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22 July 2025

Onside Tax Appoints Nicole Third, CA (ICAS), as Head of Tax

We’re delighted to announce the appointment of Nicole Third, CA (ICAS) as Head of Tax at Onside.

Nicole is a Chartered Accountant through the Institute of Chartered Accountants of Scotland (ICAS) and brings a wealth of experience in UK tax advisory for high-growth and tech-driven businesses. Having previously held positions at KPMG and led a specialist tax team at a boutique firm focused on startups, she joins Onside with a proven track record of delivering strategic tax solutions and first-class compliance support.

With Onside’s focus on fast-growing tech startups, Nicole is a fantastic addition to our leadership team. Her expertise strengthens our ability to support ambitious founders and finance teams across key areas of tax strategy and planning.

Nicole comments:

“I'm delighted to be joining such a talented team and look forward to contributing to the firm’s continued success. I'm especially excited to work alongside our clients, supporting them on their growth journeys and helping them navigate an increasingly complex tax landscape.”

Nicole’s Areas of Expertise

  • R&D Tax Relief

Preparing robust, defensible claims that help innovative companies benefit from valuable research and development tax incentives.

  • Employee Share Schemes (EMI / CSOP)

Advising on and supporting compliance with tax-efficient employee equity plans designed to attract and retain top talent.

  • EIS/SEIS Investment Incentives

Navigating the Enterprise Investment Scheme (EIS) and Seed Enterprise Investment Scheme (SEIS) to help investors support your growth.

  • Personal Tax Advisory

Providing strategic advice to founders and executives on personal tax planning, including complex matters such as capital gains, residency, and share disposals.

Enhancing Client Service

Nicole brings a proactive mindset and positive energy to every client engagement. She is highly personable and takes a genuine interest in each client’s goals, making her a perfect fit with Onside’s collaborative and relationship-led approach.

Her focus will be on identifying strategic opportunities and securing positive results through tailored tax planning and advisory services.

Investing in Growth and Innovation

Nicole’s appointment is a key part of our broader vision to continually grow and innovate in the services we offer. As our client base expands and your business grows, it’s vital that we invest in experienced and passionate individuals who can support your evolving needs.

Her insight and leadership will strengthen our ability to stay ahead of tax legislation changes and deliver forward-thinking tax advice that keeps your business a step ahead.

Ryan Snape, Managing Director comments:

"Onside Tax was created to provide first-class UK tax advice as part of a comprehensive one-stop-shop for accounting and advisory services. With Nicole joining the team, we’re continuing to build on that commitment, helping your business thrive through expert, commercially focused tax support."

Connect with Nicole

If you’d like to say hello or have a tax question you’d like to discuss, you can reach Nicole directly:

Email: nicole.third@onsidetax.com

LinkedIn: linkedin.com/in/nicole-third

See how we’ve helped innovative businesses grow through strategic tax planning and financial support: Read our client success stories

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Onside Accounting is a trading name of Onside Accounting Limited which is registered in England & Wales under Company Registration No. 13428300