Business & Chartered Tax Advisors

Time to break out of your uncertainty

Certius is a strategic business and tax advisory firm offering practical, client specific business and tax solutions with the aim of bringing more certainty into the lives of businesses and their owners.​

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Chartered Tax Advisors

Working with UK & non-UK resident businesses

Providing Business Certainty

Ian Govier and his team at Certius Proffesional Services who offer tax planning and accountancy services
Trusted Advisors

Years of experience




Country Experience

Our aim, put simply, is to promote growth within your business by providing tailored, impartial, expert advice. In an uncertain world, to help our clients achieve more certainty or to help them to manage uncertainty.

Our Vision

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The increasingly complicated environment of tax and Companies Act compliance can have significant impact on any business. With harsh penalties for non-compliance, businesses can often be overwhelmed by these strict reporting requirements. Our service guarantees flawless compliance, allowing you time to concentrate on matters in which you are the experts.

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All businesses face a myriad of challenges in today’s volatile economic environment. With Certius’ expert knowledge and dynamic approach to business, we can turn these challenges into opportunities. We at Certius have unrivalled experience in both UK and International taxation. Let us provide impartial analysis and strategic insight to your business.

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Some of our reviews

Certius is a firm of Chartered Tax Advisers and Certified Practising Accountants and is a member firm of the Chartered Institute of Taxation and the ICPA.

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  • Rated 5 out of 5 based on 6 Reviews

Ken Norman

Brethertons Solicitors LLP

Working with Ian Govier (MD Certius), it is clear he has expansive technical knowledge and brilliant client relationship skills. He takes the time and trouble to …

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Curtis Williams

Agitate Digital

Ian has been supporting our agency since it’s inception in 2020. He and his team are knowledgeable in their field and professional in their approach. I would high…

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Shaie Selzer


Certius are consummate professionals. They have the intellect and imagination to make working alongside them a great pleasure. In the time we have worked together…

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Matthew Fretten

Frettens LLP

Certius deliver pragmatic, commercial advice to clients in a no-nonsense, results focussed manner. They add value to any transaction and go the extra mile for th…

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The top choice for your tax advice