About B1

B1 Group is a leader in audit services, strategic consulting, IT and business consulting, transactions, valuation, tax, law and business support.

Throughout our 35-year history, we have built a team with unparalleled expertise and market experience, delivering optimal business solutions and addressing complex client needs.

Currently, B1 employs over 4,000 professionals across 11 Russian cities: Moscow, Vladivostok, Yekaterinburg, Kazan, Krasnodar, Novosibirsk, Rostov-on-Don, Samara, St. Petersburg, Tolyatti, and Chelyabinsk.

B1 is a cohesive team of professionals moving toward shared success. We act decisively when opportunities arise, ensuring we stay ahead. Joining our team is like setting off on a journey where all the traffic lights are open — your professional growth becomes maximally efficient.

Market Leadership

B1 Group is Russia's leader in audit and advisory services. We audit major public and private companies and for 11 years in a row we have topped the rating of the best audit firms in Russia according to RAEX*.

We are proud to be recognized as #1 employer among the Big Four and other audit firms in Russia by Changellenge >>* for nine consecutive years.

We also rank among the top 10 out of 200 companies for business students in Russia.

B1 is the largest consulting services provider in Russia.  In 2025, we ranked #1 among consulting groups for tax and legal services and maintained our leadership position in valuation services.  Our team received "Best Advisor" at the Russia M&A Awards (2025) and won 1st place at the Russian Compliance Awards for "Best Comprehensive Compliance Program" and "Most Ethical Company" (2024).

*These awards were received before the rebranding of EY’s Russian practice in 2022.

Our legal and tax practices are highly ranked in Kommersant’s "Leaders of the Legal Services Market – 2025" and hold top positions in the annual "Pravo-300" rating.

International companies also trust our expertise. We support foreign investors entering the Russian market, helping them grow and manage their businesses successfully. The B1 Group maintains ongoing partnerships with investors from China, India, the Middle East, and Turkey.

We play a key role in Russian business circles, collaborating with: the Russian Union of Industrialists and Entrepreneurs, the Association of Russian Banks, the All-Russia Public Organization Business Russia, the Association of European Businesses аnd others.

In 2024, the B1 Group became the General Advisor to the Union of Chinese Entrepreneurs in Russia and the Russian-Asian Union of Industrialists and Entrepreneurs.

Our Clients

We leverage decades of expertise to help clients maintain competitive advantage and market leadership. Our services support business expansion and sustainable growth.

Our clients include leading Russian and international companies across a broad range of industries:

• Energy and Resources
• Financial Services
• Technology, Media and Communications
• Mining and Metals
• Consumer Goods and Life Sciences
• Transport
• Advanced Manufacturing and Mobility
• Real Estate, Hospitality and Construction
• Government and Public Sector
• Private Business

B1 Group service lines

Audit & Assurance

Audit is more than just numbers— it’s a combination of innovation, technology, high ethical standards, and financial expertise. It’s about understanding business fundamentals.

What tasks do our auditors perform?

They review complex financial statements, analyze data, evaluate financial models, and leverage digital audit tools for developing new business solutions.

What tasks do our experts in the field of Forensics and ESG perform?
Our Forensic team investigates corporate fraud and helps build compliance systems, while our ESG group tackles sustainability, climate change, and workplace safety challenges.

This variety of services makes it possible to expand professional expertise and remain recognized practice leaders.

Consulting, Technology & Transactions

Consulting isn’t just advice—it’s a digital transformation, trendsetting, process excellence, and a path to leadership.

What projects are our consultants implementing?
They perform a variety of tasks, from cybersecurity management to strategic business transformation, helping companies save time, manage risks, and improve process efficiency.

The teams create digital solutions, develop and implement business models, manage data, and increase the efficiency of the IT function, creating a competitive advantage in the information technology market.

Tax, Legal & Business Support

Tax isn’t just VAT and customs—it’s about developing tailored solutions for evolving business needs.

What solutions do our tax specialists provide?

They provide end-to-end tax advisory services, spanning corporate taxation, international tax planning, and cross-industry tax project implementation.

For more details, visit our website or follow us on VK and Telegram.