Cost accounting companies focus on providing accurate financial insights that help businesses understand their costs and improve profitability. This sector includes firms that specialize in tax advisory, financial auditing, compliance, and management consulting. As organizations increasingly seek to streamline operations and enhance financial performance, the demand for skilled cost accounting services is rising. Companies leverage technology and data analytics to deliver precise solutions, reflecting the industry’s evolution. Additionally, regulatory changes are driving companies to refine their cost accounting practices, ensuring compliance while maximizing operational efficiency in a competitive market.


The listed cost accounting firms vary in size, from small consultancies to large organizations, reflecting different areas of specialization. With origins dating from 1910 to 2007, these firms are headquartered across major cosmopolitan cities including New York, Chicago, and Paris. Services offered range from traditional auditing to advanced cost management strategies, highlighting their adaptability to client needs. Staffing levels vary as well, with employee counts ranging from fewer than ten to over ten thousand, ensuring a breadth of experience and expertise across the board.


Continue reading to explore the top cost accounting companies.


Top 22 Cost Accounting Companies


1. Rea

  • Website: reacpa.com
  • Ownership type: Private
  • Headquarters: New Philadelphia, Ohio, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1938
  • Headcount: 201-500
  • LinkedIn: rea-cpa

Rea & Associates, based in New Philadelphia, Ohio, is a consulting firm that has been operational since 1938. The company offers a wide array of professional services, including accounting, audit, and human resources consulting. They cater to businesses across various sectors such as construction, healthcare, and manufacturing. Rea is particularly noted for its cost segregation services, which help clients maximize tax benefits by reclassifying property assets. The firm is committed to helping organizations manage their financial operations effectively and ensure compliance with regulations. With a workforce of over 500 employees, Rea has established a strong presence in the industry, providing insights and resources to its clients through various channels, including blogs, newsletters, and podcasts.


2. Freed Maxick CPAs, P.C.


Freed Maxick CPAs, P.C. is a prominent accounting and consulting firm based in Buffalo, New York, with additional locations in Rochester and Batavia. Founded in 1958, the firm has grown to employ approximately 338 professionals, offering a wide array of services that include accounting, tax, and advisory solutions tailored to meet the needs of businesses and organizations across various sectors. Freed Maxick is dedicated to helping clients enhance profitability, ensure compliance, and improve operational efficiency. Their service offerings span assurance services, consulting, and tax services, with a strong emphasis on cost accounting practices. The firm serves a diverse clientele, including industries such as healthcare, manufacturing, and financial institutions, demonstrating their capability to address complex cost management challenges. Freed Maxick also engages in technology consulting, risk consulting, and business intelligence, further solidifying their role as a comprehensive service provider in the accounting field.


3. Bdo Usa, LLP

  • Website: bdo.com
  • Ownership type: Private
  • Headquarters: Chicago, Illinois, United States (USA)
  • Founded year: 1910
  • Headcount: 5001-10000
  • LinkedIn: bdo-usa-llp

BDO USA, LLP, founded in 1910 and headquartered in Chicago, Illinois, is a prominent accounting and consulting firm. The company provides a comprehensive suite of professional services, including audit, tax, and advisory solutions. BDO serves a variety of industries, assisting businesses and organizations in managing financial complexities and enhancing operational efficiency. Their services extend to accounting advisory and outsourcing, which are essential for effective cost management. BDO is also involved in sustainability and ESG initiatives, reflecting a commitment to responsible business practices. With over 10,000 employees, BDO USA operates with a focus on delivering exceptional service and sustainable outcomes for its clients.


4. Buchprufer Consultants LLP


Buchprufer Consultants LLP, founded in 2007 and based in Kozhikode, Kerala, India, is an accounting and consulting firm that provides a comprehensive range of financial services. The company specializes in bookkeeping, auditing, tax planning, and data analytics, catering to businesses across multiple sectors. With a workforce of around 202 professionals, Buchprufer focuses on outsourcing solutions that enable clients to concentrate on their core activities while ensuring effective financial management. Their services are designed to optimize financial operations and maintain compliance with regulatory standards. Buchprufer has built a strong presence in the industry, serving clients not only in India but also in international markets such as the UAE, Malta, Cyprus, and Canada. Their commitment to quality is reflected in their ISO 9001:2015 certification, which underscores their dedication to maintaining high standards in service delivery.


