Strong Amazon SEO can help your products rank higher, reach more shoppers, and generate more sales. DesignRush ranks the best Amazon SEO services that optimize listings, keywords, and product visibility. Filter them by expertise, reviews, team size, and rates to find the right partner.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Amazon SEO × Beauty × Under $1,000 ×Clear Filters
  • Your Trusted IT Solutions Partner

    Jasvi Infotech is a leading full-service IT company delivering innovative and scalable digital solutions. We specialize in website development, mobile app development, software development, ERP solutions, graphic design, packaging design, branding, SEO, video animation, UI/UX design, social media management...

    Top Services:

    • Web Development
    • Video Production
    • Social Media Marketing
    • SEO
    • Digital Marketing
    • Show more
    Location
    Rajkot, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    4 Projects Listed
  • Premium Designs at low price Website and App Development Company

    We are offering end-to-end web development, Custom designs, App development also ERP billing Softwares for businesses at a very low pricing. We provide best and premium work at just low budget...

    Top Services:

    • Graphic Design
    • Web Design
    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    Delhi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed
  • Boost Your Business Visibility With Whitelinko Ultimate SEO Services

    Level up your online presence with our digital marketing services. Whitelinko is a Results-Driven Digital Marketing agency to Empower Your Next Business Evolution...

    Top Services:

    • SEO
    • PPC
    • Email Marketing
    • eCommerce
    • Digital Marketing
    • Show more
    Location
    Sharaqpur, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • We Elevate Your Business, Extend Your Limits We Turn Your Vision into a Brand.

    Established in 2021, BrandAux is a Hyderabad-based creative digital marketing agency with global reach. We amplify your brand's online presence through innovative strategies and out-of-the-box thinking. Our passionate experts excel in website design, content creation, and precision PPC campaigns, crafting...

    Top Services:

    • Branding
    • Logo Design
    • Package Design
    • Design Services
    • Web Design
    • Show more
    Location
    Hyderabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Top Rated Digital Marketing Expert In Pakistan

    Aen Ali Hashmi is a trusted digital marketing agency in Pakistan helping businesses improve visibility, generate qualified leads, and increase revenue through proven SEO and paid marketing strategies...

    Top Services:

    • Digital Services
    • Graphic Design
    • Web Design
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Gulberg, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed
  • A Digital Touch

    We are Design Flash, one of the top digital marketing agencies in Bangalore. We specialize in Social media marketing, SEO, SEM, and Graphic design...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • Branding
    • Logo Design
    • Show more
    Location
    Bengaluru, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Your Success, Our Strategy: Digital Excellence Delivered.

    Dev Buddys is a leading Creative Digital Media Solution Company specializing in the delivery of professional websites characterized by responsiveness, security, and a commitment to achieving optimal results. Our portfolio spans from straightforward corporate websites to intricate and advanced eCommerce...

    Top Services:

    • Web Design
    • UI/UX Design
    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Show more
    Location
    Delhi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • Full-service digital marketing agency driving brand growth through creative, media and technology.

    Experience Commerce is a leading digital marketing and advertising agency in Mumbai. Part of Cheil SWA Group, Experience Commerce brings together marketing, creativity, content and global capability services under one roof. From building brands and driving engagement to delivering data, CRM and digi...

    Top Services:

    • Digital Services
    • Video Production
    • Digital Strategy
    • Social Media Marketing
    • Digital Marketing
    • Show more
    Location
    Mumbai, India
    Number of Employees
    100 - 249
    Minimal Budget
    Under $1,000
  • Best Website and Mobile Application Development Company in Jaipur

    Infayou Digital is a creative website development, app development and digital marketing company in Jaipur...

    Top Services:

    • eCommerce Development
    • Web Development
    • Digital Marketing
    • SEO
    • Social Media Marketing
    • Show more
    Location
    Jaipur, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Top Web Development and SEO Service Company.

    Welkin Tech began with a vision to empower businesses of all sizes with powerful digital tools to succeed in the online realm. Since then, we have evolved and grown, adapting to the ever-changing landscape of the digital world while staying true to our core values of excellence, integrity, and customer...

    Top Services:

    • Graphic Design
    • Web Design
    • Web Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Where Technology Meets Art.

    FexArt was founded with the vision that digital marketing could create substantial business growth for our clients...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • SEO
    • Digital Marketing
    • Show more
    Location
    Lahore, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Ideas to impact

    Maysan Labs is a full-stack software development agency engineering custom SaaS platforms, high-performance web and mobile applications, cloud infrastructure, and AI-powered automation solutions to streamline complex business operations...

    Top Services:

    • Web Development
    • eCommerce Development
    • CRM Consulting
    • ERP Consulting
    • DevOps Consulting
    • Show more
    Location
    Gurugram, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • Learn, Earn and Grow with DigiTech.

