About Us
Digital Marketing That Scales With You
Running a business can feel like a climb that is tough and uncertain, so we rope in and go along this journey with you. Since 2021, we’ve helped multiple Singapore SMEs and startups grow step by step through SEO, SEM, GEO, web design, link building, and AI automation. Scroll down to know more about Big Wall.
Building Digital Growth Together Since 2021
We didn’t set out solely to become a “big agency.” Instead, we set out to walk alongside people. If you’re curious about Big Wall, it begins with stories like our very first client, STUDIO DAM, who is still with us years later, not because of contracts or clever pitches, but because real partnership lasts.
The Values Behind Every Partnership
People matter most
Every business is a person’s dream. We treat it with the same care as if it were our own.
Growth that lasts
Quick fixes will slip. We build strategies that hold, so you can climb higher year after year.
Work with purpose
Integrity, stewardship, and a bigger picture guide us on how we work, who we serve, and the impact we create.
Life in Our Pixel Office
At Big Wall Digital, we’re more than just screens and strategy sessions, we’re a family. Our Gather Town space is a digital playground where teammates drop by for quick chats, and brainstorm in our pixelated desks. We host a go‑kart race every Friday, because we know that a bit of friendly competition & laughter fuels creativity. This fun, collaborative environment keeps us energized and reminds us that the best ideas come when we enjoy the climb together.
How We Work to Achieve the Big Wall Effect
Get the foundations right, then compound performance — no shortcuts, no noise.
Your Growth Creates a Wider Impact
The work we do doesn’t stop at just businesses. It overflows into impact projects, from teaching robotics in Cambodia and supporting missions in Peru, to keeping school websites safe. Every climb with us will empower others to climb too. That’s what Big Wall Digital is all about.
Anchored in Purpose
“Whatever you do, work at it with all your heart, as working for the Lord, not for human masters.”
— Colossians 3:23 (NIV)
— Colossians 3:23 (NIV)
Ready to Climb?
Book a complimentary first consultation and we’ll explore your business needs and aspirations, offering personalised guidance to help you scale with confidence and long-term growth in mind.
*There is no obligation to continue with our services
Noel Soo
Noel Soo is a Business major with a minor in Digital Content Marketing at the Singapore University of Social Sciences. With a strong interest in business development and digital marketing, he focuses on helping brands grow through strategic marketing and sales initiatives. Noel has developed hands-on experience with digital advertising platforms such as Google Ads and Facebook Ads Manager, where he works on campaigns designed to increase brand visibility and generate measurable business results.
His strengths lie in content creation and digital storytelling. Noel produces engaging photo and video content for social media platforms, crafting marketing materials that capture attention and resonate with target audiences. By combining creative content with data-driven campaign strategies, he helps businesses attract new audiences, build brand awareness, and convert engagement into meaningful leads and sales opportunities.
Beyond his technical skills, Noel is known for his strong interpersonal approach and ability to build genuine relationships with clients and partners. He believes that effective marketing begins with understanding people, their goals, and their challenges. With a commitment to continuous learning in business, technology, and marketing trends, Noel continues to expand his expertise while helping businesses uncover opportunities for growth and long-term success.
His strengths lie in content creation and digital storytelling. Noel produces engaging photo and video content for social media platforms, crafting marketing materials that capture attention and resonate with target audiences. By combining creative content with data-driven campaign strategies, he helps businesses attract new audiences, build brand awareness, and convert engagement into meaningful leads and sales opportunities.
Beyond his technical skills, Noel is known for his strong interpersonal approach and ability to build genuine relationships with clients and partners. He believes that effective marketing begins with understanding people, their goals, and their challenges. With a commitment to continuous learning in business, technology, and marketing trends, Noel continues to expand his expertise while helping businesses uncover opportunities for growth and long-term success.
Lydia Yang
Lydia Yang is the founder of Big Wall Digital, a digital marketing strategist, speaker, and adventurer. She graduated from the National University of Singapore with a business degree specialising in marketing and began her career in the hotel industry. In 2017, at the age of 30, Lydia made the bold decision to leave her full-time role in hospitality to pursue entrepreneurship. She stepped away from the corporate path, traded high heels for hiking boots, and focused on growing her travel platform Lydiascapes.com while building her own marketing consultancy.
