Online Advertising Agencies in San Jose

Ninja Promo is a full-service digital marketing company built around subscription-based dedicated marketing teams. Instead of traditional agencies that bill per project or freelancers with limited bandwidth, you get a stable cross-functional team on a flexible monthly subscription.

CMO-on-demand, strategists, project managers, designers, content creators, media buyers, and analysts work as one unit, giving you predictable costs, faster execution, and the impact of an in-house team without the hiring overhead.

We deliver full-cycle digital marketing across all key channels and disciplines. From market research, positioning, and brand strategy to design, creative and content production (including video), performance marketing, SEO, paid advertising, content marketing, social media, influencer marketing, PR, web and landing page development, and analytics - we run your marketing operations end to end under one roof. Our integrated approach keeps strategy, creatives, and media aligned, so every campaign supports your growth targets, whether you need one core service or a complete marketing transformation.

We work with companies across multiple industries because we believe real marketing expertise is not about being locked into a single niche, but about the ability to research, understand, and win in any market. Our teams follow a research-driven playbook: deep industry and competitor analysis, understanding regulations and audience behavior, and rapid testing to find what truly converts. This approach has already delivered proven results in B2B and SaaS, crypto and Web3, fintech and financial services, IT and software, gaming and iGaming, e-commerce, real estate, healthcare, forex, AI and more, with new verticals constantly added to our portfolio. Cross-industry experience lets us transfer successful tactics from one sector to another, giving our clients an advantage that single-industry agencies simply cannot provide.

Sembyotic is a digital marketing agency specializing in PPC and digital advertising strategies that drive measurable results. We also offer expert SEO, web design, web development, and website management services to help brands maximize their online presence. Our award-winning team partners with businesses to create impactful, high-converting digital experiences that fuel growth and customer engagement.

Delante is an award-winning international Search Agency specializing in SEO, SEM, and AISO (AI Search Optimization).

With offices in Kraków, New York, London, Italy, Spain, we support global brands across 29 global markets.

Our +65 experts create tailored strategies focused on business impact - not vanity metrics.

We know that marketing has to pay off. That’s why we track ROI, ROAS, and CAC to ensure our clients’ investments generate measurable growth. From increasing visibility to scaling international sales, our result-oriented and data-driven approach makes us the trusted partner behind the success of global e-commerce and B2B leaders.

Our strategies have earned us recognition from Top International Awards, including:

• 🏆 Forbes Diamonds 2025
• 🏆 Deloitte Technology Fast 50 Europe
• 🏆 Financial Times FT1000
• 🏆 Google Premier Partner - Top 3% of Agencies Worldwide 🌍
• 🏆 Global Search Awards 2024 - SEO Agency of the Year
• 🏆 European Search Awards 2024
• 🏆 Global Agency Awards 2024 - Best B2B SEO Agency of the Year
• 🏆 Global Digital Excellence Awards 2024

More visits, more sales - let’s get you in the lead!

Forward is our only direction - because Delante means Forward. It’s our can-do-attitiude mindset.

Founded in 2012, ANML (Animal) is a strategic design and technology partner helping ambitious brands shape how they are experienced in a digital-first world. We don’t just build websites or products. We design full brand ecosystems that strengthen perception, deepen trust, and drive measurable growth.

We believe digital experiences are no longer support channels—they are primary brand touchpoints. Your website, product interface, and connected platforms define how your audience evaluates credibility, quality, and leadership. Every interaction shapes loyalty. We approach each engagement by mapping the entire brand journey, ensuring strategy, storytelling, design, and technology work together as one cohesive system.

From early-stage companies to global enterprises, we partner closely with leadership teams to unlock opportunity and create clarity. Our senior-led studio delivers brand strategy, web and app design, product interface design, branding, and full-stack development with precision and purpose. We operate as an extension of your team—aligning on business objectives, elevating user experience, and building scalable foundations for long-term success.

Selected Clients

Ford, CNN, Whirlpool, KitchenAid, ServiceNow, GT’s Kombucha, NetApp, SurveyMonkey, Logitech, 805 Beer, Palo Alto Networks, Marvell, Bandai Namco, Brunswick, Zoom, Sitecore, Citrix, Autodesk

Selected Results

ServiceNow: 50% increase in demo sign-ups

NetApp: 3x engagement, 2x sign-ups

Flock Safety: 2x conversions within five months

Yummly: 50M users, 4.8-star rating

ANML builds brands people trust—and digital experiences that make that trust tangible.

CoBanner is a web agency offering professional graphic design and custom website creation. We help businesses build strong visual identities and high-performing websites that drive results.

Our Expertise

Harrington Clark was born to help companies navigate the often confusing world of social media management and advertising.

We recognized a significant gap in understanding and a pervasive fear among businesses to trust agencies that promise but don’t deliver.

Social Media Management

Beyond advertising, our Social Media Management services encompass content creation, community management, and performance analysis. We handle everything from crafting compelling posts and managing interactions to monitoring analytics and optimizing your social media presence. Our goal is to build a strong, engaged community around your brand, fostering loyalty and growth.

Social Media Advertising

Our Social Media Advertising services are designed to maximize your reach and ROI. We manage monthly advertising budgets ranging from $1,000 to $300,000+, consistently generating healthy returns. By leveraging targeted campaigns and data-driven strategies, we ensure your ads resonate with the right audience, driving engagement and conversions.

