
Ransomware, data leaks, GDPR violations, accidental loss of critical files: By 2026, the question will no longer be whether an incident might occur, but when it will occur and how prepared you’ll be to handle it.
Yet many companies, freelancers, and startups continue to store their sensitive data on solutions with weak security, either out of convenience or habit. A client contract sent by email, a database shared via a public link, accounting documents in a folder accessible to the entire team without specific access controls… These habits are security vulnerabilities.
The cloud storage market has evolved significantly. The conversation is no longer limited to capacity or price, but now includes end-to-end encryption,zero-knowledge architecture, regulatory compliance, and complete control over one’s own files. These concepts were, as recently as five years ago, primarily the domain of large enterprises or highly technical professionals.
In this comparison, we’ve selected four solutions that are particularly well-suited to the needs of small businesses entrepreneurs, microbusinesses, and startups: Proton Drive, MEGA, Box, and Google Drive. They offer different approaches and have distinct market positions, but they all share the same goal: to let you store, share, and collaborate with complete peace of mind.


Proton Drive is the natural extension of Proton Mail, the encrypted email service that has established itself as a leader in privacy. Developed by researchers at CERN in Geneva, the Proton suite is based on a fundamental principle: not even its own teams can access your data.
End-to-end encryption is applied here to all stored files, not just communications. This means that your documents are encrypted locally, on your device, before they are even uploaded to the servers. As a result, even if Proton’s infrastructure were hacked, the data would remain completely unreadable.
Zero-knowledge architecture goes even further: Proton technically does not have the ability to decrypt your files, even under legal compulsion. This is one of the reasons Proton has earned a solid reputation among journalists, activists, and professionals bound by confidentiality (lawyers, doctors, accountants).
Notable features include: file sharing via password-protected links, folder-based access management, and native integration with Proton Mail, Proton Calendar, and Proton VPN (also available on Freelance Stack). A comprehensive suite for anyone who wants to centralize their tools while maintaining control over their digital life.
The app is available on iOS, Android, Windows, macOS, and Linux, and includes a fully functional desktop sync client.
For freelancers and consultants who value confidentiality:
Lawyers, HR consultants, accountants entrepreneurs, therapists, journalists... Anyone who handles sensitive data on a daily basis will find that Proton Drive offers a solution that meets their legal and ethical obligations. Zero-knowledge encryption provides a level of protection that few other platforms can guarantee.
For startups in the growth phase:
A startup that is raising funds, protecting its intellectual property, or managing customer data under the GDPR needs a secure infrastructure from the start. Proton Drive integrates well into a privacy-focused tech stack, especially if the team is already using Proton Mail.
For small distributed teams:
Synchronization between devices is seamless, folder sharing is simple, and the interface requires no special training. Ideal for teams of 2 to 15 people who want a turnkey solution without compromising on security.


MEGA has carved out a unique reputation in the cloud ecosystem: it is one of the few platforms to offer end-to-end encrypted storage with a substantial free plan. Founded in 2013 in Auckland, New Zealand, the platform now has more than 300 million registered users worldwide.
MEGA's generous storage capacity is one of its most notable strengths: 20 GB free upon sign-up (with options to temporarily expand storage through specific promotions). But beyond the numbers, it's the security architecture that deserves attention.
Like Proton Drive, MEGA uses client-side end-to-end encryption. Your encryption keys are generated locally and are never transmitted in plain text to the servers. As a result, MEGA cannot technically access your files, even if asked to do so.
The platform also stands out for its secure sharing links: you can share a file with a password, set an expiration date for the link, and even protect certain folders with specific permissions. The built-in chat feature (MEGAchat) allows for encrypted conversations directly within the interface.
The MEGA sync client is available on all major platforms. An open API also allows MEGA to be integrated into automated workflows for technical users.
For freelancers looking for the best value for their money:
With 20 GB of free storage and Pro plans starting at just a few euros per month, MEGA is unbeatable for a " entrepreneur " looking to secure their files without spending a lot. The storage-to-price-to-security ratio is hard to beat in this segment.
For creative and technical roles:
Graphic designers, video editors, developers, architects... Anyone who works with large files will appreciate the high storage capacity of the Pro plans and the platform's satisfactory transfer speeds.
For teams that share a lot of large files:
Sharing large files (raw video footage, data exports, 3D prototypes) is easy and doesn't require the recipient to have a MEGA account. Sharing links work perfectly for one-time exchanges with clients or partners.


Box is often touted as the cloud storage solution designed “by and for businesses.” Founded in 2005 in California, the platform has always focused on collaboration, access control, and integrations with the business ecosystem, rather than on reaching the general public.
As a result, Box is now used by more than 100,000 organizations worldwide, including many large Fortune 500 companies. However, its rich feature set is also fully accessible to small and medium-sized businesses and startups with structured collaboration needs.
Box's greatest strength is its granular permission management system. You can precisely define who can view, comment on, edit, or download each file or folder, and apply these rules across an entire organization. This is particularly useful for teams that work with clients, external partners, or service providers.
Box also offers data encryption at rest and in transit, with the option for Enterprise customers to use their own encryption keys (BYOK—Bring Your Own Key). This is a rare feature that provides complete control over cryptographic keys.
The integration ecosystem is impressive: Microsoft 365, Google Workspace, Slack, Salesforce, Zoom, Adobe, and hundreds of other apps connect natively to Box. This makes it a potential central hub in a complex collaborative workflow. The Box Sign feature allows you to manage electronic signatures directly from the platform.
For teams with advanced collaboration needs:
Box is the go-to solution for teams that need to manage access with precision, collaborate on documents in real time, and maintain an accurate history of changes. If your business involves many internal and external stakeholders, Box offers a structure that is hard to match.
For regulated sectors and sensitive professions:
Law firms, accounting firms, medical practices, digital services companies, and communications agencies working with major corporations... Box offers comprehensive compliance certifications (HIPAA, SOC 2, ISO 27001, FedRAMP) that simplify audits and meet the most stringent regulatory requirements.
For growing small and medium-sized businesses with an existing SaaS stack:
If your company already uses Microsoft 365, Slack, or Salesforce, Box integrates seamlessly into your environment right away. It’s a content hub rather than just a storage space.