Her journey took an unexpected turn when she was invited to speak at a travel conference in Ireland in 2017. During that trip she met entrepreneur Cez Krol, who would later become her husband and co-founder. Together they founded Big Wall Digital, a digital marketing agency that helps small and mid-sized companies gain more customer enquiries through strategic SEO and digital marketing. Lydia has worked with businesses across industries such as travel, retail, FMCG, construction, and technology, helping brands build authority and grow sustainably in an increasingly competitive digital landscape.
Our co-founder, Lydia Yang, also holds the Registered Management Consultant (RMC) designation, recognised by Enterprise Singapore through the Institute of Management Consultants (Singapore). The certification reflects her experience in guiding businesses through strategic transformation and growth. Beyond agency work, Lydia continues to inspire others through travel and storytelling. Through Lydiascapes.com she shares experiences from more than 60 countries and regularly speaks at conferences and workshops about entrepreneurship, digital marketing, and the value of pursuing meaningful work.
Her journey took an unexpected turn when she was invited to speak at a travel conference in Ireland in 2017. During that trip she met entrepreneur Cez Krol, who would later become her husband and co-founder. Together they founded Big Wall Digital, a digital marketing agency that helps small and mid-sized companies gain more customer enquiries through strategic SEO and digital marketing. Lydia has worked with businesses across industries such as travel, retail, FMCG, construction, and technology, helping brands build authority and grow sustainably in an increasingly competitive digital landscape.
Our co-founder, Lydia Yang, also holds the Registered Management Consultant (RMC) designation, recognised by Enterprise Singapore through the Institute of Management Consultants (Singapore). The certification reflects her experience in guiding businesses through strategic transformation and growth. Beyond agency work, Lydia continues to inspire others through travel and storytelling. Through Lydiascapes.com she shares experiences from more than 60 countries and regularly speaks at conferences and workshops about entrepreneurship, digital marketing, and the value of pursuing meaningful work.
Cez Kroll
Cez approaches SEO not simply as a technical discipline, but as a long-term strategy for sustainable business growth. His process typically begins with understanding how a company actually works, its customers, its market landscape, and the problems it is trying to solve. From there, he builds search strategies that connect content, technical structure, and user experience so that visibility in search engines translates into real opportunities for businesses.
Before focusing fully on digital marketing and search strategy, Cez spent several years living and working abroad, including time in China where he taught English while exploring different cultures and building online projects on the side. These experiences helped shape the way he thinks about the internet today. Traveling across countries, running travel blogs, and working remotely taught him how people search for information, how cultures interact online, and how digital platforms can connect businesses with audiences across borders.
Over the years, Cez has worked with startups, SMEs, and established brands across different industries. Rather than chasing short-term ranking spikes, he focuses on building systems that compound over time through strong technical foundations, meaningful content, and clear measurement of results. This philosophy reflects the idea behind Big Wall Digital itself: growth is rarely achieved through shortcuts, but through steady, strategic climbs that deliver lasting impact.
Beyond client work, Cez continues to explore how search is evolving in the age of artificial intelligence. As AI-driven search and generative engines reshape how people discover information, he experiments with new approaches that help brands remain visible and trusted online. For him, digital marketing is not just about algorithms, but about helping businesses tell their story in a way that the right people can discover, understand, and trust.
Before focusing fully on digital marketing and search strategy, Cez spent several years living and working abroad, including time in China where he taught English while exploring different cultures and building online projects on the side. These experiences helped shape the way he thinks about the internet today. Traveling across countries, running travel blogs, and working remotely taught him how people search for information, how cultures interact online, and how digital platforms can connect businesses with audiences across borders.
Over the years, Cez has worked with startups, SMEs, and established brands across different industries. Rather than chasing short-term ranking spikes, he focuses on building systems that compound over time through strong technical foundations, meaningful content, and clear measurement of results. This philosophy reflects the idea behind Big Wall Digital itself: growth is rarely achieved through shortcuts, but through steady, strategic climbs that deliver lasting impact.
Beyond client work, Cez continues to explore how search is evolving in the age of artificial intelligence. As AI-driven search and generative engines reshape how people discover information, he experiments with new approaches that help brands remain visible and trusted online. For him, digital marketing is not just about algorithms, but about helping businesses tell their story in a way that the right people can discover, understand, and trust.
Jehz Lau
Jehz Lau is the Gather Architect at Big Wall Digital and a veteran web developer with more than 20 years of experience in WordPress development and digital platforms. Over the course of his career, he has worked as a consultant and developer for major organizations in the Philippines, contributing to digital projects for companies such as SM, Ayala, Globe, Robinsons, Grab, and other leading brands. His work focuses on building reliable, scalable websites that combine strong technical foundations with thoughtful user experience.
