Core Advisory is a family-owned Chartered Accountancy practice that has been serving clients since 2016. Founded by Mamta and Vijay Sethi, the practice began with a clear vision: to provide trusted, professional, and practical advice tailored to the unique needs of every client. From those early beginnings, we have grown steadily and are proud to now support well over 350 clients across a wide range of industries.
In 2025, the practice welcomed Nish Sethi to the team. Nish brings additional expertise which will expand the breadth of services we offer. Together, we combine deep technical knowledge with a personal, family-driven approach, ensuring that our clients not only receive professional guidance but also feel supported through every stage of their business journey.
At Core Advisory, relationships matter. Our growth has been built on trust, integrity, and long-standing partnerships with the people and businesses we serve.
In 2025, the practice welcomed Nish Sethi to the team. Nish brings additional expertise which will expand the breadth of services we offer. Together, we combine deep technical knowledge with a personal, family-driven approach, ensuring that our clients not only receive professional guidance but also feel supported through every stage of their business journey.
At Core Advisory, relationships matter. Our growth has been built on trust, integrity, and long-standing partnerships with the people and businesses we serve.
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What makes us uniqueWe take time to gain deep understanding of your business and personal challenges and goals
We offer great depth of commercial and technical experience to our clients
We have honest conversations with high integrity
We are approachable and available
From our family to yours
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Why should you choose Core Advisory?
If your current accountant feels more like a checkbox than a business partner, it’s time for a change. At Core Advisory, we go beyond compliance to deliver proactive advice, transparent pricing, and tech-enabled efficiency — all tailored to your industry.
Why Businesses Switch to Core Advisory
• Communication That Works: fast and clear responses to calls and emails and regular check-ins.
• Reliability You Can Trust: no missed deadlines or chasing for updates. Just consistent, professional service.
• Strategic Advice That Moves You Forward: tax planning, cash flow forecasting, and growth strategies. A true partner in your business journey.
• Transparent Pricing, Real Value: with clear scope and deliverables.
• Industry-Specific Expertise: advice tailored to your sector including updates on changing tax laws, grants, and incentives.
• Technology That Saves You Time: integrated with Xero and other cloud platforms. Modern client portals and e-signature workflows.
Why Businesses Switch to Core Advisory
• Communication That Works: fast and clear responses to calls and emails and regular check-ins.
• Reliability You Can Trust: no missed deadlines or chasing for updates. Just consistent, professional service.
• Strategic Advice That Moves You Forward: tax planning, cash flow forecasting, and growth strategies. A true partner in your business journey.
• Transparent Pricing, Real Value: with clear scope and deliverables.
• Industry-Specific Expertise: advice tailored to your sector including updates on changing tax laws, grants, and incentives.
• Technology That Saves You Time: integrated with Xero and other cloud platforms. Modern client portals and e-signature workflows.