Top SEO Companies

Enhance your online visibility with expert SEO services. SelectedFirms features a curated list to help you find the ideal SEO agency that matches your budget and goals, based on verified reviews and real project outcomes. Filter by hourly rate, industry specialization, location, and sub-services in the USA, UK, India, and beyond. Start your search today.

...Read Full Description
Review Star Image Review Star Image Review Star Image Review Star Image Review Star Image
4.9 out of 5, based on 4627 real reviews.
info-icon

SelectedFirms reviews agencies and verifies client feedback to support informed decisions. [How SelectedFirms Ensures Trust]

Explore Reviewed SEO Companies Worldwide — Find Skilled SEO Professionals for Your Project

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

6057 Companies

Filter by

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Digital Marketing

  • 20% Ecommerce Development

  • 20% Mobile App Development

  • 20% Web Development

  • 10% Web Design

  • 10% Internet of Things

  • 10% CMS

A full-service digital agency on the cutting edge of technology

Klyp is a Brisbane-headquartered, full-service digital agency with additional offices in Melbourne and Sydney, delivering digital strategy, web design and development, online marketing, and graphic design services since 2003. Australian-owned and independent, the team weaves together conversation, ideas, and technology to serve businesses, organisations, and government clients across Australia and beyond. Klyp's capabilities span responsive website development, SEO and SEM, social media marketing, email and SMS campaigns, and comprehensive branding and creative design work tailored to each client's audience and objectives. The agency positions itself at the intersection of creative design thinking and technical execution, helping clients navigate a digital landscape that can change overnight while maintaining a consistent, collaborative approach to every engagement. With more than two decades of experience and a client base spanning commercial, educational, and government sectors, Klyp has built a reputation as a reliable, full-service digital marketing and development partner.

View Klyp Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Brisbane, Australia

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Digital Marketing

  • 25% Web Design

  • 25% Web Development

  • 20% Product Engineering services

  • 20% Ecommerce Development

Create change.

Studio Alt is a trusted technology and digital innovation company delivering tailored solutions for businesses seeking scalable growth. The team specializes in strategy, product development, software engineering, user experience, and modern digital transformation services. By combining technical expertise with a collaborative approach, the company helps startups, SMEs, and enterprises build reliable, high-performance solutions that improve operational efficiency and customer engagement. Studio Alt is a product design and development agency based in Melbourne, Australia. Specialising in Shopify and E-Commerce, we love building brands and products. We pride ourselves on our multi-disciplinary team, delivering innovative solutions thro With a strong focus on quality, innovation, agile delivery, and long-term partnerships, Studio Alt provides end-to-end consulting and development services designed to accelerate business success across competitive markets.

View Studio Alt Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

Prahran, Australia

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Digital Marketing

  • 20% Product Engineering services

  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 10% Web Design

We design, build, & grow digital products that drive business growth.

The Product Agency is a trusted technology and digital innovation company delivering tailored solutions for businesses seeking scalable growth. The team specializes in strategy, product development, software engineering, user experience, and modern digital transformation services. By combining technical expertise with a collaborative approach, the company helps startups, SMEs, and enterprises build reliable, high-performance solutions that improve operational efficiency and customer engagement. We design, build, & grow digital products that drive business growth. We combine the best of strategic design, digital agencies, and product management to deliver results for you. Whether it is a new or an existing product, we provide services and su With a strong focus on quality, innovation, agile delivery, and long-term partnerships, The Product Agency provides end-to-end consulting and development services designed to accelerate business success across competitive markets.

