Top Professional Services Companies in Pittsburgh, PA (107)
Build what’s next — with tech that matters PwC provides professional services across Audit and Assurance, Advisory and Tax — powered by a global network of over 370,000 people in 149 countries. You may know us for our business expertise, but technology is core to how we help clients move faster, build trust and deliver meaningful outcomes. As a technologist, you’ll work...
PwC's Top Stability & Growth Strengths
Resilient & Sustainable Growth: Revenue has increased year over year to a new high, with all three major service lines posting gains despite a slower pace. Growth remains uneven by region, but the overall trajectory is upward over the last several fiscal years.
Future-Ready Strategy: Multi‑billion‑dollar investments in technology—especially nearly $1.5B in AI—along with acquisitions and scaling managed services indicate a deliberate pivot to future growth levers. Leadership attention to next‑generation audit and AI‑enabled capabilities underscores preparation for emerging demand.
Strong Market Position & Advantage: The organization is characterized as a leading global professional‑services network with broad scale across assurance, advisory, and tax and repeated external recognitions in select consulting categories. Reach across major multinational clients supports durable competitive positioning.
Langan is a premier provider of integrated land development engineering, environmental consulting, and digital solutions. The firm supplies engineering and environmental services supporting land development projects, corporate real estate portfolios, and the energy industry. It also partners with clients as a technical and regulatory advocate, helping them address complex environmental challenges through site assessment, design, and remediation, as well as...
Langan Engineering & Environmental Services's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent rankings (ENR Top 500, BD+C Giants, Zweig Hot Firms) and frequent awards (CIANJ Environmental Leadership, Acterra, ACEC, CTBUH) position the firm as a go-to for complex, high-profile projects in geotechnical, environmental, and site engineering. Consistent placement near the top of industry lists, including ENR global and environmental categories, underscores its leadership stature.
Market Expansion: The company is expanding through acquisitions (Kirkman Engineering, ATR Engineering, Navix Engineering, Robert Stephen Consulting) and new or scaled offices across Texas, the Mid-Atlantic, Florida, and Syracuse. Headcount growth to roughly 2,717 and an office network reaching about 60 locations indicate widening geographic reach.
Investor Backing & Capital Strength: A 2023 minority investment from TowerBrook is earmarked to support expanded capabilities and strategic growth. This capital complements the firm’s active M&A and market expansion.
Joyce Factory Direct is a family-owned and operated home improvement company founded in 1955. They specialize in the design, manufacturing, and installation of premium home remodeling products, including windows, sunrooms, baths, and doors. By operating their own manufacturing facility in Cleveland, Ohio, they eliminate middlemen to provide high-quality, custom-crafted solutions directly to homeowners across the Eastern United States, backed by...
ZRG Partners is a global talent advisory firm that helps organizations address complex talent needs. It began as a boutique retained executive-search firm and now provides data-driven executive search, on-demand and interim talent solutions, consulting, and advisory services. Its work spans leadership assessment, strategic alignment, culture, coaching, sales optimization, and initiatives designed to improve organizational performance and business results.
GBBN Architects, Inc. is a multinational architectural design firm that offers planning and design services, focusing on creating solutions that enhance experiences and empower individuals, particularly in housing, healthcare, and education.
Focus On Renewal provides direct services, programming for children & families, and resources for community residents.
Lezzer Lumber is a family-owned building materials supply company, in business since 1927. They are an end-to-end supplier of products including lumber, roofing, trusses, windows, doors, siding, and kitchen & bath cabinetry, serving both commercial and residential projects.
Computer Enterprises, Inc. (CEI) is a minority-owned, privately held technology services company founded in 1992. It helps organizations modernize and operationalize enterprise technology, with a current focus on AI engineering and transformation across the full delivery lifecycle. CEI provides consulting and implementation services spanning cloud, data, applications, digital platforms, and automation, supported by partnerships with major technology providers and cross-industry...
GRSM (Gordon Rees Scully Mansukhani) is a nationwide law firm providing strategic legal guidance across more than 100 practice areas and industry groups. Its lawyers represent individuals and corporate clients in civil and criminal matters, internal audits and investigations, compliance programs, regulatory enforcement, grand-jury proceedings, litigation, and appeals. The firm’s 50-state platform comprises more than 2,000 lawyers and 85+ offices...
PJ Fitzpatrick is a long-standing home improvement company established in 1980. They provide comprehensive residential services including roofing, siding, windows, doors, gutters, and bath remodeling. With over 45 years of experience, they focus on delivering high-quality craftsmanship, exceptional customer service, and long-lasting solutions to homeowners across several states in the Mid-Atlantic region, aiming to make homes safer, more beautiful, and...
