Environmental consulting · remediation · construction
6,500 projects closed.
16 offices. One standard.
Sovereign offers comprehensive environmental consulting, remediation, and water and wastewater construction services for projects at industrial, petroleum, commercial, chemical, and government facilities across the country.
Firm profile
Est. 1999
- 16
- offices
- 150+
- employees
- 6,500+
- projects
- $36.2M
- avg. revenue
in 12 states
engineers, scientists, constructors
completed since 1999
three-year average
Federal record
Sovereign is a preferred federal contractor and completed 80 task orders with federal agencies totaling more than $140 million.
§01 Markets
All markets →Nine markets. The same discipline in each: characterise the problem, price the path to closure, then deliver it.
01
→
Water / Wastewater Construction
Sovereign possesses the expertise and experience necessary for successful construction projects in the water and wastewater sector.
5 projects on record
02
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Natural Resources
Science based approaches meeting client's natural resources goal.
2 projects on record
03
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Petroleum
Sovereign specializes in serving the petroleum industry. Our firm manages environmental liabilities for petroleum retail and terminal properties throughout the U.S.
8 projects on record
04
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Industrial / Chemical
For more than a decade, Sovereign has designed and executed remediation plans at several sites with complex technical, legal, and public relations issues.
7 projects on record
05
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Utilities
Sovereign helps utilities connect their services to the public. Our technical expertise, comprehensive services, and local insight allows us to respond quickly to our clients' needs.
6 projects on record
06
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Federal
Sovereign is a preferred federal contractor and completed 80 task orders with federal agencies totaling more than $140 million.
14 projects on record
07
→
Financial / Insurance
With professionals that possess both legal and insurance underwriting experience, Sovereign understands the risks and needs of the financial and insurance industries.
4 projects on record
08
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Commercial / Real Estate
Sovereign works with property owners and developers to keep real estate projects on time and under budget.
5 projects on record
09
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Municipal / State
Sovereign's network of regional offices, strategic planning and optimization, and continuous cost control helps our clients in municipal and state governments meet the needs of stakeholders.
9 projects on record
§02 Services
Full service index →36 services in three phases — assess, consult, perform. Sovereign self-performs the construction, so schedule and cost stay under one roof.
Assess
Find out what is actually there
Before anything is designed or dug, the site has to be characterised — the extent, the pathway, the receptor and the regulatory frame. Assessment is where the cost of a project is really decided.
- Soil / Groundwater Characterization
- Hydrogeology / Groundwater Modeling
- PFAS Investigation and Remediation
- Indoor Air Quality / Vapor Intrusion
- Due Diligence / Property Transactions
Consult
Decide what to do about it
Between the data and the dig sits the decision: which remedy, which permit, which regulatory path, and what it costs to reach closure. This is the work that determines whether a site progresses or stalls.
- Environmental Program Management
- Regulatory Compliance / Permitting
- Risk Management
- Health Risk Assessment
- Innovative Remediation Technology
Perform
Build it, run it, close it out
Sovereign self-performs. Remediation systems, treatment plants, pump stations and demolition are delivered by the firm's own construction group, which is why schedule and cost stay under one roof.
- Construction – Water / Wastewater
- Construction Management
- Soil / Groundwater Remediation
- Remediation System Installation and Maintenance
- Operation / Maintenance / Optimization
Flagship capability
Ten years of PFAS work, from first sample to running plant.
Sampling, analysis and site assessment for federal, commercial and private clients across the country — then procurement, design, installation and O&M of full-scale treatment. Three proven technologies: granular activated carbon, ion exchange and reverse osmosis.
- 01 Investigation
- 02 Assessment
- 03 Design / Construction
- 04 Operation
- 05 Treatment
§03 Case files
All case files →60 representative projects, filterable by market. The full record runs past 6,500 completed since 1999.
- PRJ-0003East Ridgewood & West End PFAS Treatment FacilitiesWater / WW · NJ
- PRJ-0008Major Petroleum Client, Greenhouse Gas Reductions for Remediation Activities with Data-Driven InsightsPetroleum · Nationwide
- PRJ-0009Site Progression for Remediation at RCRA Petroleum RefineriesPetroleum · Nationwide
- PRJ-0029USACE, A/E Services for Hazardous, Toxic, and Radioactive Waste ProjectsFederal · Nationwide
§04 Network
Office directory →16 offices across 12 states — so the team that mobilises to a site is usually already local to it.
Robbinsville
NJ · Headquarters
Cherry Hill
NJ
Mine Hill
NJ
Exton
PA
Warrendale
PA
Edgewood
MD
Hauppauge
NY
Foxborough
MA
Holyoke
MA
Oxford
CT
Houston
TX
Mobile
AL
Greater St. Louis Area
MO
San Francisco
CA · Satellite
Casper
WY · Satellite
North Charleston
SC · Satellite
§05 News
All news →22 April
Earth Day
Earth Day reminds us that environmental progress is driven by the work we do every day. We are proud to support projects that restore impacted environments and protect water resources.
20 April
EBJ 2025 Business Achievement Award
We're proud to share that Marc Cicalese, COO, recently represented Sovereign in receiving the 2025 Business Achievement Award from Environmental Business Journal (EBJ).
13 April
We're hiring: Certified Health Physicist
Sovereign is seeking an experienced Certified Health Physicist to join our growing team.
Next step
Tell us about the site.
Send the address, the issue and the deadline. A principal reads every enquiry and routes it to the office nearest the work.