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We figured out the best professional companies to work for in California using data on salaries, company financial health, and employee diversity. You can also search for the best professional companies to work for in any other state or city.

Zippia score 4.8
Exponent is an engineering and scientific consulting firm providing solutions to complex problems. The firm has been best known for analyzing accidents and failures to determine their causes, but in recent years it has become more active in assisting clients with human health, environmental, engineering, regulatory and business issues associated with new products or processes to help prevent problems in the future. The Exponent name is recognized for its integrity, objectivity, independence, and professionalism. Their corporate core values drive a commitment to client service that enables us to provide consistently high quality work to clients worldwide. Exponent's multidisciplinary organization of scientists, physicians, engineers, and business consultants brings together more than 90 technical disciplines to address complicated issues facing industry and business today.
Zippia score 4.7
Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the future. Their consulting solutions span critical business problems in technology, business process, analytics, risk, compliance, transactions and internal audit. They are committed to attracting and developing a diverse workforce of professionals that share the common value of collaboration. As an organization, they believe that by teaming together, with each other, and their clients, they can see beyond the surface of changes and problems organizations face in this fast changing world to discover opportunities others might miss and face the future with greater confidence. Their more than 4,500 people serve clients through the network of Protiviti and independently owned Member Firms in more than 70 offices in over 20 countries. They have served over 60% of FORTUNE 1000 companies and 35% of FORTUNE Global 500 companies. Their people and organization have consistently been recognized by FORTUNE and Consulting Magazine as a best company to work for.
Zippia score 4.6
Silicon Valley-based SRI International is one of the world's leading independent research and technology development organizations. Its mission: World-changing solutions to make people safer, healthier, and more productive. Founded by Stanford University as Stanford Research Institute in 1946, SRI became independent in 1970. Perhaps best known for its invention of the computer mouse, interactive computing, and Siri, SRI is responsible for major advances in computing, chemistry and materials, education, energy, health and pharmaceuticals, national defense, robotics, sensing, and more. The nonprofit institute performs sponsored research and development for government agencies, businesses, and foundations. SRI brings its innovations to the marketplace through technology licensing, new products, and spin-off ventures. In 2014, SRI's consolidated revenues were approximately $540 million.
Zippia score 4.5
Robert Half is a professional services company and is the world's first and largest accounting and finance staffing firm. The company was founded by Robert Half in 1948 by providing professional staffing services. Robert Half is also now involved in risk consulting and internal audit services in addition to its human resources consultancy business. The company reported revenues of US$4.2 billion for the fiscal year 2013.
Zippia score 4.5
We provide engineering and design services to change the world's built and natural environments. Learn more about our services, projects and careers.
Zippia score 4.4
Capital Dynamics is a dedicated fund management and investment advisory firm, without any ties to banks, insurers, stockbroking houses or political organisations. Our fund management service comes in two forms. One, individually managed accounts for hi...
Zippia score 4.3
Onsite power generation for the net-zero carbon grid.
Zippia score 4.0
Jusoor is a US 501c3 not-for-profit organization. Jusoor is a group of Syrian expatriates supporting the country's development and helping Syrian youth realize their potential through programs in the fields of education, career development, and global community engagement. Jusoor is also registered as a charity in Canada and the UK.
Zippia score 3.9
Bridgescale Partners is a growth equity and venture capital firm that invests in technology companies. It is based in Menlo Park, California.
Zippia score 3.9
Royse Law Firm is a legal consulting company. It provides transactional tax, business, and corporate law services for high net worth individuals and investment funds in the technology sector as well as more traditional businesses such as hospitality, agri-business, real estate and manufacturing. Additionally, it offers advises on mergers and acquisitions; corporate equity and debt financings; and partnership and joint venture transactions. Royse Law Firm is based in Menlo Park, California.
