Top SEO Agencies in the USA: Indianapolis, San Francisco, Seattle, Denver, Oklahoma City

Indianapolis, IN (Population: 879,293)

Proof Digital

Website: proofdigital.com

Founded: 2012

Headquarters: Indianapolis, Indiana

Phone: (317) 537-0488

Team Size: 11+

Leadership: Stacie Porter Bilger (President & Founder)

Ratings: 5.0 on Google, highly rated on Semrush Agency Partners

Pricing: $2,500-$5,000 project minimum

Certifications & Partnerships: BigCommerce Partner, data-driven marketing methodology

Core Services:

• Search Engine Optimization (SEO)
• Pay-Per-Click Advertising (PPC)
• Content Marketing
• E-commerce Marketing
• Website Design & Development
• Lead Generation
• Competitive Intelligence
• Email Marketing

Industry Specializations:

• E-commerce
• Manufacturing
• Healthcare
• Professional Services
• Local Business

Notable Clients: The Stone Center, Meyer Najem, State Safety, Estes Designs, Donovan CPAs

Proprietary Technology: Custom analytics dashboards, competitive intelligence tools, Proof Point Podcast for industry insights

Key Differentiators: Proof Digital was built on decades of experience in economic development and go-to-market strategies. Founder Stacie Porter Bilger spent 20 years working with Chambers of Commerce and organizations like the Indiana Venture Center, developing business strategies for hundreds of companies. The agency blends modern marketing tools (SEO, PPC, paid social, content marketing) with traditional sales funnel processes. Their data-driven approach has helped clients triple online sales through targeted SEO efforts, with a focus on understanding who buys products and why.

Client Testimonial: “Worked with a number of digital marketing agencies that got some results, but Proof Digital tripled our online sales through their SEO efforts. They know what they are doing.” — Indianapolis Business Client

Valve+Meter Performance Marketing

Website: valveandmeter.com

Founded: 2017

Headquarters: 10475 Crosspoint Blvd, Suite 405, Indianapolis, Indiana 46256

Phone: Contact through website

Team Size: 11-50 employees

Leadership: Marcia Barnes (Founder/CEO)

Ratings: Three-time Best Places to Work in Indiana winner, highly rated on Clutch and UpCity

Pricing: $5,000+ project engagements, $5,000+ monthly retainers

Certifications & Partnerships: Math-Before-Marketing™ methodology, ThinkFirst™ process

Core Services:

• Search Engine Optimization (SEO)
• Pay-Per-Click Advertising (PPC)
• Content Marketing
• Conversion Rate Optimization (CRO)
• Web Design & Development
• Email Marketing
• Outbound B2B Lead Generation
• Account-Based Marketing (ABM)

Industry Specializations:

• Home Services (HVAC, Plumbing, Roofing)
• Industrial & Manufacturing
• Construction
• Professional Services
• Finance
• Heavy Machinery

Notable Clients: Bone Dry Roofing, Doc Dancer HVAC, enterprise and mid-market B2B companies

Proprietary Technology: ThinkFirst™ discovery and planning methodology, Math-Before-Marketing™ framework, custom ROMS (Return on Marketing Spend) tracking

Key Differentiators: Valve+Meter was founded to bring transparency and accountability to digital marketing. Their approach positions marketing as a growth lever rather than a cost center, with campaigns tied directly to revenue and ROMS. The 2024 acquisition of Pneuma Media expanded capabilities while maintaining their focus on long-term partnerships and measurable results. The agency combines outbound B2B lead generation with full-funnel digital marketing, serving small to mid-market B2B and service-driven companies across multiple locations nationwide.

Client Testimonial: “We have been using Valve+Meter for the last six months primarily for PPC and SEO. Within two weeks of site improvements, we improved our total website visitor count 2x. I feel confident in their abilities and their alignment with our goals.” — Bone Dry Roofing

San Francisco, CA (Population: 808,988)

Victorious

Website: victorious.com

Founded: 2013 (SEO-focused pivot in 2016)

Headquarters: 995 Market Street, San Francisco, California 94103

Phone: Contact through website

Team Size: 51-200 employees (distributed workforce nationwide)

Leadership: Michael (Founder & CEO)

Ratings: 4.9 on Clutch (118+ reviews), 98% customer rating, 5-Time SEO Agency of the Year

Pricing: Premium pricing, enterprise-level engagements

Certifications & Partnerships: Named 2024 SEO Agency of the Year by Search Engine Land, featured in Forbes, Fox News, NBC, CBS

Core Services:

