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What Is an SEO Agency and What Do They Do?

Marketinor

July 10, 2025 - seo

In today’s digital world, appearing on Google can make or break your business. That’s where SEO agencies come in. They help businesses improve their online visibility, attract more traffic, and grow their customer base through Search Engine Optimization (SEO).

Whether you’re a small business owner or part of a large company, understanding what an SEO agency does can help you decide if it’s the right fit for your marketing strategy.


1. What Is an SEO Agency?

An SEO agency is a company that specializes in improving websites so they rank higher on search engines like Google, Bing, and Yahoo.

They use technical skills, content strategies, and data analysis to:

  • Boost search engine rankings

  • Drive organic (free) traffic

  • Increase conversions and sales


2. What Services Do SEO Agencies Offer?

Most SEO agencies offer a range of services, including:

a. Website Audit

  • Checks for technical issues, broken links, site speed, and mobile friendliness

  • Identifies opportunities to improve SEO

b. Keyword Research

  • Finds the best keywords your target audience is searching for

  • Helps you rank for high-value, relevant search terms

c. On-Page SEO

  • Optimizes title tags, meta descriptions, headings, and page content

  • Improves internal linking and page structure

d. Technical SEO

  • Fixes site errors, crawl issues, and improves site architecture

  • Ensures your website meets Google’s technical standards

e. Content Strategy & Creation

  • Develops blog posts, landing pages, and SEO-friendly content

  • Focuses on both users and search engines

f. Link Building

  • Acquires high-quality backlinks from trusted websites

  • Helps build your domain authority and trust

g. Local SEO

  • Optimizes your business for local searches (e.g., “plumber near me”)

  • Manages Google Business Profile, local citations, and reviews


3. Why Hire an SEO Agency?

Here’s how an SEO agency can help your business:

  • Saves time — you focus on your business while experts handle your SEO

  • Expert knowledge — they stay updated with Google algorithm changes

  • Long-term results — SEO builds sustainable traffic and brand authority

  • Improved ROI — organic traffic usually brings higher-quality leads


4. How to Choose the Right SEO Agency

When selecting an SEO agency, look for:

  • Transparent communication

  • Proven results or case studies

  • White-hat (ethical) SEO practices

  • Monthly reporting and regular updates

  • Tailored strategies — not one-size-fits-all packages

Avoid agencies that promise “#1 rankings overnight” — real SEO takes time.


5. What Does It Cost to Hire an SEO Agency?

SEO pricing varies based on:

  • Scope of services

  • Industry competition

  • Agency experience

You might pay:

  • $500–$1,500/month for small business SEO

  • $2,000+ per month for competitive industries or large-scale campaigns


Final Thoughts

An SEO agency can be a powerful partner in growing your online presence, increasing traffic, and boosting sales. The key is to find a reputable agency that understands your goals, uses ethical techniques, and delivers measurable results.