    360 DigiTech is a dedicated digital marketing team committed to fostering the growth of your business. As the premier digital marketing company in Lucknow, India, we leverage our expertise to deliver unparalleled results and drive your success in the digital realm...

    Top Services:

    • Digital Services
    • Graphic Design
    • Web Design
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Lucknow, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • Technology | Marketing | Branding

    From startups to established brands, Bumpkin Digital supercharges your business! We're your one-stop shop for tech, marketing & branding. We craft content, design ads, & develop websites & apps. Grow organically & with paid campaigns. SEO, PR, influencers & more - we've got you covered...

    Top Services:

    • Digital Services
    • Graphic Design
    • Web Design
    • Web Development
    • Digital Marketing
    • Show more
    Location
    Vrindavan, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Design With Passion

    Layoncube is a trusted digital solutions company based in Sambalpur, Odisha, dedicated to helping businesses grow online with creativity, technology, and strategy. We specialize in website design, app development, software solutions, e-commerce, and digital marketing services, with a strong focus on SEO and...

    Top Services:

    • SEO
    • eCommerce Development
    • Web Development
    • Mobile App Development
    • CRM Consulting
    • Show more
    Location
    Dhama, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • Digital Marketing Agency in Noida Driving Measurable Online Growth

    WeRanksUp Digital Marketing Agency Noida enables companies to increase their online presence and bring about growth using SEO, Local SEO, Google Ads, Meta Ads, Social Media Marketing, Website Development and Content Marketing. We integrate all these tools to enable companies to connect with their target...

    Top Services:

    • Digital Marketing
    • Digital Services
    • Social Media Marketing
    • Digital Strategy
    • Design Services
    • Show more
    Location
    Noida, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • Amplifying Success with Next-Gen Digital Marketing.

    Digital Thrive Solutions, founded in 2022, is a top digital marketing agency specializing in SEO, SMO, PPC, YouTube, and Facebook marketing, driving growth with data-driven strategies...

    Top Services:

    • eCommerce
    • SEO
    • Digital Marketing
    • PPC
    • Social Media Marketing
    • Show more
    Location
    Bulandshahr, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • Powerful SEO Service To Boost Your Website Rankings Fast

    Get a powerful SEO Service that boosts your website rankings fast, drives organic traffic, increases online visibility, and delivers measurable business growth...

    Top Services:

    • SEO
    • Social Media Marketing
    • Web Development
    Location
    Rajkot, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Let's get you digital

    Pageji is a best digital marketing, website development and AI agency in Delhi specialising in SEO, AEO, voice search, performance marketing, AI agent development, and website development for businesses across India. We help real estate developers, realtors, interior designers, and sales-driven businesses...

    Top Services:

    • Web Design
    • WordPress Website Design
    • Web Development
    • eCommerce Development
    • Digital Marketing
    • Show more
    Location
    New Delhi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • Building Businesses and Entrepreneurship.

    We at Inspark Technologies are committed to providing our clients with cutting-edge, next-generation IT and business solutions. Our main goal is to support businesses in expanding globally and building a solid online presence. We use a collaborative approach while working with our clients, fusing fresh...

    Top Services:

    • Digital Services
    • Graphic Design
    • Video Production
    • Branding
    • Print Design
    • Show more
    Location
    Indore, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $16/hr
    Minimal Budget
    Under $1,000
  • Escalate Your Online Marketing with Marketixpro

    Marketixpro is a full-service digital-marketing and website-development agency based in Delhi, India. They offer a wide range of services including web development, e-commerce sites, SEO, PPC/Google Ads, social-media marketing, graphic design and e-commerce store management...

    Top Services:

    • Web Design
    • Web Development
    • Digital Marketing
    • SEO
    • PPC
    • Show more
    Location
    Delhi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • AI-Powered Software Development & Digital Solutions for Modern Businesses

    Building Scalable AI, Web, Mobile & Custom Software Solutions That Drive Business Growth...

    Top Services:

    • Web Development
    • eCommerce Development
    • SEO
    • AEO
    • AI Development
    • Show more
    Location
    Islamabad, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Your Premier Digital Marketing Partner.

    TargetBoost is recognized as the premier digital marketing company in India, leveraging every digital platform including Google, social networks, and app marketplaces to ensure your online presence stands out. Our comprehensive approach ensures that your brand stands tall on the web, reaching your target...

    Top Services:

    • Graphic Design
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Bhavnagar, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
  • A Precision Media Solution Agency.

    Were a value-led Indian Media Promotion agency that creates concepts to empower brands that positively impact individuals, communities and nations. Based in Noida Delhi NCR. Were a tight, passionate team driven by the desire to deliver forward thinking ideas to our clients. Together, we create brand...

