Excel Services

What Excel Services does

Excel Services Corporation is a privately held nuclear engineering and consulting firm founded in 1985 by Donald R. Hoffman and headquartered at 11921 Rockville Pike in Rockville, Maryland, deliberately located one and a half blocks from the U.S. Nuclear Regulatory Commission. The firm provides specialized professional services to commercial nuclear utilities, nuclear power producers, government agencies, and international nuclear programs across the full nuclear plant lifecycle — licensing, regulatory compliance, technical specifications management, engineering, operations support, decommissioning, and new reactor build programs. Service delivery is organized into five portfolios (O&M Reduction, Workforce Enhancement, New Reactor/Technology, Innovative Solutions, and Event Response) plus a specialized Owner's Engineer offering, and the firm holds industry-leading positions including authorship of all 500+ Technical Specifications Task Force (TSTF) travelers and leadership on the first-ever Part 52 Early Site Permit and Combined License issued by the NRC.

Name

Excel Services

Legal name

Excel Services Corporation

Website

https://excelservices.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

101–250 employees

Short description

Excel Services Corporation is a privately held nuclear engineering consulting firm founded in 1985, providing licensing, regulatory compliance, technical specifications, and engineering services to US nuclear utilities, international nuclear programs, and government agencies from its Rockville, Maryland headquarters near the NRC.

Ownership category

akta.pro rank

Product category

Nuclear Engineering Consulting Services

NAICS

Other Scientific and Technical Consulting Services (54169), Management, Scientific, and Technical Consulting Services (5416), Management Consulting Services (54161)

SIC

Services-Engineering Services (8711), Services-Engineering, Accounting, Research, Management (8700), Services-Management Consulting Services (8742)

akta.pro primary industry

Nuclear Plant O&M Services (EUAEAGAC)

Keywords

• Nuclear consulting services
• Regulatory compliance support
• Nuclear licensing services
• Decommissioning support
• Technical specifications management

Headquarters

HQ city

Rockville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Professional Consulting Services: EXCEL generates revenue through providing specialized professional consulting services to nuclear utilities and power producers. Services include licensing and regulatory compliance support, engineering services, technical specifications management, and regulatory affairs consulting. The company emphasizes that their solutions 'pay for themselves' by solving difficult operational challenges and reducing costs for clients.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Excel Services Corporation provides specialized nuclear engineering consulting services to nuclear utilities, power producers, government agencies, and international nuclear programs. Its offerings span licensing and regulatory compliance support, technical specifications management (TSTF), engineering services, operations support, power uprates, license renewal, decommissioning, and new build program support (including SMRs and advanced reactors), delivered through five portfolio service lines plus Owner's Engineer services.

Product overview

Excel Services Corporation provides nuclear energy consulting services organized into five distinct portfolio offerings: O&M Reduction Portfolio (digital I&C, security, fuel cycle extensions, technical specifications, power uprates, license renewal, decommissioning), Workforce Enhancement Portfolio (licensing support, training, knowledge retention), New Reactor/Technology Portfolio (design certification, COLA, ESP, technical licensing for SMRs and advanced reactors), Innovative Solutions Portfolio (regulatory modernization, accident tolerant fuel, security-by-design), and Event Response Portfolio (cultural assessments, inspection assistance, event recovery). The company also offers specialized Owner's Engineer services and maintains strategic partnerships with reactor owners groups (PWROG, BWROG, APOG) to provide industry-wide regulatory and technical support.

Differentiator

Problem solved

Functional benefit

Products and services

• New Reactor/Technology Portfolio Licensing and regulatory support for new nuclear build programs including Combined License Applications, Design Certification, and Early Site Permitting. Covers large light water reactors, small modular reactors, and advanced reactors throughout all phases from design certification through commissioning.
• O&M Reduction Portfolio Services focused on reducing operations and maintenance costs while ensuring safety. Includes Digital Instrumentation and Control, Physical/Cyber/Information Security, 24-Month Fuel Cycle Extensions, Improved Technical Specification Conversions, Power Uprates, Risk-Informed Licensing, License Renewal, and Decommissioning.
• Workforce Enhancement Portfolio Licensing, regulatory compliance, and Technical Specifications services including training and knowledge retention programs. Covers licensing support, design basis retrievability, and workforce knowledge transfer for nuclear utilities.
• Innovative Solutions Portfolio Innovative regulatory approaches through technical support of Pressurized Water Reactor Owners Group (PWROG), Boiling Water Reactors Owners' Group (BWROG), and AP1000 Owners Group (APOG). Includes Accident Tolerant Fuel support, Security by Design, and Regulatory Decommissioning approaches.
• Event Response Portfolio Technical and regulatory expertise for confronting difficult challenges including cultural assessments, inspection assistance, event assessment and recovery, and corrective action support. Helps clients address NRC enforcement and reactor oversight inspection issues.
• Owner's Engineer Services Technology-neutral, unbiased Owner's Engineer support from strategic phases through project implementation and commissioning. Provides integrated solutions across all required Owner Engineer functions for new nuclear build projects.
• Operating Nuclear Plant Support Services Turnkey projects that improve efficiency and reduce operating costs while ensuring safety for operating nuclear plants. Services span 40+ years with focus on licensing, engineering, operations, and technical/regulatory support.
• New Nuclear Build Support Services Tailored expertise throughout each phase of nuclear new build programs, from initial strategy through transition to operations. Covers large light water reactors, small modular reactors, and advanced reactors.

