Top Professional Services Companies in Philadelphia, PA (157)
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.
ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 15,000+ employees in over 40 offices worldwide.
ZS's Top Stability & Growth Strengths
Strong Hiring & Retention: Hiring and headcount are expanding, with disclosures of 15,000+ global employees, thousands of new hires, and third‑party estimates indicating continued workforce growth. Available evidence also points to active internal mobility and a recent increase in active job postings.
Market Expansion: Geographic and client footprints are broadening, with 40+ offices and 1,700+ customers across 170+ countries alongside concrete investments in new and expanded locations such as Hyderabad and Kingston. These moves indicate scaling delivery capacity in major capability centers and new regions.
Innovation-Driven Growth: The offering mix is shifting toward AI, data, technology, and platforms, including proprietary solutions and product capabilities. Strategic moves such as Salesforce-focused acquisitions and collaborations, plus a Tulip solution partnership, extend capabilities beyond traditional consulting.
Weber Gallagher is a multi-office law firm providing legal counseling and representation to local, national, and international clients. It serves businesses, financial institutions, insurance companies, employers, healthcare institutions, executives, entrepreneurs, and other professionals. Its attorneys advise on creditors’ rights, real estate, civil rights, commercial law, employment, environmental matters, insurance, transportation, family law, liability, and workers’ compensation, with an emphasis on...
Securitas Security Services USA, Inc. is a leading provider of customized security and guarding solutions. The company offers a comprehensive range of protective services, including on-site guarding, mobile patrols, remote monitoring, and electronic security. They also provide specialized services in fire and safety, corporate risk management through Pinkerton, and professional consulting and investigations to help safeguard people, property, and information.
LaBella Associates is an international Architecture, Engineering, Environmental and Planning firm.
LaBella Associates, D.P.C.'s Top Stability & Growth Strengths
Market Expansion: Geographic reach is expanding through multiple acquisitions and new regional offices, while high-profile project roles indicate entry into new markets. Feedback suggests this expansion is supported by a scaling internal workforce and added service capabilities.
Strategic Partnerships: Acquisitions of firms such as Tisdel Associates, Prestige Environmental, and others reflect a deliberate partnership-led growth strategy. Feedback suggests these integrations broaden technical depth and regional presence.
Strong Market Position & Advantage: Rising placements on ENR Top 500 and specialty lists indicate strengthening competitive standing across multidisciplinary services. Feedback suggests recognition across national rankings and awards bolsters credibility in the AEC sector.
Spruce Street Consulting LLC is a premier political and non-profit compliance and operations consulting firm. Their mission is to provide organizations with expertise in financial compliance requirements and operations support, allowing them to focus on successful programming. The firm is dedicated to supporting progressive causes and candidates nationwide, serving as a full-service resource for political and nonprofit entities.
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...
Crossroads Hospice & Palliative Care is a national leader in hospice and palliative care, dedicated to helping patients and families find comfort for chronic and life-limiting illnesses. The organization focuses on improving the quality of life through compassionate, innovative end-of-life services and attentive hands-on care, supporting patients' physical, emotional, and spiritual needs in home and facility settings across multiple states.
STV offers professional services for the infrastructure that powers our lives. We are experts in transportation systems, building design, water systems and other essential infrastructure. Harnessing national expertise to solve local challenges, STV works with public and private sector clients to make communities better – now and for the future. Our expertise includes architectural, engineering, planning, environmental, program and construction...
STV's Top Stability & Growth Strengths
Strong Market Position & Advantage: Industry benchmarks and trade sources place STV among ENR’s Top 50 overall and near the top of transportation categories, with marquee roles on complex rail and aviation programs. Its national scale (3,300+ employees, 65+ offices) and portfolio of flagship projects reinforce a prominent standing in U.S. infrastructure-focused services.
Market Expansion: Recent acquisitions (e.g., AEI, MEHTA, Cypress) and multiple new/expanded offices across high-growth U.S. regions indicate deliberate geographic and service-line expansion. A 2023–2025 strategic plan prioritizes growth into sectors such as highways, bridges, aviation, water, education, healthcare, and justice.
Investor Backing & Capital Strength: Ownership by The Pritzker Organization and over $500M in private financing arranged in 2024 support ongoing expansion, acquisitions, and operational investments. This capital access underpins large-program pursuits and scaling efforts.
Emser Tile is a leading designer, marketer, and producer of tile and natural stone products, established in 1968 and headquartered in Los Angeles. They offer a wide range of ceramic, porcelain, glass, and natural stone products for residential and commercial applications, known for their commitment to quality, innovative design, and sustainability. The company operates extensive distribution centers to serve customers...
Emser Tile's Top Stability & Growth Strengths
Product Line Growth: Feedback suggests the company is consistently launching new collections, including luxury lines and expanded porcelain offerings, indicating active expansion of its portfolio.
Strong Market Position & Advantage: Emser is often positioned alongside top U.S. ceramic tile leaders and maintains extensive distribution and partnerships across more than 20 countries, signaling a robust competitive footing.
Market Expansion: The opening of new galleries, growth to dozens of branches nationwide, and increased presence on platforms like Material Bank reflect continued efforts to broaden market reach.
Bohlin Cywinski Jackson is a United States–based architectural practice founded in 1965. Operating through five studios across the country, the firm specializes in architecture, planning, and interior design. They are dedicated to designing places that inspire connection and wonder, with a portfolio ranging from modest houses to large academic, civic, cultural, commercial, and corporate projects, often emphasizing environmental sensitivity and...
Little Flower Manor is a non-profit nursing home offering skilled nursing, short-term rehabilitation, and long-term care options in a 127-bed facility.
Green Tree School & Services provides specialized education, behavioral support, and clinical services for children and adolescents with autism, emotional and behavioral needs, developmental disabilities, and neurological impairments.
AAMCO Transmissions is a prominent chain and the world's largest franchisor specializing in transmission repair, diagnostic services, and comprehensive automotive maintenance.
IMPaCT Care provides a network of trained Community Health Workers (CHWs) and cloud-based workflow tools to health organizations, focusing on addressing health inequity and social determinants of health.
Phoenix Senior Living is a regional owner, operator, and developer of senior living communities across the Southeastern United States. The company manages independent living, assisted living, memory care and skilled nursing communities, operating dozens of locations and focusing on resident services, operational quality, and growth through acquisitions and development.
Project Management Institute (PMI) is a global professional organization for project, program, and portfolio management. It supports current and aspiring project professionals through knowledge platforms, resources, career-long learning, networking, and professional certifications. PMI describes itself as a leading authority on project success and a for-purpose brand dedicated to helping people and organizations lead projects and transformations effectively and responsibly around...
ERM (Environmental Resources Management) is a global sustainability consultancy that helps organizations navigate environmental, social, and governance (ESG) challenges. ERM provides advisory and technical services across sectors—energy, mining, infrastructure, manufacturing and finance—supporting decarbonization, regulatory compliance, risk management, and sustainability strategy and implementation through technical, engineering and strategic consulting worldwide.
Constellation Health Services is a family-owned, privately held post-acute healthcare provider. The company delivers community-based home health, hospice, palliative care, private duty, and school- and in-home ABA/therapy services across multiple states. They are committed to providing a high-quality patient experience and clinical excellence through a comprehensive continuum of care centered on the community setting.
