TRI vs. TTEK: Thomson Reuters vs. Tetra Tech Stock Comparison

November 11, 2026

How do Thomson Reuters (TRI) and Tetra Tech (TTEK) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Thomson Reuters (TRI) and Tetra Tech (TTEK) both fall under the Commercial & Professional Services industry group, but TRI is classified in Professional Services while TTEK is classified in Commercial Services & Supplies.

Company profile comparison for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Profile Item	TRI	TTEK
Name	Thomson Reuters Corporation	Tetra Tech Inc.
Country/Region	Canada	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Commercial & Professional Services	Commercial & Professional Services
GICS Industry	Professional Services	Commercial Services & Supplies
GICS Sub-Industry	Research & Consulting Services	Environmental & Facilities Services
Market Capitalization	48.79 billion USD	10.32 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	June 12, 2002	December 17, 1991
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

TRI

TTEK

GSPC

Thomson Reuters (TRI) vs. Tetra Tech (TTEK), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Thomson Reuters (TRI) and Tetra Tech (TTEK). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Thomson Reuters (TRI) and Tetra Tech (TTEK). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
Total Return (1Y)	-16.97%	29.45%
Total Return (3Y, Annualized)	-3.77%	11.17%
Total Return (5Y, Annualized)	0.07%	3.89%

Risk Profile

Drawdown History

TRI

TTEK

GSPC

Thomson Reuters (TRI) vs. Tetra Tech (TTEK), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Thomson Reuters (TRI) and Tetra Tech (TTEK). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
Volatility (1Y, Annualized)	52.25%	37.39%
Beta (5Y)	0.73	0.84
Max Drawdown (5Y)	-62.87%	-47.50%
Avg. Volume (3M)	1.62M	2.25M

Risk-Adjusted Performance

Risk-Return Positioning

TRI and TTEK are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
Sharpe Ratio (1Y)	-0.41	0.67
Sortino Ratio (1Y)	-0.58	1.02

Profitability

ROE (TTM)

Both Thomson Reuters (TRI) at 14.11% and Tetra Tech (TTEK) at 24.30% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

TRI

Commercial & Professional Services industry group

14.11%

Max: 47.06%
Q3: 25.43%
TRI: 14.11%
Median: 14.11%
Q1: 3.92%
Min: -20.15%

TTEK

Commercial & Professional Services industry group

24.30%

Max: 47.06%
Q3: 25.43%
TTEK: 24.30%
Median: 14.11%
Q1: 3.92%
Min: -20.15%

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their ROE against the Commercial & Professional Services industry group benchmark.

Net Margin (TTM)

Thomson Reuters (TRI) at 19.69% retains a top-quartile share of revenue as profit, ahead of Tetra Tech (TTEK) at 10.00%, which keeps about the industry-typical share.

TRI

Commercial & Professional Services industry group

19.69%

Max: 23.28%
TRI: 19.69%
Q3: 11.35%
Median: 5.65%
Q1: 0.87%
Min: -8.60%

TTEK

Commercial & Professional Services industry group

10.00%

Max: 23.28%
Q3: 11.35%
TTEK: 10.00%
Median: 5.65%
Q1: 0.87%
Min: -8.60%

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their net margin against the Commercial & Professional Services industry group benchmark.

Operating Margin (TTM)

Thomson Reuters (TRI) at 21.93% operates in the top operating margin quartile, ahead of Tetra Tech (TTEK) at 14.25%, which runs around its industry’s norm.

TRI

Commercial & Professional Services industry group

21.93%

Max: 38.50%
TRI: 21.93%
Q3: 18.84%
Median: 10.40%
Q1: 5.59%
Min: -12.00%

TTEK

Commercial & Professional Services industry group

14.25%

Max: 38.50%
Q3: 18.84%
TTEK: 14.25%
Median: 10.40%
Q1: 5.59%
Min: -12.00%

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their operating margin against the Commercial & Professional Services industry group benchmark.

Profitability Metrics

Profitability metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
ROE (TTM)	14.11%	24.30%
ROA (TTM)	6.96%	8.54%
Net Margin (TTM)	19.69%	10.00%
Operating Margin (TTM)	21.93%	14.25%
Gross Margin (TTM)	39.72%	21.84%

Growth

Revenue Growth

Both Thomson Reuters (TRI) at 3.00% and Tetra Tech (TTEK) at 4.69% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their Revenue Growth across different time periods.

EPS Growth

Tetra Tech (TTEK) at -24.39% is around its peer norm for EPS growth, while Thomson Reuters (TRI) at -31.90% drops into the bottom quartile, signaling weaker earnings momentum.

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
Revenue Growth (YoY)	3.00%	4.69%
Revenue Growth (3Y CAGR)	4.10%	15.81%
EPS Growth (YoY)	-31.90%	-24.39%
EPS Growth (3Y CAGR)	3.68%	-1.46%

Financial Strength

Current Ratio (MRQ)

Tetra Tech (TTEK) at 1.18 keeps current ratio within its industry’s typical mid-range, while Thomson Reuters (TRI) at 1.08 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for TRI.

