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№ 241 22 filings · 2021-11-15 → 2026-10-07

IMI PLC

IMI
Industrial Goods and Services Share price 2,960p Market cap £7.0bn Overall fit 480 /1000

High-quality compounder with genuine but modest AI-receiver exposure (nuclear/power/data-centre cooling), moderate industrial operating leverage, fortress-like balance sheet — but shares are near all-time highs at ~22.7x forward EPS, offering limited valuation margin and only partial fit with the AI-receiver/operating-leverage thesis.

Fair value range 2,500p–3,340p Mid case · £6.9bn
Absolute upside -2% vs current market cap
Conviction 4/5 confidence in fair call
Supports the call
  • Six-year track record of mid-single-digit organic growth and margin expansion to 20%
  • Clean, Deloitte-audited financials with 96% cash conversion and 14% ROIC
  • Multiple converging methodologies (forward P/E, DCF, peer multiples) land in a tight range
Limits the call
  • Fair-value multiple depends on sustained quality rating in a volatile rate environment
  • AI exposure is real but too small (~£36m data-centre orders annualised) to model precisely
Methodology

Forward P/E on 2026E EPS guidance, cross-checked vs. DCF and peers

In one line · bull case

A high-quality, cash-generative FTSE 100 industrial with incrementally rising AI-adjacent exposure (data-centre cooling, nuclear, power) and a six-year compounding track record — but already priced for continuation at ~22.7x forward earnings.

In one line · biggest risk

Valuation at all-time highs leaves little margin if industrial demand weakens or if the market's willingness to pay quality-compounder multiples fades.

Drivers
AI beneficiary 48 /100
Real exposure via data-centre cooling (£18m H1 2026 orders), nuclear/power valves for electrification, but AI-linked revenue still a small single-digit % of group.
Operating leverage 52 /100
Industrial with ~45% aftermarket; H1 2026 delivered +50bps on 6% revenue growth — meaningful but not software-like drop-through.
Earnings vs expectations 60 /100
Consistently delivers in the middle/upper half of guided ranges; no profit warnings in the covered period; limited visible consensus-vs-actual data.
Growth momentum 62 /100
Stable mid-single-digit organic revenue growth guided for sixth consecutive year; EPS growing 8-13% supported by buybacks and margin expansion.
Moat 62 /100
Installed base of 200k+ severe-service valves, high customer switching costs, aftermarket pricing power, but engineering commodity in parts.
Earnings quality 82 /100
96% cash conversion, clean Deloitte-reviewed statements, adjusting items transparent and well-disclosed.
Management quality 78 /100
Twite-led strategy has compounded EPS at 10% CAGR since 2019; disciplined bolt-ons with ROIC +260bps; proactive portfolio reshaping (Truflo Marine divestment).
Cyclicality 55 /100
Moderate — Industrial Automation and Transport are cyclical, but aftermarket, nuclear and climate control dampen the cycle; 6% Middle East geographic risk.
Leverage 30 /100
Net debt / EBITDA 1.2x within 1-2x target range; comfortable headroom and strong cash generation.

IMI PLC — Investment Research Note

Executive summary

IMI PLC is a UK-listed FTSE 100 industrial, specialising in fluid and motion control (valves, actuators) across two platforms — Automation (Process + Industrial) and Life Technology (Climate Control, Life Science & Fluid Control, Transport). The group has delivered five consecutive years of mid-single-digit organic revenue growth, hit its 20% adjusted operating margin target in 2025, and in H1 2026 generated 5% organic revenue growth / 8% organic adjusted operating profit growth with 96% cash conversion. The single most important point for valuation today is that the shares already trade at ~22x FY26E EPS guidance (136–142p) at an all-time high — pricing in continued compounding without obvious margin for AI-related upside surprise.

Fair value estimate

Methodology: Forward P/E on management's 2026 adjusted basic EPS guidance of 139p (midpoint), cross-checked against DCF-implied value for a mid-single-digit compounder with ROIC of 14%.