Zippia score 3.8
Ricoh Innovations, Inc. develops network appliances for document management and workgroup efficiency. The company's network office products operate a convergence of office networks, Internet browser technology, and document management solutions. Its network office appliance, the eCabinet:tm: document management solution deploys thin-server hardware and software technology and captures, files, and retrieves all electronic and paper business documents that flow through an office including email, Web pages, faxes, PC documents, photocopies, scans, and printouts. Ricoh Innovations, Inc. was founded in 1997 and is based in Menlo Park, California.
Zippia score 3.8
rLoop is a new kind of organization, re-defining how people connect, collaborate, and innovate to create a prosperous future for all.
Zippia score 3.7
Nelumbo is commercializing a new platform of structural materials. The company's current focus is on developing improved heat exchangers for the HVAC market. Our ability to improve energy performance and minimize corrosion in a single platform unlocks mass market opportunity with potential for significant carbon emission and energy use reductions worldwide.
Zippia score 3.7
ALICE empowers construction engineering and management professionals with modern AI and Optimization techniques. Its software automatically produces detailed schedules and resource allocations, which accurately estimate the cost and time frame for a project. Users understand the construction process through an interactive visualization, and can quickly tweak or modify a schedule to reflect the shifting realities of the construction cycle. It is born out of research at Stanford by a collaborative effort between experienced construction managers, software engineers, and computational methods specialists. ALICE enhances construction planning and scheduling abilities to help keep crews flowing on any size project. It works directly with 3D BIM and using a simple rule-based system, it explores millions of different schedule sequences and gives teams the power to answer “What If?” scenarios and completely reschedule in just minutes. It was founded in 2013 and is headquartered in Menlo Park, California.
Zippia score 3.7
FoodyDirect is an online marketplace bringing the most delicious food in the country right to the doorstep of your home or office.
Zippia score 3.7
Zippia score 4.9
Latham & Watkins' lawyers, paralegals, and professional staff worldwide comprise a rich mixture of different races, ethnic backgrounds, religions, sexual orientations, cultures, and primary languages. Latham & Watkins' administrative officers are located across the globe and manage the full spectrum of services and operations.
Zippia score 4.9
Davis Polk & Wardwell is a global law firm with world-class practices across the board. For over 160 years, its lawyers have advised industry-leading companies and global financial institutions on their most challenging legal and business matters. Davis Polk ranks among the world's preeminent law firms across the entire range of its practice, which spans such areas as capital markets, mergers and acquisitions, credit, litigation, antitrust, private equity, tax, financial regulation, investment management, insolvency and restructuring, executive compensation, intellectual property, real estate and trusts and estates. Davis Polk (including its associated entities) has over 900 lawyers in offices in New York, Menlo Park, CA, Washington DC, São Paulo, London, Paris, Madrid, Hong Kong, Beijing and Tokyo. Davis Polk's Menlo Park office combines the firm's traditional strengths in transactional, advisory and litigation work with an in-depth understanding of the unique attributes of technology companies. The office serves as the focal point for the firm's global technology practice. The office consists of more than 55 lawyers, including 13 partners and 3 counsel. Its corporate practice emphasizes capital markets, mergers, and acquisitions, corporate governance, IP strategy and counseling, compensation and tax. The company's litigators focuses on intellectual property disputes, as well as a full range of antitrust, securities and commercial matters.
Zippia score 4.9
O'Melveny & Myers LLP is a corporate and securities law firm. The firm's practice areas include mergers and acquisitions, financing, real estate, telecommunications, entertainment and media, litigation, labor and employment, healthcare, class action defense, government regulations, antitrust, trade regulation, international trade, tax and estate planning, white-collar criminal defense, and environmental law and natural resources. It was formerly known as Graves & O'Melveny. O'Melveny & Myers was founded in 1885 and is headquartered in Los Angeles, California. It has over 13 offices in United States, Asia, and Europe.
Zippia score 4.9
Orrick's global Emerging Companies Group provides advice on tactical approaches to companies from incubation to their strategic exit and future growth opportunities. Their lawyers, who work intimately with founders in technology, are experts in the emerging space. Orrick's TOTAL ACCESS Event Series provides entrepreneurs business, tactical and legal education through complimentary breakfast panels and lunch seminars.
