best seo content writing agencies

The 17 Best SEO Content Writing Agencies [Feb 2025]

Best Agencies
February 3, 2025 14 min
Justin Berg
Justin Berg

Founder of Rock The Rankings

Creating content that ranks is one thing but creating content that tells a story, speaks to pains and problems, and converts your visitors into bottom-line revenue is another.

Any SEO knows that high-quality content, page experience, and links ranked as the top 3 ranking factors of Google’s search results – meaning if you want to rank, you need to merge great, SEO-focused content with content writers who get your business and can actually build content that moves visitors to take action.

Hiring an agency can be challenging – especially when it comes to SEO content writing agencies.

We’re here to break down the best SEO content writing agencies in the game to help you on your journey of starting to create content that ranks and drives conversions.

1. Rock The Rankings

Rock The Rankings is THE SaaS SEO agency that is hyper-focused on SEO content writing for SaaS brands.

We only work with SaaS and tech brands and only do end-to-end SEO – a core component of that is managing the content for dozens of top SaaS brands.

Rock The Rankings works differently than most agencies and many on this list:

We provide one-on-one engagements directly with the engagement of our founder—you won’t find any junior account managers with 1-2 years of experience here.

We have an experienced team of content writers that have depth across verticals and industries within SaaS that can help to bring your content strategy to life.

Industries

✅ Rock The Rankings only works with SaaS, tech and fintech brands.

Services

  • Done-For-You SEO Management
    • Revenue-focused SEO Strategy
    • Content Creation & Promotion
    • Linkbuilding & Digital PR
    • Existing Page Optimization
  • SEO Consulting & Strategy
  • Link Building
  • Content Creation and Promotion

Pricing

We have transparent pricing up on-site – see here.

  • SEO Content – Starting at $7.5k per month

Rock The Rankings has an initial 120-day commitment time period, with a month-to-month ongoing engagement timeframe.

Sample Clients

  • Bizzabo (Series D)
  • Toast (Series D)
  • Exploding Topics (Co-founded by Brian Dean of Backlinko.io)

2. Green Flag Digital

Green Flag Digital is a content marketing and digital PR agency that specializes in creating high-fidelity content to boost clients’ SEO performance.

Their expertise lies in crafting data-driven stories that attract media coverage and generate valuable backlinks, enhancing domain authority and search engine rankings.

Green Flag Digital employs a thorough 15-step process, including industry research, topic selection, keyword matching, and content creation, ensuring that each campaign is tailored to the client’s specific needs.

Their focus on contemporary content formats helps clients stand out in competitive markets.

Industries: Various
Services: Content Marketing, Digital PR, Link Building, Creative Content
Cost: From $5,000 USD/month
Best For: Businesses aiming to enhance their SEO through strategic digital PR campaigns and high-quality content creation.

3. Godot

Godot Media offers professional content writing services designed to elevate online business presence and improve SEO performance. Their team of skilled writers produces engaging content across various formats, including blog posts, articles, product descriptions, and eBooks.

Godot’s SEO-focused articles are crafted to generate powerful backlinks, enhancing search engine rankings and driving organic traffic.

With a commitment to quality and cost-effectiveness, they cater to businesses seeking to improve their content marketing efforts.

Industries: Business, Health, Law, Finance, Marketing, Technology, Travel
Services: Blog Content, eBooks, Business Writing, Product Descriptions, SEO Content Services
Cost: From $1.3 USD/100 words
Best For: Businesses seeking affordable, high-quality content to enhance their SEO and online visibility.

4. Writing Studio

Writing Studio is a professional writing agency specializing in high-quality, research-based content tailored to enhance SEO performance.

Their team of expert writers covers various industries, ensuring well-researched and SEO-optimized content that aligns with clients’ specific needs.

Services include blog writing, technical writing, whitepapers, and more, all designed to improve search engine rankings and establish authority in the respective fields.

Writing Studio’s meticulous approach makes them ideal for brands that value credibility and aim to boost their online presence through quality content.