    Top Services:

    • Digital Services
    • Branding
    • Media Buying
    • Digital Marketing
    • SEO
    • Show more
    Location
    Noida, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $500/hr
    Minimal Budget
    Under $1,000
  • Elevate Your Online Presence With Precision-Driven SEO Solutions

    SEO India Higherup is the top SEO Company in Delhi. We specialize in crafting customized SEO strategies that align with your business goals and deliver tangible results...

    Top Services:

    • Web Design
    • Web Development
    • Digital Marketing
    • SEO
    • PPC
    • Show more
    Location
    Delhi, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Scaling Brands & Business

    Scalyx Digital Co. is a top-tier agency specializing in digital marketing, website development, and ecommerce solutions. With over 3 years of experience, we help businesses from startups to established brands grow online. Weve successfully completed 50+ projects for clients like Sanam Travel, Prime Nutrition...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Content Marketing
    • Show more
    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Looking for High-Impact Digital Marketing Solution?

    At Digital Brains Media, we are a boutique digital agency dedicated to empowering brands with strategic creativity and data-driven innovation. We specialise in building impactful digital ecosystems through brand positioning, performance marketing, and audience engagement that blends storytelling with...

    Top Services:

    • Digital Marketing
    • SEO
    • Content Marketing
    • Social Media Marketing
    • Web Design
    • Show more
    Location
    Gurgaon, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $2000/hr
    Minimal Budget
    Under $1,000
  • Innovative Tech Solutions For Your Business Growth.

    Nazfe Infotech is a premier Kolkata-based digital agency dedicated to bridging the gap between business goals and technical excellence. Since 2018, we have specialized in high-performance web development, custom software, and data-driven digital marketing. Whether you are a startup looking for a brand...

    Top Services:

    • Web Development
    • UI/UX Design
    • SEO
    • Branding
    • IT Services
    • Show more
    Location
    Kolkata, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $8/hr
    Minimal Budget
    Under $1,000
  • Learn | Earn | Grow

    Digital Meta Monk is a results-driven digital marketing agency helping businesses grow online. Founded by Suman Verma, we specialize in social media marketing, Google My Business optimization, lead generation, and online brand promotion. We also provide performance marketing services and professional...

    Top Services:

    • Graphic Design
    • Branding
    • Logo Design
    • Digital Marketing
    • SEO
    • Show more
    Location
    Sonipat, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
  • Our Job to make your Job easy

    SRGIT is a Indian based leading web design and development company. Our vision is to achieve global IT services leadership in providing value-added high quality IT solutions to our clients in selected horizontal and vertical segments, by combining technology skills, domain expertise, process focus and...

    Top Services:

    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Jabalpur, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $12/hr
    Minimal Budget
    Under $1,000
  • Inspired by innovation, driven by results.

    Opus Momentum, a leading digital marketing and IT development agency headquartered in central India, is dedicated to propelling your success. With a focus on innovation and client-centric strategies, we strive to empower businesses to achieve their goals in the digital landscape...

    Top Services:

    • Digital Services
    • Public Relations
    • Reputation Management
    • Digital Strategy
    • Web Design
    • Show more
    Location
    Bhopal, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
  • Built To Solve. Designed To Scale.

    Tech Potato is a digital solutions company working across web development, e-commerce, automation, design, and business operations. We bring technical and operational teams together to support the day-to-day digital needs of modern businesses...

    Top Services:

    • Digital Services
    • Graphic Design
    • Design Services
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Karachi, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • We Design We Develop We Dominate Digital

    At Zatiq Sol, we don't just offer services we build digital empires. From high-performing websites, AI-powered apps, and mobile solutions to SEO, social media, and full-scale digital marketing we're the agency behind fast-growing startups and global disruptors. Need lead generation, blockchain apps, or...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • SEO
    • Social Media Marketing
    • Show more
    Location
    Multan, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Stop Buying Services Start Buying Results

    Get Seen Branding helping businesses get seen on Google, social media & more. SEO, social media, web design, branding & performance marketing. 5X ROAS guaranteed...

    Top Services:

    • Social Media Marketing
    • SEO
    • Web Design
    • Mobile App Development
    • Branding
    • Show more
    Location
    Kolkata, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Empowering Your Business With AI-Driven Marketing Strategies

    Conversion monks is a digital marketing agency that helps brands scale up their digital media and increase their revenue. We specialize in SEO, PPC, Guest Posting, email marketing, web design & development, content marketing, online reputation management, Social Media Marketing and more...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Content Marketing
    • Show more
    Location
    Chandigarh, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $18/hr
    Minimal Budget
    Under $1,000
  • Making Brands Shine Digitally

    HNK Media Is A Creative And Digital Experience Company. We go beyond the role of a traditional agency we are storytellers, innovators, and builders of lasting experiences. At HNK Media, we bring together branding, digital strategy, design, and gaming under one roof, crafting campaigns and products that not...