With deep expertise in WordPress architecture, web development, and digital infrastructure, Jehz has helped organizations strengthen their online presence through well engineered websites and custom solutions. His experience spans corporate websites, e commerce platforms, and complex web systems where performance, security, and usability are critical. Known for his ability to solve technical challenges efficiently, Jehz brings both strategic thinking and hands on development skills to every project he works on.
At Big Wall Digital, Jehz leads the agency’s Gather architecture initiatives, designing interactive digital environments that allow teams and communities to collaborate online. His work blends technology and creativity to build engaging virtual experiences that extend beyond traditional websites. With a passion for innovation and experimentation, Jehz continues to explore new tools and technologies that help businesses create meaningful digital interactions.
With deep expertise in WordPress architecture, web development, and digital infrastructure, Jehz has helped organizations strengthen their online presence through well engineered websites and custom solutions. His experience spans corporate websites, e commerce platforms, and complex web systems where performance, security, and usability are critical. Known for his ability to solve technical challenges efficiently, Jehz brings both strategic thinking and hands on development skills to every project he works on.
At Big Wall Digital, Jehz leads the agency’s Gather architecture initiatives, designing interactive digital environments that allow teams and communities to collaborate online. His work blends technology and creativity to build engaging virtual experiences that extend beyond traditional websites. With a passion for innovation and experimentation, Jehz continues to explore new tools and technologies that help businesses create meaningful digital interactions.
Elizabeth Yeo
Elizabeth Yeo is a Marketing and Account Executive at Big Wall Digital, where she works closely with clients to support their digital marketing and SEO initiatives. She is known for her strong communication skills and her passion for championing purposeful products and services. Elizabeth believes that every brand has a unique story to tell, and she enjoys helping businesses uncover that story and share it in a way that resonates with their audiences.
Elizabeth began her journey in digital marketing through hands-on apprenticeships and training programs that allowed her to gain real-world experience across multiple disciplines. She previously worked as a Social Media Intern with MARIO Education, where she helped manage and create content for various social media platforms while supporting the company’s presence at international conferences.
Her earlier experience as a Legal Trainee also gave her exposure to corporate environments, including legal research, mergers and acquisitions, and client communications. These diverse experiences helped shape her structured and analytical approach to client work.
At Big Wall Digital, Elizabeth first joined as a Digital Marketing Apprentice before transitioning into her current role as an Account Executive. In this position she contributes to SEO research, website development projects, and client servicing while continuing to develop her expertise in digital marketing strategy. Elizabeth is passionate about the evolving world of marketing and enjoys learning about new technologies, digital trends, and creative ways to connect businesses with their audiences. Through her work, she aims to help brands grow while building meaningful relationships with the clients she serves.
Elizabeth began her journey in digital marketing through hands-on apprenticeships and training programs that allowed her to gain real-world experience across multiple disciplines. She previously worked as a Social Media Intern with MARIO Education, where she helped manage and create content for various social media platforms while supporting the company’s presence at international conferences.
Her earlier experience as a Legal Trainee also gave her exposure to corporate environments, including legal research, mergers and acquisitions, and client communications. These diverse experiences helped shape her structured and analytical approach to client work.
At Big Wall Digital, Elizabeth first joined as a Digital Marketing Apprentice before transitioning into her current role as an Account Executive. In this position she contributes to SEO research, website development projects, and client servicing while continuing to develop her expertise in digital marketing strategy. Elizabeth is passionate about the evolving world of marketing and enjoys learning about new technologies, digital trends, and creative ways to connect businesses with their audiences. Through her work, she aims to help brands grow while building meaningful relationships with the clients she serves.
Panha Kou
Panha Kou is an AI automation specialist who focuses on building intelligent workflows that help businesses operate more efficiently. With a strong interest in emerging technologies, Panha works on designing systems that automate repetitive processes, connect digital platforms, and streamline business operations. His work centers on helping organizations reduce manual tasks while improving productivity through practical and scalable automation solutions.
Panha has hands on experience working with automation platforms such as n8n, where he builds workflow systems that integrate multiple tools, data sources, and APIs into a unified process. By combining automation logic with artificial intelligence tools, he helps teams automate marketing, reporting, customer workflows, and internal operations. His approach emphasizes reliability, efficiency, and creating automation systems that can scale alongside growing businesses.
