10-K annual report · filed Mar 2, 2026

Limbach Holdings, Inc. (LMB) FY2025 10-K Annual Report

Short answer

Limbach Holdings, Inc. (LMB) filed its fiscal 2025 10-K annual report with the SEC on Mar 2, 2026. It reported revenue of $647M (+24.7% year over year) and net income of $39M.

  • Top risk flagged: Regulatory risk: Section 232 tariffs on steel and aluminum increased to 50% in June 2025, expanding scope and raising raw material costs for projects

FY2025 key financial metrics · XBRL

Revenue
$647M
+24.7% YoY
Net income
$39M
+26.5% YoY
Operating margin
7.6%
+0.2 pp YoY
Gross margin
26.2%
−1.6 pp YoY
EPS (diluted)
$3.23
+25.7% YoY
ROE
20.0%
−0.2 pp YoY
Operating cash flow
$46M
+24.2% YoY

Source: XBRL data from the Limbach Holdings, Inc. (LMB) FY2025 10-K on SEC EDGAR. USD.

Limbach Holdings, Inc. FY2025 10-K analysis

AI summary of each section, grounded in the filing text

Business Overview

  • Core business: Design, delivery, and maintenance of MEPC systems for mission-critical facilities in healthcare, industrial, data centers, life sciences, higher education, and entertainment
  • New emphasis: Expanded ODR segment revenue target achieved at 75.1% of total, with 40.6% YoY growth driven by acquisitions and organic growth
  • Strategic shift: Continued shift from GCR to higher margin ODR business, with GCR revenue down 7.0% but margins improved to 24.5%
  • Quantitative highlight: Record revenue $646.8 million and gross profit $169.3 million; notable acquisition of Pioneer Power expanding geographic footprint
  • Noteworthy fact: Pioneer Power acquisition completed July 2025, expanding presence into upper Midwest and broadening industrial and healthcare market reach

Management Discussion & Analysis

  • Revenue $646.8M, up 24.7% YoY; ODR $485.7M up 40.6%, GCR $161.1M down 7.0%
  • Operating income margin 7.6% vs 7.4%; Gross profit margin 26.2% vs 27.8% with ODR margin down to 26.7% from 31.2%
  • Best segment ODR gross profit $129.9M (+20.5%), worst GCR revenue decline of $12.2M (-7.0%)
  • SG&A $109.5M (16.9% revenue) up 12.7%; stock-based compensation $7.0M; no explicit buyback or dividend data disclosed
  • Management cites acquisitions driving growth; highlights integration focus on acquired lower margin entities; risks include contract cost overruns and backlog fluctuations

Risk Factors

  • Regulatory risk: Section 232 tariffs on steel and aluminum increased to 50% in June 2025, expanding scope and raising raw material costs for projects
  • Geopolitical/macroeconomic threat: U.S. government shutdown Oct 1–Nov 12, 2025 caused delays in federally sponsored projects, affecting timing but not material results
  • Operational vulnerability: Supply chain disruptions and equipment lead-time volatility driven by inflation, tariffs, and labor disruptions impacting fixed-price contracts
  • Competitive risk: Shift to smaller, higher-margin owner-direct projects to reduce exposure to large, complex GCR projects with historically higher risk
  • Financial risk: $10 million outstanding on $100 million revolving credit facility with interest rates linked to Term SOFR plus margin, maturing July 2030

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