Sifting through countless of stocks in the Professional Services industry can be tedious, and sometimes two stocks are just too similar to judge which is the better investment. If you’re on the fence about investing in CACI International Inc or Parsons Corporation because you’re not sure how they measure up, it’s important to compare them on a few factors before making your decision.

Read on to learn how CACI International Inc and Parsons Corporation compare based on key financial metrics to determine which better meets your investment needs.

About CACI International Inc and Parsons Corporation

CACI International Inc, through its subsidiaries, provides expertise and technology solutions in the United States, the United Kingdom, rest of Europe, and internationally. The company offers control, communications, and intelligence technology and networks; cyber solutions for offensive and defensive operations, defending critical infrastructure, and maintaining information dominance against cyber threats; digital solutions, such as enterprise and agency-unique applications, enterprise infrastructure, and business processes; and enterprise IT that designs, implements, protects, and manages secure enterprise IT solutions for federal agencies. It also provides mission and engineering support, including platform integration, modernization and sustainment, system and logistics engineering, naval architecture, and training and simulation services; space solutions, such as intelligence fusion, data analytics, and decision support, and integrated logistics; and spectrum superiority that designs and develops differentiated technology across the radio-frequency spectrum for intelligence, surveillance, and reconnaissance, and electronic warfare, as well as builds specialized photonics, waveforms, and technology. In addition, the company offers various IT services, proprietary data, and software products to commercial and government customers. It provides its products and services to national security in the intelligence, defense, and federal civilian sectors. CACI International Inc was founded in 1962 and is headquartered in Reston, Virginia.

Parsons Corporation provides design, engineering and technical services, and smart and agile software for the United States federal government and critical infrastructure customers worldwide. It operates through Federal Solutions and Critical Infrastructure segments. The Federal Solutions segment offers critical technologies, such as cyber; air and missile defense; intelligence; aviation modernization; electronic warfare; space ground systems, cislunar, A-PNT, and classified sensors; geospatial and signals intelligence; environmental remediation; border security and counter-drug, critical infrastructure protection; counter unmanned air systems; biometrics; and bio surveillance solutions. This segment also provides software and hardware, and technical expertise; satellite ground systems support and operations, flight dynamics, data fusion and analytics, platform system integration, directed energy, joint all-domain operations, and command and control systems; digital landscape, including full-spectrum cyber, defensive cyber operations, information operations, and analytics; and electronic warfare, multi-domain operations, mission support and national to tactical operations, as well as cyber solutions and products. The Critical Infrastructure segment develops digital solutions for aviation, rail and transit, bridges, roads, highways, and urban destinations. This segment also provides planning, engineering, and management services for complex infrastructure comprising bridges, tunnels, roads and highways, and water and wastewater systems; intelligent transportation systems, utilities, environmental remediation, emerging contaminants, aviation, and rail and transit, as well as ParsonsX, a digital transformation organization; and multi-disciplinary design, technical, and management solutions. Parsons Corporation was founded in 1944 and is headquartered in Chantilly, Virginia.

Latest Professional Services and CACI International Inc, Parsons Corporation Stock News

As of March 31, 2026, CACI International Inc had a $12.0 billion market capitalization, compared to the Professional Services median of $1.1 million. CACI International Inc’s stock is up 2.1% in 2026, down 5.7% in the previous five trading days and up 45.67% in the past year.

Currently, CACI International Inc’s price-earnings ratio is 23.3. CACI International Inc’s trailing 12-month revenue is $9.0 billion with a 5.8% net profit margin. Year-over-year quarterly sales growth most recently was 5.7%. Analysts expect adjusted earnings to reach $28.725 per share for the current fiscal year. CACI International Inc does not currently pay a dividend.

As of March 31, 2026, Parsons Corporation had a $5.8 billion market cap, putting it in the 71st percentile of all stocks. Parsons Corporation’s stock is down 12.3% in 2026, up 7.4% in the previous five trading days and down 8.84% in the past year.

Currently, Parsons Corporation’s price-earnings ratio is 24.6. Parsons Corporation’s trailing 12-month revenue is $6.4 billion with a 3.8% net profit margin. Year-over-year quarterly sales growth most recently was -7.5%. Analysts expect adjusted earnings to reach $3.242 per share for the current fiscal year. Parsons Corporation does not currently pay a dividend.

How We Compare CACI International Inc and Parsons Corporation Stock Grades

Stock evaluation requires access to huge amounts of data and the knowledge and time to sift through it all, make sense of financial ratios, read income statements and analyze recent stock movements. AAII created A+ Investor, a robust data suite that condenses data research in an actionable and customizable way suitable for investors of all knowledge levels, to help investors streamline and work through such data.

AAII’s proprietary stock grades come with A+ Investor. These offer intuitive A‐F grades for each of five key investing factors: value, growth, momentum, earnings estimate revisions and quality. Here, we’ll take a closer look at CACI International Inc and Parsons Corporation’s stock grades to see how they measure up against one another.

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CACI International Inc and Parsons Corporation Stock Value Grades

Company	Ticker	Value
CACI International Inc	CACI	C
Parsons Corporation	PSN	C

Successful stock investing involves buying low and selling high, so stock valuation is an important consideration for stock selection.

Buying stocks that are going to go up typically means buying stocks that are undervalued in the first place, although momentum investors may argue that point.

AAII’s A+ Investor Value Grade derives from a stock’s value score. The Value Score is the percentile rank of the average of the percentile ranks of the price-to-sales ratio, price-earnings ratio, enterprise-value-to-EBITDA (EV/EBITDA) ratio, shareholder yield, price-to-book-value ratio and price-to-free-cash-flow ratio. The score is variable, meaning it can consider all six ratios or, should any of the six ratios not be valid, the remaining ratios that are valid. To be assigned a Value Score, stocks must have a valid (non-null) ratio and corresponding ranking for at least two of the six valuation ratios.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are a good value and so on.

