
Recognizable clients: Mailchimp, Canva, and Webex by Cisco
Foundation is a self-proclaimed team of strategists and creators that helps B2B businesses produce content that shapes their culture.
Far too often, we see companies employ the “set and forget” method of content creation (publishing content and then moving on). Foundation seeks to rectify this mistake across industries and individual content plans.
With an end-to-end approach to content creation, Foundation can take on every aspect of the process from initial strategy to distribution. Combine this with their transparency and commitment to success, and you can give your business an edge in the marketplace.
7. Beam Content
Best for: B2B copywriting
Strengths: Engaging and unique content that spans across industries
Recognizable clients: MessageBird, OnBoard, Dooly, and Groundswell
With a fierce desire to create engaging content in a sea of boring and undifferentiated articles, Beam Content is the solution for businesses that need to spruce up their outreach.
They know better than anyone that businesses and content teams can feel overwhelmed, leading to the all-too-common pitfalls of unfocused content planning and siloed content and resulting in boring and ineffective messaging — rendering the previous time spent creating it moot.
Beam Content can bring trust and brand authority to your business, collaborating with your team, customers, and partners every step of the way.
8. Grow and Convert
Best for: Mid-market SEO focus
Strengths: Helps growing businesses to rank for their highest-value keywords
Recognizable clients: Aura, Patreon, Persona, Scribe, and Yelp
Focusing on high-value keywords, Grow and Convert is a B2B content marketing firm that helps businesses formulate their outreach strategy and produce high-quality content.
Since its formation in 2015, the agency has noticed some key missteps in the content industry that they seek to rectify: prioritizing traffic over conversions, casting aside high-intent keywords, and a lack of product copywriting, to name a few.
Instead, they focus on the methods that work: strong keyword generation, technical SEO, product-focused content, and link building.
Grow and Convert can aid your business in higher-quality keywords, strategy, and content.
9. Codeless
Best for: Long-form content
Strengths: Helps SaaS, affiliate, and service-oriented websites generate profitable long-form content
Recognizable clients: Monday, Robinhood, Gong, and Miro
Through SEO, content, and PR efforts, Codeless helps industry leaders to generate long-term ROI.
This agency oversees the publication of hundreds of SERP-topping pieces per month — even in the most competitive spaces and industries. Weaving in a combination of strategy, writing, design, video, and PR, Codeless can deliver high-quality long-form content to your readers.
Working with some of the biggest names in SaaS, they are a perfect partner to consider for better outreach.
10. Gorilla 76
Best for: B2B manufacturers
Strengths: Full-scale content management for industrial businesses
Recognizable clients: Davron Technologies and Multi-Tek
Boasting more than a decade of specialized industry experience, Gorilla 76 helps B2B manufacturers with their outreach through focused revenue growth strategies.
With a client list featuring businesses in robotics, industry 4.0 tech, contract manufacturers, machine builders, and engineering OEMs, this agency has mastered outreach for the oft-forgotten industries of content marketing like industrial and manufacturing.
Industrial companies need just as good of a content strategy as businesses in more traditional categories, and if you are a B2B manufacturer looking for a new partner, Gorilla 76 is an experienced and reputable option.
11. Velocity Partners
Best for: B2B tech
Strengths: Full-service content marketing for a constantly evolving tech industry
Recognizable clients: HubSpot, Salesforce, and Trustpilot
Keeping up with the ever-changing tech industry, Velocity Partners helps B2B businesses stay on top of trends, accelerate their pipeline, and create quality content.
Following a trio of guiding principles — meaning, metrics, and mojo — this agency helps brands find relevant stories for their audience with the help of analytics and good old-fashioned confidence.
If you are in need of a partner that can handle content marketing, strategy, performance, and UX, then Velocity Partners is a great opportunity for your business.
12. ProperExpression
Best for: Mid-sized B2B
Strengths: Growth marketing, demand generation, and optimization for a wide range of industries
Recognizable clients: DeskDirector, Robocorp, Inspirata, and Unifund
ProperExpression is a full-stack marketing agency that continuously leverages best practices to create meaningful impact for their clients. As a smaller agency, what they lack in size, they make up for in experience, optimization, and results.
Focusing on four primary client KPIs — ROI, profitability, revenue, and customer acquisition — this agency sits at the self-proclaimed crossroads of science, digital innovation, and art to come up with unique solutions to quantifiable problems.
Featuring experienced leadership and team members, this small-but-mighty agency will help you create content that resonates with your audience.
Choosing the Right B2B Agency
Not sure which agency on this list is the best fit for your business? Consider the following factors when vetting potential content marketing partners:
- Industry expertise and relevant experience:
- Proven results and case studies:
- Service offerings that match your needs:
- Communication and collaboration style:
- Budget and flexibility:
Does the agency have experience with companies in your sector or solving similar challenges? An agency familiar with your industry will more easily understand your audience and speak their language.
Look for a track record of success. Strong B2B agencies should be able to show case studies, testimonials, or data demonstrating they’ve achieved results (traffic growth, lead generation, SEO rankings, etc.) for clients with goals like yours.
Determine if the agency provides the scope of services you require. Some specialize in content creation or copywriting, while others offer full-service content strategy, SEO, design, and promotion. Make sure their capabilities align with your priorities (e.g., SEO strategy, video content, whitepapers, etc.).
Effective communication is vital. The right agency will have a transparent process and keep you informed with regular updates. Ensure their working style (reporting frequency, project management, responsiveness) fits well with your team’s workflow.
Know your budget and find out if the agency can tailor a program to that budget. Top agencies will create custom proposals and be flexible in scaling efforts up or down as needed. Clear discussions about pricing, deliverables, and expected ROI upfront are key to a successful partnership.
Content Marketing With Siege
At the end of the day, the best B2B content marketing agency for you is the one that fits your needs perfectly — and experience, thorough communication, and repeatable results should be at the forefront of that decision.
While we like to talk the talk at Siege with informational posts and guides, we can also walk the walk — and we have nearly $150 million in generated traffic revenue to prove it.
If you’re ready to partner with an agency that will be with you every step of the way in the outreach process, check out our B2B content marketing services today.
