The subscription agreement: What every fund manager should know

Author: The Carta Team
Read time: 13 minutes
Published date: 9 March 2026

Understand the subscription agreement, including its purpose, key components, and essential role in the fund closing process and regulatory compliance.

What is a subscription agreement?

A subscription agreement is a legally binding contract between a private fund and an investor that outlines the specific terms under which the investor agrees to purchase an ownership interest in the fund. This document is the foundational step for bringing a new investor into a private equity fund, venture capital fund, or special purpose vehicle (SPV), formalizing their commitment and outlining the key terms of their investment.

In a limited partnership structure, the investor becomes a limited partner (LP) upon signing. In other structures, they may be referred to as a member or shareholder. Their signature confirms they agree to the terms of the investment as outlined in the limited partnership agreement (LPA) and other governing documents. The fund manager, known as the general partner (GP), then countersigns the agreement. This second signature formally accepts the investor into the fund.

You can think of the subscription agreement as an investor's official application to join the fund. It is a two-way promise. The investor agrees to contribute a specific amount of money throughout the fund's lifecycle. The fund manager agrees to sell them a corresponding stake in the partnership. Without this signed document, there is no legal basis for the investor to transfer funds or for the manager to issue fund interests. This mutual execution solidifies the LP's commitment and their admission into the partnership. It is the official promise from the LP to provide the agreed-upon funds when the GP requests them in the future through a capital call.

Key components of a subscription agreement

While every subscription agreement is tailored by your law firm or legal counsel, most contain standard sections that are essential for your fund's operations. Understanding these components is essential for any fund manager, as they dictate how you collect investor information, maintain compliance, and manage capital throughout your fund's life.

Here are the key components you should know:

• Subscriber information: This section captures the investor's precise legal name, entity type, tax information (like a W-8 or W-9 form), and contact details.
• Capital commitment: This clause states the total dollar amount of capital contributions the LP agrees to invest over the fund's life.
• Representations and warranties: This is the section where the investor confirms they are a sophisticated advisor and meets the specific legal and financial criteria to invest in your fund.
• Payment and banking information: This section often takes the form of a questionnaire within the larger subscription booklet.

Subscriber information and KYC/AML compliance

The subscription agreement captures the LP’s essential details. These legal identity details serve as the single source of truth for all future interactions. This information serves as the single source of truth for all future LP communications and investor reporting.

Capital commitment and investment terms

The capital commitment is the total amount of money the LP agrees to invest in the fund over its entire lifecycle. This figure is perhaps the most critical data point within the subscription documents. It represents the limit of the investor's obligation. It also represents the total capital the general partner can deploy.

Representations, warranties, and investor qualifications

Representations and warranties are a series of formal statements the investor makes to confirm their legal and financial status. This protects the GP by placing the burden of truth regarding eligibility on the investor.

Power of attorney and indemnification

The subscription agreement often grants the GP a limited power of attorney. This legal clause allows the fund manager to sign certain documents on behalf of the LP.

Subscription agreement vs. other fund documents

The subscription agreement is just one piece of a larger puzzle. Understanding the distinct role of each key document is essential for navigating the closing process.

The subscription process: From distribution to closing

Understanding the components of a subscription agreement is the first step; the next is navigating the process of getting it signed. This journey from distributing the documents to officially closing an investor into the fund can vary dramatically.

The traditional closing process: Spreadsheets and email

The traditional workflow for executing subscription agreements has long been a cumbersome, paper-based process.

A modern, automated approach to fund closings

The modern alternative to manual closings is a streamlined, digital workflow on a single, secure platform like Carta Fund Administration.

Regulatory compliance in the subscription process

Under U.S. securities laws, any offer to sell securities must either be registered with the SEC or meet an exemption, which is why private funds typically raise capital through a private placement.

Common challenges in managing subscription agreements

Managing subscription agreements can be operationally complex, and fund managers often face several recurring challenges during the fundraising process.

Connecting the subscription agreement to the fund lifecycle

The subscription process should not be viewed as a one-time event. It is the entry point to a fully integrated system for fund management.

Frequently asked questions about subscription agreements

Is a subscription agreement legally binding?

Yes. Once fully executed by the LP and GP, it is a binding contract.

Who prepares the subscription agreement?

The fund's legal counsel drafts the subscription agreement.

What happens after a subscription agreement is signed?

Once the LP signs and the GP countersigns the agreement, it becomes a fully executed contract.

Can a subscription agreement be amended after an LP has signed?

Amending a fully executed subscription agreement is a complex process that is generally avoided.

Who holds the original subscription agreement?

The GP or their fund administrator must securely maintain all executed subscription documents.

What is the difference between a subscription agreement and a purchase agreement?

A subscription agreement is used when an investor is purchasing newly issued interests directly from the fund itself.

Why does the subscription agreement ask for tax information?

The fund is a pass-through entity for tax purposes.

Can a subscription agreement be signed electronically?

Yes, you can typically use electronic signatures for subscription agreements.