5. Goyal Goyal & Associates

  • Website: goyalgoyal.com
  • Ownership type: Private
  • Headquarters: New Delhi, Delhi, India
  • Employee distribution: India 100%
  • Founded year: 2002
  • Headcount: 1-10
  • LinkedIn: costingfirm

Goyal Goyal & Associates, founded in 2002, is an accounting firm based in New Delhi, India. The firm specializes in cost and management accounting services, providing a comprehensive suite of offerings that includes audit, taxation, and business advisory services. With a focus on optimizing financial operations, Goyal Goyal & Associates serves a variety of sectors, including automotive, healthcare, and telecommunications. Their approach emphasizes client satisfaction, confidentiality, and professionalism, which are the core principles guiding their operations. Over the years, the firm has built a reputation for delivering tailored solutions that address the unique accounting needs of their clients, contributing to their growth and operational efficiency.


6. CWC India | Evaluex Management Services Pvt. Ltd.

  • Website: cwcindia.in
  • Ownership type: Private
  • Headquarters: New Delhi, Delhi, India
  • Employee distribution: India 100%
  • Founded year: 2001
  • Headcount: 51-200
  • LinkedIn: chandra-wadhwa-co

CWC India | Evaluex Management Services Pvt. Ltd., also known as Chandra Wadhwa & Co., is a consulting firm based in New Delhi, India. Founded in 2001, the firm specializes in cost management and assurance services, providing a comprehensive suite of offerings that include accounting compliance, tax advisory, IT consulting, and management consulting. With a team of seasoned professionals, CWC India assists businesses in navigating complex financial regulations and optimizing their operational costs. The firm serves a variety of industries, including automobile, healthcare, energy, and finance, showcasing its capability to adapt to different market needs. CWC India is also empanelled with several regulatory bodies, which underscores its credibility and commitment to maintaining high standards in its services. The firm operates with a workforce of around 52 employees, ensuring personalized and proactive service to its clients.


7. Groupe Conseil Union


Groupe Conseil Union, established in 1965 and based in Paris, is a family-owned consulting firm that specializes in audit, accounting, and financial consulting services. The firm caters to a wide range of clients, including businesses in technology, insurance, real estate, and various industrial sectors. With a team of experienced professionals, Groupe Conseil Union focuses on helping clients manage their financial obligations, ensure compliance with regulations, and improve overall performance through customized solutions. Their services include external accounting, fiscal advice, and internal control, making them a key player in the financial consulting industry. The firm has built a reputation for its commitment to quality and client satisfaction, serving both local and international entities. They have not reported any funding, indicating a stable operational model based on their long-standing presence in the market.


8. Kreston International


Kreston International, based in London, is an international accounting network that has been operational since 1971. The firm provides a comprehensive range of professional services, including accountancy, audit, tax, and advisory services. With a network of 830 offices across 114 countries, Kreston facilitates collaboration among its member firms, enabling them to serve clients effectively in various sectors such as healthcare, technology, and manufacturing. The firm is committed to helping businesses manage financial complexities and compliance requirements. Kreston has also been recognized in the industry, with member firms winning awards at the 2024 Accounting Excellence Awards, highlighting their active engagement and reputation in the accounting field.


9. Redwitz, Inc.

  • Website: redwitz.com
  • Ownership type: Family Owned
  • Headquarters: Irvine, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1975
  • Headcount: 51-200
  • LinkedIn: redwitzinc

Redwitz, Inc. is an accounting and financial consulting firm based in Irvine, California, with additional offices in San Diego and San Jose. Founded in 1975, the company has built a reputation for providing a wide range of services tailored to meet the needs of individuals, closely-held businesses, nonprofits, and various professional sectors. Their offerings include tax planning, financial statement services, advisory services, and outsourced CFO solutions. Redwitz has a team of experienced professionals, including Certified Public Accountants (CPAs) and a Certified Fraud Examiner (CFE), who work collaboratively to help clients navigate complex financial regulations and optimize their financial strategies. The firm is particularly noted for its expertise in industries such as construction, real estate, and nonprofit organizations, where they provide specialized services that address the unique financial challenges these sectors face. Redwitz's commitment to personalized service and proactive financial management has positioned them as a trusted partner for their clients.


10. Van Ree Accountants


Van Ree Accountants, founded in 1966, is a family-owned professional services firm based in Leersum, Utrecht, Netherlands. With a workforce of approximately 228 employees, the company operates multiple locations across the Netherlands. They specialize in accountancy, finance consultancy, and HR consultancy, catering to a wide range of clients, including small and medium-sized enterprises (SMEs), non-profit organizations, and educational institutions. Van Ree Accountants is known for its commitment to personal relationships and open communication, ensuring that they meet the unique needs of each client. Their services include financial management, compliance, and tailored financial solutions, which are essential components of effective cost accounting. The firm has established itself as a reliable partner for organizations seeking to navigate the complexities of financial regulations and management.