Why Choose Harrington Clark?

Industry Experience: Proven track record with PR, Tech, Startups, Fortune 500 companies, and 20+ more industries.

Customized Strategies: Tailored approaches for accounts of all sizes, from 1,000 to 100,000+ followers.

Comprehensive Services: Integrated Social Media Advertising and Management for cohesive brand growth.

Data-Driven Results: Effective budget management and ROI-focused campaigns.

Partner with Harrington Clark to unlock the full potential of your social media channels. Let us manage your online presence while you focus on what you do best—running your business.

Write to us via email or WhatsApp so we can respond to your inquiries and provide you with more information!

⚠️ This is the only way we have to contact you ⚠️

Do you have a website or online store and want to attract more people to generate inquiries or sales? Would you be interested in having a better online presence on your social media? Do you need to delegate the design and writing of posts?

We help your company increase its sales through Digital Marketing.

Who are we?

We are a digital marketing agency with vast experience in Google, Social Media, and Email Marketing.

Why should you choose us?

• We are Google Partners: This means that Google recognizes us as an expert agency with experience in its advertising platform.
• Experience: We have been working in Digital Marketing for over 10 years. We have managed over 30 million dollars in digital media, in Argentina, Colombia, Brazil, India, Mexico, Costa Rica, etc.
• Leads and Sales: We specialize in Performance Campaigns, meaning that when we activate campaigns, we focus on generating leads and sales (contacts, phone calls, store visits, online store sales, etc.).
• Service Vocation: We build relationships with our clients and advise them on matters that go beyond Google, Social Media, or Email Marketing, because we are interested in the well-being and progress of each company.
• We adapt quickly: We have clients from various sectors and in different countries (Central America, Argentina, India, Mexico). We study each company, its services, and its environment.

Jeanette Gianfreda, founder at Digital Agency JG:

“I created Digital Agency with the goal of helping small and medium-sized businesses promote their business online and thus achieve increased sales month by month”

“I specialized in the development and implementation of Digital Marketing strategies for companies, particularly in Google Ads for over 15 years.”

Desverto is a design-focused agency providing services tailored to Amazon sellers, helping them enhance their product listings and storefronts. Their offerings include listing image design, A+ content creation, storefront design, product descriptions, and packaging design. Desverto’s mission is to create compelling visuals and content that elevate their clients' brand presence, resulting in increased sales and profitability. The company also focuses on optimizing Amazon posts, solving listing issues, and creating a consistent brand identity.

Marketing1on1 is a highly motivated, fast growing company with a team of experienced marketing professionals in online and digital marketing. Our team always evolving and eager to approach marketing strategies with a fresh mindset.

In current economy many small businesses have found that a move to the internet is exactly what they needed to get their business back on the feet. Marketing1on1 offers everything you need to have a successful online presence. Whether you’re a company looking to make the big move into the internet for the first time or a seasoned web company eager to implement new strategies, Marketing1on1 will provide you with the best solutions for your needs.

We are a digital marketing agency based in San Jose CA that harnesses the power of the search results, social media, and paid advertising to attract a steady stream of new customers to businesses.

Our proprietary system feeds Google's E-A-T (Expertise - Authority - Trust) algorithm with the exact type of high-quality signals, authority signals, and engagement signals it's looking for. Our proven process helps make your business website, Google Business Profile(s), and your videos more findable online. Naturally, when your business is more findable, your phone rings more.

Many business owners contact us inquiring about us doing SEO (Search Engine Optimization) services for them. While "SEO" still has important elements o it, it's really only 2-dimensional in comparison to the 5-dimensional-like authority signals we create for our clients. So, we really don't try to compete with pedestrian SEO providers. And, honestly, they don't really compete with us either because they don't have our proprietary system.

Check-out our website, and give us a call to discuss your business presence online. There's never any pressure. Promise.

HiveMind helps small and mid-size businesses get their brands recognized and appreciated in this ridiculously noisy world.

Our experienced marketing team develops effective websites, email, SEO, content and social media, based on sound research, buyer personas and positioning, to greatly improve marketing ROI (up to 600+%).

We specialize in providing digital marketing services to technology, consumer electronics, consumer brands, and startups.

Our Super Powers

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We can find a unique position and creative execution for your brand or company that kills it ... that generates excitement around your products and ideas ... that strikes fear in the competition, even big incumbent brands. That's what we do best.

Discover the Difference

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At HiveMind Studios:

✔ We are good listeners - We don’t always need to invent it here. If you have good ideas, we’ll work with you. If they’re not so good, we’ll tell you why.

✔ We know digital - The world is changing and marketing is changing with it. We’re experts at all the latest digital marketing techniques.

✔ We know people - We can’t do everything. But if you need additional resources, like a naming consultant, GUI designer or packaging vendor, we know talented resources to call.

✔ We will make you look good - We work very hard to make sure all our clients are completely satisfied. We’d much rather win your return business and your referrals than pound the pavement.

We're believers. Creators. Thinkers. Doers.

Our job is to initiate ideas that inspire. With beliefs rooted in the good of helping others, we're good people doing amazing work. We explore unique, unusual, and innovative ways to tell new stories. Through research, case studies, and sheer ingenuity, we discover what's possible at the crossroads of narrative, culture, technology, and design.

What's your story, and how can we help tell it?