• Search Engine Optimization (SEO)
• Technical SEO Audits
• Answer Engine Optimization (AEO)
• Content Strategy & Creation
• Link Building
• Conversion Rate Optimization (CRO)
• Enterprise SEO
• E-commerce SEO

Industry Specializations:

• Fintech
• SaaS
• Healthcare
• E-commerce
• Higher Education
• Legal Services
• Enterprise Technology

Notable Clients: Salesforce, SoFi, GE Digital, Yahoo, ClassDojo, Pagerduty, Save The Music Foundation

Proprietary Technology: Live dashboards tracking Organic Traffic Value, AI citations, entity recognition strength; systematic SEO framework combining SEO and AEO

Key Differentiators: Victorious made a defining strategic decision in 2016 to abandon all other digital marketing services and focus exclusively on SEO. This “hard pivot” enabled them to develop a search-first framework that expands SEO’s potential by integrating content and web services. They’ve served over 600 brands while maintaining a 98% customer rating. Their approach creates “compounding ROI” through long-term campaigns that establish sustainable, repeatable SEO systems. The distributed workforce model attracts top talent nationwide while maintaining operational efficiency across multiple time zones.

Client Testimonial: “What I couldn’t get done with my previous SEO partner, they managed to do within the first month and doubled my organic search traffic. They are the ‘nerds of the nerds’ in terms of an SEO company in San Francisco.” — San Francisco Client

Cyrusson Inc.

Website: cyrusson.com

Founded: 2010s

Headquarters: San Francisco, California

Phone: Contact through website

Team Size: Small to mid-size boutique agency

Leadership: Experienced digital marketing professionals

Ratings: Highly rated on local directories, strong client satisfaction

Pricing: Custom pricing based on project scope

Certifications & Partnerships: Bay Area business community member

Core Services:

• Search Engine Optimization (SEO)
• Local SEO
• Content Marketing
• Social Media Management
• Marketing Automation
• Website Development
• Brand Strategy

Industry Specializations:

• Small to Mid-sized Businesses
• Startups
• Professional Services
• Technology Companies
• Local San Francisco Businesses

Notable Clients: Bay Area startups and established businesses

Proprietary Technology: Custom SEO analytics and reporting tools

Key Differentiators: Cyrusson Inc. operates as a boutique digital marketing agency focused on helping businesses improve and develop their marketing strategies. Their approach emphasizes enhancing online visibility and customer acquisition through personalized service and deep understanding of the San Francisco market. The agency provides comprehensive SEO solutions that range from technical optimization to content development, with particular expertise in helping local businesses compete in the competitive Bay Area landscape.

Client Testimonial: “They helped us understand our data capturing and reporting as well as on-site and off-site SEO. Highly recommend their services.” — San Francisco Business Owner

Seattle, WA (Population: 755,078)

Bonsai Media Group

Website: bonsaimediagroup.com

Founded: 2008

Headquarters: 1700 Westlake Ave N, Suite 200, Seattle, Washington 98109

Phone: (206) 528-2515

Team Size: Approximately 35 employees

Leadership: Jason LaBaw (CEO & Co-Founder), Gus Zadra (Co-Founder), Elliott Omlin (Co-Founder)

Ratings: 4.9 on Clutch (16+ reviews), 2023 Global Award winner on Clutch

Pricing: $10,000-$130,000 per project, $150-$199/hour

Certifications & Partnerships: Umbraco Platinum Contributing Partner, Cloudflare Partner, HubSpot certified

Core Services:

• Search Engine Optimization (SEO)
• Pay-Per-Click Advertising (PPC)
• Web Design & Development
• Amazon Marketing
• Web App Development
• Branding & Video Production
• AR/VR Development
• Social Media Marketing

Industry Specializations:

• Technology
• Healthcare
• Nonprofit Organizations
• Fashion & E-commerce
• Professional Services
• Enterprise Businesses

Notable Clients: Seattle’s Union Gospel Mission, CTG, BDA LLC, Run Studios, JobInfoNetwork

Proprietary Technology: Custom Umbraco CMS implementations, 3D product configurators, AR applications, React/Next.js web applications

Key Differentiators: Bonsai Media Group evolved from a web design specialist in 2008 to a full-service Seattle marketing agency by 2016. Their global talent model allows teams across multiple time zones to work continuously on projects. As an Umbraco Platinum Partner with over 15 years of CMS expertise, they deliver technically sophisticated solutions that combine marketing and development under one roof. The agency has built websites achieving 300% increases in new users through integrated SEO and won recognition for AR/VR development capabilities.

