Japan Rent Guarantee Company System Explained

If you own rental property in Japan — or are planning to rent out a unit to tenants — understanding the rent guarantee company (保証会社, hoshō gaisha) system is essential. This system is a cornerstone of the Japanese rental market, protecting landlords from unpaid rent while also helping tenants (including foreigners) who cannot provide a traditional personal guarantor.

This guide explains how the system works from both sides of the rental relationship: as a landlord protecting your investment, and as a tenant navigating the requirements.

What Is a Rent Guarantee Company?

A rent guarantee company is a private firm that acts as a financial backstop between landlords and tenants in Japan. When a tenant signs a rental contract, the guarantee company conducts a credit screening. If approved, the company promises to pay the landlord if the tenant ever fails to pay rent.

This replaces the traditional Japanese system of relying on a personal hoshōnin (保証人) — a guarantor, typically a family member, who co-signs the lease and assumes liability. As Japan's social structure has changed and more single-person households exist (along with an influx of foreign residents), personal guarantors have become harder to secure. Guarantee companies fill that gap.

For foreign landlords in Japan, requiring a guarantee company is one of the most effective ways to protect your rental income without imposing an unreasonable burden on tenants.

How the System Works

The process flows in a simple cycle:

1. Tenant applies — When signing a lease, the tenant submits an application to the guarantee company chosen by the landlord or property management company.
2. Screening — The company reviews the tenant's income, visa status, employment, and creditworthiness. Approval typically takes 3–7 business days.
3. Fee payment — Upon approval, the tenant pays an initial guarantee fee (typically 50–100% of one month's rent).
4. Monthly payment — The tenant pays rent directly to the guarantee company by the 27th–28th of each month. The guarantee company forwards full payment to the landlord at the start of the following month.
5. If rent is unpaid — The guarantee company immediately covers the unpaid rent on behalf of the tenant, then pursues the tenant directly for repayment.

This arrangement means landlords almost never have to deal with late or missing payments personally — the guarantee company handles enforcement.

Types of Guarantee Companies

Not all guarantee companies are created equal. Understanding the three main categories helps landlords choose the right partner.

Credit card-affiliated companies (such as those linked to JACCS or Orient Corporation) have the strictest screening. They tend to reject applicants with irregular income, short visa terms, or no credit history — which often includes foreign renters.

LICC-affiliated companies belong to the Lessors Insurance Industry Credit Council, a self-regulatory body. They share a blacklist database of problem tenants, giving landlords extra protection. Their screening sits in the middle ground.

Independent companies have the most flexible screening policies and often specialize in foreign tenants. While they may charge slightly higher fees, they provide landlords with broader tenant access — important in areas with high foreign resident populations.

Fee Structure: What Tenants Pay

Understanding the fee structure helps you communicate clearly with prospective tenants and avoid misunderstandings during the lease process.

The 2020 revision to Japan's Civil Code introduced an important protection: co-guarantors (personal guarantors) must now agree to a maximum guarantee amount (kyokudo-gaku), typically capped at 12–13 months' rent. This change pushed more landlords toward guarantee companies, as the unlimited liability of personal guarantors was restricted.

Top Foreigner-Friendly Guarantee Companies

For landlords renting to foreign nationals — a growing demographic in Japan's major cities — choosing a foreigner-friendly guarantee company reduces vacancies and makes the approval process smoother for qualified tenants.

GTN is widely regarded as the most foreigner-accessible option. Founded specifically to help non-Japanese tenants access the rental market, it supports over 24 languages and has a near-universal acceptance rate for qualified foreign applicants. As a landlord, specifying GTN as an accepted guarantee company can significantly expand your pool of eligible tenants.

For a comprehensive overview of the rental housing landscape for foreigners, see the complete housing guide on Living in Nihon.

What Landlords Need to Know

As a foreign landlord operating in Japan, here are the key points that affect you directly:

You Choose the Guarantee Company

In most cases, the landlord or property management company specifies which guarantee company must be used, not the tenant. This gives you control. You can require any one company or provide a list of approved options. Consult with your property manager to select a company with high approval rates and solid payment enforcement.

