Table of Contents

General Rate Income Pool (GRIP)

The 30-Second Summary

What is General Rate Income Pool (GRIP)? A Plain English Definition

Imagine you're evaluating two neighborhood bakeries. Both claim to be profitable. Bakery A, however, keeps a special, publicly visible “Profit Scoreboard” on its wall. This scoreboard doesn't track total sales or flashy new products. It only tracks one thing: the cumulative amount of profit that has been so substantial, it was taxed at the highest possible business rate, year after year. Bakery B has no such scoreboard. It might be profitable, but perhaps it's using temporary tax breaks or its profits are too small to hit that top tax bracket. Which bakery gives you more confidence in its long-term, durable profitability? That “Profit Scoreboard” is essentially what the General Rate Income Pool (GRIP) is for a Canadian corporation. It's a special, 'notional' account—meaning it's a running tally on the books, not a physical bank account filled with cash. This account is maintained for tax purposes by Canadian-controlled private corporations (CCPCs) and other corporations in Canada. Its sole purpose is to keep track of the company's income that has been taxed at the full, general corporate tax rate, without being reduced by special deductions like the small business deduction. When a Canadian company pays a dividend to its shareholders from this GRIP balance, that dividend is classified as an “eligible dividend.” This is a crucial distinction for Canadian investors, as eligible dividends receive a more favorable tax treatment, meaning the investor pays less income tax on them. The whole system is designed to achieve “tax integration,” a principle aiming to ensure that a dollar earned by a corporation and paid out to a shareholder is taxed at roughly the same total rate as if the shareholder had earned that dollar directly. For a U.S. or European investor, the direct tax benefits are governed by international tax treaties. However, the existence and size of a company's GRIP balance are what truly matter. It is an unfiltered, government-audited signal of a company's core profitability.

“It's far better to buy a wonderful company at a fair price than a fair company at a wonderful price.” - Warren Buffett

A company with a consistently growing GRIP balance is, more often than not, a “wonderful company” that has proven its ability to generate substantial, taxable profits over the long term.

Why It Matters to a Value Investor

For a value investor, analyzing a company is like being a detective searching for clues of quality, durability, and shareholder-friendliness. The GRIP balance is one of the most powerful, yet underutilized, clues available when looking at Canadian companies. It cuts through accounting noise and provides a direct link to a company's economic engine. Here’s why it's a value investor's secret weapon:

In short, GRIP is not just a tax term; it’s a powerful lens through which a value investor can assess the quality, durability, and shareholder focus of a Canadian business.

How to Calculate and Interpret GRIP

While the precise calculation can involve many adjustments under Canada's Income Tax Act, the concept is straightforward. As an investor, you don't need to perform the calculation yourself—the company does that. Your job is to find the information (often in the notes to the financial statements or investor presentations) and interpret it correctly.

The Formula

The GRIP balance at the end of a year is broadly calculated as follows: `GRIP (End of Year) = GRIP (Start of Year) + Additions - Reductions` Where:

The key takeaway is that GRIP grows with fully-taxed profits and shrinks when those profits are distributed as eligible dividends.

Interpreting the Result

Looking at a single GRIP number in isolation is not enough. The real insight comes from context and trends.

A Practical Example

Let's compare two fictional Canadian companies: “Dominion Railway Corp.” and “Polaris AI Ventures Inc.

Metric Dominion Railway Corp. Polaris AI Ventures Inc.
Business Model Established railway with predictable, regulated profits. High-growth, pre-profit AI software company.
Annual Taxable Income $1 billion (taxed at the full general rate). -$50 million (using tax losses to offset any income).
Opening GRIP Balance $8 billion $0
GRIP Addition this Year $1 billion * 72% = $720 million $0
Annual Dividend Paid $400 million (as an eligible dividend). $0
Closing GRIP Balance $8B + $720M - $400M = $8.32 billion $0
Dividend Coverage $8.32 billion / $400 million = 20.8 years N/A

Analysis from a Value Investor's Perspective:

Advantages and Limitations

Strengths

Weaknesses & Common Pitfalls

1)
This 72% factor represents the after-tax portion of income, where 100% - 28% (a representative general tax rate) = 72%. The actual tax rates and thus the factor can vary.