TRI

Commercial & Professional Services industry group

1.08

Max: 3.63
Q3: 2.14
Median: 1.55
Q1: 1.09
TRI: 1.08
Min: 0.45

TTEK

Commercial & Professional Services industry group

1.18

Max: 3.63
Q3: 2.14
Median: 1.55
TTEK: 1.18
Q1: 1.09
Min: 0.45

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their current ratio against the Commercial & Professional Services industry group benchmark.

Debt / Equity (MRQ)

Both Thomson Reuters (TRI) at 0.36 and Tetra Tech (TTEK) at 0.55 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

TRI

Commercial & Professional Services industry group

0.36

Max: 2.37
Q3: 1.25
Median: 0.88
TRI: 0.36
Q1: 0.35
Min: 0.00

TTEK

Commercial & Professional Services industry group

0.55

Max: 2.37
Q3: 1.25
Median: 0.88
TTEK: 0.55
Q1: 0.35
Min: 0.00

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their debt-to-equity ratio against the Commercial & Professional Services industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
Current Ratio (MRQ)	1.08	1.18
Debt / Equity (MRQ)	0.36	0.55
Net Debt / EBITDA	1.17	1.21

Dividends

Dividend Yield (TTM)

Thomson Reuters (TRI) at 2.18% delivers top-quartile income for its industry, while Tetra Tech (TTEK) at 0.66% pays a more typical yield — both are credible income propositions, TRI the richer one.

TRI

Commercial & Professional Services industry group

2.18%

Max: 4.33%
TRI: 2.18%
Q3: 1.80%
Median: 0.60%
Q1: 0.00%
Min: 0.00%

TTEK

Commercial & Professional Services industry group

0.66%

Max: 4.33%
Q3: 1.80%
TTEK: 0.66%
Median: 0.60%
Q1: 0.00%
Min: 0.00%

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their dividend yield against the Commercial & Professional Services industry group benchmark.

Dividend Payout Ratio (TTM)

Tetra Tech (TTEK) at 16.08% pays out a band-typical share of earnings, while Thomson Reuters (TRI) at 79.09% distributes more than its industry norm — less retained, thinner cover.

TRI

Commercial & Professional Services industry group

79.09%

Max: 99.58%
TRI: 79.09%
Q3: 41.99%
Median: 17.27%
Q1: 0.00%
Min: -17.94%

TTEK

Commercial & Professional Services industry group

16.08%

Max: 99.58%
Q3: 41.99%
Median: 17.27%
TTEK: 16.08%
Q1: 0.00%
Min: -17.94%

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their payout ratio against the Commercial & Professional Services industry group benchmark.

Dividend Metrics

Dividend metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
Dividend Yield (TTM)	2.18%	0.66%
Dividend Payout Ratio (TTM)	79.09%	16.08%

Valuation

P/E Ratio (TTM)

Tetra Tech (TTEK) at 24.27 is near its industry’s usual P/E ratio, while Thomson Reuters (TRI) at 34.53 sits in the richer quartile — TRI needs stronger growth or earnings quality to justify the premium.

TRI

Commercial & Professional Services industry group

34.53

Max: 49.47
TRI: 34.53
Q3: 33.76
Median: 24.16
Q1: 16.01
Min: 1.89

TTEK

Commercial & Professional Services industry group

24.27

Max: 49.47
Q3: 33.76
TTEK: 24.27
Median: 24.16
Q1: 16.01
Min: 1.89

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their P/E ratio against the Commercial & Professional Services industry group benchmark.

P/S Ratio (TTM)

Tetra Tech (TTEK) at 2.37 is priced about in line with its industry on P/S ratio, while Thomson Reuters (TRI) at 6.09 sits in the pricier quartile — TRI costs more per dollar of sales.

TRI

Commercial & Professional Services industry group

6.09

Max: 7.17
TRI: 6.09
Q3: 3.35
Median: 1.33
Q1: 0.69
Min: 0.11

TTEK

Commercial & Professional Services industry group

2.37

Max: 7.17
Q3: 3.35
TTEK: 2.37
Median: 1.33
Q1: 0.69
Min: 0.11

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their P/S ratio against the Commercial & Professional Services industry group benchmark.

P/B Ratio (MRQ)

On P/B ratio, both Thomson Reuters (TRI) at 4.35 and Tetra Tech (TTEK) at 5.57 are valued close to their industries’ norm against book — neither stands out from peers.

TRI

Commercial & Professional Services industry group

4.35

Max: 11.25
Q3: 6.08
TRI: 4.35
Median: 2.92
Q1: 1.55
Min: -2.78

TTEK

Commercial & Professional Services industry group

5.57

Max: 11.25
Q3: 6.08
TTEK: 5.57
Median: 2.92
Q1: 1.55
Min: -2.78

Thomson Reuters (TRI) vs. Tetra Tech (TTEK): A comparison of their P/B ratio against the Commercial & Professional Services industry group benchmark.

Valuation Metrics

Valuation metrics for Thomson Reuters (TRI) and Tetra Tech (TTEK)
Metric	TRI	TTEK
P/E Ratio (TTM)	34.53	24.27
P/S Ratio (TTM)	6.09	2.37
P/B Ratio (MRQ)	4.35	5.57
Free Cash Flow Yield (TTM)	2.27%	3.84%