Guarantee Companies Handle Collections

One of the biggest benefits for absentee or overseas landlords: you do not have to chase unpaid rent. If a tenant defaults, the guarantee company pays you first, then handles collections internally. This is particularly valuable for foreign landlords who are not physically present in Japan.

The Guarantee Does Not Cover Everything

Guarantee companies typically cover:

• Unpaid rent
• Cleaning and restoration costs (up to a limit)
• Legal fees related to eviction (in some contracts)

They generally do not cover:

• Physical damage beyond normal wear
• Lost fixtures or appliances
• Disputes unrelated to payment

Renewal is Annual

Guarantee contracts typically run one year and must be renewed annually. The renewal fee is usually ¥10,000–¥20,000 or a percentage of annual rent. If a tenant fails to renew the guarantee contract, your coverage lapses — confirm with your property manager that renewal reminders are part of the management service.

For guidance on working with professional property managers in Japan, see our article on how to choose a property management company in Japan.

Common Reasons Tenants Are Rejected

Understanding rejection criteria helps you anticipate issues with prospective tenants before they arise:

• No Japanese emergency contact — Many guarantee companies require a person in Japan who can be contacted in emergencies. Foreign tenants without Japanese connections may struggle with traditional companies.
• Short-term or student visa — Applicants on working holiday, student, or short-term visas are considered higher risk.
• Insufficient income — The standard requirement is that monthly rent be no more than one-third of gross monthly income (i.e., income of at least 3x rent).
• Irregular employment — Freelancers, part-time workers, or recently arrived expats may face stricter scrutiny.
• Poor payment history — The LICC database tracks problem tenants across member companies.

If you are targeting foreign professionals or corporate expatriates as tenants, independent companies like GTN are your safest bet. You can also learn more about the full tenant screening process in our dedicated article on Japan tenant screening process and best practices.

Practical Tips for Foreign Landlords

1. Make your requirement explicit in listings — State which guarantee company is required (or accepted) in your listing from the start. Surprises during contract signing cause deals to fall through.

2. Use a foreigner-friendly company if your location attracts expats — In areas like Minato-ku Tokyo, Namba Osaka, or near international schools and tech campuses, a significant portion of your applicant pool will be foreign nationals. GTN or Casa will maximize approvals.

3. Coordinate with your property manager — Property management companies often have existing relationships with specific guarantee firms and handle the application process on your behalf. Confirm this is part of their service contract.

4. Understand the payment flow — Your rent arrives from the guarantee company, not directly from the tenant. Confirm the expected payment date with your management company so you can monitor for delays.

5. Review annual renewals — Set a reminder or ask your property manager to confirm when guarantee renewals are due. Lapses in coverage leave you unprotected.

For a full overview of housing and living infrastructure considerations when investing in Japan, the housing and infrastructure guide at For Work in Japan provides useful context for understanding tenant needs.

The Guarantee Company System vs. Personal Guarantors

Even though guarantee companies have become the norm, personal guarantors are still accepted — and sometimes required alongside a guarantee company for higher-risk tenants. Here's how they compare:

For most foreign landlords, guarantee companies are the practical and legally cleaner option. The combination of automatic payment, dispute handling, and clear liability limits makes them preferable to relying on a personal guarantor whose ability to pay may be unknown.

You can also explore more about how rental contracts are structured in Japan in our guide on types of rental contracts in Japan.

Resources for Landlords and Tenants

For additional guidance on navigating Japan's rental market — including guarantee company requirements from the tenant's perspective — the Gaijin Buy House living guide covers the broader context of living and renting in Japan for foreigners.

For detailed information on specific guarantee companies and current fee structures, PLAZA HOMES' guide to lease guarantor services and the GTN Magazine explanation of the co-guarantor system are excellent starting points.

Conclusion

Japan's rent guarantee company system is a well-established mechanism that protects landlords while giving tenants — especially foreign nationals — a viable path to securing housing. For foreign property investors, understanding this system is not optional: it directly affects your rental income security, your tenant pool, and your day-to-day management experience.

By selecting the right guarantee company, communicating requirements clearly in listings, and working with a knowledgeable property management partner, you can enjoy the stability of Japan's rental market while minimizing the risks of unpaid rent or difficult eviction proceedings.

If you are new to rental property investment in Japan, our complete guide to Japan rental property investment for foreigners is the best place to start building your knowledge base.