  • Bear/base multiple: 18x × 139p = 2,500p
  • Central: 21x × 139p = 2,920p
  • Bull: 24x × 139p = 3,340p

Fair value range: 2,500p – 3,340p, central ~2,920p. Implied market cap range £5,870m – £7,840m (central ~£6,860m), vs. current £7,350m.

  • Current share price 3,148p implies a forward P/E of ~22.7x on 139p EPS.
  • Absolute upside to central fair value: -7% (slightly overvalued).
  • View: fair / slightly expensive.

Sector context

Classification confirmed: Industrial Goods and Services (ICB), specialist flow/motion-control engineer. IMI's quality profile sits above the typical FTSE industrial — superior margins (20% group adjusted), 96% cash conversion, 14% ROIC, 45% aftermarket revenue, 1.2x net debt / EBITDA. Listed peers: Spirax Group, Rotork, Weir Group, and to a lesser extent Emerson Electric / Flowserve in the US.

Investment thesis

  1. Durable aftermarket / installed-base compounder with pricing power. ~45% of revenue is aftermarket; Process Automation tracks 200,000+ installed severe-service valves, and management attributes >£90m of three-year order intake to data-driven aftermarket targeting 2026-03 FY2025 results. Aftermarket orders grew 11% organically in 2025 and 7% in H1 2026 2026-07 H1.
  2. Multiple structural tailwinds (nuclear, LNG, data centres, electrification). H1 2026 Process Automation booked a £48m single Nuclear order; Climate Control data-centre orders ran £18m in H1 2026 vs. £6m prior year; FY25 data-centre orders doubled to £18m with direct-liquid-cooling exposure 2026-07 H1, 2026-03 FY2025. Over half of IMI revenue is linked to energy demand/efficiency.
  3. Disciplined capital allocation and compounding returns. £500m buyback announced March 2026 (£250m completed H1), 10% dividend hike, £400m deployed in bolt-ons since 2019 with ROIC +260bps, €63m iSMA CONTROLLI deal adding smart-building automation 2026-10 iSMA acquisition, 2026-03 FY2025. Adjusted EPS CAGR 10% since 2019.

Key risks

  1. Cyclical/geopolitical exposure. Middle East = 6% of 2025 revenue, concentrated in Process Automation; conflict could delay shipments 2026-05 trading update. Industrial Automation is tied to global industrial activity which can soften quickly.
  2. Cyber / operational disruption. The February 2025 cyber-attack cost £27m in adjusting items and caused Q1 2025 revenue disruption 2026-03 FY2025; incremental cyber-security investment is an ongoing margin headwind 2026-07 H1.
  3. Valuation premium to historical range and limited AI pure-play leverage. 22.7x forward P/E leaves little margin if growth decelerates or if the market rotates away from "quality compounders"; AI exposure, while real, is a small share of revenue (data-centre orders ~£36m annualised vs £2.3bn group revenue) inferred from 2026-03 FY2025 and 2026-07 H1.

Operating leverage

IMI exhibits moderate industrial operating leverage, not software-like. Group gross margin was 48.7% in H1 2026 (£564m on £1,159m) with net operating costs of ~£347m; of this, perhaps 60–70% is semi-fixed (R&D ~3.1% of sales, central overheads, depreciation £58m). H1 2026 proved the point: 6% revenue growth → 10% adjusted operating profit growth → +50bps margin, and Automation delivered 12% operating profit on 6% revenue (+100bps) 2026-07 H1. However, incremental drop-through is capped because ~30-35% of revenue is BOM/variable, and management explicitly says operating leverage is being partly reinvested in cyber security. A 10-20% revenue beat would plausibly add ~15-25% to operating profit — meaningful but not transformational. The highest-leverage inflection points sit in Process Automation aftermarket (incremental valve service drops at 30%+ contribution) and Climate Control data-centre controls.

Value-trap signals

None identified. Revenue, margin, cash conversion and ROIC are all trending higher; dividend is growing double-digits; disclosure is clean (Deloitte unqualified); no related-party issues; balance sheet is comfortable at 1.2x net debt / EBITDA.

