Professional Services Companies

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Citrin Cooperman is one of the nation’s largest and fastest-growing professional services firms. Since 1979, our daily mission has been to help middle-market companies and high-net-worth individuals find success in their business and personal financial lives through our proactive guidance, specialized solutions, and industry insights. Whether your operations and assets are located around the corner or across the globe, we provide new perspectives on strategies that help you achieve your short- a

At Mercer, A Marsh business, we’re helping our clients realize their investment objectives, shape the future of work, and enhance health and retirement outcomes for their people. As a business of Marsh, for 80 years, we’ve been helping our clients, colleagues and communities build the confidence to thrive, creating healthier and more sustainable futures. Together with Marsh Risk, Guy Carpenter, and Oliver Wyman, we help organizations build resilience and competitive advantages from every ang

Jaros, Baum & Bolles, Inc. (JB&B) is a leading consulting engineering firm specializing in mechanical, electrical, plumbing, and fire protection (MEP/FP) systems for complex, high-performance facilities. With over 475 professionals, JB&B is headquartered in New York City and has offices in Boston and Philadelphia. Over more than a century, JB&B has designed some of the most iconic buildings across the commercial office, residential, healthcare, life science, aviation, and cultural sectors. As

Our Vision: Dream Big | Go All In At LMC, our vision is to Dream Big | Go All In. We are committed to leveraging our expertise and offering innovative solutions to help our clients achieve their financial goals. We promise our employees a fulfilling career path in a fun and supportive culture. We give back to create a meaningful difference in our communities, and the world. Our Values Our accomplished team embodies the firm’s core values of teamwork, raising the bar, integrity, serving the gr

Communicator. Client advocate. Business person’s engineer. These aren’t typical descriptions for engineers, but they are all great ways to describe us. Since our first day of business in October 1999, and on the hundreds of projects we’ve completed, we help our clients make good business decisions about their systems and spaces. We take complex engineering information and make it easy to understand – so that they in turn can make smart decisions. We started our business during the height of th

CodeGreen is a leading national sustainability and energy efficiency consulting firm. CodeGreen provides comprehensive energy management and sustainability consulting for real estate owners, investors and managers covering over 650 million square feet of property nationwide. CodeGreen’s team of over 60 energy, sustainability, and data professionals partner with some of the largest real estate companies worldwide to provide more energy efficient, sustainable, resilient, and healthy buildings to i

DDD provides ML data operations support with Human-in-the-loop for LLMs and autonomous systems, focusing on AI/ML model training and annotation services. Trusted by Fortune 500 companies and pioneers in the autonomy industry, government, defense tech, technology, AgTech, and cultural heritage, we ensure the safety and performance of AI applications. DDD offers end-to-end AI and autonomy solutions, supporting the entire lifecycle of autonomous systems from development and deployment to market re

Earthbound Brands is a global licensing, product design, and creative agency. For over 25 years, we’ve partnered with leading retailers and world-renowned brands to expand their reach through strategic brand extensions, innovative product design and development, and trend-forward creative services. By connecting iconic brands with best-in-class partners, we help them evolve, expand, and grow on a global scale. For more information, visit www.earthboundbrands.com.

Landmark Ventures is the ultimate dealmaking platform. A leading investment bank, events platform, and corporate advisory firm, Landmark has worked with hundreds of the top public companies, leading investment funds, and growth-oriented private companies over the past 20 years. The firm specializes in deep market insights and extensive personal relationships across the enterprise software, cybersecurity, internet of things (IoT), industrial tech, artificial intelligence, sports, marketing tech,

Stable Rock is an integrated professional services platform supporting over 500 clients including investment and asset managers, early-stage and midsize businesses, portfolio companies, and founders. We provide deep expertise across outsourced and fractional CFO services, accounting and bookkeeping, middle office and operations, regulatory and compliance, tax strategy and planning, IT, HR, insurance services, and AI-driven automation.

Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community. For over 25 years, our consistently high-quality service has provided clarity to readers of a nonprofit’s financial statement, enhanced funders’ confidence to give, and enabled our clients to focus on their mission to better society.