View The Product Agency Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Sydney, Australia

Location

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 6% Digital Marketing

  • 30% Artificial Intelligence

  • 16% Web Design

  • 16% Software Development

  • 11% Web Development

  • 11% Mobile App Development

  • 5% IT Services

  • 5% Business Services

Your Next Move

HD Connex is a digital marketing and technology agency delivering innovative online solutions to help businesses grow their digital footprint and connect with their target audiences more effectively. The agency provides a comprehensive range of services including website development, digital advertising, SEO, and strategic digital marketing tailored to the unique goals of each client. With a commitment to quality execution and measurable outcomes, HD Connex partners with businesses across industries to design and implement digital strategies that generate leads, increase brand visibility, and drive sustainable revenue growth. The team combines technical expertise with creative thinking to deliver cohesive digital experiences that make a lasting impact.

View HD Connex Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

Daytona Beach, USA

Location

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 5% Digital Marketing

  • 10% Ecommerce Development

  • 10% Mobile App Development

  • 10% Software Development

  • 10% Web Development

  • 10% Blockchain Development

  • 10% Internet of Things

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

  • 10% CMS

  • 5% IT Services

Plan Driven. Be ready for tomorrow's business world, today.

Founded in 2014, Ordex Technology Solutions (OTS) is a trusted software development company delivering high-quality, customized IT solutions for businesses worldwide. We specialize in custom software development, eCommerce websites, mobile app development (Android & iOS), and seamless integrations such as QuickBooks and marketplace automation. Our team provides end-to-end services—from requirement analysis and solution design to development, deployment, and ongoing support. We help businesses maximize IT value, streamline operations, and adapt to evolving market demands. With a strong focus on innovation, quality, and client satisfaction, OTS delivers scalable, secure, and performance-driven solutions that empower organizations to achieve sustainable growth and long-term success.

View Ordex Technology Solution Inc Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Cerritos, USA

Location

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 5% Digital Marketing

  • 60% Web Development

  • 30% Ecommerce Development

  • 5% Cloud Computing Services

Creative digital solutions that drive results

Layer One Media is a full-service digital agency offering creative and technology-driven solutions to help brands grow their online presence and achieve their business goals. The agency provides a range of services including web design, web development, digital marketing, SEO, social media marketing, and pay-per-click advertising. Layer One Media combines strategic thinking with compelling creative execution to build effective digital experiences for clients across multiple industries. The agency's team of designers, developers, and marketers work collaboratively to deliver integrated campaigns and digital products that generate measurable results and long-term brand value.

View Layer One Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$50,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Milwaukee, USA

Location

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

0

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 0% Digital Marketing

  • 100% Ecommerce Development

  • 0% Web Development

  • 0% Web Design

  • 0% CMS

Igniting Brand Potential Through Design, Web Development, and SEO Marketing

Brandastic represents a leading tier digital business engineering and commerce transformation firm specializing in building resilient, modern direct-to-consumer ecosystems. By deploying highly optimized web applications and customized cloud platform configurations, the technical group acts as a primary innovation catalyst for fast-scaling global enterprises. Their engineers focus closely on minimizing application layers, integrating decoupled or headless frontend architectures, and aligning complex enterprise resource planning data feeds directly to the custom checkout flow. Through careful optimization of user interaction mechanics, conversion-focused layout design, and programmatic data tracking frameworks, Brandastic ensures its commercial clients can capture direct zero-party data, scale effortlessly during sudden traffic surges, and maximize lifetime value among consumer segments. Ultimately, the organization bridges the structural divide between complex modern enterprise technology and intuitive brand storytelling architectures, crafting digital retail models that consistently produce higher margins and long-term customer loyalty.

View Brandastic Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Costa Mesa, USA

Location
Pagination
1
...
119
120
121
122
Pagination

Buyer's Guide

Jane Hart Written by
calendar-icon Updated:
clock-icon

12 min read

What is SEO?

Search engine optimisation (SEO) is the process of enhancing your website so a search engine can crawl, index, and rank it more effectively. 

Many businesses choose to hire an SEO company instead of handling everything internally because expert teams bring proven frameworks, specialist tools and measurable results.

SEO rests on three primary pillars: technical SEO services (ensuring site speed, mobile-responsiveness, and crawlability), on-page optimisation (content, metadata, keywords) and off-page SEO strategies such as link building services and authority signals. 

