SEO and content marketing may appear simple but they are a lot of work.
Conducting competitor research. Keyword analysis. Creating content briefs. Crafting content that resonates both with your target audience and SERPs. And this is just the tip of the iceberg.
Plus, with Google’s ever-changing algorithm and mounting competition, it’s still not guaranteed that you’ll be able to dominate search engines and increase your revenue.
That’s where SEO (Search Engine Optimization) content marketing agencies come into the picture. These agencies hire a team of experts for different tasks, which makes it possible for them to offer a full suite of SEO writing services. They also have a track record of helping brands like you boost online presence, organic traffic, and ultimately, revenue.
To narrow down your search, we curated a list of some of the best SEO content service providers in the industry. From Omniscient Digital’s organic growth strategies for B2B software companies to Seer Interactive’s big data-powered approach for enterprise brands, this list has something for everyone.
The 9 Best SEO Content Services
- Omniscient Digital
- Flying Cat Marketing
- NP Digital
- Straight North
- Evolving SEO
- Seer Interactive
1. Omniscient Digital
Best for: Organic growth strategy for B2B software companies.
Services: SEO strategy, monitoring, analytics, technical SEO, programmatic SEO, content marketing/writing, and link-building
Notable clients: Jasper, Hotjar, Loom, Adobe, SAP, AppSumo
Omniscient Digital is a prominent organic growth agency that offers SEO content writing services to B2B software companies. Our approach involves combining content strategy development, SEO audits, content production, promotion, optimization, and more. The goal is to drive business growth and increase your revenue, not just to drive traffic to your blog.
Our main focus is on directing the content and SEO in the right direction to garner sustainable, organic growth. For instance, we recently helped Jasper grow organic sessions by 810% and product signups by 400X.
To achieve that, we use our risk-weighed portfolio approach to content strategy, the “Barbell Content Strategy.
It involves building a data-driven content plan using search data, search intent analysis, and frameworks to strike a balance between immediate engagement and long-term SEO benefits.
We’re also big votaries of personalization and understanding the client’s industry and competitor the landscape before laying out a content strategy. This includes a rigorous research process involving buyer persona and product review, competitor analysis, and website content audit.
It’s also worth mentioning that Omniscient isn’t a full-service digital marketing agency that dabbles a little in everything. We specialize in organic growth through content marketing and ethical, white-hat SEO techniques.
Our leadership team also boasts experience in content, SEO, and growth roles at notable B2B software companies like HubSpot, Shopify, and Workato, as well as running large-scale editorial processes at companies like Backcountry and Clearlink.
Our team also consists of seasoned professionals, including content growth strategists, SEO content writers, editors, and SEO outreach specialists, each bringing expertise in their respective fields. We handle every part of SEO and content, from planning and creating stellar content outlines to editing and promotion. Together, our team is capable of producing hundreds of editorial pages each month.
2. Flying Cat Marketing
Best for: SEO content for B2B SaaS startups
Services: On-page SEO implementation, Off-page SEO implementation, Technical SEO support, Content creation, Programmatic content creation
Notable Clients: Operto, Demio, ActiveCampaign, Leapsome
Founded in 2020, Flying Cat Marketing is an organic growth consultancy for B2B companies looking to expand globally. Their SEO content services include full-service SEO, content creation, SEO consulting, and international SEO, primarily catering to HR tech, hospitality tech, and martech companies.
What makes them stand out is their unique 3x SEO Accelerator framework, which helps them triple demo requests and gain a 3x ROI.
Their focus clearly extends beyond driving traffic, aiming to deliver content that engages and converts. This is evident in client outcomes, including significant increases in website visits, demo requests, blog sessions, and the like. For example, they managed to help one of their clients, Mixmax, achieve a 500% increase in blog-assisted demo requests.
This achievement was attributed to their thorough SEO research, detailed content planning, and leveraging insights from sales teams and industry experts. Their strategy focused on mid-funnel and bottom-funnel keywords, prioritizing high-intent B2B keywords with faster-ranking potential over those with higher search volumes.
They also offer an audit-only service, which allows you to experience their approach before committing to a full retainer plan.
