Tech Enthusiast.
Young Founder.
I'm Istiak Ahmed Sourav, a Bangladeshi entrepreneur born on August 27, 2003. I started freelancing at 14 and founded Brandmoshai at 19 — a digital agency now serving 50+ clients.
Today, I lead Doo Limited and its subsidiaries, building digital products that empower businesses. As CTO at Egitsoft since 2017, I've led engineering teams delivering enterprise software across Asia.
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Journey
Experience
Co-Founder & Chairman
2022 — PresentDoo Limited
Leading a businesses of technology, hosting, and e-commerce subsidiaries.
Founder & CEO
2020 — PresentBrandmoshai
Built and scaled a full-service digital & branding agency serving 50+ startups.
Chief Technology Officer
2017 — PresentEgitsoft
Leading engineering teams to deliver enterprise software solutions for clients across Asia.
Freelance Developer
2017 — 2020Self-Employed
International freelancing in web development, graphic design, and e-commerce solutions.
Education
B.Sc. Innovation & Entrepreneurship
2023 — PresentDaffodil International University
Focusing on entrepreneurship, business strategy, and technology management.
Frequently Asked Questions
Everything you need to know about my ventures and background.
What does Doo Limited do?
What services does Brandmoshai offer?
How did you start your career?
What is SOURAV57?
Are you available for partnerships?
What is D2?
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Years in Digital
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Clients Served
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Companies
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Team Members