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Apex Companies

National environmental consulting and engineering firm

Overview

Apex Companies delivers environmental consulting and engineering services for public agencies and private clients across all 50 states, covering water resources, environmental remediation, health and safety, compliance assurance, ESG advisory, and infrastructure. It executes end-to-end work from site assessments and stormwater management to remediation and infrastructure projects, blending field services, consulting, and environmental data management. A key differentiator is its broad service scope across environmental, health and safety, and ESG areas, plus the proprietary ARTEMIS data-management platform that captures environmental information to support risk mitigation and lending. The goal is to help clients manage environmental risk, meet regulatory requirements, and complete complex projects efficiently while expanding the firm's national footprint.

Significant Headcount Growth

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About Apex Companies

Simplify's Rating
Why Apex Companies is rated
B
Rated B on Competitive Edge
Rated A on Growth Potential
Rated C on Differentiation

Industries

Data & AnalyticsConsultingIndustrial & ManufacturingGovernment & Public Sector

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Rockville, MD

Founded

1988

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Simplify's take

What believers are saying

  • Apex ranked No. 28 on Zweig's 2026 Hot Firm list.
  • CEO Shawn Doherty took over November 4, 2024, after tripling revenue and headcount.
  • Florida, California, and Intermountain West acquisitions broaden client access and cross-sell opportunities.

What critics are saying

  • Roll-up integration risks hit margins if Apex absorbs multiple firms in 2025-2026.
  • Private-equity ownership from Morgan Stanley pressures a 2027 exit, not long-term reinvestment.
  • A major stormwater contract loss or safety failure could cripple Apex's reputation and backlog.

What makes Apex Companies unique

  • Apex's all-50-state platform plus 2026 acquisition spree gives unmatched stormwater and water reach.
  • Tully, CWE, and AquaWorks deepen full-lifecycle delivery from design through operations.
  • Morgan Stanley Capital Partners ownership funds roll-ups across fragmented environmental services.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Disability Insurance
  • 401(k) Company Match
  • Paid Vacation
  • Paid Sick Leave
  • Relocation Assistance

Growth & Insights and Company News

6 month growth

22%

1 year growth

20%

2 year growth

20%
Apex Companies
Mar 18th, 2026
Apex Companies Acquires CWE

Apex Companies announced the acquisition of CWE, an award-winning civil infrastructure, water resources, and environmental engineering services firm with multiple offices in California.

Associated Press
Feb 17th, 2026
Apex Companies Acquires Tully, Inc.

Adds to Core Stormwater Strength and Enhances Ability to Deliver the Full Stormwater Lifecycle in Northern California

EIN News
Jan 5th, 2026
Raincatcher Advises AquaWorks DBO on Its Acquisition by Apex Companies

Raincatcher, a national mergers and acquisitions advisory firm serving small to mid-size businesses, served as the exclusive sell-side advisor to AquaWorks DBO,

EIN News
Nov 3rd, 2025
Apex Companies Acquires Forsgren Associates, Inc.

Bolsters Engineering Depth and Extends Operational Presence in Intermountain West

EIN News
Nov 26th, 2024
Apex Acquires Weiler Engineering in Florida

Apex Companies, LLC has acquired Weiler Engineering Corporation, a Florida-based engineering firm. This acquisition enhances Apex's engineering capabilities and strengthens its presence in Florida. Weiler Engineering, with over 45 professionals, brings expertise in civil, structural, and utilities engineering. This move follows Apex's recent acquisitions of Johnson Engineering and Water Science Associates, further expanding its services in the municipal and private markets.

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