Zippia score 4.9
Shearman & Sterling has been advising many of the world's leading corporations and financial institutions, governments and governmental organizations for more than 135 years. They are committed to providing legal advice that is insightful and valuable to their clients.
Zippia score 4.8
Analysis Group is one of the largest international economics consulting firms, with more than 1,000 professionals across 14 offices in North America, Europe, and Asia. Since 1981, we have provided expertise in economics, finance, health care analytics, and strategy to top law firms, Fortune Global 500 companies, and government agencies worldwide. Our internal experts, together with our network of affiliated experts from academia, industry, and government, offer our clients exceptional breadth and depth of expertise.
Zippia score 4.8
Kilpatrick Townsend attorneys are fully engaged in the success of the firm's clients. We deliver results-oriented counsel for corporations at all stages of the growth cycle, from the challenging demands of financial transactions and securities to the disciplines of intellectual property management. A close collaboration between the firm's practice areas ensures that we are well-positioned to serve all of our clients' needs. A fervent focus on client service is the foundation of our success. From hiring multinational, cross-industry, and cross-practice area talent to instilling a commitment to client service in our firm's philosophy and goals, we are able to continue our success as a multinational business law firm. We serve clients around the world from our 17 offices in California, Colorado, District of Columbia, Georgia, New York, North Carolina, Washington, Sweden, Japan and Shanghai. We value our client relationships and are committed to learning and furthering the business, as well as legal goals, of each company we work with. We strive at every level to develop beneficial relationships built on trust and mutual respect. We partner with the senior executives and internal counsel of our corporate clients, integrating and sharing tasks as appropriate. We take pride in the fact that clients who hire us once, typically hire us again. Our success is measured by the results we achieve on behalf of our clients, and we commit ourselves, without reservation, to the overriding objective of client satisfaction.
Zippia score 4.8
Cornerstone Research is a financial, economic, and litigation consulting firm based in the United States. It provides expert testimony and economic and financial analysis to attorneys, corporations and government agencies involved in business litigation. The company works with a broad network of testifying experts, including faculty and industry practitioners that contribute expertise in economics, finance, accounting, and marketing, as well as business acumen and familiarity with the litigation process. Cornerstone Research has more than four hundred fifty staff and offices in Boston, Chicago, Los Angeles, Menlo Park, New York, San Francisco, and Washington.
Zippia score 4.6
We specialize in filling your company's contract, contract-to-hire, or direct hire positions with professional candidates. Our connections - and our candidates - are second to none. We aim to make business personal again. Addison Group's exemplary leadership team has a transformative vision for the staffing industry that has led the organization from humble beginnings to nationwide success, repeatedly winning awards as one of the fastest growing private staffing firms. Addison Group also sets the bar for its workplace environment, and was recently identified as one of Chicago's Top 100 Workplaces (Chicago Tribune), in addition to various industry awards for its exceptional Client and Candidate service. Read more about our Executive Team and CEO, Thomas B. Moran. Addison Group has enjoyed rapid growth since its inception in 1999, when a group of visionary industry leaders in Chicago set out with the simple goal of recruiting the best candidates for the best companies. With the help of its strategic investment partner, Lake Capital, Addison Group has expanded its reach across the country through nine offices and seven core industry sectors, from Administrative to IT.
Zippia score 4.5
HireArt is an online recruitment platform that engages in the pre-screening process for suitable job seekers. It improves the job candidate pre-screening process by creating online interviews that simulate a real job. The candidates are asked to complete tasks that are similar to what they would encounter on the job (e.g., give a presentation, do an excel analysis, give feedback). They record their responses over video or submit text answers and attachments, giving employers higher quality information on which to base hiring decisions. It was founded in 2012 and is headquartered in New York, New York.
