Marketing Agencies in Los Angeles, CA

Hi 👋🏼 We're Good Kids.


We're an an independent agency based in Los Angeles, NYC & Toronto.

We create evocative campaigns that connect with audiences.

Our powerful marketing strategy & outstanding advertising take our clients further than ever. Want to see where we can take you?


✨ We help small brands become big and big brands become giant.🏆

Our award-winning strategy is on engagement, awareness & authenticity, underlining what's important. We create evocative campaigns that connects with audiences In meaningful ways. We humanize, amplify & relate. This converts, moves the dial and makes it shareable. In Short: We Build Your Reputation & get you results.

We’re very good at:

🧠 Marketing Strategy

💥 Creative Production

📱 Social Media Management

💻 Digital Marketing

🤝 Pr & Partnerships

🎪 Pop Up Events

💰 Paid Advertising & SEO

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In a world where you can be anything; don’t be boring.


We'll give 'em something to talk about!

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.

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.

At 3techagency we’re a ROI-Driven digital marketing agency helping businesses scale up marketing efforts seamlessly through tools & services that grow revenue, improve efficiency & team versatility.

AppVerticals is a growth-focused software development company that helps startups, scale-ups, and enterprises build products designed to create traction early and grow steadily. The focus is on MVPs, functional prototypes, and full-scale applications that meet investor benchmarks and stand out in competitive markets.

Recognized by Inc. 5000 and Clutch as one of the top software development companies, AppVerticals partners with businesses across industries like real estate, logistics, healthcare, and edtech. Each solution is built to create traction early and scale as usage increases. Whether it’s an idea in its early stage or an existing product that needs structure, AppVerticals brings clarity to the entire development process.

All projects follow HIPAA, GDPR, and ISO standards, with a strong focus on performance, security, and maintainability. Modern frameworks and lean delivery methods are used to simplify builds, avoid unnecessary complexity, and keep progress aligned with both user behavior and business goals.

At Falcon Ghostwriting, we partner with visionaries, whether you have a compelling business idea, a powerful personal memoir, or a gripping fictional story waiting to be told. We are a full-service ghostwriting agency dedicated to taking your core concept, be it a groundbreaking nonfiction guide, a captivating novel, or a thriller series, and crafting it into a polished, market-ready book. Our experienced writers handle the entire process, including meticulous drafting, detailed developmental editing, and strategic publishing guidance.

The Blunt Post Media is a sharp-edged agency built for brands that don’t play it safe. We specialize in bold branding, smart marketing, and content that actually moves the needle. From strategy to execution, we craft narratives that cut through the noise and build real traction. No fluff, no filler—just impactful work that turns heads and drives results.

At RHILLANE Marketing Digital, we don't just promote your brand: we reveal its full potential. As a 360° digital marketing agency, we have supported over 615 clients worldwide, generated +$50 million in revenue for our clients, and managed +$15 million in advertising budgets. With offices in both Morocco and California, USA, we are proud to serve an international clientele by providing customized and high-performing solutions.

Results that speak for themselves. With 280 Meta Ads clients, +80% of our campaigns achieving a ROAS greater than 7, and a 96% satisfaction rate, we transform our clients' ambitions into measurable successes. Our services range from creating elegant and intuitive websites, to SEO that boosts your rankings, through ultra-targeted Meta, Google, and TikTok advertising campaigns. Each strategy is designed to capture attention, generate conversions, and build customer loyalty.

RHILLANE Marketing Digital is more than a digital agency: we are your growth partner. Thanks to our cutting-edge tools, our bold creativity, and data-driven expertise, we help our clients overcome their competitors and reach new heights. Join the companies that have already transformed their online presence with us. Your success starts here.

Best ranked and rated SEO company. See 820+ case studies of wins for our clients. 250+ team members. Work with an SEO services company that gets results.

At American Book Publications, we provide everything you need to make your journey as an author truly successful. Whether you’re an established writer or working on your very first manuscript, we stand by your side throughout the entire publishing process. Connecting with our experts ensures that your book reaches readers everywhere, no matter the distance.

Our services are designed for authors interested in self-publishing, covering everything from publishing to effective marketing. With our guidance, you can publish your book on Amazon and tap into the world’s largest marketplace.

We also specialize in Audiobook Production and Publishing, transforming your written work into a polished, professional audiobook that resonates with listeners. By giving your words a compelling voice, we help your story connect with a broader audience and maximize its reach.

We help B2B and B2C enterprises establish trusted brands, create real engagement, design human-centered user experiences, and develop mature digital capabilities that drive measurable results for their businesses.

Our mission is to deliver performance-driven retention marketing for ecommerce brands—spanning Email, SMS, WhatsApp, RCS, Push, DM automation, and more—with a focus on measurable growth and long-term customer value.

As a Klaviyo Elite Partner trusted by 1,000+ global brands including True Classic and Dr. Squatch, we combine strategy, creative, and technical expertise to help ecommerce companies strengthen their customer lifecycle and turn more shoppers into repeat buyers.

Email remains the core of our strategy for its unmatched ROI, and we layer in lifecycle channels based on your needs and where they’ll create the greatest impact across your customer journey.

Our six-person specialist team——strategy, design, copy, project management, and technical leads—works as an extension of your brand to deliver smart, data-driven retention marketing across every touchpoint, including:

Interested in working with us? Reach out today or start with a FREE consultation to see how we can elevate your performance.

Want to learn more about our FREE Audit? 👉 https://flowium.com/lp/free-audit/

Proud 2025 Inc. 5000 Honoree

The Author Choice offers trustworthy book writing and publishing services that are intended to assist writers at every turn. We assist in producing polished manuscripts that represent your vision and adhere to professional publishing standards, from concept development to final editing.

Your brand is your voice, and at Acevox, your voice is bold, clear, and unforgettable.

As a full-service creative marketing agency, we partner with clients across the country to craft innovative, data-driven strategies and emotionally resonant campaigns that captivate, engage, and inspire action.

From branding and content creation, to digital strategy and traditional marketing, we help our clients cut through the noise with bold storytelling and measurable results. We don’t just amplify your message - we make sure it leaves a lasting impact.

With a plethora of mobile phones, tablets, smart watches, and computer operating systems on the market, the world of app development is more diverse than ever. Webiotic offers a diverse set of app development services to match including iOS, Android, web, and cross-platform app development.

Regardless of the platform, our finished apps undergo a 360-degree quality assurance process to ensure the integrity of your app under every possible scenario.

TechnoPulse is a digital commerce and technology agency specializing in high-performance Shopify Plus stores, ecommerce optimization, and custom web and mobile applications. We help brands scale through conversion-focused design, seamless user experiences, and modern development built on Laravel, Vue.js, React, and hybrid mobile frameworks.

Our team blends creativity, engineering, and data to deliver impactful digital solutions, from Shopify store development and CRO to full custom dashboards, SaaS systems, and mobile apps. We also provide complete marketing services, including performance ads, SEO, social media management, email flows, and growth strategy.

Whether you’re building a premium Shopify Plus storefront, launching a scalable web platform, or accelerating your digital presence, TechnoPulse delivers clean design, powerful technology, and results that move businesses forward.

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.

Hire Live Support provides enterprise-grade 24/7 live chat and customer support solutions tailored for scaling businesses. Our specialized team of trained agents ensures seamless customer interactions, reduces response times, and enhances satisfaction—so you can focus on growth. With expertise in multilingual support, security compliance, and AI-augmented tools, we deliver scalable, cost-effective solutions for e-commerce, SaaS, and global brands. Trusted by industry leaders, we combine human empathy with cutting-edge technology to turn customer service into a competitive advantage.