Industries: Health, Tech, Finance, Legal, SaaS
Services: SEO Content, Blog Writing, Whitepapers, Technical Writing
Cost: From $0.15 USD/word
Best For: Businesses looking for well-researched, SEO-optimized content to improve their search engine rankings and online authority.

5. Rock Content

Rock Content is a global content marketing company offering a suite of tools and services to help brands create engaging digital experiences that enhance SEO performance. Their network of writers, designers, and strategists enables businesses to scale content production efficiently, ensuring that all content is optimized for search engines.

Services include interactive content creation, SEO strategy development, and branding, all aimed at improving online visibility and driving organic traffic.

Rock Content’s comprehensive approach ensures that brands can effectively reach and engage their target audiences.

Industries: Marketing, SaaS, E-commerce, Media
Services: Content Creation, Interactive Content, SEO Strategy, Branding
Cost: Custom pricing
Best For: Brands seeking to enhance their SEO through interactive and engaging content marketing strategies.

6. Skale.so

Skale.so is a growth and SEO agency dedicated to helping SaaS companies scale their organic traffic through data-driven strategies.

With a deep understanding of SaaS marketing, Skale.so provides tailored solutions that enhance visibility and lead generation.

Their services include industry expert outreach, keyword research, SEO optimization, and extensive topic research, all aimed at improving search engine rankings and driving sustainable growth. Skale.so’s focus on expert-led, user-centric content ensures that clients achieve measurable results in their SEO efforts.

Industries: SaaS, Technology, Startups
Services: SEO, Content Strategy, Link Building, Technical SEO
Cost: From $4,000 USD/month
Best For: SaaS businesses aiming to dominate organic search with high-impact, data-driven SEO strategies.

7. Foundation

Foundation is a B2B content marketing agency known for its data-backed approach to content creation and distribution, focusing on enhancing SEO performance. They assist tech and SaaS companies in crafting compelling content that drives engagement and conversions.

Services include content strategy development, SEO optimization, demand generation, and social media strategy, all designed to improve search engine visibility and attract qualified leads.

Foundation leverages insights from digital trends and analytics to build content that resonates with its target audiences.

Industries: SaaS, Technology, B2B, Startups
Services: Content Marketing, SEO, Demand Generation, Social Media Strategy
Cost: Custom pricing
Best For: B2B companies that need strategic, research-driven content to generate leads and boost SEO performance.

8. The Brains

The Brains is an award-winning digital marketing agency based in London, specializing in lead generation and comprehensive marketing solutions. Their in-house team comprises experts in content strategy, paid advertising, organic search, social media, UX/UI design, and marketing automation, all working collaboratively to build effective lead generation engines for clients.

The Brains adopts a data-driven approach to develop tailored strategies that align with each client’s unique goals, ensuring measurable results and a strong return on investment.

Industries: SaaS, B2B, E-commerce, Finance, Healthcare
Services: Lead Generation, SEO, PPC, Content Marketing, Marketing Automation
Cost: $1,000+; $50 – $99 per hour
Best For: Businesses seeking data-driven lead generation strategies to enhance their SEO performance and achieve substantial growth.

9. Lift Digital Marketing

Lift Digital Marketing is a veteran-owned, full-service digital marketing agency based in Chicago, dedicated to providing scalable and profitable marketing solutions for service-based businesses and nonprofits.

Their services encompass search engine optimization (SEO), web design, local digital marketing, content creation, and social media marketing, all aimed at enhancing online visibility and driving qualified leads.

Lift Digital Marketing emphasizes transparency, hard work, and integrity, partnering closely with clients to build effective marketing machines that deliver sustained return on investment.

Industries: Service-Based Businesses, Nonprofits
Services: SEO, Web Design, Local Digital Marketing, Content Creation, Social Media Marketing
Cost: Retainers starting at $1,500 monthly
Best For: Service businesses and nonprofits aiming to enhance their SEO and online presence through comprehensive digital marketing strategies.

10. Blue Frontier

Blue Frontier is a UK-based digital agency offering a comprehensive range of services, including web design, development, digital marketing, and IT support. With a focus on creating bespoke solutions, they cater to businesses of all sizes, ensuring that each project aligns with the client’s unique objectives. Their team of experts works collaboratively to deliver innovative and effective digital strategies that drive growth and enhance online presence.