Engaging a specialist SEO optimisation agency can deliver deeper expertise across all three pillars, helping you attract more organic traffic and drive more conversions. 

According to recent industry benchmarks, over 53% of website traffic comes from organic search. [Sources: ahrefs ]

What do SEO agencies do?

SEO agencies differ by focus: local vs global markets, small business vs enterprise clients, or platform-specific expertise (e-commerce SEO agencies, multilingual SEO services, SaaS SEO specialists). 

A dedicated SEO agency offers a clear set of technical and strategic services:

  • Audit & review: A full site assessment pinpoints issues and opportunities (crawl errors, broken links, speed).
  • Keyword research & strategy: Deep analysis of terms your audience uses plus competitor gaps.
  • On-page optimisation: Updating tags, headings, structure and content to align with target keywords.
  • Technical SEO: Improvements like site structure, mobile performance, indexing, and schema markup.
  • Content marketing and strategy: Development of blog posts, landing pages and supporting assets to drive relevance through partnering with content marketing agencies.
  • Link building & off-site SEO: Building authority via backlinks, digital PR and citations.
  • Reporting, metrics & continuous adaptation: Monitoring KPIs and refining strategy based on data.

With the market projected to reach over USD 140 billion by 2029, choosing a partner tailored to your scale and goals matters. (Sources: researchandmarkets)

How long does it take to see results from SEO services?

You can expect initial signs of improvement in about 3 to 6 months, but significant gains often take 6 to 12 months or more.

Why does it take time

  • The initial phase involves technical audits, keyword mapping, and fixing crawl or index issues.
  • Next comes building authority: content creation, link acquisition and improved user metrics. This often spans months 3-6.
  • For new domains or highly competitive niches, meaningful results can take 6-12+ months.

Why you should avoid “#1 on Google tomorrow” promises

  • These guarantees ignore the reality of algorithm updates, ranking competition, and site history.
  • One study found that pages ranking in the top 10 are, on average, ~2 years old, and pages ranking #1 are ~3 years old. [Sources: WebFX+1]

Ongoing maintenance and algorithm changes

SEO isn’t a one-time setup; it’s a continuous process. Factors worth noting:

  • Search engines like Google frequently update their algorithms, which can affect rankings and require adjustments.
  • Your website’s technical health, content relevance, and backlink profile must be maintained and refreshed.
  • Regular reporting and strategy tweaks help track progress and respond to shifts.

Bottom line: Go in with realistic expectations, initial gains in 3-6 months, and more solid results by months 6-12

Patience + consistent effort = sustainable growth.

How much do SEO services cost?

A reliable benchmark: hourly rates generally range from $50 to $150, and monthly retainers average $1,000 to $2,500 for many mid-sized clients. (Sources: Backlinko)

Here’s a brief breakdown by region:

  • USA: Hourly rates often run $75-$200+, and monthly retainers typically range $2,000-$5,000+ for competitive markets.
  • UK: Hourly fees often start at £60-£120, while retainers roughly align with the U.S. mid-tier when converted.
  • India: Much lower rates, hourly work commonly around $25-$60, and monthly packages may start near $500-$1,000 for smaller clients.

What drives the cost?

  • Website size and technical complexity (e-commerce vs. 5-page brochure site)
  • Competition level for keywords and industry niche
  • Volume of content and link-building required
  • Geographic target (local vs. national vs. global)
  • Quality and specialization of the provider

How to budget and what to expect

  • For light local SEO, expect $500- $1,500/month in most markets.
  • For more standard full-service SEO: plan for $2,000-$5,000/month in competitive markets.
  • For project-based work (audit, migration): one-time fees often $1,000-$10,000+ depending on scope.

By understanding your region’s typical rates and the factors that influence them, you can align your budget expectations and choose an SEO partner that aligns with your goals and scale.