    Top Services:

    • Web Development
    • Video Production
    • Product Design
    • Digital Services
    • Branding
    • Show more
    Location
    Mumbai, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    Under $1,000
  • Books Publisher: Where Every Aspiring Author's Dream Takes Flight.

    Every great book starts with a spark of imagination and the right support to fan the flames. At Books Publisher, we believe your story deserves to be told. Whether youre sitting on a half-finished manuscript or a fully formed idea, were here to guide you through every step of the publishing journey. From...

    Top Services:

    • Web Design
    • Web Development
    • Digital Services
    • SEO
    • Digital Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $200/hr
    Minimal Budget
    Under $1,000
  • Sharp, Precision, Search marketing

    Over a decade of experience, sharpened for the future of search.Razor Signal brings together years of experience in SEO, conversion optimisation and digital performance to help businesses improve their online visibility and grow with confidence. We take a focused, data-led approach to identifying...

    Top Services:

    • AEO
    • Affiliate Marketing
    • CRO
    • SEO
    • PPC
    • Show more
    Location
    Edinburgh, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    Under $1,000
  • Turning Clicks And AI Visibility Into Measurable Growth

    ROI index helps businesses turn online attention into customer demand through PPC, SEO and AI visibility. Led by a founder with over 22 years of marketing experience, we connect advertising performance with how brands are discovered in search and AI answers...

    Top Services:

    • PPC
    • SEO
    • AEO
    • Digital Marketing
    • Social Media Marketing
    • Show more
    Location
    Bratislava, Slovakia
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
128,634+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
89

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

5 Frequently Asked Questions About Amazon SEO Services

How much do Amazon SEO services cost?

Amazon SEO services usually cost $1,500 to $3,000 per month for smaller catalogs, and $3,000 to $20,000+ per month for bigger sellers. 

Monthly Amazon SEO services: 

  • Small catalogs: $1,500 to $3,000 per month 
  • Growth-focused programs: $3,000 to $10,000+ per month 
  • Enterprise sellers: $12,000 to $20,000+ per month 

Common Amazon SEO service costs: 

  • Listing optimization: $1,000 to $3,000 
  • Keyword research: $1,500 to $5,000 
  • Conversion rate optimization: $2,000 to $6,000 
  • Ongoing optimization: $1,500 to $5,000 per month 
  • Catalog management: $4,000 to $10,000+ per month 

How long does it take to see results?

Amazon SEO can show early improvements in days to weeks, but meaningful results usually take 3 to 6 months. 

Typical timelineResults
Days to weeks
  • Listing changes can start affecting rankings quickly
  • Keyword indexing and visibility may improve 
1 to 3 months
  • Rankings begin to stabilize
  • Traffic and click-through rates improve 
3 to 6 months
  • Clear growth in rankings and organic sales 
  • Listings gain stronger visibility for target keywords 
6 to 12 months
  • Long-term rankings stabilize 
  • Sales velocity, reviews, and conversion data strengthen positions 

Timeline depends on competition in the category, product demand and pricing, review volume and ratings, listing quality and conversion rate, as well as sales velocity and external traffic. 

How do Amazon PPC and SEO work together?

Amazon PPC and Amazon SEO work together because ads generate early sales and data, which help improve organic rankings. 

PPC ads put your product at the top of search results. That visibility brings clicks and purchases. More sales and higher conversion rates send strong signals to Amazon’s algorithm, which can push your product higher in organic search results. 

PPC also shows which keywords actually convert. Sellers can add those high-performing keywords to product titles, bullet points, and backend search terms. That improves organic visibility for those searches. 

Over time, stronger SEO rankings bring consistent organic traffic. PPC then supports growth by testing keywords, launching products, and protecting top search positions. 

Do I need to pay for SEO services continuously?

You do not have to pay for Amazon SEO services continuously, but ongoing work is usually recommended. 

Amazon rankings change constantly as competitors update listings, launch ads, and improve their products. If optimization stops, competitors can overtake your rankings and visibility may decline. 

Ongoing SEO helps maintain rankings by updating keywords, improving listings, tracking performance, and adjusting to market changes. Continuous optimization also supports conversion improvements, which Amazon’s algorithm uses to rank products. 

Many sellers run Amazon SEO as a monthly program because steady optimization helps protect rankings and sustain sales. 

Do the best Amazon SEO companies guarantee first-page rankings?

No. Legitimate Amazon SEO agencies do not guarantee first-page rankings. 

Amazon rankings depend on factors no agency fully controls. The algorithm evaluates sales velocity, conversion rate, reviews, pricing, and competition. Because those variables constantly change, no provider can promise a specific ranking position. 

Reliable agencies focus on improving the factors that influence rankings. They optimize listings, research keywords, improve conversion rates, and help increase sales momentum. These actions improve the chances of reaching page one, but they cannot guarantee it.