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Leading Cards Case study header by ofspace

How We Built LeadingCards From Scratch for Media Buyers Who Scale Fast

LeadingCards came to us with a clear idea and a real problem to solve.Media buyers and advertisers needed a better way to manage ad spend using virtual cards. Existing solutions felt either too rigid, too complex, or not built for people running campaigns at scale.

The product vision was strong, but there was no brand, no website, and no clear way to communicate trust in a space where security matters.We were brought in to design and build everything from the ground up. Branding, website design, and development.

About the Project

LeadingCards is a virtual card platform built for media buyers and advertisers who manage ad spend at scale. The product allows users to instantly issue virtual cards, control budgets, and run campaigns with more flexibility and security.

We worked with the LeadingCards team from day one. There was no existing brand, no website, and no visual system in place.

Our role was to design and build the foundation from scratch, including branding, website design, and front-end development.


The goal was simple but high-stakes. Create a brand and website that clearly explain the product, feel trustworthy from the first interaction, and speak directly to media buyers who move fast and expect control.

Leading Cards ID branding by ofspace
Leading Cards bank card presentation by ofspace
Leading Cards bank card branding by ofspace
Leading Cards T shart branding by ofspace
Leading Cards typography presentation by ofspace
Leading Cards bank card presentation 02 by ofspace
Leading Cards logo presentation by ofspace
Leading Cards cup branding by ofspace

The Challenge

The main challenge was trust.LeadingCards operates in a space where users deal with money, ad platforms, and sensitive data. Media buyers make quick decisions, but they do not experiment with tools that feel unclear or unfinished.

We needed to communicate three things immediately. What the product does. Who it is for. Why it is safe to use. At the same time, the website had to stay simple. Media buyers do not read long explanations. They scan, decide, and move on. The experience had to respect that behavior.

Leading Cards header presentation by ofspace
Leading Cards bank card branding 02 by ofspace
Leading Cards visit card branding 02 by ofspace
Leading Cards logo mockup presentation by ofspace
Leading Cards bank card presentation 03 by ofspace

Our Approach

We started by understanding how media buyers actually work. Their priorities are speed, visibility into spend, flexibility across platforms, and confidence that nothing will break mid-campaign.

Leading Cards logo sketches 02 by ofspace

Brand foundation

Before designing screens, we defined the brand direction. LeadingCards needed to feel secure, professional, and operationally reliable. Not experimental and not decorative.

We built a visual language that supports trust. Calm colors, strong typography, and a clear hierarchy were used to make the product feel stable and credible from the first glance.

Website UX and structure

The website was designed around clarity. Every section answers a real question a media buyer would ask. The hero section clearly states the value. Secure virtual cards for media buyers and advertisers, with instant issuance and spend control.

From there, the flow explains how the product works, how it helps manage ad spend, and why it can be trusted. We avoided unnecessary marketing language and focused on straightforward explanations.

Leading Cards bank card presentation 04 by ofspace
Leading Cards ID branding 02 by ofspace

Design for conversion

Visual design supported understanding, not decoration. Layouts were clean, spacing was intentional, and calls to action were clear.

Key features such as instant card creation, budget control, and scalability were presented in a way that maps directly to how media buyers operate day to day.

Development and performance

We built the website to be fast, responsive, and easy to maintain. Performance and reliability were treated as part of the brand experience.The site works smoothly across devices, with special attention to mobile, since many users manage campaigns on the go.

The structure allows the product and marketing pages to scale without needing redesigns later.

Leading Cards bank card and logo presentation by ofspace

Typography & Colour

General Sans was chosen for its clarity and neutrality. It brings a calm, modern tone to every interface and keeps the brand’s communication clean and readable at all sizes.

The colours are intentionally restrained — deep purples for authority, bright accents for energy, and a gradient system that brings depth without distraction. The palette reinforces the feeling of moving from complexity toward focus.

Leading Cards typography presentation 02 by ofspace
Leading Cards color plate by ofspace

LeardingCard App and Mobile
Responsive Overview

LeardingCard was designed to work seamlessly across web and mobile, ensuring users could access key features anytime, anywhere. We focused on creating a consistent experience across devices, with layouts that adapt smoothly to different screen sizes without losing clarity or usability.

On mobile, the interface prioritizes speed and simplicity, making core actions easy to find and complete. On larger screens, the design scales thoughtfully to present more information without overwhelming users. Every interaction was optimized for touch, readability, and flow, resulting in a responsive product that feels intuitive, fast, and reliable across all platforms.

Leading Cards Header secation design by ofspace
Leading Cards instant issuance secation mobile responsive design by ofspace
Leading Cards cards for personal responsive design by ofspace
Leading Cards Header secation mockup design by ofspace

The Result

LeadingCards launched with a clear brand identity and a website that communicates trust immediately.


Visitors understand the product within seconds. The experience feels professional and focused. The website supports conversion instead of distracting from it.

Most importantly, LeadingCards now has a solid foundation. As the product grows and new features are added, the brand and website are ready to scale without losing clarity or credibility.

What This Project Reinforced

This project reinforced a simple truth. In fintech and adtech products, clarity builds trust. When users are dealing with money and ad spend, design decisions must reduce doubt, not add complexity.

Most importantly, LeadingCards now has a solid foundation. As the product grows and new features are added, the brand and website are ready to scale without losing clarity or credibility.

Leading Cards T shart branding 02 by ofspace

What clients love to Tell about us

Answer to your questions

How do I request a UI/UX design project?

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Who founded Ofspace?

Ofspace was founded by Sheikh Al Raihan and Surja Sen Das Raj, two digital design leaders who built the agency to help startups and enterprises scale through high-impact UI/UX and branding.

Where is Ofspace located?

Ofspace serves clients across the USA and Canada, as well as worldwide, while its main headquarters is located in Bangladesh.

What services does Ofspace provide?

What makes Ofspace different from other design agencies?

At Ofspace, we design with purpose. We focus on solving real problems that startups face, such as high churn, low retention, and poor onboarding. We partner with founders to create growth-driven UI/UX designs that help scale products, attract investors, and boost user engagement. Unlike many design agencies that focus on aesthetics, we build designs that move the needle on your business metrics.

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We understand that time is crucial for startups. At Ofspace, we set clear milestones and deliver fast, consistent results. Our transparent process ensures that you always know what’s happening, and we aim to deliver investor-ready designs on time, every time. You can expect your first design samples within 48 hours of your request, keeping your startup on track for faster go-to-market timelines.

Do you work with startups at every stage of growth?

Yes! Whether you're in the idea validation phase, building an MVP, or scaling for growth, we offer customized design solutions that meet your specific goals. We understand that every startup’s journey is unique, and we tailor our approach to suit your needs — whether you’re launching a new product or improving an existing one.

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startup goals?

Our design process is rooted in strategic thinking. We collaborate closely with you to understand your business goals, growth metrics, and user needs. Every design decision we make is driven by data, user insights, and your startup’s key performance indicators (KPIs). This ensures that our designs don’t just look great—they drive business growth.

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What industries does Ofspace specialize in?

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How do you ensure design quality?

Quality is at the heart of everything we do. From the initial concept to the final launch, we follow a user-centered design process that emphasizes continuous testing, feedback, and iteration. Our team of expert designers works closely with you to ensure the product not only looks amazing but also delivers the best user experience and meets your business objectives.