EY is building a better working world by creating new value for clients, people, society, the planet, while building trust in the capital markets. Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow. EY teams in more than 150 countries work across a full spectrum of services in assurance, consulting, tax, strategy and transactions, strengthened by sector experience and diverse

Mace Consult launched as a new and independent business on 5 March 2026, through a carve-out from Mace Group. Mace Consult and Mace Construct are now two independent businesses following the completion of a majority investment in Mace Consult by Goldman Sachs Alternatives. Mace Consult will continue to grow and develop under the Mace name, leveraging the strength of the brand’s global reputation in delivering exceptional programme and project delivery. Mace Construct will rebrand later in 20

We are a business improvement and standards company that partners with more than 77,500 clients globally across multiple industry sectors. BSI provides organizations with the confidence to grow by working with them to tackle society’s critical issues – from climate change to building trust in AI and everything in between - to accelerate progress towards a fair society and a sustainable world. For over a century BSI has been recognized for having a positive impact on organizations and society,

We are a tech-enabled consultancy known for our market leading advice in pensions, investment and insurance, and we strive to help create a financially better future for our society. Our love of data, technology and posing solutions to the difficult questions of today, has taken us into newer areas. We now have a reputation for excellence in energy transition, health analytics and sport analytics. We are a certified B Corporation™.

Helping biopharmaceutical companies bring treatments to patients worldwide through clinical supply, managed access and global partnering solutions.

Founded in 2014, Facility Performance Consulting (FPC Global) set out on a mission to "Build Tomorrow’s Digital Planet" by delivering highly specialised, facility life-cycle integrated consulting services for the Built Environment. By 2025, FPC Global has grown into a global leader in digital building services, with over 150 experts across the UK, Ireland, the US & Americas, Europe, India, and APAC. Our business operates under two key pillars: Advisory ~ We deliver Technical Consultancy & Advi

Founded to shape the future of pensions, health, and insurance solutions, Aptia is a leading professional services firm dedicated to simplifying complexity for businesses and individuals. We bring together cutting-edge technology and deep industry expertise to help organisations navigate an evolving landscape with clarity and confidence. With a presence in the US, UK, India, and Portugal, we support over six million people and more than 1,100 clients, delivering solutions that drive efficiency,

WTS UK is a new non-audit tax advisory firm offering the full range of services to large and listed businesses. It brings a fresh approach to tax advisory, providing clear, actionable advice led by senior partners hired from top advisory firms and in-house teams. It is purpose-built, with AI embedded, to sharpen insight and enhance client service. WTS UK is part of WTS, an international full-service provider of tax and complementary financial advisory services headquartered in Munich, Germ

RSM is a leading global network of assurance, tax and consulting firms focused on the middle-market. We share skills, insight and resources, as well as a client-centric approach that is based on a deep understanding of your business. This is how we empower you to move forward with confidence. This is The Power of Being Understood.

The Intern Group is an Education Technology company that bridges the education system and meaningful careers. Our purpose is to enable people to realize their potential. We bring global, diverse talent to our 3,000+ partner host organizations, which range from governments and multinationals to SMEs, entrepreneurial startups, and NGOs. To date, we have empowered a growing community of 15k global alumni through our programs. 150+ universities—including Princeton, UPenn, London School of Economics

Procurement and finance teams are under increasing pressure to deliver more value, faster, while working with limited capacity and growing operational complexity. From cost control and supplier performance to process efficiency and system adoption, the demand on internal teams continues to rise. Denova helps organisations close that gap by embedding experienced specialists directly into client teams. We work alongside procurement and finance functions to provide practical support where it is ne

Unifeye is a pureplay Databricks consultancy that helps organisations unlock business value from data faster. We partner with clients to design and deliver modern data platforms that drive measurable outcomes, whether that’s accelerating time to value, reducing operational costs, improving compliance, or enabling AI innovation. With a team of certified Databricks experts, we go beyond implementation: we align technology with business strategy, simplify complexity, and create scalable foundations

Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms. Founded in 1891, the firm is a global leader in power, energy, and decarbonization with expertise in grid modernization, renewable energy, energy storage, nuclear power, fossil power, carbon capture, and hydrogen. Sargent & Lundy delivers comprehensive project services – from consulting, design, and implementation to construction management, commissioning, and operations/maintenance – with an emphasi