Moreover, their expertise lies in tailoring their SEO and content strategies to different linguistic and cultural contexts, a distinct advantage for clients aiming for a global reach. This enables them to help their clients reach a diverse international market, including the US, UK, France, Spain, Germany, Portugal, Brazil, the Netherlands, and Italy.
Best for: Product-led startups and growth-stage businesses looking for organic, sustainable growth
Services: Content marketing strategy, content writing, content design, content management, and promotion.
Notable clients: HelloSign, Kubera, Glide, Contentstack
Optimist is a growth-focused content and SEO marketing agency that primarily caters to product-led startups and growth-stage businesses.
Optimist’s founder, Tyler Hakes, is a well-known name in the industry with a decade of experience in content marketing and SEO. His team is entirely made up of full-time, professional freelancers with years of experience under their belt.
They offer a full-stack service, including research, strategy, competitive analysis, writing & editing, ongoing content management on your CMS, data visualization, community outreach, content syndication, and link building.
Aside from their services, what landed them a spot on this list is their emphasis on delivering sustainable, results-driven growth using white hat techniques. This aligns a lot with our way of doing things at Omniscient Digita, which involves focusing on strategies that not only look good on paper but also bring real, tangible success.
Optimist’s team also prides itself on its unique content marketing approach. They focus on quality over quantity, advocating against keyword stuffing and “post and pray” methods, where you simply create and publish content without any specific goal.
Instead, Optimist emphasizes the importance of creating content with a clear purpose and strategy, ensuring that each piece of content aligns with the client’s overall goals. This also helps them generate qualified leads at every stage of the funnel.
They’ve worked with some big names in the industry, helping them achieve massive growth through their strategic content marketing framework. For example, they helped HelloSign scale inbound traffic and leads, increasing their organic traffic growth by 1,308%. They also helped Stampli rank consistently in search engines for high-impact, business-critical keywords that generate traffic and revenue.
4. NP Digital
Best for: Businesses seeking international SEO and full-suite, data-driven digital marketing strategies.
Services: Data analytics & insights, conversion rate optimization, SEO, copywriting services, content marketing, social media marketing, email marketing, digital PR, influencer marketing, paid media, branding, designing web pages, and more.
Notable clients: SoFi, Accor, Adobe, CNN, PWC, Universal Technical Institute, ESPN, Verint
NP Digital is a global award-winning digital marketing agency specializing in SEO, content marketing, and digital PR. They are known for connecting brands with their customers through targeted, highly relevant, and personalized experiences and are recognized for being audience-led and data-informed.
The agency was co-founded by Neil Patel, a well-known figure in the digital marketing industry. According to The Wall Street Journal and Forbes, he’s also recognized as a New York Times Best Selling Author and one of the world’s most influential marketers.
They especially focus on the technical side of SEO, which includes crawlability, indexability, page speed, mobile-friendliness, and security. At the same time, they ensure that the content aligns with Google’s ever-changing algorithm, which includes keeping an eye on topical, semantic, and intent relevance.
They also have their own tools, Ubersuggest and Answer The Public, to conduct keyword research and build a data-driven content strategy for greater visibility in search engine results pages (SERPs).
5. Straight North
Best for: B2B and B2C companies looking for a full-service digital marketing agency
Services: Local SEO, national SEO, ecommerce SEO, enterprise SEO, paid advertising, web design & development, and creative design services.
Notable clients: Bluepay, Boston Analytical, Conduent
Straight North is a full-service internet marketing agency that caters to both B2C and B2B organizations of all sizes. Their services typically include SEO, pay-per-click (PPC) management, display advertising, and web design, strongly focusing on generating leads and ecommerce revenue for their clients.
The agency was founded in 2008 by Kevin Duffy and David Duerr and now has over 100 full-time team members globally. The team of content creators and growth marketers helps their clients acquire valuable inbound links and produce high-quality content for various business types.
Aside from digital marketing services, they also offer creative design services, including branding services, brochures, ads, infographics, and pretty much everything you’ll need for brand development. This takes care of online as well as offline marketing and branding needs.
They also use their own custom-built reporting platform, GoNorth, where they update their metrics daily, helping them implement result-driven growth strategies and inform clients about their marketing campaign performance.