CACI International Inc has a Value Score of 43, which is Average. Parsons Corporation has a Value Score of 45, which is Average.

The Value Stock Winner: No Clear Winner

Neither CACI International Inc or Parsons Corporation has a high enough value grade to be considered a “winner.” Investors who are considering these companies should do additional due diligence and research to see if either could be a good addition to their portfolio. It’s important to look at a wide range of financial metrics in order to determine if CACI International Inc or Parsons Corporation is the better investment when it comes to value.

CACI International Inc and Parsons Corporation Growth Grades

Company	Ticker	Growth
CACI International Inc	CACI	A
Parsons Corporation	PSN	B

The foundation of growth investing is seeking out stocks of companies exhibiting strong, consistent and prolonged growth that is expected to continue into the future.

In order to compute the growth score and assign it a letter grade, the percentile ranks for each of three components‐consistency of annual sales growth, five-year sales growth rankings adjusted for extreme levels, and consistency of positive annual cash from operations‐must be determined. These three rank figures are added together, and the sum is ranked against the entire stock universe to arrive at a company’s Growth Score to create an equal distribution of grades.

The companies in the bottom 20% of the stock universe receive Growth Grades of F, considered to be very weak, while those in the top 20% receive A grades, which are considered very strong.

CACI International Inc has a Growth Score of 100, which is Very Strong. Parsons Corporation has a Growth Score of 64, which is Strong.

The Growth Grade Winner: CACI International Inc

As you can clearly see from the Growth Grade breakdown above, CACI International Inc has a more attractive growth grade than Parsons Corporation. For investors who focus solely on how a company is growing relative to other companies in the same industry, CACI International Inc could be a good stock to add to their portfolio. However, it’s important for investors to analyze multiple factors based on a wide range of metrics before deciding whether to buy.

CACI International Inc and Parsons Corporation’s Estimate Revisions Grades

Company	Ticker	Earnings Estimate
CACI International Inc	CACI	C
Parsons Corporation	PSN	D

Earnings estimate revisions scores consider the magnitude of a company’s earnings surprise in its last two reported fiscal quarters. Often, positive surprises beget further positive surprises‐or at least continued sales growth (the exact opposite is generally true, too).

Estimate revisions offer an indication of what analysts are thinking about the short-term prospects of a firm. Estimate revisions are based on the statistical significance of a firm’s last two quarterly earnings surprises and the percentage change in its consensus estimate for the current fiscal year over the past month and past three months.

CACI International Inc has a Earnings Estimate Score of 56, which is Neutral. Parsons Corporation has a Earnings Estimate Score of 34, which is Negative.

The Earnings Estimate Revisions Stock Winner: No Clear Winner

Neither CACI International Inc or Parsons Corporation has an Earnings Estimate Revisions Grade that could be considered a “winner.” Investors considering these companies should do additional due diligence and research to see if either could be a good addition to their portfolios. It’s important to look at a wide range of financial metrics in order to determine if CACI International Inc or Parsons Corporation is the better investment when it comes to estimate revisions.

Other CACI International Inc and Parsons Corporation Grades

In addition to Estimate Revisions, Value and Growth, A+ Investor also provides grades for Momentum and Quality.

Momentum grades help uncover stocks experiencing anomalously high rates of return; research finds that stocks with high relative levels of momentum tend to outperform, whereas those with low levels of momentum tend to continue underperforming.

AAII’s A+ Investor Quality Grade comes from the ranking of key metrics. Specifically, the quality grade is the percentile rank of the composite of return on assets (ROA), return on invested capital (ROIC), gross profit relative to assets, buyback yield, change in total liabilities to assets, accruals, Z double prime bankruptcy risk (Z) score and F-Score.

These 2 key factors, when combined with the above, provide a holistic view into a particular stock. Further, by joining A+ Investor you can see whether CACI International Inc and Parsons Corporation pass any of our 60+ stock screens that have outperformed the market since their creation.

So, Which Is the Better Investment, CACI International Inc or Parsons Corporation Stock?

Overall, CACI International Inc stock has a Value Score of 43, Growth Score of 100 and Estimate Revisions Score of 56.

Parsons Corporation stock has a Value Score of 45, Growth Score of 64 and Estimate Revisions Score of 34.

Comparing CACI International Inc and Parsons Corporation’s grades, scores and metrics can act as a solid basis to determine whether they may be a good investment or not. You’ll also want to look at your portfolio’s asset allocation as well as your risk tolerance and financial goals to see if either of these stocks would make a good fit for you. AAII can help you figure out which investments align with your individual needs and preferences.

Investors are encouraged to do their own due diligence and research. In this way, individuals can effectively become managers of their own assets‐without having to rely on others for financial independence. You can count on AAII for timeless articles on financial planning and stock-picking, unbiased research and actionable analysis.

A+ Investor adds to our qualitative teaching with a powerful data suite to help you whittle down investment choices to find stocks, exchange-traded funds (ETFs) or mutual funds that meet your needs.

AAII Disclaimer

We make no representations or warranties that any investor will, or is likely to, achieve profits similar to those shown, because past, hypothetical or simulated performance is not necessarily indicative of future results. Before making an investment decision, you should consider your circumstances and whether the information on our content is applicable to your situation. This information was prepared in good faith, and we accept no liability for any errors or omissions. The full disclaimer can be read here.