About Us

We are a results-driven digital marketing and SEO agency dedicated to growing your online presence.

About Us

AI marketing & automation systems for lean, predictable growth

One Man Agency (OMA) is a lean, senior-led partner that builds conversion-focused websites, AI chat/voice agents, and workflow automations that turn clicks into customers. We help founders and small teams scale faster—without big-agency overhead or long timelines.

Our Vision

To be the most trusted lean growth partner for SMEs worldwide—where every business runs on smart, automated systems that turn clicks into customers with clarity, speed, and control.

Our Mision

Build lean, end-to-end growth systems—conversion-focused websites, AI agents, and workflow automations—that help small and midsize teams capture more leads, respond instantly, and scale profitably.

200

%

Project Complete

150

+

Trusted Clients

120

+

Winning Awards

85

+

Professional Team

At One Man Agency, we believe businesses don’t need bloated teams or expensive retainers to achieve real growth. Our model is lean, efficient, and built around delivering maximum results with minimum overhead.

Founded by Gavin Sim, an 8-figure entrepreneur and COO of Modern Wealth Academy, One Man Agency brings the expertise of a seasoned business leader into a streamlined agency structure. This approach allows us to deliver enterprise-level automation, AI solutions, and CRM systems without the complexity or cost of traditional agencies.

With years of experience across multiple industries and a proven track record in scaling businesses, we’ve helped clients transform operations, boost customer engagement, and unlock new revenue opportunities. Backed by modern tools and strategies, our agency is designed to give companies the edge they need to thrive in today’s fast-changing digital economy.

Trusted by growing brands and featured in media outlets, we combine credibility with innovation — offering not just services, but measurable business outcomes.

Lean. Battle-tested. Results-driven. That’s the One Man Agency difference.

Get a Free Audit + Plan to Automate, Capture, and Scale!

Book a free 20-minute audit to identify automation opportunities in your business. No obligations, just actionable insights.

Address: 10 Ubi Cres, Singapore 408564

Phone: +65 87784739

Privacy Policy

Terms & Conditions

Disclaimer

Support

Join Our Newsletter

Get exclusive insights on automation, AI, and system building—delivered weekly.

© Copyright One Man Agency . 2025 All rights reserved.

Privacy Policy | Terms & Conditions | Disclaimer