
Looking for the best business structure in Estonia for solopreneurs?
Every solopreneur starts somewhere—whether it’s a side hustle fueled by weekend grind or a passion project evolving into a full-fledged business. But while ideas can scale organically, business structures need to be intentional. Choosing the right framework from the start can mean the difference between effortless growth and frustrating legal or financial bottlenecks.
Estonia offers two standout options for independent professionals and founders: the Sole Proprietor (FIE) and the Private Limited Company (OÜ). Both serve different needs, and understanding when—and how—to transition between them ensures you’re always operating at your optimal level.
This guide breaks down the pros and cons of FIE vs OÜ for freelancers, highlights smart strategies for scaling, and showcases a strategic transition from freelancer to founder. Let’s dive in.
1. Side Hustle Mode: When to Stay Lean
The Sole Proprietor (FIE) — The easiest Freelancer setup
If you’re testing the waters with freelance work, contract gigs, or consulting, registering as a FIE (Füüsilisest isikust ettevõtja) in Estonia is the leanest way to operate. It’s quick, simple, and keeps financial obligations streamlined.
Pros:
- No share capital required – You don’t need to put up money to establish your business, making it perfect for low-risk ventures.
- Simpler taxes – Personal income tax applies directly, and reporting is more straightforward.
Cons:
- Personal liability – Your business finances are directly tied to your personal assets, meaning greater risk exposure.
- Harder to scale – Attracting investors, separating finances, or expanding operations is trickier under the FIE structure.
So, who should stick with FIE? If you’re freelancing on the side or working solo with minimal operational expenses, this model is hassle-free and efficient. But once revenue grows, liabilities increase, or you start seeking strategic expansion, switching to an OÜ (spoiler: best business structure in Estonia for solopreneurs) becomes the natural next step.
2. Going Pro: The OÜ Advantage
Private Limited Company (OÜ) — The Scalable Path Forward
When a business moves beyond solo freelancing—whether it’s growing revenue, hiring contractors, or preparing for outside investment—transitioning to an OÜ (Osaühing) is the logical next step. This structure unlocks financial security, legal separation, and credibility, making it Estonia’s top choice for serious entrepreneurs.
Pros:
- Share capital requirement – Unlike many countries that demand high startup capital, Estonia lets you launch with minimal cost, removing barriers to incorporation.
- Liability protection – Your company’s debts and liabilities stay separate from your personal finances. If things go south, your personal assets remain untouched.
- Investor-ready – If you’re planning to raise funding, pitch to VCs, or bring in partners, an OÜ is the necessary legal structure to do so.
Cons:
- Annual reporting obligations – OÜs require financial statements and tax filings, but Estonia’s digital-first approach makes this process relatively painless.
- Slightly higher administrative costs – Expect some setup fees and ongoing costs for accounting, reporting, and compliance, but these scale with your business growth.
How to register an OÜ with Unicount
So, when is the right moment to upgrade? If your freelance earnings exceed a steady side hustle or you plan to hire, reinvest profits, or seek external funding, staying a FIE could limit your potential. An OÜ grants legitimacy, security, and long-term viability.
Making the shift doesn’t have to be daunting, especially with Estonia’s streamlined company registration process and digital-first infrastructure. In the next section, we’ll explore how solopreneurs can manage an OÜ remotely, no matter where they are in the world.
3. Nomad Special: Running an OÜ from Abroad
Managing a Private Limited Company (OÜ) Without Being in Estonia
One of Estonia’s biggest advantages for entrepreneurs—especially digital nomads and remote founders—is the ability to manage an OÜ entirely online. Thanks to the country’s groundbreaking e-Residency program, you can establish, operate, and grow your business from anywhere in the world.
Key Considerations for Remote OÜ Owners:
- Banking & Payments: While Estonia offers digital-first banking options, traditional banks often require in-person visits to open an account. Luckily, many fintech alternatives—like Wise or Revolut—allow you to handle payments without ever setting foot in Estonia.
- Taxes & Compliance
- Estonian corporate tax system: Profits only get taxed when distributed as dividends, making it tax-efficient for growth-focused businesses.
- If you reside outside Estonia, personal tax obligations depend on your home country’s tax laws, so consulting a tax advisor is smart.
- Virtual Office & Address Requirement: Every Estonian OÜ needs a local legal address. If you don’t have a physical presence, using a virtual office service (like Unicount) ensures compliance while keeping paperwork simple.
Managing an OÜ remotely is a game-changer for solopreneurs who want to tap into Estonia’s business-friendly environment while enjoying location independence. Let’s explore how to go from FIE to OÜ.
4. How to Upgrade Your Structure (Without the Headache)
Step-by-Step: Transitioning from FIE to OÜ via Unicount
Making the leap from Sole Proprietor (FIE) to Private Limited Company (OÜ) might sound like a bureaucratic maze, but Estonia’s streamlined system makes it surprisingly simple—especially when you use an e-Residency-compatible service like Unicount.
Step 1: Register Your OÜ Online
- Use Unicount’s one-step registration to set up your OÜ in minutes.
- You’ll need a legal address & contact person in Estonia (if you’re managing remotely, virtual services handle this).
- Pay the €265 state fee to complete the process.
Step 2: Transfer Assets & Clients
- Any active contracts, assets, or intellectual property held under FIE should be formally assigned to your new OÜ.
- If necessary, notify clients & update invoices with your new company details.
Step 3: Close Your FIE (if needed)
- If you no longer need your FIE, submit a closure request to the Estonian Tax and Customs Board.
- Note that previous tax obligations still apply, so it’s wise to consult an accountant for a smooth transition.
Step 4: Optimize for Growth
- Set up business banking—either via a traditional Estonian bank (if visiting Estonia) or fintech alternatives like Wise or Revolut.
- Ensure accounting & reporting to meet OÜ accounting requirements.
- Leverage Estonia’s tax advantages—profits stay untaxed until distributed, meaning more resources for scaling.
Switching from FIE to OÜ can unlock long-term stability, investment potential, and legal protection—without an overwhelming bureaucratic mess. With Unicount’s digital-first approach, solopreneurs can upgrade seamlessly and focus on building their business rather than getting stuck in admin.
Looking for the best business structure in Estonia for solopreneurs? Transitioning from FIE to OÜ opens up new opportunities—better liability protection, investor readiness, and a streamlined tax system designed for growth. With Unicount, registering your OÜ takes just minutes, so you can focus on scaling instead of getting bogged down in paperwork.
Start your upgrade today—Register your OÜ with Unicount now and take the next step in your solopreneur journey! 🚀