Who Are We?

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Key Business Consultants is a firm of chartered accountants who have trained in Top50 accountancy practices in the City formed by Gary Green as an SEIS Tax Specialist firm.
Gary trained in a top 50 accountancy practice in the City when he formed Key Business Consultants in 2012 as an SEIS tax specialist firm. He became an FCA in October 2020.

Serving hundreds of clients since inception, we have vast experience as external accountants who can compliance check your business, give efficient tax planning and represent you well with the authorities.

We also have experience as internal management accountants and financial controllers, so we know what it takes to adapt to any system and make it deliver results and value.

Gary’s passion is looking at future trends and advising clients on how to be agile to stay at the front of the market. We have added business system automation services to synchronise websites to applications and on to bookkeeping systems like Xero. We also have a sister company Key Business Marketing offering complimentary startup digital marketing services and roadmaps.

As well as adding over ten staff in the first four years of trading, Gary also started raising three children. Gary likes to keep fit and partakes in at least three Spartan Races each year.


We at Key Business Consultants have a can-do and enthusiastic attitude towards helping our clients overcome their business obstacles. Our ardent and progressive work ethics ensure efficiency and flexibility.


We think that accounting and business consultancy can be simple and understated. We believe that trust is the foundation of every business relationship. Openness and honesty are the building blocks of trust.


Saving time and money for our clients is what we do. This can only be done if we are proactively seeking opportunities and diligently delivering high quality services in a timely manner.

Meet The Team

Kim Tran

Practice & Accounts Manager

Kim is an ACCA finalist aiming to qualify as a chartered accountant. Since joining Key Business Consultants in 2014, Kim has taken over the management of our payroll department and is our Xero champion. Kim is training for certification for SEIS and EIS compliance, delivering advanced assurance, compliance statements and claims forms.

Rahul Goenka

Accounts Manager

A commerce graduate from St. Xavier’s College, Kolkata, Rahul is a chartered accountant (ACA) and company secretary (ACS). He also holds the Certified Fraud Examiner qualification from ACFE. Rahul joined Key Business Consultants in November 2018 and became a manager in October 2020, bringing a wealth of experience working across a range of industries, and completed his XERO Advisor Certification in no time. His responsibilities include managing client relationships and accounting, book-keeping and tax compliance.

Ruth Green

Office Manager

Ruth has been with Key Business Consultants from the start, helping set up the office and support the staff across the service areas. Now that we are growing, Ruth has stepped back into a traditional administration role, responsible for the office, invoicing and credit control as well as raising three children.

Cristina Paniciu

PA to Partner, Accounts Semi-Senior

Cristina started as an accounts trainee in November 2017 before graduating from London Metropolitan University with a BSc (Hons) in banking & finance. Since joining Key Business Consultants, she has become our data base administrator and financial controller, as well as preparing SEIS and EIS tax relief investment schemes for our clients.

Melissa Close

Accounts Senior

Melissa is an AAT qualified accounts technician with over 7 years experience in the industry. Melissa provides bookkeeping, management accounts, credit control and VAT return services for our clients. She is aiming to qualify as a chartered accountant.

Krish Bor

Accounts Semi-Senior

Krish graduated from St Xavier’s College in 2017. After a brief spell as an auditor, he joined Key Business Consultants in May 2018. Since joining us, Krish quickly adapted to the accountancy role and become a Xero Certified Adviser. He supports our clients with bookkeeping and VAT return queries and is also planning to pursue post graduate studies in the field.

Kajal Sharma


A commerce graduate from the University of Kolkata, Kajal joined Key Business Consultants in October 2018 and completed her XERO Advisor Certification. She looks after book-keeping, accounting and VAT for her clients using the XERO and Sage 200 cloud accounting platforms. With her previous experience as a procurement head, Kajal specialises in business analytics and data science, and is planning to continue to study as a post-graduate.

Hardeep Singh

Accounts & Payroll Semi-Senior

Hardeep is a commerce graduate and semi-qualified cost & management accountant, hoping to become a qualified CMA next year. Hardeep had been working as an accountant when he joined Key Business Consultants in February 2019 and became a certified Xero Advisor. He delivers accounting, bookkeeping and VAT services to our clients.

William Kolentine

Practice Administrator

A graduate from St Xavier’s College, Kolkata William joined us in July 2019, bringing his experience as a trainer for a number of software companies. William looks after onboarding clients, maintaining our databases and liaising with Companies House and HMRC. As a Xero Certified Advisor, William also heads up our client Xero training programme. He is currently pursuing an MBA in financial management from the Indian Institute of Social Welfare & Business Management.

Matthew Cook

Marketing Consultant

Matthew graduated from Westminster University in 2012 with a Journalism degree. He has ten years experience as a digital editor, content manager and editorial consultant. He has worked across the media landscape in radio, podcasts, print magazines and SEO optimisation. He has also worked in politics, technology, current affairs, business and finance.

Nidhi Bakshi

Marketing Assistant

Nidhi joins Key Business Consultants through our sister company Key Business Marketing. She is a Marketing Assistant with a bachelor’s degree in Computer Science Engineering from Jaipur National University, Jaipur. She joined us in August 2020 and has proven to be an excellent addition to the team.
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