H2M architects + engineers is a multidisciplinary professional consulting and design firm serving architectural, engineering, and environmental needs. Its services span architecture, planning, land surveying, infrastructure and road reconstruction, treatment facilities, site assessment, and remediation. H2M emphasizes integrated in-house expertise, sound professional judgment, responsive client service, and practical, innovative solutions that help communities design and build essential public facilities across...
Merakey is a leading developmental, behavioral health and education non-profit provider offering a breadth of integrated services to individuals and communities across the country. We leverage our size and expertise to develop innovative solutions and new models of care to meet the needs of individuals, their families, public and private healthcare funders and community partner organizations. We recognize that complex...
Merakey's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent sector recognition places the organization at the top of the nonprofit behavioral health provider set by scale, reinforcing a strong competitive position in its segment. The multi-state footprint and large operating scale (hundreds of locations/programs and tens of thousands served annually) further support this advantage.
Strong Revenue Growth: Reported top-line figures show movement from the low-to-mid $600M range to roughly the low-to-mid $700M range in the most recent consolidated annual reporting, indicating revenue growth. The scale of revenue is also consistent with a large, system-level operator rather than a single-site provider.
Market Expansion: Operations spanning 12 states and explicit entry into multiple new states, along with targeted acquisitions that add staff and individuals served, indicate continued geographic expansion. New clinic and service launches (e.g., urgent walk-in behavioral health access points and recovery housing) reinforce ongoing footprint growth.
Founded in 1977, Cohen & Co is a top tax and accounting firm recognized by USA TODAY. The company provides top-tier tax, assurance, and advisory services to a diverse range of clients, including privately held companies, public and private funds, fund service providers within the asset management industry, and Fortune 1000 multinational enterprises across the United States and internationally.
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Forget what you think you know about professional services. We go beyond what’s expected and help others do the same. Grant Thornton is the U.S. member firm of Grant Thornton International Ltd, one of the world’s leading independent audit, tax and advisory firms. That means our network has more than 60,000 professionals in more than 135 countries who are ready to...
Grant Thornton LLP (US)'s Top Stability & Growth Strengths
Investor Backing & Capital Strength: A growth-oriented private equity investment from New Mountain Capital (with minority investments from CDPQ and OA Private Capital) in 2024 supplied an “investment war chest” to accelerate technology, AI-enabled services, talent acquisition, and strategic expansion. This capital base also underpins the multinational platform strategy and the announced CBIZ deal.
Market Expansion: Grant Thornton Advisors announced a $5.0 billion acquisition of CBIZ that, upon closing, would lift the U.S. platform past $5 billion in domestic revenue and expand brand reach. The Advisors arm also combined with Grant Thornton Ireland in 2025 and has since grown its European footprint, signaling inorganic and international momentum.
Strong Market Position & Advantage: The firm is consistently ranked among the top U.S. accounting and professional services firms, operates across numerous U.S. offices, and is a premier leader for the mid‑market and private‑equity segments. Its inclusion among the small set of firms subject to annual PCAOB inspection underscores national scale and capital‑markets relevance.
Berlin Packaging is the world’s largest Hybrid Packaging Supplier® of glass, plastic, and metal containers and closures. The company supplies billions of items annually along with package design & innovation, global sourcing, warehousing & logistics, quality advocacy, financing & consulting services for customers across all industries. Berlin Packaging brings together the best of manufacturing, distribution, and income-adding service providers. Its...
HKA is a global consultancy specializing in risk mitigation, dispute resolution, expert witness services, and litigation support. It helps clients manage disputes, risks, and uncertainties linked to complex contracts and challenging projects, offering impartial, incisive, and authoritative advice. With a team of 1,100 people and expertise spanning over 30 languages, HKA supports organizations in resolving claims and achieving effective outcomes...
Founded in 1854, Glade Run Lutheran Services is a non-profit organization based in Zelienople, Pennsylvania, dedicated to empowering individuals through education, mental health services, developmental disability support, and community-based programs. Serving thousands of children, adults, and families across Western Pennsylvania, the agency provides innovative, compassionate care in school, home, and community settings, continuing a long tradition of linking faith and...
Grant Thornton New Zealand is a leading professional services firm providing audit, tax, and advisory services to dynamic organizations across New Zealand. With a team of over 300 professionals, the firm combines local insight with global connectivity through the Grant Thornton International network. They are known for a collaborative, client-centered approach, delivering practical solutions that help businesses improve performance, grow...
The NRP Group is a vertically integrated developer, owner, builder, and manager of multifamily housing, dedicated to creating exceptional rental communities for individuals and families regardless of income.
Erie Home (operating as Erie Construction Mid-West Inc) is a leading American home services provider specializing in premium residential roofing and basement waterproofing systems. With over 100 locations nationwide, the company delivers high-quality solutions including metal and asphalt roofing, foundation repair, and air quality services, combining local expertise with national scale to provide superior craftsmanship and professional customer service to...