In the US, Grant Thornton LLP and Grant Thornton Advisors LLC (and their respective subsidiary entities) practice as an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable law, regulations and professional standards. Grant Thornton LLP is a licensed independent CPA firm that provides attest services to its clients, and Grant Thornton Advisors LLC and its subsidiary entities provide tax and business consulting services to their clients. Grant Th

Crowe provides professional services through two separate entities: Crowe LLP delivers audit and attest services, and Crowe Advisory LLC provides tax, advisory, consulting, and other nonattest services. The Crowe Global network consists of more than 300 independent accounting and advisory services firms in more than 150 countries around the globe, making it one of the largest accounting networks in the world.* As independent members of Crowe Global, Crowe LLP and Crowe Advisory LLC serve clien

Serving a broad range of markets, Benesch has played a role in shaping our nation’s infrastructure and local communities for decades. We are client-focused – dedicated to providing responsive service and recruiting the very best talent to deliver project success. Benesch is consistently ranked among the Top 500 Design Firms in the country by Engineering News Record.

Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries. (This page is maintained by Marketing. Please consult Coalfire.com to explore career opportunities.)

Inovus Technologies transforms business operations with expertly custom-configured software solutions. Our seasoned team specializes in business process mapping, consulting, custom-configuration, platform integration, and training for leading platforms like Creatio, monday.com, and SugarCRM. We are dedicated to empowering organizations and their teams to work efficiently and effectively by creating automated, no- code, seamless workflows. Our journey began over 22 years ago with the Highland G

Orbit is an award-winning digital marketing and web design agency based in Chicago. Since 2001, we've completed over 1,000 successful web design projects. We have worked with companies in every industry and have over 24 years of expertise in digital marketing, web design, web development, SEO, AEO/GEO and conversion optimization. We're proud of our reputation for client service and success. Orbit is a team of 100% in-house web design, web development and optimization experts. Our digital mar

Dexis is a mission-driven security analytics company that helps U.S. Government agencies protect Americans from evolving threats at home and abroad. With nearly 25 years of experience, we support national security objectives through data-driven analysis, operational support, and agile program implementation for clients like the Department of Defense, Department of State, and Homeland Security.

Blake Willson Group (BWG) is a nationally recognized, technology-enabled CPA firm transforming how the private sector serves federal agencies. We harness cutting-edge technology that optimizes financial integrity, modernizes operations, and improves agencies' ability to accomplish their mission and drive results. Our comprehensive expertise spans defense, national security, and civil agencies across a broad array of solutions related to enterprise risk and controls, financial performance optimiz

CornerBrooke (CB) is a SBA verified Service-Disabled Veteran-Owned Small Business (SDVOSB). We work with organizations to create clear, actionable and measurable solutions whether it is at the organizational, operational or program level. Our solutions integrate organizational processes across managerial structures, with a focus on people and technology. CB works with organizations to assess performance challenges, design improvement initiatives and then works with our clients to effectively imp

Founded in 1991, our mission is to help organizations become more responsive, efficient and effective by providing high value and quality service. FMP core values: Partnership: At FMP, partnership is more than a buzzword; it is integral to our approach to business. We take on our clients’ challenges as our own, invest the time necessary to truly understand their needs, and work collaboratively to develop solutions that drive transformation. Flexibility: Flexibility is also core to the FMP

We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity. ​ ​From local beginnings to a globe-spanning presence today, we operate in over 50 countries and employ approximately 73,000 professionals, known as Visioneers. ​ Together they pioneer solutions and deliver innovative projects across sectors: Transport & Infrastructure, Property & Buildings, Earth & Environment, Water, Power & En

We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity. ​ ​ From local beginnings to a globe-spanning presence today, we operate in over 50 countries and employ approximately 73,000 professionals, known as Visioneers.​ Our Canadian team, of 13,000 professionals, pioneers solutions and delivers innovative projects across sectors: Transport & Infrastructure, Property & Buildings, Earth &

