What departments does ALL4 have?

ALL4 has employees across 13 departments including Finance, Operations, Consultant, Information Technology, Sales.

What is the largest department at ALL4?

The largest department at ALL4 is Administrative with 7 employees.

Where are ALL4 employees located globally?

ALL4 has employees across 5 continents and 12 countries including South Africa, Russian Federation, France, Spain, Ireland.

How has ALL4's team size changed over time?

ALL4's team has grown from approximately 286 to 304 employees based on available data.

ALL4 Employee Directory

Environmental ServicesPennsylvania, United States201-500 Employees

ALL4 is a global environmental services and EHS consulting firm that also delivers digital solutions to support sustainable outcomes. The company partners with private and public sector clients to navigate regulatory landscapes and drive transformative change across industries. Its services span air quality management, chemical reporting and compliance, sustainability, investigation and remediation, occupational health and safety, waste management, water quality, and digital solutions. Headquartered in Philadelphia, Pennsylvania, ALL4 employs 201-500 people, operates from offices in multiple U.S. metropolitan areas and Madrid, Spain, and has an international presence extending to Canada and Latin America. ALL4 has expanded its capabilities through acquisitions, including Tora Consulting LLC in 2026, Capaccio Environmental Engineering in 2024, and Whatcom Environmental Services Inc. in 2020. The firm has received industry recognition such as Verdantix Green Quadrant Innovator Status, Inc. 5000 Fastest Growing Companies, ENR Top 200 Environmental Firms, and Zweig Hot Firm.

ALL4 Global Highlights

North America
345

United States Of America
338
Canada
4
Mexico
3

Europe
28

Spain
24
France
2
Ireland
1
United Kingdom Of Great Britain And Northern Ireland
1

South America
4

Brazil
2
Chile
1
Argentina
1

Africa
1

South Africa
1

Asia
1

Russian Federation
1

ALL4's Leadership

W. S.
Ceo And Principal Consultant
Mobile Phone
Email
C. M.
Chief Growth Officer
Mobile Phone
Email
D. P.
Chief Financial Officer
Mobile Phone
Email
K. H.
Chief Operating Officer
Mobile Phone
Email
C. M.
Chief Technical Officer
Mobile Phone
Email
B. L.
Acoustics Practice Director
Mobile Phone
Email
K. P.
Controller
Mobile Phone
Email
C. N.
It Director
Mobile Phone
Email

ALL4 Employee Metrics

100%

50%

0%

2026

2025

Consultant
Program & Project Management
Administrative
Business
Human Resources
Other

Contact profiles from ALL4

Name

Title

Contact Info

Location

Last Update

C. M.
Chief Growth Officer
Mobile Phone
Email
United StatesMississippi
May 06, 2026
D. P.
Chief Financial Officer
Mobile Phone
Email
May 06, 2026
K. H.
Chief Operating Officer
Mobile Phone
Email
United StatesMississippi
May 28, 2026
W. S.
Ceo And Principal Consultant
Mobile Phone
Email
United States
May 06, 2026
C. M.
Chief Technical Officer
Mobile Phone
Email
United StatesGeorgia
May 31, 2026
B. L.
Acoustics Practice Director
Mobile Phone
Email
CanadaOntario
May 06, 2026
K. P.
Controller
Mobile Phone
Email
United StatesFlorida
Apr 21, 2026
C. N.
It Director
Mobile Phone
Email
United StatesMississippi
May 06, 2026
S. L.
Sales Director
Mobile Phone
Email
SpainMadrid
May 06, 2026
S. S.
Marketing Director
Mobile Phone
Email
United StatesNorth Carolina
Jun 01, 2026

Frequently Asked Questions

What is ALL4 known for?

ALL4 was founded in 2002 operates in the Environmental Services industry. The company's main headquarters is located in 2393 Kimberton Road po Box 299 Kimberton, Pennsylvania 19442 United States; you can contact the main corporate office by phone at

+1-610-933-****

. Explore ALL4's company overview page for more information.

What is ALL4's most common email format?

ALL4 employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more ALL4 email formats with LeadIQ.

How many employees does ALL4 have currently?

ALL4 has approximately 409 employees as of June 2026. These team members are located across 5 continents, including North AmericaEuropeSouth America.

Who are ALL4's key employees and leadership?

As of June 2026, ALL4's key employees include:

Ceo And Principal Consultant: W. S.
Chief Growth Officer: C. M.
Chief Financial Officer: D. P.
Chief Operating Officer: K. H.
Chief Technical Officer: C. M.

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ALL4 Employee Directory

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