How do SEO agencies measure success and report results?

SEO agencies typically measure success by tracking metrics that matter to your business. This gives you insight into how your investment performs.

Key Performance Indicators (KPIs) to request:

  • Organic traffic: Sessions from unpaid search results.
  • Keyword positions: Where your site ranks for target terms.
  • Conversions: The actions visitors take (sales, sign-ups) from organic traffic.
  • Backlinks / referring domains: Quality links pointing to your site; a higher authority can boost rankings through strategic link-building campaigns.
  • Engagement metrics: Bounce rate, session duration, and pages per session all indicate how users interact with your site.

What good reporting looks like

  • Regular, transparent reports (e.g., monthly) with clear numbers and comparisons.
  • Actionable insights, not just data—what changed, why it matters, and what’s next.
  • Customised dashboards that align with your goals (traffic, conversions, market expansion).

How to compare reports across different SEO companies

  • Check consistency: Are the same KPIs shared across providers?
  • Compare trend data, not just one-time snapshots—growth over time is more reliable.
  • Ensure the context is included: what actions were taken and how they influenced results.
  • Ask for case studies or sample reports to compare narrative quality and transparency.

By emphasising the right KPIs and clear reporting, you can better assess how well an SEO agency is delivering real business value.

What makes a good SEO company different from others?

A top-tier SEO company stands apart by delivering sustainable results, not hype. It backs every claim with documented case studies, reviews, and industry-specific experience. 

What you should look for:

  • Proven track record: Look for real project outcomes, measurable lifts in traffic, keyword rankings, and conversions.
  • Ethical methods: The best agencies avoid shortcuts like link buying or keyword stuffing and adhere strictly to white-hat practices.
  • Customisation: Strategies tailored to your business’s tech stack, market scope, and goals—not cookie-cutter packages.
  • Communication & transparency: Clear contracts, defined deliverables, regular updates, and dashboards built around YOUR KPIs.
  • Longevity & adaptability: They evolve with algorithms, market shifts, and emerging platforms—so your SEO outcome is future-proof.

Choosing an agency that meets all these criteria means you’re not just buying a service, you’re entering a strategic partnership.

How do you compare and select among the top SEO agencies worldwide?

Start by clearly defining your business goals, setting a realistic budget, and identifying a shortlist of qualified SEO agencies.

Key steps to follow:

  • Review case studies and client reviews to gauge performance in your industry and geography.
  • Check platform and market expertise: Does the firm specialise in your CMS (WordPress, Shopify SEO specialists, Magento), multilingual sites, or global expansion?
  • Examine deliverables, contract terms and exit strategy: What exactly happens when the engagement ends? Are the terms clear?
  • Decide and onboard smartly: Choose a partner, then align on reporting cadence, milestones, and responsible contact points.

Final tip

SEO is a long-term investment—not a one-time fix. Prioritise a strategic partner, not just a vendor. The right choice will scale with you, adapt to changes, and deliver consistent outcomes.

What should you ask when evaluating SEO companies?

Begin with clarity: ask how your goals will align with the team’s approach, and what success means for your business.

Here are essential questions to steer your discussion:

  • What are your goals, and how will this SEO firm align with them?
  • Can you show me recent case studies relevant to my industry or technology?
  • What exactly is included in your service—technical SEO, content, link building, and what’s excluded?
  • How do you set pricing, and how do you handle scope changes or additional work?
  • What is your reporting frequency and communication style? Who will be my main contact?
  • How do you handle algorithm updates and long-term maintenance for my project?
  • What are the contract terms, and what happens if we part ways early?
  • Are there any guarantees or exit clauses?

Asking these builds trust and transparency. One study found 67% of companies regret their first SEO agency due to weak communication and unclear deliverables. (Sources: Seo Discovery

Choosing a firm that answers clearly and backs up its claims with evidence can protect your investment and improve outcomes.

When is hiring a global SEO agency the right move for my business?

