Colin Mills

Director, Audit

Colin is a Director in Audit based in Gravita’s Oxford office, with a specialist focus on charity audits, including extensive experience working with Oxford Colleges. Alongside his charity portfolio, he also manages audits for commercial organisations and pension schemes, bringing a balanced understanding of different reporting environments.

As a Responsible Individual, Colin is approved to take responsibility for the full audit process and sign audit reports, ensuring work is delivered with clarity, consistency and technical confidence. He also undertakes independent examinations for charity accounts.

Having spent many years with the firm, he has built long-standing client relationships grounded in trust, communication and a hands-on approach.

Outside work, Colin serves as Treasurer Trustee of the Cogges Heritage Trust, the charity responsible for Cogges Manor Farm in Witney.

Services

Sectors

Education Charity

Locations

Gravita charity bulletin – Q1 2026

21st January 2026
 
We’re pleased to introduce the Gravita charity bulletin – a new audit and accounting quarterly update for trustees, finance leaders and senior teams across the charity sector. Charities are operating in an increasingly difficult environment. Regulatory change, public...
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Why the FRS 102 amendments mark a tipping point in the evolution from bookkeeping led finance to fully outsourced finance

21st January 2026
Written by: Tanveer Mahtab-Ahmed
For many UK SMEs, the finance operating model has remained consistent for years. A trusted bookkeeper maintains accurate records, VAT returns are submitted on time, and the accountant steps in at year‑end to prepare statutory...
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How the FCA cryptocurrency gateway will work in practice

19th January 2026
Written by: Daniel Howarth
The Financial Conduct Authority (FCA) has published new detail on how its cryptocurrency gateway will operate under the UK’s forthcoming cryptoasset regulatory regime. The FCA has provided important clarity for cryptoasset firms preparing for authorisation...
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How modern outsourced accounting really works

19th January 2026
Written by: Tanveer Mahtab-Ahmed
Outsourced accounting has evolved significantly over the past decade. Cloud platforms, real time data and secure digital access mean finance teams no longer need to sit in the same office to work closely together. Yet...
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What you need to know about registering for payrolling benefits

19th January 2026
Written by: Rebecca Aimey
As we approach the start of a new tax year, it’s a great opportunity to review how employee benefits are managed on your payroll. One option many employers are choosing is payrolling benefits, a government...
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VAT

Packaging, hot food and VAT. What the Morrisons case means for food retailers and takeaway businesses

16th January 2026
Written by: David Gage
HMRC has once again demonstrated its willingness to challenge the VAT treatment of hot takeaway food, as illustrated by the recent Tribunal decision in WM Morrison Supermarkets Ltd v HMRC. For food retailers and takeaway...
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