11. Financial Resources & Projects (FR&P)


Financial Resources & Projects (FR&P) is a private financial consulting firm based in Machelen, Flanders, Belgium, founded in 2002. With a workforce of approximately 51-200 employees, FR&P focuses on delivering expert financial services and project management support tailored to the unique needs of businesses across various industries. The firm specializes in statutory accounting, compliance, and management accounting, ensuring that clients meet their financial obligations while optimizing their financial performance. FR&P operates exclusively within Belgium, providing a localized approach to financial consulting. Their team is composed of both junior and senior experts, allowing them to offer a blend of fresh perspectives and seasoned insights. The company prides itself on its customer service, emphasizing a close partnership with clients to understand their specific financial challenges and goals. This client-centric approach is complemented by their commitment to maintaining professional secrecy and adhering to legal guidelines, which is crucial in the financial consulting industry.


12. Baker Tilly Kenya

  • Website: bakertilly.ke
  • Ownership type: Family Owned
  • Headquarters: Nairobi, Nairobi, Kenya
  • Employee distribution: Kenya 100%
  • Founded year: 1983
  • Headcount: 201-500
  • LinkedIn: baker-tilly-kenya

Baker Tilly Kenya, officially known as Baker Tilly Merali's, is an accounting and consulting firm based in Nairobi, Kenya. Founded in 1983, the firm has built a robust presence in the East African market, providing a wide array of professional services that include audit, tax, accounting, and business advisory. With a commitment to helping clients navigate financial complexities, Baker Tilly Kenya serves a variety of sectors, including agriculture, healthcare, manufacturing, and financial services. Their approach emphasizes personalized support, ensuring that clients receive tailored solutions that align with their strategic goals. The firm is also a member of Baker Tilly International, a global network of independent accounting and business advisory firms, which enhances their ability to deliver expert services. Over the years, Baker Tilly Kenya has received several accolades, including recognition for their audit and tax services, highlighting their expertise and commitment to quality in the industry.


13. Harding, Shymanski & Company, P.S.C.

  • Website: hsccpa.com
  • Ownership type: Family Owned
  • Headquarters: Evansville, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1975
  • Headcount: 51-200
  • LinkedIn: harding-shymanski-%26-company-psc

Harding, Shymanski & Company, P.S.C. is an accounting and consulting firm based in Evansville, Indiana, founded in 1975. With a workforce of approximately 191 employees, the firm offers a wide range of professional services, including accounting, auditing, tax consulting, and medical billing. They cater to businesses and organizations across various sectors, providing customized solutions aimed at enhancing financial management and compliance. The firm has developed a reputation for its advisory services, which extend beyond traditional accounting, helping clients navigate complex financial landscapes. Their involvement in industries such as healthcare, construction, and manufacturing showcases their adaptability and expertise in addressing specific financial needs. Additionally, Harding, Shymanski has been recognized as an IPA Best of the Best Firm, underscoring their commitment to excellence in the accounting profession.


14. Anchin

  • Website: anchin.com
  • Ownership type: Family Owned
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 80%, India 20%
  • Founded year: 1923
  • Headcount: 501-1000
  • LinkedIn: anchin-block-%26-anchin-llp

Anchin, Block & Anchin LLP is an accounting and advisory firm based in New York City, with additional offices in Long Island and Florida. Founded in 1923, Anchin has built a reputation for providing comprehensive financial services to both businesses and individuals. The firm specializes in various areas, including tax advisory, client accounting, and business risk advisory. Anchin's team is dedicated to helping clients navigate the complexities of financial management, offering strategic planning and expert guidance tailored to their unique needs. They serve a wide array of industries, such as construction, healthcare, financial services, and not-for-profit organizations. Anchin is also committed to supporting minority and women-owned businesses through their MWBE Services Group, which provides targeted financial advice and resources. Their focus on cost segregation and tax credits further highlights their expertise in cost accounting, making them a relevant player in this field.