Richter est un Bureau Familial | d’Affaires qui fournit des conseils stratégiques sur les questions d’affaires et sur les objectifs financiers et personnels des familles à travers les générations. Forts d’un siècle d'expérience à conseiller à l'intersection de la famille et de l'entreprise, Richter a développé une approche intégrée afin d’accompagner les propriétaires d'entreprise dans leur quête d’un succès durable. Que ce soit sur le plan professionnel, personnel ou la combinaison des deux, Ri

Blend is a premier AI services provider, committed to co-creating meaningful impact for its clients through the power of data science, AI, technology, and people. With a mission to fuel bold visions, Blend tackles significant challenges by seamlessly aligning human expertise with artificial intelligence. The company is dedicated to unlocking value and fostering innovation for its clients by harnessing world-class people and data-driven strategy. We believe that the power of people and AI can hav

Family-owned since 1947, Terminix Service, Inc. operates more than 50 branch locations throughout South Carolina, western North Carolina and Augusta, Georgia, serving more than 200,000 customers. And through a relationship with our parent company, Terminix International, we have access to the most advanced resources and technology available. That means our customers get personalized, hometown service backed by today's best science.

At Elaflo Consulting Services (ECS), we’re all about delivering smart, sustainable solutions in energy, infrastructure, logistics, and operations. Backed by over 65 years of combined expertise, we solve complex challenges with innovative, customized strategies that drive real results. As a certified SDVOSB and WOSB, we’re committed to sustainability and excellence, helping businesses thrive in today’s fast-evolving global landscape. Whether it’s project management, facilities technology, or staf

Information Systems and Networks Corporation- Headquartered in Bethesda, Maryland, ISN Corporation is a nationwide provider of specialized professional services to Federal government agencies. ISN's portfolio includes work with over 100 Federal agencies. ISN Corporation is focused on helping federal agencies run programs to ensure the highest level of quality, timeliness, and integrity and to eliminate fraud, waste, and abuse. ISN’s technology-based approaches not only achieve results, but al

ZemiTek, LLC is a small, woman-owned professional services firm based in the Washington, DC metro area, providing tailored and innovative solutions to federal clients nationwide. Since our founding in 2007, ZemiTek has expanded beyond its roots in Information Technology (IT) to offer solutions that address today’s most pressing challenges in global security, energy, economic development, and more. Our expertise spans program management, training and learning development, IT solutions, operati

For more than a century, Councilor has delivered integrated advisory and accounting solutions that help individuals and organizations navigate financial complexity. Through industry expertise, collaborative discussions, and a comprehensive view of each client’s financial landscape, we provide clarity today while helping clients prepare for what’s next. At Councilor, we believe the most impactful decisions are made with the right perspective. We look at the big picture to help our clients create

Our project managers don’t just deliver projects on-time and on-budget—we integrate seamlessly with in-house resources, becoming a true partner committed to client success. We offer total support, whether it’s a single, one-time requirement or full management of the project from start to finish. Our approach to project management is based on a single, powerful solution: a dedicated project manager representing the facility owner on the construction site and in the boardroom. Project leadership

ADGA Group is a Canadian-owned defence and security company delivering advanced technology solutions to government and industry. We specialize in cybersecurity, simulation and training, systems engineering, and program management, applying deep expertise through embedded teams, advisory services, and integrated project delivery in live operational environments. For nearly 60 years we have supported Canada’s safety and sovereignty by helping complex systems integrate, evolve, and perform. As a

Tiree is a leading Canadian professional services company specializing in advisory, project management, and security and smart technology solutions. Our expertise is in leading the successful delivery of complex infrastructure projects from the very beginning to the very end. For the past 25 years, Tiree has been partnering with ambitious clients to drive change in the built environment, making a significant and lasting impact on communities in Canada and around the globe. Our commitment to e

For more than 50 years, Aldrich has worked with businesses, their owners, and their employees to help them achieve their professional and personal financial goals. We pair deep industry experience with a full suite of integrated financial, tax, accounting, wealth, corporate retirement, and business transition services to help bring clarity to every phase of our clients’ personal and professional life cycles. The Aldrich group of companies is composed of Aldrich CPAs + Advisors LLP, one of the t

