UK, May 31: A 45-year proud Odia Arun Kar is now standing among the UK multimillionaires being a lattice point in the Biz Elite Club in the developed nation, for his worth $ 145M.
Kar who was once upon a time a growing millionare in UK according to the Forbes Councils, is now a leading group of companies according the UK Government’s Industrial and entrepreneurial landscapes.
In early 2025, the company was independently valued at over $100 million, a figure verified by both a SEBI-registered Category-I Merchant Banker and a UK-based valuation firm, with a highlanding milestone reported across the London Stock Exchange (LNS).
Kar is a distinguished technocrat, military veteran, and impact-driven investor with a career spanning over two decades.His expertise spans multiple domains, including safeguarding mother India, information technology, and entrepreneurship, establishing him as a dynamic and visionary leader.
As the Founder of the Nest Group-a multinational conglomerate comprising Xpertnest, Earthnest, and Gamenest among other volunterring organisations-Arun is dedicated to driving digital innovation, IT solutions, and sustainability. Expanding his leadership portfolio, he also serves as the Executive Director & Producer at Golden Mouse Productions Pvt. Ltd., a Mumbai-based, National Award-winning media and entertainment company known for creating high-quality, impactful content.
Born in Odisha, India, and raised in a modest household, Kar’s early life was marked by adversity.
One of the most defining moments came in 1999, when he survived the devastating Super Cyclone that ravaged the eastern coast of India.
The formative experience, gathered from water & wind planted the seeds of a lifelong mission to Kar, to build up solutions that serve both people and planet.
Kar’s path initially led to military service. After clearing India’s Combined Defence Services (CDS) examination with an all-India rank of 152, he was commissioned into the Indian Army’s Artillery Arm. For seven years, he served with distinction, often in some of the country’s most demanding environments.
Following his military tenure, Kar transitioned to the corporate world, working with leading global IT firms including Tech Mahindra and Virtusa. There, he gained exposure to digital transformation, enterprise systems, and global operations — insights that laid the foundation for his entrepreneurial vision.
In 2016, he founded Xpertnest alongside partners Chintan Panara and Pradip Butani. With no external funding, the team started from scratch — quite literally from their living rooms. Their first project brought in just $900. But what followed was nearly a decade of steady, values-driven growth.
Now, the company is a global digital innovation firm headquartered in London, with operations spanning the UK, Europe, India, and the Middle East.
The company’s portfolio includes smart city infrastructure, AgriTech platforms supporting Indian farmers, and critical applications for Fortune 500 companies and national law enforcement agencies.
Their technology has powered everything from 5G event solutions to IoT-based utility management systems.
Notably, several of their applications have been featured in Apple’s enterprise success stories — a testament to the firm’s technical acumen and real-world impact.
In a bid to thinking a greeber and better mother earth, Kar’s ambitions extend beyond technology. In recent years, he launched Earthnest, a sustainability venture focused on biodegradable and plastic-free packaging solutions.
The company’s flagship product — Bio Bags — aligns with the United Nations Sustainable Development Goals and is already in use across the UK, including a successful trial with Paultons Park, one of Britain’s top family attractions.
In May 2025, Arun Kar’s personal net worth was independently assessed and certified at $145 million by a SEBI-registered Category-I Merchant Banker, based on his equity in Xpertnest, stakes in other high-growth ventures, and a portfolio of income-generating real estate. Yet, despite reaching multimillionaire status.
Arun's exceptional leadership and steadfast commitment to eco-friendly, forward-thinking business practices have earned him widespread recognition on a global scale.
Arun Kar's professional journey is marked by numerous notable achievements.
He holds a Guinness World Record, has been prominently featured on the cover of Forbes magazine, and is the recipient of esteemed honors, including the Mahatma Gandhi Samman, Global Indian of the Year, and Business Person of the Year. These accolades underscore his visionary leadership and unwavering commitment to advancing sustainable and ethical business practices. Education Arun's educational journey reflects his academic excellence and exceptional leadership potential.
He successfully cleared the highly competitive Combined Defence Services (CDS) Examination, conducted by the Union Public Service Commission (UPSC and SSB), on his first attempt, achieving an impressive All India Rank of 152.
This accomplishment paved the way for his entry into the Indian Army, where he refined his leadership skills through rigorous training and service. Arun also holds a Bachelor of Science degree and has further enhanced his business acumen by completing an Executive MBA program at the prestigious Indian Institute of Management (IIM) Bangalore, solidifying his expertise in business and management.
Arun Kar, spouse Nidhi Kar, and three children are now settled in UK where he seamlessly balances his professional accomplishments with a rich and fulfilling family life, embodying the essence of work-life harmony.
Arun Kar's distinguished career began with his service in the Indian Army, where he honed his skills in discipline, resilience, and strategic thinking. Following his military tenure, he transitioned into the corporate world, founding the Nest Group, which includes Xpertnest, Earthnest, and Gamenest. Under his visionary leadership, the group has evolved into a global leader, driving advancements in digital technology, IT solutions, and environmental sustainability.
As a impact-driven investor, Arun actively champions visionary entrepreneurs, providing strategic investments to scale-up ventures and foster innovation.
He collaborates with C-level executives and leads teams of founders and CEOs, advocating for corporate governance rooted in integrity, transparency, and ethical practices. Appearance
From a distinguished military veteran to a globally recognized entrepreneur, Arun's journey is nothing short of inspirational. His unwavering dedication to innovation, sustainability, and ethical leadership has left an indelible mark on the global business landscape, setting a high standard for future leaders to emulate.