Client Testimonial: “Bonsai has been excellent at running our paid ads, helping us reach the right people and get more attention. I’ve worked with my fair share of designers and web developers and SEO agencies over the years. Working with Bonsai was pure, uncut ‘joy.'” — Long-term Client

Fannit

Website: fannit.com

Founded: 2010

Headquarters: Everett, Washington (Seattle Metro Area)

Phone: Contact through website

Team Size: Full-service team

Leadership: Experienced digital marketing professionals

Ratings: 5.0 on Clutch, highly rated on UpCity

Pricing: Custom pricing based on scope

Certifications & Partnerships: Google Partner, HubSpot certified

Core Services:

• Search Engine Optimization (SEO)
• Content Marketing
• Email Marketing
• Pay-Per-Click Advertising (PPC)
• LinkedIn PPC
• Keyword Research
• Website Development
• Inbound Marketing

Industry Specializations:

• Industrial Services
• Tax Consulting
• B2B Services
• Professional Services
• Manufacturing
• Local Seattle Businesses

Notable Clients: Industrial tax consulting firms, professional services companies

Proprietary Technology: Comprehensive SEO analytics and content marketing frameworks

Key Differentiators: Fannit has established itself as a trusted digital marketing partner in the Seattle metro area, providing comprehensive SEO and content marketing services. Their approach combines technical SEO expertise with strategic content development and email marketing integration. The agency focuses on delivering measurable results for B2B and professional services clients, with particular strength in industrial and consulting sectors. Their full-service model allows clients to consolidate digital marketing efforts under one experienced team.

Client Testimonial: “Fannit provides digital marketing services including content marketing, email marketing, SEO, and PPC. The team conducts keyword research and runs LinkedIn PPC campaigns effectively.” — Industrial Tax Consulting Client

Denver, CO (Population: 716,577)

Firestarter SEO

Website: firestarterseo.com

Founded: 2009 (15+ years in operation)

Headquarters: 4700 S. Syracuse Street, Suite 460, Denver, Colorado 80237

Phone: Contact through website

Team Size: Small dedicated team (5-10 core members)

Leadership: Skyler Malley (Founder & Owner), Kyle Carney (Director of Sales/CFO), Jeff Porter (Business Development)

Ratings: 4.8 on Google, 4.9 on Clutch (18+ reviews), #2 Denver SEO Agency on Clutch

Pricing: $800-$5,000/month, annual investments typically $30,000-$40,000

Certifications & Partnerships: Semrush Agency Partner, data-driven methodology

Core Services:

• Search Engine Optimization (SEO)
• Local SEO
• Technical SEO
• Pay-Per-Click Advertising (PPC)
• Content Marketing
• Link Building
• Voice Search Optimization
• Mobile SEO

Industry Specializations:

• Dental Practices
• Orthodontics
• Insurance Agencies
• Small to Mid-sized Businesses
• Healthcare
• Professional Services
• Local Denver Businesses

Notable Clients: Metropolitan Denver orthodontic practices, insurance agencies, local Colorado businesses

Proprietary Technology: Custom monthly reporting dashboard, 24/7 performance tracking, proprietary SEO framework

Key Differentiators: Firestarter SEO has served the Denver community for over 15 years, building thousands of strategies that drive real ROI. Founded on Skyler Malley’s vision for local business growth, the agency started as a partner for small businesses and has since expanded nationwide. Their proven framework customizes SEO services around three core areas: Technical SEO, On-Page SEO, and Link Building. The agency maintains client retention rates twice the industry average, demonstrating both performance and trust. They emphasize integrity and transparency in an industry that often lacks both.

Client Testimonial: “In 2018, I had around 300 patients I received through the web. This year, even with the pandemic, I will have over 500 or 600 patients who found me through the web. We truly feel like this company ‘has our back.'” — Denver Orthodontic Practice

Epidemic Marketing

Website: epidemic-marketing.com

Founded: 2009

Headquarters: Denver, Colorado

Phone: Contact through website

Team Size: Full-service team

Leadership: Noah (CEO and principal strategist)

Ratings: BBB A+ rated, strong Google reviews

Pricing: Starting at $2,499/month for comprehensive packages

Certifications & Partnerships: Google My Business optimization specialist

Core Services:

• Search Engine Optimization (SEO)
• Technical On-Page SEO
• Google My Business Optimization
• Schema Markup
• Citation Creation
• Backlink Management
• Content Creation & Optimization
• Conversion Rate Optimization
• Page Speed Improvement
• Website Design

Industry Specializations:

• Legal (Personal Injury)
• Healthcare
• Local Colorado Businesses
• Professional Services
• Small to Mid-sized Businesses

Notable Clients: California personal injury law firms, Colorado local businesses

Proprietary Technology: Custom SEO monitoring and audit tools, comprehensive reporting systems

Key Differentiators: Epidemic Marketing has positioned itself as a Denver SEO agency that keeps pace with the constantly changing search landscape. Their approach drives performance through marketing and design efforts tailored to specific industries, brands, and market positioning. The agency focuses on driving phone calls, sales, and overall ROI through a time-tested strategy that includes Google My Business optimization, technical on-page SEO, schema markup, and ongoing optimization. They consistently monitor, audit, and improve optimization on every relevant page throughout campaigns.