Interface Engineering, Inc. delivers high‑performance mechanical and electrical engineering solutions that help clients create efficient, resilient, and future‑ready buildings. Our mission is simple: creating optimal environments for life. We focus on optimizing resources, achieving occupant comfort, delivering enhanced system performance, and applying advanced building‑science tools to support smarter design, construction, and ongoing operations. Since 1969, we’ve partnered with owners, archi

At Cascade Energy, we believe in better. We come to work every day with a drive for continuous improvement and we dedicate ourselves to making industrial energy efficiency happen in smart, measurable, and sustained ways. We offer utilities and industrial facilities novel ways to meet their sustainability, emission reduction, and/or energy savings goals. We specialize in: energy efficiency program design and implementation, carbon tracking and reporting, scope 1, 2, and 3 consulting services, ene

SNA International applies advanced science and technology to solve complex government challenges. We deliver mission-critical solutions via scientific excellence, organizational optimization, and exceptional talent. We are a company of innovators who apply the latest technologies and methods to optimize performance while removing policy, process, and technological bottlenecks. We remain committed to our original business philosophy: creating cutting edge yet reliable solutions guaranteed to w

DarkStar Intelligence is a Service-Disabled Veteran-Owned Small Business (SDVOSB) delivering advanced intelligence solutions to government and private sectors. Our clients include the DoD, U.S. Army, U.S. Air Force, NSA, and SOCOM. We specialize in: 🔹 Intelligence Operations & Targeting Support 🔹 Collection Management & All-Source Analysis 🔹 Open Source / Social Media Exploitation 🔹 Intelligence Tradecraft Training 🔹 Cybersecurity & Engineering Services Our Core 4 values—Humility, Passion, Agi

Peregrine Solutions is the trusted women-owned small business (WOSB) partner for exceptional project management, facilities management, administrative and business services in the construction industry. Our team—draws on 30 years of experience and contracting expertise to improve your business performance. We are reliable, professional and ethical—and we provide great talent to drive your project success. Our foundation is strong and we are proud of our reputation of providing quality service t

In Canada. For Canada. Doane Grant Thornton LLP is a leading Canadian accounting and advisory firm dedicated to helping our clients, colleagues, and communities thrive. We help dynamic private and public organizations unlock their business potential by providing meaningful, strategic advice across a broad range of services, including assurance, advisory, and tax. For 85 years, we've worked alongside the businesses that have shaped our country and economy—from small businesses to industry leader

SkillHat started as a tech bootcamp helping professionals break into high-growth careers like BA, PM, Product, and Cybersecurity. We built incredible programs, and helped our alumni reach $20M in annual salary income. But we saw a deeper pattern. Our best students did not just want better jobs. They wanted ownership. They were senior professionals with real skills but no control over their upside. So we evolved. Today, Founder Studio helps experienced operators turn their expertise into pr

At Redstone Agency Inc. we manage events and associations, professionally, strategically, and globally. Our mission is to drive growth in our clients’ organizations and make a positive impact in the communities they serve. How? We identify and address areas of untapped potential in operations and management practices. We develop strong partnerships and integrate seamlessly with your team to set the strategic direction of your organization. We combine industry-leading methods and processes with

Contract Safety Professionals (CSP) is a trusted leader in Environmental Health and Safety (EHS) consulting and staffing, serving the general construction, data center, semiconductor, power generation, industrial, and manufacturing sectors nationwide. As a certified Service-Disabled Veteran-Owned Business (SDVOB), we bring discipline, integrity, and excellence to every project we support. What We Do We specialize in delivering comprehensive EHS solutions that keep job sites safe, compliant, and

Excelligent, LLC is a Veteran-Owned Small Business specializing in contracting support services. The company prioritizes the professional development and well-being of its employees, recognizing their critical role in its operations. Excelligent supports employee growth through training programs, tuition reimbursement, and mentorship opportunities aimed at building expertise and advancing careers. The company also provides wellness programs, mental health resources, flexible work options, and co

Fiore is a national aerospace and defense contractor specializing in protective services.