Quantifiable outcome

• EXCEL has never had an unsuccessful project in over 40 years
• +3 more outcomes

Named customers14 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered major, secondary, minor and core.

• Vietnam National Innovation Center (NIC)majorStrategic or Co-development Partner · 17 March 2026EXCEL Services Corporation signed a strategic cooperation agreement with Vietnam's National Innovation Centre at the Vietnam-US Innovation and Investment Forum held in California. The partnership is part of efforts to advance Vietnam's nuclear energy infrastructure and position Vietnam within global technology supply chains.
• Ho Chi Minh City University of TechnologysecondaryStrategic or Co-development Partner · 17 March 2026EXCEL Services Corporation signed a cooperation agreement with Ho Chi Minh City University of Technology at the Vietnam-US Innovation and Investment Forum. The partnership supports workforce development and nuclear energy planning for Vietnam's technology sector.
• Azurich Investment FundminorGTM or Marketing Partner · 17 March 2026Strategic cooperation agreement signed at Vietnam-US Innovation Forum. Partnership details are limited but appears focused on investment and technology collaboration in Vietnam's nuclear and energy sectors.
• Viet Tri University of IndustryminorStrategic or Co-development Partner · 17 March 2026Strategic cooperation agreement signed at Vietnam-US Innovation Forum. Partnership supports industrial and educational collaboration in Vietnam's energy sector development.
• Nucleon EnergycoreStrategic or Co-development Partner · 3 February 2026EXCEL Services Corporation is collaborating with Nucleon Energy on North Dakota's 12-month advanced nuclear energy study. EXCEL analyzes the state's energy policy landscape, statutory authorities, and regulatory structures while Nucleon provides project-development perspective. The study was authorized by the North Dakota Legislative Assembly under House Bill 1025 and aims to inform policymakers on nuclear energy integration.
• US Trade and Development AgencymajorStrategic or Co-development PartnerEXCEL Services Corporation is working with the US Trade and Development Agency on a proposed $2 million US government grant for Vietnam SMR initiative studies and planning. EXCEL is seeking an additional $5 million from businesses to fund the initiative over the next year. The partnership supports Vietnam's preparations to build advanced energy infrastructure including small modular reactors.
• Viet Tri University of IndustryminorStrategic or Co-development PartnerPartnership for Vietnam nuclear energy workforce development initiatives. Vietnam must begin workforce development immediately as nuclear power projects typically require 10-15 years of preparation.

Scale indicators2 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Enercon Services: Multi-disciplinary engineering, environmental, and nuclear services firm of similar mid-size (~1,500-3,000 employees) with a dedicated nuclear licensing and regulatory compliance practice that closely mirrors EXCEL's service portfolio to US utilities.
• Structural Integrity Associates: Specialty engineering consultancy focused on nuclear and power-plant structural, mechanical, and licensing integrity services, with comparable expert-consultant business model and similar client base among US nuclear operators.
• EnergySolutions: Provider of nuclear plant decommissioning, fuel handling, and regulatory/licensing services to US utilities; directly comparable to EXCEL on decommissioning support work and NRC interface.
• Jensen Hughes: Global safety, security, and risk-based engineering consultancy with a significant nuclear practice covering licensing, security-by-design, fire protection, and event response — overlapping heavily with EXCEL's Event Response, security, and licensing portfolios.
• NAC International: Niche nuclear consultancy offering licensing, transport, and regulatory services to utilities and government clients; similar size and specialist model to EXCEL with comparable NRC-facing work.

Broad incumbents

• Westinghouse Electric Company: Global nuclear OEM and services provider; competes with EXCEL on design certification, COLA, and new-build licensing support but operates as a much larger, reactor-vendor-rooted incumbent.
• Framatome: French-headquartered nuclear OEM and services firm with a broad installed-base engineering and licensing practice; comparable in regulatory/engineering work for operating reactors but vastly larger and globally diversified.
• AtkinsRéalis (formerly SNC-Lavalin Nuclear): Global engineering services firm with a major nuclear practice covering new-build advisory, Owner's Engineer, decommissioning, and regulatory support; competes for the same mega-program slots EXCEL targets.
• Curtiss-Wright (Nuclear Division): Industrial conglomerate whose nuclear division provides engineering, digital I&C, and safety-related services to US and international operators; overlaps with EXCEL's O&M Reduction and I&C work but as part of a much broader portfolio.
• Holtec International: Nuclear technology and services company with a growing decommissioning, spent-fuel storage, and SMR development business; comparable to EXCEL on decommissioning licensing support and a direct competitor in the SMR/advanced reactor licensing space.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Excel Services