Client Testimonial: “These guys are amazing partners in our business. We have an awesome plan for 2024 and I believe we’re going to dominate our industry with their help at creating awareness and inbound traffic. SEO is not fake and not all SEO companies are created equally. With Noah and his expertise we are able to dominate the local map pack in the highly competitive field.” — California Personal Injury Law Firm

Oklahoma City, OK (Population: 702,767)

IronChess SEO + Marketing

Website: ironchessseo.com

Founded: 2010s

Headquarters: Oklahoma City, Oklahoma

Phone: Contact through website

Team Size: Specialized team

Leadership: Experienced SEO professionals

Ratings: 5.0 on Google (19+ reviews)

Pricing: Custom pricing based on industry and scope

Certifications & Partnerships: Pest control industry specialist

Core Services:

• Search Engine Optimization (SEO)
• Local SEO
• Pay-Per-Click Advertising (PPC)
• Website Design
• Content Marketing
• Google My Business Optimization
• Reputation Management

Industry Specializations:

• Pest Control
• Home Services
• Local Oklahoma Businesses
• Service-based Industries

Notable Clients: Pest control companies across Oklahoma

Proprietary Technology: Industry-specific SEO frameworks for service businesses

Key Differentiators: IronChess SEO + Marketing has carved out a unique niche as a specialized digital marketing agency excelling in the pest control industry. Their focused approach allows them to develop deep expertise in the specific keywords, customer behaviors, and competitive landscapes that matter most to their target industries. The agency combines SEO with comprehensive digital marketing to boost online presence for businesses in Oklahoma City and beyond, with particular strength in local search optimization for service-based companies.

Client Testimonial: “These guys are great! They have helped my business since the very beginning. Highly recommend for any service-based business looking to grow their online presence.” — Oklahoma City Business Owner

Outpace SEO

Website: outpaceseo.com

Founded: 2020

Headquarters: The Village, Oklahoma (Oklahoma City Metro)

Phone: Contact through website

Team Size: Team of computer scientists

Leadership: Data scientists and algorithm specialists

Ratings: 5.0 on Google (8+ reviews), recognized on DesignRush

Pricing: Custom pricing based on goals and scope

Certifications & Partnerships: Scientific approach to Google algorithm understanding

Core Services:

• Search Engine Optimization (SEO)
• Technical SEO
• On-Page Optimization
• Content Marketing
• Local SEO
• Link Building
• Website Audits

Industry Specializations:

• Technology Companies
• Professional Services
• Local Oklahoma Businesses
• E-commerce
• B2B Services

Notable Clients: Oklahoma City metro businesses across various industries

Proprietary Technology: Data-driven SEO methodology based on deep understanding of search engine algorithms

Key Differentiators: Outpace SEO distinguishes itself with a team of computer scientists who possess an in-depth understanding of search engine algorithms. Their scientific approach to SEO focuses on the metrics that matter most, ensuring a long-term vision for digital success. The agency emphasizes data-driven results through comprehensive analysis and strategic implementation. Founded in 2020, Outpace brings fresh perspective and modern techniques to the Oklahoma City market while maintaining focus on sustainable, white-hat SEO practices that deliver lasting results.

Client Testimonial: “Outpace SEO stands out with their scientific understanding of Google’s algorithm. They focus on data-driven results and have a comprehensive approach to everything from on-page SEO to content marketing.” — Oklahoma City Client

Extended Summary Comparison

Extended Recommendations by City

Indianapolis, IN:

• E-commerce and lead generation focus: Proof Digital
• B2B and home services with performance marketing: Valve+Meter

San Francisco, CA:

• Enterprise clients and SaaS companies needing AEO: Victorious
• Startups and SMBs seeking boutique Bay Area service: Cyrusson Inc.

Seattle, WA:

• Tech companies needing web development and SEO integration: Bonsai Media Group
• B2B and industrial clients with content marketing needs: Fannit

Denver, CO:

• Dental practices and local businesses: Firestarter SEO
• Legal firms and competitive local markets: Epidemic Marketing

Oklahoma City, OK:

• Pest control and home services industries: IronChess SEO + Marketing
• Data-driven technical SEO approach: Outpace SEO