Google Drive needs no lengthy introduction: with more than 3 billion active users, it is by far the most widely used cloud storage solution in the business world. Its inclusion in this comparison, however, warrants an honest analysis, particularly regarding the trade-offs that must be accepted in terms of security and privacy.
Google Drive's real value proposition is its seamless integration with Google Workspace (Docs, Sheets, Slides, Meet, Gmail, Calendar). Real-time collaboration on documents, suggested edits, in-line comments, and version history—everything works seamlessly, quickly, and requires no special installation.
For a team that’s already working within the Google ecosystem, Drive is a no-brainer. File search performance is excellent (Google knows what it’s doing), mobile access is flawless, and synchronization across devices is seamless.
on plan In terms of security, Google Drive uses encryption in transit (TLS) and at rest (AES-256). What sets it apart from alternatives like Proton Drive or MEGA is that Google can technically access your data to analyze it, particularly to personalize its services or in response to legal requests. It is not zero-knowledge encryption.
However, Google has enhanced its security features for Workspace accounts: strong authentication, device control, access logging, and a "Client-Side Encryption" (CSE) program that allows Enterprise plans to implement client-side encryption similar to what Proton or MEGA offer.
For freelancers and " entrepreneurs " who are highly focused on productivity:
If your daily routine revolves around writing, managing collaborative projects, video calls, and shared spreadsheets, Google Drive is hard to do without. The richness of the Workspace ecosystem more than makes up for any limitations regarding absolute privacy.
For startups focused on speed of execution:
Onboarding a new employee or contractor into Google Drive takes five minutes. The learning curve is virtually nonexistent, the productivity tools are powerful, and everyone already knows how to use them. During a phase of hypergrowth, this simplicity is truly valuable.
For teams that rely on real-time collaboration:
No solution in this comparison can rival Google when it comes to simultaneous collaborative editing of documents. If your organization frequently works on presentations, specifications, or reports created by multiple authors, Google Drive remains the gold standard.

Here’s a way to approach this table: each solution has its own strengths, and the best choice depends primarily on your priority—maximum confidentiality, budget control, advanced collaboration, or day-to-day productivity.
| Criterion | Proton Drive | MEGA | Box | Google Drive |
|---|---|---|---|---|
| Zero-knowledge encryption | ✅ Yes | ✅ Yes | ⚠️ Partial (Enterprise plans) | ❌ No (standard) |
| Free Storage | 1 GB | 20 GB | 10 GB | 15 GB |
| Admission fee (paid plan) | ~10 s per month | ~5 s per month | ~10 € per user per month | ~7 €/user/month |
| Real-time collaboration | ⚠️ Limited | ⚠️ Limited | ✅ Yes | ✅ Excellent |
| Regulatory Compliance | ✅ GDPR (CH) | ✅ NZ | ✅ HIPAA, SOC 2, ISO 27001 | ✅ As per plan |
| Third-Party Integrations | ✅ Proton Suite | ⚠️ Via API | ✅ 1500+ | ✅ Google Workspace |
| Ideal for | Privacy | Budget/Volume | Companies | Productivity |
Prices are approximate and subject to change. Please check directly with each publisher.
Here are some answers to questions that come up frequently when comparing business cloud storage solutions.
The zero-knowledge principle means that the solution provider technically has no access to your data, even if it wanted to. Files are encrypted directly on your device before being sent to the servers. Only you (or the people with whom you’ve shared the key) can decrypt them. This is the highest possible level of security, and both Proton Drive and MEGA offer it natively.
In the vast majority of cases, yes. A local hard drive can be stolen, damaged, or corrupted. A good cloud provider maintains multiple redundant copies of your data in geographically distributed data centers, with regular backup procedures and dedicated security teams. The real risk with the cloud is more about privacy than availability or durability.
The key question is: What is your top priority? If it’s privacy, go with Proton Drive or MEGA. If it’s large-scale team collaboration, Box or Google Drive will be a better fit. If you’re on a very tight budget, MEGA—with its 20 GB of free storage—is hard to beat. If your team already uses Google Workspace, Drive integrates seamlessly.
All four are GDPR-compliant, but with significant differences. Proton Drive, with its servers in Switzerland and its zero-knowledge encryption, offers a very strong compliance posture. Box offers extensive certifications tailored to regulated industries. Google Drive requires proper configuration on the Workspace side and a valid data processing agreement (DPA). MEGA is subject to New Zealand law, which can complicate certain legal assessments.
Absolutely, and it’s actually a strategy that many teams adopt. For example: using Proton Drive for the most sensitive documents (contracts, customer data, intellectual property), Google Drive for day-to-day collaborative work, and MEGA for large archives of media files. Each tool then serves a specific purpose within your organization.
This is the downside of zero-knowledge encryption: if you lose your password and recovery options, your data may be permanently inaccessible. No one can retrieve it for you, because no one has the keys. That’s why it’s essential to carefully set up your account recovery options and store your recovery phrase in a secure password manager (such as Proton Pass, for example).
None of these four solutions is intended exclusively for freelancers, but each offers plans tailored to individual needs. Proton Drive and MEGA are likely the most accessible options for entrepreneur in terms of pricing and ease of use. Box and Google Drive really come into their own once you start working regularly with a team or external clients.
