Indianapolis has grown into a thriving hub for businesses across industries such as healthcare, manufacturing, education, and technology. With increasing competition, it’s no longer enough to simply have a website—companies need a strong online presence to attract customers and remain competitive. That’s where search engine optimization (SEO) comes in.
A skilled SEO agency can help boost your visibility, drive qualified traffic, and generate meaningful business growth. Based on research from Google, Clutch, UpCity, GoodFirms, and other respected sources, we’ve compiled a list of the ten best SEO companies in Indianapolis. Each of these agencies is known for its expertise, client satisfaction, and ability to deliver real results.
1. Breakline
Breakline Agency is an award-winning SEO firm with offices in the UK and USA. Recognised as Best SEO Agency by Clutch for seven consecutive years (2019–2025), Breakline has developed a reputation for excellence in delivering data-driven SEO strategies to businesses worldwide. With over 15 years of expertise, the agency’s certified professionals focus exclusively on SEO, setting them apart from competitors that spread their attention across multiple services.
Their comprehensive approach includes technical SEO audits, keyword optimisation, content refinement, and advanced link-building strategies. What truly sets Breakline apart is their dedication to transparency and education—they ensure clients understand every step of the process and can track their ROI with ease.
Breakline’s consistent recognition by platforms such as UpCity, GoodFirms, and Trustpilot highlights their global credibility. For Indianapolis businesses looking to grow beyond regional borders or dominate local search results, Breakline offers a unique combination of international expertise, ethical white-hat practices, and measurable results.
2. SmartSites
SmartSites is a premier verified digital marketing agency specialising in SEO and website optimisation. With a track record of boosting visibility and generating leads, SmartSites has become one of the most highly rated agencies nationwide. Businesses in Indianapolis benefit from their structured, results-driven campaigns tailored to industry-specific goals.
Their SEO services include keyword research, technical audits, on-page optimisation, and strategic link acquisition. SmartSites is particularly commended for their project management and transparent communication, with clients frequently highlighting their responsiveness and ability to adapt to changing needs.
One of SmartSites’ strengths is integrating SEO with conversion-focused web design. This ensures that the increase in traffic they deliver translates into measurable sales and leads. For Indianapolis companies seeking a partner with national recognition, SmartSites offers the perfect mix of technical expertise and customer-focused service.
3. advancreative
advancreative is a dedicated SEO and creative marketing agency recognised for its commitment to building strong, long-term client relationships. Their work in digital visibility enhancement focuses on combining search optimisation with brand strategy, making them a versatile partner for businesses looking to stand out.
Their SEO services include comprehensive keyword research, on-page optimisation, content development, and performance monitoring. Clients consistently commend advancreative for their responsive communication and strategic insights. They’re known for working closely with clients, fostering genuine partnerships that focus on sustainable growth rather than short-term wins.
For Indianapolis companies that value collaboration, creativity, and measurable outcomes, advancreative provides an effective and personable approach to SEO.
4. Plan Left
Plan Left is a versatile digital agency that combines creative design with effective SEO strategies. Their offerings span web design, branding, and search optimisation, making them a full-service partner for businesses aiming to enhance both visibility and identity.
Plan Left’s SEO campaigns focus on keyword optimisation, technical improvements, content refinement, and link-building strategies. Clients often praise the agency for timely project delivery and a collaborative, personalised approach. They are known for listening carefully to client goals and translating them into customised strategies that deliver results.
For Indianapolis businesses seeking a partner capable of addressing multiple aspects of their digital presence—from branding to SEO—Plan Left offers a holistic solution built on professionalism and adaptability.
5. Intero Digital
Intero Digital is a premier verified SEO agency focused on improving visibility through precise, data-driven optimisation. Their team specialises in keyword research, technical SEO, on-page adjustments, and link-building campaigns designed to strengthen search rankings.
Clients appreciate Intero Digital’s commitment to communication and project management. Reviews highlight their responsiveness and the consistent results they deliver, including improved website rankings and increased organic traffic.
Intero Digital’s emphasis on sustainable growth means they focus on long-term outcomes, rather than chasing quick fixes. For Indianapolis companies that want to grow steadily and sustainably, Intero Digital offers the expertise and structure to achieve meaningful results.
6. Outpace
Outpace is a dedicated SEO firm known for its focus on search engine optimisation and digital visibility. They’ve earned recognition for exceptional project management, delivering campaigns on time, and maintaining proactive communication with clients.
Their services include keyword optimisation, technical SEO, content development, and local search improvements. Clients consistently report significant improvements in search rankings and organic traffic, with Outpace praised for its flexibility in adapting to evolving client needs.
For Indianapolis businesses seeking a reliable partner with strong customer service and measurable results, Outpace offers a dependable choice. Their structured, transparent approach ensures businesses always know where they stand.
7. Boostability
Boostability is an SEO agency that specialises in providing scalable, affordable solutions to small and medium-sized businesses. Their goal is to help companies improve their search rankings and visibility without the hefty price tag.
Their SEO services include keyword targeting, on-page optimisation, link-building campaigns, and local search improvements. Clients commend Boostability for their clear communication and professional project management, noting the agency’s ability to consistently deliver meaningful ranking improvements.
With an emphasis on scalability, Boostability allows campaigns to grow alongside businesses, making them an excellent choice for Indianapolis companies that want to invest gradually while achieving measurable success.
8. Funnel Boost Media
Funnel Boost Media is a premier verified agency with a strong focus on SEO and digital growth. Their expertise includes on-page optimisation, technical SEO, content strategies, and improving website rankings through ethical, data-driven practices.
Clients highlight Funnel Boost Media’s responsiveness, effective project delivery, and ability to achieve significant improvements in visibility and traffic. They are particularly praised for their customer service and clear communication, ensuring clients remain informed throughout the process.
For Indianapolis businesses seeking a partner that combines technical know-how with attentive service, Funnel Boost Media offers a proven path to digital success.
9. Victorious
Victorious is an award-winning SEO agency that focuses exclusively on helping businesses achieve their organic growth goals. They take a transparent and strategic approach, offering clients clear insights into the progress of campaigns and measurable ROI.
Their SEO services include comprehensive audits, keyword research, technical improvements, and link-building. Victorious is well known for its data-driven strategies, which ensure clients see consistent and reliable growth in rankings and traffic.
For Indianapolis companies that want a highly specialised agency with a focus on transparency and measurable outcomes, Victorious provides the expertise and structure to achieve success.
10. HigherVisibility
HigherVisibility is a nationally recognised, full-service digital marketing agency that has worked with businesses across industries. Their services include SEO, PPC, social media management, and web design, making them a versatile partner for companies seeking a broad digital strategy.
Their SEO campaigns include keyword optimisation, content development, technical audits, and link-building. HigherVisibility is praised for its professional project management, responsive communication, and ability to deliver measurable results.
For Indianapolis businesses that want the strength of a nationally recognised agency with proven success across multiple channels, HigherVisibility provides a comprehensive and effective solution.
Bottom Line
Indianapolis is home to a wide variety of SEO agencies, each offering unique strengths and services. From globally recognised leaders like Breakline to versatile full-service firms like HigherVisibility, businesses in the city have access to partners that can help them achieve sustainable digital growth. Whether you’re a small business looking for affordable solutions or an established company seeking national reach, these ten agencies represent the best of what Indianapolis has to offer. Choosing the right partner will depend on your goals and resources, but each of these firms has the expertise to deliver measurable results and lasting impact.