15. DMCL Chartered Professional Accountants

  • Website: dmcl.ca
  • Ownership type: Private
  • Headquarters: Vancouver, British Columbia, Canada
  • Employee distribution: Canada 99%, Other 1%
  • Founded year: 1984
  • Headcount: 201-500
  • LinkedIn: dmclcpallp

DMCL Chartered Professional Accountants, established in 1984 and based in Vancouver, British Columbia, is a professional services firm that specializes in accounting, assurance, and advisory services. With a workforce of approximately 284 employees, DMCL caters to a wide range of clients, including private enterprises, public companies, non-profit organizations, and individuals. The firm is dedicated to providing customized solutions to complex financial challenges, ensuring that clients receive the support they need for effective financial management and compliance. DMCL's expertise spans various industries, including agriculture, construction, entertainment, financial services, manufacturing, mining, professional services, real estate, restaurant and food services, technology, and transportation. Their commitment to quality service is reflected in their membership with the Canadian Public Accountability Board (CPAB) and the U.S. Public Company Accounting Oversight Board (PCAOB), which underscores their adherence to rigorous standards in financial reporting and assurance. DMCL also emphasizes the importance of strategic insights and industry knowledge, offering clients valuable advice to navigate the complexities of their financial environments.


16. Hooshyar Momayez Audit Firm


Hooshyar Momayez Audit Firm, established in 1999, is a private auditing firm based in Tehran, Iran. The firm specializes in auditing and financial consulting services, catering to a wide range of clients, including major corporations and banks. Their offerings include the preparation of financial statements, operational auditing, and training programs aimed at improving financial management practices. Over the years, Hooshyar Momayez has built a reputation for its commitment to quality and professionalism, becoming a trusted partner for many organizations. The firm has been recognized as a member of the Iranian Association of Certified Public Accountants and has maintained a strong standing with regulatory bodies, indicating its compliance with industry standards. With a workforce of around 39 employees, the firm is well-equipped to handle complex financial challenges and provide tailored solutions to its clients.


17. Kreston Colombia

  • Website: kreston.com.co
  • Ownership type: Private
  • Headquarters: Bogota, Bogota, Colombia
  • Employee distribution: Colombia 100%
  • Founded year: 1989
  • Headcount: 51-200
  • LinkedIn: krestoncolombia

Kreston Colombia, officially known as KRESTON RM S.A., is a consulting and auditing firm based in Bogotá, Colombia. Founded in 1989, the company has grown to employ around 168 professionals, providing a comprehensive suite of services that includes financial audits, tax consulting, and business process outsourcing. Kreston Colombia serves a variety of businesses and organizations, offering expert guidance in financial management and compliance. Their portfolio features specialized audits, including cost audits, which are crucial for businesses looking to optimize their financial performance. The firm operates through multiple regional offices across Colombia, ensuring they can cater to clients nationwide. Kreston Colombia is part of the Kreston Global network, which enhances their ability to deliver quality services with an international perspective. Their focus on quality, integrity, and timely reporting positions them as a reliable partner for clients seeking to navigate the complexities of financial management.


18. Demers Beaulne LLP

  • Website: demersbeaulne.com
  • Ownership type: Private
  • Headquarters: Montreal, Quebec, Canada
  • Employee distribution: Canada 99%
  • Founded year: 1979
  • Headcount: 201-500
  • LinkedIn: demers-beaulne

Demers Beaulne LLP is a Montreal-based accounting and consulting firm founded in 1979. With a workforce of approximately 296 employees, the firm specializes in a comprehensive range of financial, accounting, and tax services. They cater to a variety of clients, including businesses and non-profit organizations, across multiple industries such as real estate, healthcare, and technology. Their services include audit, tax compliance, financial management, and strategic planning, all aimed at enhancing operational efficiency. Demers Beaulne is also affiliated with a global network, which allows them to leverage international expertise for their clients. Their commitment to innovation and sustainability is evident in their recent certification as a B Corp, reflecting their dedication to social and environmental responsibility.


19. HLB International

  • Website: hlb.global
  • Ownership type: Corporate
  • Headquarters: London, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 11%, Mexico 8%, Indonesia 6%, Other 76%
  • Latest funding: March 2025
  • Founded year: 1969
  • Headcount: 10001+
  • LinkedIn: hlb-international

HLB International, founded in 1969 and headquartered in London, is a global network of independent advisory and accounting firms. With a workforce of over 10,000 professionals, HLB provides a comprehensive suite of services that includes audit, tax, and business advisory. The firm serves a wide array of industries, such as agriculture, healthcare, and technology, which allows them to tailor their services to meet the specific needs of their clients. HLB's commitment to helping organizations navigate financial complexities and maintain regulatory compliance is evident in their extensive service offerings, which also include specialized areas like ESG advisory and forensic investigations. Their global reach, with a presence in numerous countries, enhances their ability to support clients in various markets, making them a relevant player in the cost accounting sector.