At Big Wall Digital, Panha supports the development of AI driven automation frameworks that enhance both marketing and operational processes. He works on connecting systems, improving data flow, and designing workflows that allow teams to focus on strategic work instead of repetitive tasks. Through continuous experimentation with new technologies, Panha contributes to building smarter systems that enable businesses to move faster and adapt to an increasingly digital world.
Panha has hands on experience working with automation platforms such as n8n, where he builds workflow systems that integrate multiple tools, data sources, and APIs into a unified process. By combining automation logic with artificial intelligence tools, he helps teams automate marketing, reporting, customer workflows, and internal operations. His approach emphasizes reliability, efficiency, and creating automation systems that can scale alongside growing businesses.
At Big Wall Digital, Panha supports the development of AI driven automation frameworks that enhance both marketing and operational processes. He works on connecting systems, improving data flow, and designing workflows that allow teams to focus on strategic work instead of repetitive tasks. Through continuous experimentation with new technologies, Panha contributes to building smarter systems that enable businesses to move faster and adapt to an increasingly digital world.
Seth Dy
Seth Dy is an AI automation specialist who focuses on helping businesses streamline operations through intelligent systems and workflow automation. With experience in building automated processes that connect different digital tools and platforms, Seth works on designing solutions that reduce repetitive work and improve operational efficiency. His approach combines practical automation strategies with modern AI tools to help teams operate faster and more effectively.
Seth has hands on experience working with automation platforms such as n8n, where he builds workflows that integrate multiple applications, APIs, and data systems into a unified process. By combining automation logic with artificial intelligence tools, he helps organizations automate marketing operations, lead management, reporting, and internal workflows. His work focuses on building reliable automation frameworks that scale as businesses grow.
In addition to automation, Seth is also experienced in LinkedIn marketing and digital marketing strategy. He helps businesses strengthen their presence on LinkedIn by developing targeted content strategies, improving brand positioning, and building meaningful professional engagement. At Big Wall Digital, Seth contributes to both automation initiatives and digital marketing efforts, helping clients leverage technology and strategic marketing to grow their visibility and business opportunities online.
Seth has hands on experience working with automation platforms such as n8n, where he builds workflows that integrate multiple applications, APIs, and data systems into a unified process. By combining automation logic with artificial intelligence tools, he helps organizations automate marketing operations, lead management, reporting, and internal workflows. His work focuses on building reliable automation frameworks that scale as businesses grow.
In addition to automation, Seth is also experienced in LinkedIn marketing and digital marketing strategy. He helps businesses strengthen their presence on LinkedIn by developing targeted content strategies, improving brand positioning, and building meaningful professional engagement. At Big Wall Digital, Seth contributes to both automation initiatives and digital marketing efforts, helping clients leverage technology and strategic marketing to grow their visibility and business opportunities online.
Ratanak Heng
Ratanak Heng is an AI automation specialist who focuses on helping businesses streamline operations through intelligent systems and workflow automation. Based in Cambodia, she works with modern AI tools and digital platforms to design automated processes that reduce manual work, improve efficiency, and allow teams to focus on higher value tasks. Her work bridges technology and business operations, helping organizations adopt practical AI solutions that create real impact.
With a strong interest in innovation and emerging technologies, Ratanak continuously explores new ways artificial intelligence can be applied in everyday business processes. She develops automation workflows that connect tools, data, and platforms into unified systems, enabling companies to scale operations more efficiently. Professionals working in automation and analytics often use AI and digitalization to generate insights, improve operational performance, and create more resilient systems.
At Big Wall Digital, Ratanak supports the agency’s automation initiatives by helping design AI-driven workflows that enhance productivity across marketing and operational processes. Her approach combines curiosity, experimentation, and practical problem solving. By leveraging automation and intelligent tools, she helps businesses adapt to the rapidly evolving digital landscape while unlocking new opportunities for efficiency and growth.
With a strong interest in innovation and emerging technologies, Ratanak continuously explores new ways artificial intelligence can be applied in everyday business processes. She develops automation workflows that connect tools, data, and platforms into unified systems, enabling companies to scale operations more efficiently. Professionals working in automation and analytics often use AI and digitalization to generate insights, improve operational performance, and create more resilient systems.
At Big Wall Digital, Ratanak supports the agency’s automation initiatives by helping design AI-driven workflows that enhance productivity across marketing and operational processes. Her approach combines curiosity, experimentation, and practical problem solving. By leveraging automation and intelligent tools, she helps businesses adapt to the rapidly evolving digital landscape while unlocking new opportunities for efficiency and growth.