Industries: Healthcare, Education, E-commerce, Non-Profit, Government

Services: Web Design, Web Development, SEO, PPC, Social Media Marketing, IT Support

Cost: Custom pricing

Best For: Organizations seeking tailored digital solutions to improve their online visibility and operational efficiency.

11. Outspoken Media

Outspoken Media specializes in comprehensive content creation services designed to enhance online presence and boost organic traffic. Their offerings encompass various content development, editing, and optimization solutions, such as content briefs, informational and transactional content, optimized content design, metadata, image text, video briefs, link text, calls-to-action, and location listings.

They also assist in developing content calendars, quality assurance checklists, editorial guidelines, workflows, and branded templates. Additionally, their content localization and translation services extend reach across multiple languages and regions.

Industries: Various

Services: Content Gap Analysis, Content Creation, SEO Audits, Blogger Outreach Services

Cost: Custom pricing

Best For: Businesses seeking customized internet marketing solutions to enhance their SEO performance and online visibility.

12. Content Vista

Content Vista provides high-quality content writing services for businesses of all sizes. Their team delivers a range of content types, including blog posts, website copy, and marketing materials. They offer flexible content packages tailored to attract, engage, and convert target audiences.

Whether it’s crafting SEO-optimized blog posts, educating with expertly written eBooks, fostering social media communities, establishing thought leadership with articles, or enhancing website content and email copy, Content Vista ensures that a brand’s message resonates effectively in the digital landscape.

Industries: Various

Services: Blog Writing Services, Social Media Content Creation, Copywriting & Website Content Writing, eBook Writing Services

Cost: Starting at $30 per post

Best For: Businesses seeking flexible and affordable content packages to enhance their SEO and online engagement.

13. Lionbridge

Lionbridge is a global leader in translation and localization services, helping businesses reach international audiences with culturally relevant content. With in-market content creation teams, they ensure material is ready for translation or localization.

Their technical content services cover everything—technical writing, eLearning, CAD modeling, and more. Additionally, their specialty content services offer expertise in financial reports, marketing documents, web content, and narrative services.

They provide narrative design, storyboarding, and a range of resources for high-quality content, ensuring messages reach the right audience effectively from the start.

Industries: Games, Banking & Finance, Travel & Hospitality, Consumer Packaged Goods, Technology, Automotive, Retail, Luxury, Legal Services, Industrial Manufacturing, E-commerce

Services: Technical Writing, Training & E-learning, Multicultural Marketing, Digital Experience Assessments

Cost: Custom pricing

Best For: Enterprises seeking comprehensive translation and localization services to effectively engage global audiences and enhance their SEO strategy.

These profiles provide an overview of each company’s offerings, industries served, services provided, pricing, and ideal clients. This information should assist in understanding how each company can contribute to enhancing SEO and content marketing strategies.

14. Brafton

Brafton is a comprehensive content marketing agency that offers a wide array of services designed to enhance online presence and drive engagement. Their offerings include content creation, SEO, social media management, email marketing, and video production.

Brafton’s team of strategists, writers, designers, and videographers collaborate to produce tailored content that aligns with clients’ marketing goals. By leveraging data-driven strategies, they ensure that the content not only resonates with the target audience but also performs well in search engine rankings.

Industries: Technology, Healthcare, Finance, Education, E-commerce

Services: Content Creation, SEO, Social Media Management, Email Marketing, Video Production

Cost: Custom pricing

Best For: Businesses seeking a full-service content marketing partner to develop and execute comprehensive strategies that boost SEO performance and audience engagement.

15. Verblio

Verblio is a content creation platform that connects businesses with a network of expert writers to produce high-quality, SEO-friendly content. They specialize in creating blog posts, articles, and web content tailored to various industries.

Verblio’s unique model allows clients to receive content from multiple writers and choose the pieces that best fit their needs, ensuring a diverse range of perspectives and styles. This approach enables businesses to maintain a consistent content output, enhancing their online visibility and search engine rankings.