Earnings vs. expectations

  • FY2024: Guided 120–126p EPS at interim; delivered 122.5p — in line / mid of range.
  • FY2025: Initial guidance 129–136p; reconfirmed through 2025; delivered 132.3p — mid of range.
  • H1 2026: Reconfirmed 136–142p full-year guidance at Q1 trading update, half-year, and H1 results. First half delivered 63.4p adjusted EPS, consistent with ~45/55 H1/H2 phasing on the midpoint.

Pattern: IMI consistently sets credible, achievable guidance and delivers in-line to the mid/upper half of the range. Not a serial beater (consensus data not disclosed in filings), but no misses or warnings across the five-year window.

Conviction

Conviction: 4 (high).

  • Anchors: exceptionally clean disclosure and auditor review, 6-year track record of consistent delivery, well-defined financial framework (5% / 20% / 90% / 12%+), balance-sheet transparency.
  • Caveats: fair value depends on choice of multiple against a background of elevated UK industrial ratings; AI exposure is still too small to anchor explicitly in forecasts.
Filings consulted · 24

Every document the LLM read for this note. Click any row to open the source.

  1. 2026-10-07Acquisition OF Isma Controlli For 63m2026-10-07_9809936_acquisition-of-isma-controlli-for-63m.md0.75
  2. 2026-07-31Half Year Results2026-07-31_9697072_half-year-results.md0.90
  3. 2026-05-12Trading Update2026-05-12_9562834_trading-update.md0.85
  4. 2026-05-12Result OF Agm2026-05-12_9564344_result-of-agm.md0.30
  5. 2026-03-06Full Year Results2026-03-06_9461477_full-year-results.md0.85
  6. 2025-11-06Trading Update2025-11-06_9215494_trading-update.md0.72
  7. 2025-08-01Interim Results2025-08-01_9018178_interim-results.md0.58
  8. 2025-05-08Trading Update2025-05-08_8866541_trading-update.md0.55
  9. 2025-05-08Result OF Agm2025-05-08_8868329_result-of-agm.md0.20
  10. 2024-11-07Trading Update2024-11-07_8534647_trading-update.md0.55
  11. 2024-10-31Acquisition OF Twtg2024-10-31_8521543_acquisition-of-twtg.md0.49
  12. 2024-07-26Interim Results2024-07-26_8332250_interim-results.md0.41
  13. 2024-05-09Result OF Agm2024-05-09_8186125_result-of-agm.md0.14
  14. 2023-07-28Interim Results2023-07-28_7660523_interim-results.md0.23
  15. 2023-05-04Result OF Agm2023-05-04_7513593_result-of-agm.md0.07
  16. 2022-12-28Completion OF Heatmiser UK Ltd Acquisition2022-12-28_7258301_completion-of-heatmiser-uk-ltd-acquisition.md0.19
  17. 2022-11-08Proposed Acquisition OF Heatmiser2022-11-08_7296693_proposed-acquisition-of-heatmiser.md0.19
  18. 2022-10-31Acquisition OF Corsolutions2022-10-31_7206460_acquisition-of-corsolutions.md0.19
  19. 2022-07-29Interim Results2022-07-29_6916542_interim-results.md0.23
  20. 2022-06-13Completion OF Acquisition2022-06-13_6937262_completion-of-acquisition.md0.19
  21. 2022-05-30Proposed Acquisition2022-05-30_7071819_proposed-acquisition.md0.19
  22. 2022-05-05Result OF Agm2022-05-05_7194514_result-of-agm.md0.07
  23. 2021-12-20Completion OF Adaptas Solutions Acquisition2021-12-20_6879340_completion-of-adaptas-solutions-acquisition.md0.19
  24. 2021-11-15Proposed Acquisition OF Adaptas Solutions2021-11-15_6737740_proposed-acquisition-of-adaptas-solutions.md0.19

This research note was authored by a large language model after reading 22 regulatory filings published between 2021-11-15 and 2026-10-07. Each citation refers to a specific RNS announcement in the underlying data set. The note is an opinion, not advice. Do your own work before risking capital.