Zippia score 4.5
Gensler is a collaborative design firm that has capabilities in design and architecture across 31 practices, including commercial office buildings, professional services, retail, aviation, planning and urban design, entertainment and hospitality, sports stadia, and education facilities. It has 46 offices and 4,500 employees worldwide. Gensler helps clients succeed by focusing on the needs of the people they serve, whether they are employees, customers, sports fans, students, passengers, or guests. The firm also holds practices focusing on brand strategy, environmental graphic design, mission-critical facilities, and has also invested in consulting for real estate workplace and sustainable design. Founded in 1965, Gensler is based in San Francisco, C.A.
Zippia score 4.4
Aerotek is the leading recruitment and staffing agency worldwide. Our staffing solutions are focused on bringing great people and great organizations together.
Zippia score 4.3
Oportun is a fintech company that provides financial services from personal loans to financial resources. The company's mission-based technology-powered approach is designed to be inclusive, affordable, and empowering. It lends money to hardworking, low-to-moderate-income individuals and helps customers move forward in their lives, demonstrate their creditworthiness, and help establish the credit history they need to access new opportunities. Oportun was founded in 2005 and is headquartered in San Carlos, California.
Zippia score 4.3
CyberCoders was founded in 1999 with a single purpose - to bring the best people together with the best organizations. The company soon expanded and hired some of the best recruiters in the country and have branched into all different segments of professional recruiting nationwide. Now, CyberCoders is a nationwide recruiting firm that specializing in locating sales, executive, technical, financial, accounting, engineering, scientific, mortgage, construction and operational positions across all industries.
Zippia score 4.3
To provide exceptional and effective representation to a wide variety of clients, large public corporations and smaller businesses, debtors, creditors committees and trustees, across many industries.
Zippia score 4.2
JBCconnect is a full service creative technology talent agency, bringing exceptional talent from the advertising, media, marketing, public relations, technology and creative industries to the world's most innovative agencies and tech-forward companies. Following their successful New York, San Francisco, Miami, Dallas, Los Angeles, Barcelona and Amsterdam offices, JBCconnect is thrilled to announce their newest office in LONDON!
Zippia score 4.2
Do you work for TAILORED MANAGEMENT and HAVE QUESTIONS? EMPLOYEE PORTAL A TAILORED APPROACH TO NATIONAL RECRUITING & STAFFING Job Seekers Employers Find the Position That Fits Your Career Goals. Passion. Culture. Lifestyle. Future. Search Jobs Welcome ...
Zippia score 4.1
ICONMA is a nationwide consulting firm with corporate headquarters in Troy, MI, providing Professional Staffing and Project Based Services and Solutions for Fortune 1000 clients in a broad range of industries. Core Industries served include: Biotech/Ph...
Zippia score 4.1
Their virtual office spaces provide you with a professional business address, as well as a host of supporting features. You'll have a lobby directory listing, mail forwarding, and a full-service business center. If you happen to be in the neighborhood, you can even rent conference rooms and day offices from Davinci-both of which include a lobby greeter, on-site catering, blazing fast Wi-Fi, and state-of-the-art presentation tools. Davinci's virtual office services help to bolster your business status by giving it the presence it deserves.
Zippia score 4.0
Douglas Parking LLC manages, leases, or owns parking facilities in markets across the United States and offers valet parking, shuttle transportation, and consulting services. They are parking professionals who pride theirselves on the relationships they establish with their clients and landlords through transparency and responsiveness.They build and sustain relationships that go beyond mere business transactions.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Exponent | |
| 2 | Protiviti | |
| 3 | SRI International | |
| 4 | Robert Half | |
| 5 | EXP | |
| 6 | Capital Dynamics | |
| 7 | Mainspring Energy | |
| 8 | Jusoor | |
| 9 | Bridgescale Partners | |
| 10 | Royse Law Firm | |
| 11 | Ricoh Innovations | |
| 12 | rLoop | |
| 13 | Nelumbo | |
| 14 | ALICE Technologies | |
| 15 | FoodyDirect | |
| 16 | White & Lee |