If your brand aims to expand across countries, languages or platforms, then partnering with a global SEO agency makes sense.

Here are key reasons and signals to consider:

  • You’re seeing traffic or opportunity from multiple regions and need multilingual content, hreflang tags, or country-specific domain strategies.
  • Your in-house team can’t keep up with the technical complexities of multi-market SEO, site structure, local backlinks, and market research.
  • A global portfolio and proven experience across several markets bring scale: many marketers say multilingual SEO lowers customer acquisition costs by 20-30%.

What to look out for in global vs local-only SEO agencies

  • Local-only firms may excel in a single city or country, but global-capable agencies manage infrastructures for dozens of markets.
  • Check for proven global wins: case studies across countries, multilingual content, and regional performance metrics.
  • Ensure the agency understands local nuances—search intent, languages, user behaviour, so your global campaign is adapted, not just translated.

If you’re ready to go beyond one market, a global SEO partner can set up the structure, workflows, and localised strategy to scale.

Why Companies Trust SelectedFirms?

SelectedFirms bridges the gap between businesses and digital service providers as a trusted B2B research and listing platform. With the trust of 14,000+ companies and a growing community of 1M+ users, we empower businesses with reliable insights to make confident decisions.

why_companies_trust_sf_1

Human-verified companies

We manually review companies to ensure they meet our quality standards before they appear on the platform.

why_companies_trust_sf_2

Research-driven rankings

We rank companies using a clear ranking methodology based on real client feedback, expertise, market credibility, and how well teams execute — not hype.

why_companies_trust_sf_3

Always up-to-date insights

We regularly refresh listings with new reviews, portfolio updates, and market changes to keep decisions relevant.

why_companies_trust_sf_4

Verified credibility signals

From verified badges to editorial reviews, we highlight companies that show real commitment to quality and transparency.

SEO Companies FAQs

There is no fundamental differentiation between an "SEO agency" and an "SEO optimization agency", Both provide search-focused services, but an SEO agency may offer wider digital support, while an SEO optimization agency typically emphasizes deep technical improvements, content refinement, and ranking growth. 

The distinction mainly reflects branding rather than a fundamentally different service model.

Choose based on goals, budget, and competitiveness. Large campaigns, multiple markets, or aggressive timelines suit top-tier providers. 

Smaller firms work well for limited scopes, early-stage websites, or local visibility. Match capabilities to business needs for the best value.

No legitimate provider can guarantee #1 rankings. Algorithms change often, competitors shift strategy, and ranking factors evolve. 

Ethical agencies focus on long-term improvements, transparent processes, and measurable growth rather than unrealistic promises that overlook the true complexity of search engines.

A capable firm should handle WordPress, Shopify, Magento, custom CMSs, and headless platforms. 

They must understand technical SEO, structured data, site speed, multilingual setups, and mobile optimization to ensure consistent visibility across devices, regions, and content frameworks.

Most agencies provide monthly reports summarising traffic, rankings, conversions, and completed tasks. Some offer weekly snapshots for active campaigns. 

Reporting should be clear, consistent, and aligned with your KPIs so you always understand progress, challenges, and upcoming action items.

Beware of guaranteed rankings, extremely low prices, vague deliverables, no case studies, poor communication, or black-hat tactics. 

These signals often indicate risky practices that may harm visibility, create penalties, or waste budget without delivering meaningful, sustainable performance improvements.

International agencies manage multilingual content, hreflang, country-specific search trends, and multi-domain setups. Local agencies focus deeply on regional intent and competition. 

Your choice depends on target markets, required languages, and whether your growth strategy extends beyond one geographic location.

You’ll need clear access to handover reports, content files, credentials, and technical documentation. Transitioning smoothly prevents ranking loss. 

Ensure ownership of assets, verify data portability, and request a structured plan so the new team can continue progress without disrupting existing momentum.

Author Profile & Expertise

author

Head Of Digital Marketing