9 reviews
External Reviews
Technologies
Services
Notable Clients
Celltob is a digital marketing and web development agency based in Delhi, India, founded in 2013 by Abhishek Sharma and Akash Kumar. The company has delivered over 2,000 projects across India and internationally, working with healthcare providers, e-commerce brands, D2C startups, manufacturing firms, and hospitality businesses. According to their website, they have 10 years of experience, claim 4,600 clients in first position rankings, and report 33 organic traffic cases and 1,033 return on investment cases. The agency operates from their Ashok Vihar headquarters and offers a range of services spanning SEO, social media marketing, paid advertising, content creation, web design, AI development, and video production.
Services and capabilities
Celltob's core offering revolves around digital marketing across multiple channels. They provide search engine optimization focusing on organic traffic and keyword ranking; social media marketing emphasizing organic growth without paid promotion; paid advertising on Meta, Google, and LinkedIn; and influencer and user-generated content marketing. Their content services include content marketing and content writing, while their technical offerings span WordPress website development, e-commerce website development, web design, and online reputation management. They also offer app store optimization (ASO), video production and editing, and search engine marketing (SEM).
The company has expanded into artificial intelligence development, offering AI chatbot development inspired by ChatGPT, AI agent development for autonomous task execution, generative AI development for text and image creation (comparable to tools like Sora and Leonardo AI), AI-powered website development for personalized user experiences, problem-solving AI for predictive analytics and automation, and AI development consultancy. They describe their AI approach as involving discovery, feasibility analysis, strategic planning, model building and training, testing and validation, deployment, and continuous post-launch optimization. According to their FAQ, custom AI chatbot development projects typically take 4-8 weeks depending on complexity and integrations, with costs starting from ₹500,000.
Their engagement process follows four steps: consult and analyze (initial discovery call), proposal and approval (custom proposal), execution and updates (work with regular client updates), and final delivery with ongoing support. The company claims to focus on keyword-driven SEO strategies and mentions offering six months of monthly phone consultation support for SEO campaigns.
Notable work
The source provides limited specific case study details but names several industry verticals Celltob has worked with: dermatologists and plastic surgeons, IVF clinics, cardiologists and other medical practices, D2C brands, e-commerce companies, corporate brands, healthcare providers, labware and chemical manufacturers, hotels and cafés, and import-export businesses. Their Google Business profile shows a 5.0 rating based on 26 reviews. Named testimonials mention improvements in website visibility, organic marketing results, and SEO performance, with one client noting that "my online website visibility is improved and I received lots of website traffic." Another client states they rank websites on "the 1st page of google."
How they work
Celltob operates on a four-stage model: initial consultation and business analysis, custom proposal development, execution with regular client updates, and final delivery plus ongoing support. For SEO specifically, they offer six-month engagements with monthly phone consultations. They also provide lab sessions where clients can learn the tools and best practices the agency uses. No fixed pricing is listed except for AI chatbot development starting at ₹500,000. The company emphasizes monthly communication touchpoints and claims to operate with agile methodology for rapid prototyping and feedback cycles in AI projects.
Team and credentials
The company was founded in 2013 by Abhishek Sharma and Akash Kumar. Team members mentioned by name in client testimonials include Abhishek Sharma and Narjeet Kaur, who are noted for responsive support. No total team size is disclosed on the website. No formal certifications (ISO, SOC 2, etc.), partner status with major platforms, or third-party awards beyond their own Google Business 5.0 rating are mentioned in the source material.
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