私のワンマンエージェンシーは月商1万3,500ドル（$13.5K）を稼ぐ
月商 $13,500 · 創業者1人 · 従業員1人 · Deventer
Philip Wallage（Founder, BTNG.studio）· 創業 January 2024 · 記事掲載 March 13th, 2026 · btng.studio · 元の記事
創業者が20年以上のUXデザイン経験を活かし、ECサイトのコンバージョン問題に特化。顧客獲得はLinkedInでの直接アプローチ、Instantly.aiを使ったコールドメール、Dux SoupによるLinkedIn自動化が中心。紹介や過去のクライアントからの推薦も大きい。月商1万3,500ドル（約200万円）・創業者1人・従業員1人は2026年3月の記事掲載時点。
売値の出典: 記事の本文（2026年3月時点、1ドル・1ユーロ150円で換算）（2026-10-13 取得）
I’m Philip Wallage, a Dutch UX designer running BTNG.studio. For 20 years, I’ve worked on conversion problems for ADIDAS, KLM, LEGO, Philips. Then I went solo because I was tired of agency structure—no handoffs, no layers between the client and the work. BTNG is simple: I find the exact conversion problems on e-commerce stores and fix them. My customers are Dutch companies doing €1M–€10M annually. They have traffic and marketing. They need a senior designer but can’t justify the €60K salary. What makes me different is direct access. You get 20 years of pattern recognition, not a junior designer behind three account managers. I’ve audited hundreds of checkouts. I know where the problem is before I open your site. Revenue dropped to €140K last year after cutting poor-fit clients. This year I’m targeting €200K. The real goal is four monthly subscribers at €6,800 each—€32,400 in predictable revenue every month.
I spent years as a corporate B2B web application designer. Good work, steady money, zero passion. Then I started training other freelancers on productization and niche positioning. The irony hit me: I wasn’t practicing what I preached. So I niched down to e-commerce. It wasn’t an aha moment. It was trial and error. I could design anything, but I realised I was strongest—and most interested—in conversion problems. E-commerce is measurable. You can see exactly what breaks. You can fix it and prove the impact. That’s when BTNG clicked. Not because it was the perfect idea. Because it was the right idea I was actually willing to commit to.
Philip Wallage built BTNG.studio by leveraging his 20 years of experience in UX design to identify conversion problems on e-commerce stores and provide solutions. He used his expertise to develop a niche positioning in the market targeting Dutch companies with an annual revenue of €1M-€10M. The development process involved creating a website that showcased his skills and offerings, which he continuously iterated on before launching. Wallage focused on direct outreach through LinkedIn, cold emails using Instantly.ai, and LinkedIn automation with Dux Soup to drive initial traction and growth for his business. Through consistent marketing efforts and delivering results, he was able to scale BTNG.studio and attract referrals from satisfied clients. Throughout the journey, the biggest lesson he learned was the importance of focusing on profitable clients and saying no to poor-fit opportunities, ultimately leading to increased revenue for the business.
Honestly, there was no big bang moment. I spent way too long perfecting the website, changing it over and over. Then at some point it just went live. That was the launch. The real work started after. I leaned on my network. LinkedIn followers, people I knew, people who’d seen my work. I reached out directly: here’s what I’m doing, here’s how I can help, want to work together? I don’t believe in the magic launch theory where customers suddenly appear. That’s not how it works. You launch the website, then you get to work. Marketing and outreach. Consistency. That’s it. My first clients came from existing relationships and direct outreach.
Growth came from three channels: LinkedIn outreach, cold email via Instantly.ai, and LinkedIn automation with Dux Soup. I post consistently on LinkedIn because that’s where my ICP hangs out. E-commerce managers, founders, heads of digital. They’re scrolling between meetings. Cold email works because it’s direct. No algorithm, no noise. Just: here’s a specific problem I solve, here’s proof I’ve solved it, let’s talk. The real growth though came from referrals and past clients recommending me. That only happens when you deliver results. My recommendation: pick one channel, commit for three months, measure it, then decide. Most people jump channels before they actually work.
The hardest lesson: do the thing you know you need to do but don’t want to do. I spent years designing everything. Taking every client. Building features nobody asked for. I was busy but not profitable. The breakthrough came when I stopped. I cut clients that weren’t a fit. I stopped designing outside my niche. I started saying no. That’s when revenue grew. Most freelancers make the same mistake. They think more clients mean more money. It doesn’t. Better clients at higher rates mean more money. Saying no to the wrong fit is harder than saying yes. But it’s the only way forward. Do the hard thing first.
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