This custom-built application also allows their clients to access real-time analytics from any device. It offers insights into traffic, form submissions, ecommerce revenue, transactions, and more.
6. Evolving SEO
Best for: One-on-one SEO training and crafting SEO strategy
Services: Full technical site audit, SEO tools and metrics setup, keyword research, content planning, on-page optimization, full content audit, international SEO
Notable Clients: Zappos, Harvard Business Review, Gartner, ButcherBox
Founded in 2007 by SEO expert Dan Shure, Evolving SEO is full-service SEO consulting agency that implements only safe, white-hat SEO tactics. Dan is also an experienced speaker and educator who occasionally shares his expertise at conferences and through his podcast, “Experts on the Wire.”
His full-service SEO consulting includes both standard SEO tasks and deliverables as well as customized solutions designed to address your unique needs. He’ll assist you with technical auditing, keyword research, content calendar, SEO, and site architecture.
Aside from SEO services, you can also reach out to Dan for personal one on one training or SEO tools training.
Shure has a unique “SEO and…” philosophy, which involves pursuing tactics that may get additional results as well, even if SEO doesn’t work out as originally intended.
One of the agency’s key strengths is commitment to ensuring that SEO and marketing efforts complement and enhance the brand’s identity rather than compromise it. This means that they tailor every single strategy or technical adjustment to align with the brand – not against it.
Dan’s focus on ROI and actionable insights is another factor that sets Evolving SEO apart in the industry. Rather than heedlessly implementing trending SEO strategies, he has a stringent rule: follow the ROI.
That said, Evolving SEO won’t help you with content production. They only work with companies that have their own team for content, copywriting, and marketing.
Best for: Large enterprises looking for an all-in-one digital maketing agency
Services: SEO content, SEO audits, optimization, SEO strategy, web content creation, content marketing, full-funnel ROI tracking, lead generation, UX design, PPC, social media, and more.
Notable Clients: Verizon, Wrangler, Subway, Sysco
WebFX is a renowned digital marketing agency specializing in SEO, lead generation, and conversion rate optimization. If you’ve been in this industry for a considerable time, chances are you’re already well-acquainted with WebFX.
They also claim to have driven over $6 billion in revenue for their clients through tailored strategies that leverage AI-powered recommendations, competitor analysis, and comprehensive on-page, off-page, and technical SEO.
When it comes to content marketing, they offer SEO copywriting, content development, content creation, content optimization, promotion, and reporting. They’ve got you covered from the first stage of the funnel until the very end.
Aside from SEO and content services, they offer a full suite of digital marketing services, including landing page optimization, email marketing, social media marketing, PPC, marketing automation, web design, and pretty much everything else.
Best for: Tech companies, including early-stage startups to mature enterprises.
Services: SEO, paid media, design, short-form videos, customer generation strategy.
Notable clients: Snap Inc., Uber Freight, Congruity 360, ZoomInfo
Directive is a performance marketing agency specializing in organic SEO, paid advertising campaigns, web design, content marketing, and creating search engine-friendly content.
Their core services include core page SEO, CRO, content, and technical SEO. Talking about their methodology, they focus on enhancing on-page copy, messaging around core products/services, product sentiment analysis, blog optimization, and more.
Directive also distinguishes itself with its proprietary Customer Generation framework for tech startups. This approach involves understanding your ideal customer segments and aligning marketing efforts with the buyer’s journey to drive organic traffic, qualified leads, and pipeline growth.
Their entire SEO and content strategy is directed towards generating more SQLs (Sales Qualified Leads) from ideal customer segments and personas.
They cater to all types of tech companies, from startups to enterprises worth over $1 billion, including high-profile clients like Uberfreight and ZoomInfo.
9. Seer Interactive
Best for: Performance marketing for enterprise brands
Services: SEO, paid media, analytics, market intelligence, consumer insights, creative, conversion rate optimization
Notable Clients: Hershey’s, LinkedIn, Intuit, Autodesk
Founded in 2002 by Wil Reynolds, who is also a sought-after keynote speaker, Seer Interactive is one of the most sought-after digital marketing agencies in the United States. They serve a wide range of clients, from emerging startups to Fortune 500 companies.
