VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
Auto Trader Group plc vs Halma plc
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Auto Trader Group plc
AUTO · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Auto Trader Group plc's moat claims, evidence, and risks.
View AUTO analysisHalma plc
HLMA · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Auto Trader Group plc leads (96 / 100 vs 59 / 100 for Halma plc).
- Segment focus: Auto Trader Group plc has 2 segments (93.3% in Autotrader (UK automotive marketplace & data platform)); Halma plc has 3 segments (40% in Safety).
- Primary market structure: Quasi-Monopoly vs Competitive. Pricing power: Strong vs Moderate.
- Moat breadth: Auto Trader Group plc has 4 moat types across 2 domains; Halma plc has 4 across 2.
Primary market context
Auto Trader Group plc
Autotrader (UK automotive marketplace & data platform)
UK digital automotive marketplace (new & used) with retailer advertising/data products
United Kingdom
Consumers, vehicle retailers, OEMs/advertising agencies
Two-sided marketplace + advertising/data & workflow tools
93.3%
Halma plc
Safety
Safety technologies (fire safety, public safety, worker safety, and protection of critical assets/infrastructure)
Global
Commercial/industrial facility owners and operators; infrastructure operators; installers and OEM channels
Technology OEM / component + systems supplier
40%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Auto Trader Group plc strengths
Halma plc strengths
Segment mix
Auto Trader Group plc segments
Full profile >Autotrader (UK automotive marketplace & data platform)
Quasi-Monopoly
Autorama (vehicle leasing marketplace)
Competitive
Halma plc segments
Full profile >Safety
Competitive
Environmental & Analysis
Competitive
Healthcare
Competitive
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This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.