Industries: Marketing, Real Estate, Healthcare, Technology, Legal

Services: Blog Writing, Article Writing, Website Content, SEO Content

Cost: Pricing varies based on content type and length; plans start at $99 per month

Best For: Companies looking for a flexible content creation service that offers a variety of writing styles and industry expertise to improve their SEO and content marketing efforts.

16. ContentWriters

ContentWriters is a platform that provides businesses with access to a network of professional writers specializing in creating high-quality, original content. Their services include blog posts, articles, website copy, and product descriptions, all crafted to enhance SEO performance and engage target audiences.

ContentWriters matches clients with writers who have expertise in their specific industry, ensuring that the content is both relevant and authoritative. They also offer content strategy services to help businesses plan and execute effective content marketing campaigns.

Industries: E-commerce, Technology, Healthcare, Finance, Travel

Services: Blog Posts, Articles, Website Copy, Product Descriptions, Content Strategy

Cost: Custom pricing

Best For: Businesses seeking industry-specific content to enhance their SEO strategy and effectively communicate with their target audience.

17. Compose.ly

Compose.ly is a content writing platform that delivers high-quality, SEO-friendly content tailored to businesses’ needs. Their services encompass blog writing, white papers, case studies, technical writing, eBook writing, SEO copywriting, and press release writing.

Compose.ly connects clients with a carefully vetted network of specialized writers, ensuring that the content produced is both engaging and optimized for search engines. They offer managed content creation services for businesses looking to scale their content production efficiently.

Industries: Business, Finance, Technology, Healthcare, Legal

Services: Blog Writing, White Paper Writing, Technical Writing, eBook Writing, SEO Copywriting, Press Release Writing

Cost: Custom pricing

Best For: Businesses aiming to enhance their SEO performance with high-quality, professionally written content across various formats.

These profiles provide an overview of each company’s offerings, industries served, services provided, pricing, and ideal clients. This information should assist in understanding how each company can contribute to enhancing SEO and content marketing strategies.

What to Consider When Hiring an SEO Content Writing Agency

When hiring an SEO content writing agency, it’s crucial to evaluate with a fine tooth comb to make sure not only they’ll be a right fit, but will drive real business impact.

Here’s what to keep an eye out for:

1. Do they have expertise and SMEs in your industry?

The first factor to assess is whether the agency has experience in your industry or a demonstrated ability to create authoritative, well-researched content in your niche.

Industry expertise ensures that the agency understands your audience, competitive landscape, and key messaging.

Reviewing portfolio samples, case studies, and client testimonials can provide insights into their content quality, originality, and engagement.

Look for an agency that produces data-backed content, thought leadership pieces, and expertise-driven articles rather than generic, keyword-stuffed content that lacks depth and credibility.

2. Do they follow SEO best practices, and even better, do what works?

A reputable SEO content writing agency should have deep expertise in search engine optimization, including keyword research, on-page optimization, internal linking, and content structuring best practices.

Ask about their approach to content silos, E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness), and how they stay updated with Google’s algorithm changes.

3. Do they even scale?

As businesses grow, their content needs may evolve, making scalability a critical consideration. Can the agency handle high-volume content production while maintaining quality consistency?

Understanding their workflow, including briefing processes, editorial reviews, plagiarism checks, and how they ensure alignment with your brand voice, is essential.

4. Performance matters – what KPIs do they care about? Rankings, or conversions?

A top-tier SEO content writing agency should offer transparent reporting on key performance indicators (KPIs) such as organic traffic, keyword rankings, engagement, conversions, and backlinks.

Those are great as leading indicators, but conversions are what matters when it comes down to it.

A data-driven approach to content refinement ensures that the agency continuously optimizes its strategy based on performance insights, focused on conversions.

Final Thoughts on The Best SEO Content Writing Agencies

Hiring an SEO content writing agency should be a strategic partnership rather than a simple outsourcing decision.

By focusing on industry expertise, SEO effectiveness, scalability, performance tracking, and ROI, you can ensure that the agency contributes to sustainable organic growth and measurable business impact, rather than another agency that just creates content that doesn’t get right-fit organic eyeballs.

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