It’s not your run-of-the-mill agency. They don’t believe in merely implementing the “best SEO practices.” Instead, their SEO strategies are fueled by data, innovation, and custom recommendations for better search engine rankings.
In fact, Seer Interactive’s USP lies in its data-informed digital marketing services, which include analytics, paid media, SEO, creative, CRO, audience intelligence, and market intelligence. They even use their own proprietary Supernova cloud-based data platform for data analysis and insights mining,
The agency’s SEO services cover everything from Enterprise SEO designed for teams with aggressive growth KPIs to Maintenance SEO for teams looking to maintain performance with minimal resources.
What Criteria to Look for in the Best SEO Content Services
1. Look for industry expertise
SEO isn’t inexpensive. A brand’s reputation also rides on its content’s shoulders.
You can’t outsource these services lightly without knowing whether the agency has successfully collaborated with other companies in your industry or not.
Always look for an agency with a portfolio full of successful projects and recognizable clients. Most renowned companies have one thing in common: a page on their official website dedicated to client testimonials and case studies, explaining their process and how it helped their clients.
Perusing their case studies will not only help you determine their ability to achieve results but also give you an idea of how they navigate challenges.
2. Comprehensive features
Your SEO content agency shouldn’t just create an SEO marketing plan and offer a one-off SEO content writing service. Their services should encompass keyword research, editing, link building, technical SEO, performance tracking, and every other aspect of SEO content.
If not, you’ll find yourself coordinating with multiple teams for different tasks. So, it’s better to look for someone who will help you completely manage the SEO content needs of your brand.
For example, Omniscient Digital combines content strategy development, SEO audits, content production, promotion, and optimization, helping them create a cohesive content strategy for thier clients.
3. Data-driven approach
Everyone can create and publish content. But it takes a special team to create quality SEO content backed by data analysis, which includes keyword research, audience analysis, and competitor research.
And use of data doesn’t stop here. It’s equally important to constantly track content performance to optimize content and make sure you’re achieving intended results.
4. Customization and personalization
Despite being from a similar industry, every business has different requirements, brand messaging, and goals. Look for agencies that create unique strategies for each client based on their target audience, goals, and preferences.
For example, Directive uses proprietary Customer Generation framework for tech startups, helping them align marketing efforts with the buyer’s journey.
5. Content quality
High-quality, relevant, and valuable content is paramount. The better your content is, the more likely it is to rank well in search engines and attract and engage your target audience.
Your content will also be associated with your brand. In many cases, it’s going to be the first point of contact between you and your audience. Low-quality content won’t bode well for your brand’s image, so make sure you review the agency’s previous samples and case studies to assess their content quality.
6. Transparent reporting and communication
The success of your SEO content also hinges on transparent reporting to some extent. This includes regular updates, accessible performance dashboards, and clear explanations of the data.
You should also discuss your agency’s reporting methods and how often they analyze and communicate performance results to make sure you’re on the same page.
7. Innovation and continuous improvement
You probably won’t be able to beat your competition if you find yourself stuck with an agency that refuses to move with the times. Instead, look for an agency that uses advanced tools to stay ahead of industry trends, experiments with new content formats and SEO techniques, and constantly looks for ways to enhance their SEO writing services.
Conclusion: Navigating Your SEO Content Writing Service Options
Looking to grow your business using SEO-friendly content? Finding the right SEO article-writing service provider and content marketing agency for your specific needs is paramount.
For example, Omniscient Digital is the go-to for organic growth strategies specifically designed for B2B software companies. They also excel in creating tailored content and SEO strategies that not only drive traffic but also bolster revenue and business growth sustainably.
Then, you have Flying Cat Marketing, which shines for B2B brands eyeing expansion into the European market.
Tech companies will prefer Directive’s specialized SEO services and proprietary Customer Generation feature that aligns marketing efforts with the buyer’s journey.
On the other hand, Seer Interactive is more suitable for enterprise brands looking for performance marketing, using a big data-powered digital marketing strategy.
Each agency listed in this article offers unique strengths tailored to different businesses, from startups to large enterprises. If you have any doubts, you can always reach out to them directly.