20. Rödl & Partner USA

  • Website: roedl.us
  • Ownership type: Private
  • Headquarters: Atlanta, Georgia, United States (USA)
  • Employee distribution: United States (USA) 97%, Other 3%
  • Founded year: 1976
  • Headcount: 201-500
  • LinkedIn: roedlandpartnerusa

Rödl & Partner USA, founded in 1976 and based in Atlanta, Georgia, is a professional services firm that specializes in accounting, auditing, tax consulting, and business consulting. The firm primarily serves foreign-owned businesses operating in the United States, providing tailored solutions to help navigate the complexities of U.S. tax regulations and compliance. With a workforce of approximately 393 employees, Rödl & Partner USA has established a strong presence across multiple U.S. cities, including Birmingham, Charlotte, Chicago, and New York. Their services include assurance and attest services, business process outsourcing, and transaction services, all designed to meet the unique needs of their clients. The firm prides itself on delivering high-quality professional services through a team of experienced professionals, ensuring that clients receive the support necessary to thrive in the U.S. market.


21. Diwanji & Co.

  • Website: diwanjico.com
  • Ownership type: Private
  • Headquarters: Vadodara, Gujarat, India
  • Employee distribution: India 100%
  • Founded year: 1966
  • Headcount: 51-200
  • LinkedIn: diwanji-co

Diwanji & Co. is a consulting firm based in Vadodara, Gujarat, India, founded in 1966. The firm specializes in cost and management accounting services, offering a comprehensive suite of solutions that includes costing services, statutory compliance, financial advisory, and taxation services. With a team of experienced professionals, Diwanji & Co. has built a reputation for assisting businesses in optimizing their financial management and ensuring compliance with regulatory requirements. Their services are tailored to meet the specific needs of various industries, helping clients understand their cost structures and improve profitability. The firm has worked with a range of clients, including Fortune 500 companies, showcasing their capability to handle complex financial scenarios. Diwanji & Co. aims to empower businesses by providing strategic insights and robust financial frameworks that support growth and sustainability.


22. Mazars in Switzerland

  • Website: mazars.ch
  • Ownership type: Private
  • Headquarters: Geneva, Geneva, Switzerland
  • Founded year: 1975
  • Headcount: 201-500
  • LinkedIn: mazars-switzerland

Mazars in Switzerland is an audit and consulting firm established in 1975, with a workforce of approximately 386 employees. The company offers a wide range of professional services, including audit, tax, and advisory, tailored to meet the needs of large corporations, private businesses, and public organizations. Their expertise lies in helping clients navigate complex financial regulations and enhance operational efficiency. Mazars operates across multiple industries, such as financial services, healthcare, and technology, providing insights and solutions that address specific client challenges. The firm is also committed to corporate social responsibility and has initiatives focused on sustainability and diversity. Their recent recognition in tax and fiduciary firm rankings further underscores their active role in the industry, showcasing their capabilities in cost accounting and financial advisory services.



Cost Accounting Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
ReaNew Philadelphia, Ohio, United States (USA)201-5001938Private
Freed Maxick CPAs, P.C.Buffalo, New York, United States (USA)201-5001958Private
Bdo Usa, LLPChicago, Illinois, United States (USA)5001-100001910Private
Buchprufer Consultants LLPKozhikode, Kerala, India51-2002007Private
Goyal Goyal & AssociatesNew Delhi, Delhi, India1-102002Private
CWC India | Evaluex Management Services Pvt. Ltd.New Delhi, Delhi, India51-2002001Private
Groupe Conseil UnionParis, Île-De-France, France51-2001965Family Owned
Kreston InternationalLondon, England, United Kingdom (UK)10001+1971Private
Redwitz, Inc.Irvine, California, United States (USA)51-2001975Family Owned
Van Ree AccountantsLeersum, Utrecht, Netherlands201-5001966Family Owned
Financial Resources & Projects (FR&P)Machelen, Flanders, Belgium51-2002002Private
Baker Tilly KenyaNairobi, Nairobi, Kenya201-5001983Family Owned
Harding, Shymanski & Company, P.S.C.Evansville, Indiana, United States (USA)51-2001975Family Owned
AnchinNew York, New York, United States (USA)501-10001923Family Owned
DMCL Chartered Professional AccountantsVancouver, British Columbia, Canada201-5001984Private
Hooshyar Momayez Audit FirmTehran, Tehran, Iran201-5001999Private
Kreston ColombiaBogota, Bogota, Colombia51-2001989Private
Demers Beaulne LLPMontreal, Quebec, Canada201-5001979Private
HLB InternationalLondon, England, United Kingdom (UK)10001+1969Corporate
Rödl & Partner USAAtlanta, Georgia, United States (USA)201-5001976Private
Diwanji & Co.Vadodara, Gujarat, India51-2001966Private
Mazars in SwitzerlandGeneva, Geneva, Switzerland201-5001975Private


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