Top 10 SEO Keyword Research Tools for Agencies

Keyword Research Tools

(SEO) plays a crucial role in the success of online businesses. A key component of effective SEO is keyword research, which involves identifying the right keywords to target in order to improve search engine rankings and drive organic traffic.

For agencies handling SEO for clients, having access to the best keyword research tools is essential. In this article, we will explore the top 10 SEO keyword research tools that agencies can utilize to enhance their strategies and deliver outstanding results.

1. SEMrush

SEMrush is a comprehensive SEO tool that offers a wide range of features, including an advanced keyword research tool. With its vast keyword database and competitive analysis capabilities, SEMrush enables agencies to identify high-volume keywords, analyze keyword difficulty, and discover new keyword opportunities. It also provides valuable insights into competitors’ keyword strategies, allowing agencies to stay one step ahead.

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2. Ahrefs

Ahrefs is another popular SEO tool that excels in keyword research. Its Keywords Explorer tool provides in-depth keyword data, including search volume, keyword difficulty, and click-through rates. Additionally, Ahrefs offers features like “Content Gap” analysis, which helps agencies identify keyword opportunities that competitors are ranking for but they aren’t. The tool’s comprehensive data and user-friendly interface make it a valuable asset for agencies.

3. Moz Keyword Explorer

Moz Keyword Explorer is a powerful keyword research tool that offers accurate search volume data and valuable keyword suggestions. With its intuitive interface, agencies can quickly identify relevant keywords and prioritize them based on their potential impact. Moz Keyword Explorer also provides helpful metrics like organic click-through rates, allowing agencies to choose keywords that are more likely to drive traffic and conversions.

4. Google Keyword Planner

As the name suggests, Google Keyword Planner is a tool directly provided by Google, making it a reliable choice for agencies. It offers insights into search volume, competition level, and keyword trends. Google Keyword Planner is particularly useful for agencies targeting specific geographic locations or running Google Ads campaigns alongside their SEO efforts. It allows agencies to identify keywords that align with their clients’ target audience and search behavior.

5. Long Tail Pro

Long Tail Pro is a specialized keyword research tool that focuses on long-tail keywords, which are longer and more specific keyword phrases. These keywords often have less competition and higher conversion rates. Long Tail Pro assists agencies in finding profitable long-tail keywords by providing comprehensive data, including keyword difficulty, search volume, and keyword suggestions. It also offers a rank tracker feature to monitor keyword rankings over time.

6. Ubersuggest

Ubersuggest is a free keyword research tool that provides valuable insights for agencies on search volume, keyword difficulty, and related keyword suggestions. With its user-friendly interface and extensive keyword data, Ubersuggest is an excellent choice for agencies on a budget. It allows agencies to discover new keyword ideas and refine their strategies to maximize organic traffic and visibility.

7. is a versatile keyword research tool that generates keyword suggestions from various sources, including Google Autocomplete. It provides agencies with a comprehensive list of long-tail keywords, along with search volume data and keyword trends. also offers keyword suggestions for different platforms such as YouTube, Bing, and Amazon, making it suitable for agencies working across multiple channels.

8. SpyFu

SpyFu is a competitive intelligence tool that offers valuable insights into competitors’ keyword strategies. It allows agencies to view the keywords their competitors are ranking for, analyze their ad copy, and uncover new keyword opportunities. SpyFu also provides historical data, enabling agencies to track keyword performance over time and make informed decisions to stay ahead of the competition.

9. SERPstat

SERPstat is an all-in-one SEO platform that includes a robust keyword research tool. It offers comprehensive data on search volume, keyword difficulty, and related keywords. SERPstat’s unique “Tree View” feature provides a visual representation of keyword relationships, helping agencies discover semantically related keywords and optimize their content for better search engine visibility.

10. Keyword Explorer by Mangools

Keyword Explorer by Mangools is a user-friendly keyword research tool that offers valuable keyword insights for agencies. It provides data on search volume, keyword difficulty, and SERP analysis. Keyword Explorer also offers additional features like “Keyword Lists” and “Competitor Keywords,” which assist agencies in organizing and refining their keyword strategies effectively.


Q1: What are the best SEO keyword research tools for agencies?

A1: The best SEO keyword research tools for agencies include SEMrush, Ahrefs, Moz Keyword Explorer, Google Keyword Planner, Long Tail Pro, Ubersuggest,, SpyFu, SERPstat, and Keyword Explorer by Mangools.

Q2: Can I use multiple keyword research tools simultaneously?

A2: Yes, using multiple keyword research tools can provide a more comprehensive and diverse range of keyword insights. Each tool has its strengths and unique features, so combining them can enhance your keyword research strategy.

Q3: Are these keyword research tools suitable for beginners?

A3: Absolutely! While some tools may have more advanced features, most of them offer user-friendly interfaces and provide valuable keyword data that can benefit beginners and experienced SEO professionals alike.

Q4: Are there any free keyword research tools available?

A4: Yes, there are free keyword research tools like Ubersuggest and that offer valuable keyword insights at no cost. While they may have limitations compared to premium tools, they can still be highly useful for agencies on a tight budget.

Q5: How important is keyword research for SEO?

A5: Keyword research is a fundamental aspect of SEO. It helps agencies understand their target audience’s search behavior, identify relevant keywords, and optimize their content to improve search engine rankings, organic traffic, and overall online visibility.

Q6: Can these tools help identify keyword opportunities from competitors?

A6: Yes, many keyword research tools, such as Ahrefs, Moz Keyword Explorer, and SpyFu, provide insights into competitors’ keyword strategies. They allow agencies to analyze competitor keywords, discover untapped opportunities, and refine their own keyword targeting.


Selecting the right SEO keyword research tools is crucial for agencies aiming to deliver exceptional results for their clients. The tools mentioned in this article, including SEMrush, Ahrefs, Moz Keyword Explorer, and Google Keyword Planner, among others, offer valuable insights and data to enhance keyword research strategies. By leveraging these tools effectively, agencies can identify the best keywords, outperform competitors, and achieve higher search engine rankings. Stay ahead in the digital landscape by utilizing the power of these top 10 SEO keyword research tools.

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