CLBDoubtfulB+
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Compliance Status

Doubtful

Screened on Oct 12, 2026 · AAOIFI Standard 21

B+

Good

74Score

Is Core Laboratories N.V. (CLB) halal? Doubtful. Based on AAOIFI screening, Core Laboratories N.V. passes the business activity screen but has financial ratios approaching AAOIFI limits with a compliance score of 74/100 (Grade: B+).

Quote this verdict

HalalScreener rates Core Laboratories N.V. (CLB) Doubtful, 74/100, grade B+ under AAOIFI Standard 21, screened Oct 12, 2026. Source: https://halalscreener.app/en/stock/CLB

Business activity

What the company sells is permissible.

Passed

Company debt

Close to the limit

How much the company borrows, compared to its total value. AAOIFI allows up to 30%.

25.0% of 30.0% limit
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Screened according to AAOIFI Standard 21

What this means for you

You may own CLB, with caution

Its numbers sit close to AAOIFI limits. Cautious investors may prefer alternatives or ask a scholar first.

Purification amount is Pro

We have screened CLB's prohibited income, but the exact share you would need to purify is part of Pro.

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Core Laboratories N.V.

CLB: Is Core Laboratories N.V. Halal?

Core Laboratories N.V.

NYSEEnergyUS

$10.00

Market Cap: 458.8M

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About Core Laboratories N.V.

Core Laboratories N.V. (CLB) is a global provider to the oil and gas sector, delivering specialized services and products for characterizing subterranean reservoirs and optimizing hydrocarbon extraction. The company's operations are distinctly segmented into Reservoir Description and Production Enhancement. The Reservoir Description division meticulously analyzes petroleum reservoir rock, fluid, and gas samples. This detailed scientific examination aims to boost the yield and enhance the recovery of oil and gas from clients' reservoirs. Offerings in this segment encompass comprehensive laboratory analysis and on-site field evaluations to determine the properties of crude oil and refined products, alongside performing proprietary and collaborative industry research studies. Conversely, the Production Enhancement segment furnishes an array of services and products vital for well completions, perforations, stimulation processes, and general production activities. This includes providing integrated diagnostic tools designed to assess the efficacy of well completions and to devise strategies for more effective enhanced oil recovery initiatives. Core Laboratories markets and sells its solutions through diverse channels, including direct sales representatives, educational seminars, industry trade exhibitions, print advertising, and a network of distributors. Established in 1936, the company boasts a significant international presence, conducting operations in approximately 50 countries, with its corporate headquarters situated in Amstelveen, the Netherlands.

Sector: Energy · Industry: Oil & Gas Equipment & Services

Why This Stock Is Doubtful

  • Interest-bearing debt is 25.0% of market cap, only 5.0 points below the 30% AAOIFI limit.

Stocks are marked Doubtful when financial ratios pass but approach AAOIFI thresholds. Consider consulting a qualified scholar for a definitive ruling.

Shariah Compliance Status

AAOIFI Standard 21Updated Oct 12, 2026

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Screened according to AAOIFI Standard 21

Compliance History

  1. Doubtfulnow

    since Oct 2026

  2. Halal

    until the change above

Tracked since May 2026. Updates automatically on each re-screen.

Fiscal: Q2 2026Data source: EDGAR
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Frequently Asked Questions

Is Core Laboratories N.V. (CLB) halal to invest in?
Core Laboratories N.V. (CLB) is rated Doubtful under AAOIFI Standard 21. It passes the business activity screen but one or more financial ratios are approaching (though not yet exceeding) the AAOIFI thresholds (30% for debt and interest deposits, 5% for prohibited income). Consult a qualified Islamic finance scholar for a personal ruling.
Why did Core Laboratories N.V. get a B+ compliance rating?
Core Laboratories N.V. (CLB) received a grade of B+ (Good) based on three AAOIFI Standard 21 financial ratios: debt-to-market-cap of 25.0% (limit 30%). The grade reflects the margin of safety across all three ratios relative to their thresholds.
What could change Core Laboratories N.V.'s Shariah verdict?
Core Laboratories N.V.'s verdict is re-evaluated at each annual re-screen. Three events could change it: (1) the debt-to-market-cap ratio crossing 30%, typically from new debt issuance or a major drop in share price; (2) interest-bearing deposits exceeding 30% of market cap; or (3) prohibited revenue (alcohol, gambling, conventional finance, etc.) exceeding 5% of total revenue. Verdict flips are tracked in the compliance history section above.
How often is Core Laboratories N.V. re-screened for Shariah compliance?
Core Laboratories N.V. (CLB) is re-screened annually using the most recent full-year financial data from SEC filings. HalalScreener also triggers an on-demand re-screen whenever the stored data is more than 7 days old, ensuring the ratios reflect the latest available financial statements. Last screened: Oct 12, 2026.

Screened according to AAOIFI Standard No. 21 · For informational purposes only. Consult a qualified Islamic finance advisor before investing.

Disclaimer: This screening is for informational purposes only and does not constitute financial, legal, or religious advice. Compliance is evaluated using AAOIFI financial standards (debt, deposits, and prohibited income ratios) and publicly available data. Ethical, political, social, or environmental considerations are outside the scope of this screening. Individual scholars and methodologies may differ. Always consult a qualified Islamic finance advisor before making investment decisions.