About Us
Originally established in 2001 as Mercer Colson by Bill Colson. Today, we’re Grant Colson, spearheaded by his son George Colson.

Our family approach is key to how we work and we strive to bring the personal touch to all our clients.

Our highly-skilled financial advisers and support team work closely with you to achieve your financial goals and aspirations. We value building long-lasting relationships and regularly review your financial plans to keep you on track.

And for peace of mind, we’re appointed representatives of The Openwork Partnership – one of the UK’s largest financial advice networks, authorised and regulated by the FCA. This also gives us access to Professional Development opportunities to keep developing our skills and services and making your financial journey a smooth one.

Stephen Sexton
Technical Manager
0203 657 3649
Steve joined Grant Colson in March 2015 following a successful career within the Financial Services industry. He has previously been a Financial Adviser and more recently has worked in the tax and technical support department of a large national wealth management company.

Steve takes an analytical approach to his work in order to ensure that our clients receive the best level of service for their needs. Steve holds the Diploma in Financial Services and is currently studying to achieve Chartered status. 

Steve lives in Berkshire with his wife and three children, and in his spare time, enjoys photography.
Tamsyn Whiting
Mortgage Adviser
0203 667 5921
Tamsyn joined the Openwork Partnership Network as a fully qualified Mortgage & Protection advisor in 2022 and has a wealth of experience helping clients get the finance and insurances required for their new homes.

Tamsyn loves to help her clients and families accomplish their goals and tailoring a solution to meet their needs.

Tamsyn lives in Gloucestershire and enjoys walks in the Cotswolds with her husband, two children and dog - Benny the Bernedoodle.’
George Colson
Financial Planner
0203 6675920
Since starting his career in financial services in 2013, George enjoys taking the time to get to know his clients in order to understand their unique circumstances, as well as their short, medium and long-term goals for the future.

His approach helps his clients make informed financial decisions to suit their individual needs, helping them make sense of what matters. 

Outside of work, George is passionate about conservation and the restoration of our natural environments, and feels most at home outdoors.  


Ventura Frappaolo
Wealth Planning Administrator
0203 657 3650
Ventura joined Grant Colson in July 2022. After graduating with a first in Economic and Finance in 2018, Ventura gained further experience working in various roles within financial services.

These roles have enabled Ventura to grasp a broader view of the financial services industry and a greater knowledge of different products. Along with his role at Grant Colson, Ventura is also studying towards a Diploma in regulated financial planning. 

Ventura lives in London with family. He is an avid fragrance collector and also loves to play tennis.
Natasha Puri
Practice MANAGER
0203 917 1199
Natasha started her career in wealth management in 2015, gaining international experience by working in Toronto, Miami, and London.Her professional repertoire encompasses not only administrative and technical support but also a proven track record in team management, a role in which she excels at ensuring the smooth functioning of day-to-day operations. She has been instrumental in project delivery, leveraging her data insights and innovative strategic thinking to propose recommendations that enhance efficiency and drive team effectiveness.

With her passion for developing relationships and years of customer service experience, she has the skills and ability to adapt to changing customer needs to provide each client with a personable and high-quality experience. Natasha is a solid team player with an ongoing positive demeanour and proven skills in establishing client rapport. She is motivated to maintain customer satisfaction and contribute to the company's success.

When not at work, Natasha enjoys travelling, going on countryside hikes, and driving with her husband. She also loves music and enjoys going to concerts and playing the piano and trumpet in her free time.

Katy Cocks
Marketing Administrator
0203 657 3650
Having joined Grant Colson Financial Planning in 2023, Katy maintains client relationships and enjoys the organizational elements of the office workload, providing assistance when needed.

‌Katy lives in Suffolk with her two daughters and dog. In her spare time Katy likes to sing opera.
" George was incredibly helpful when all banks said I wasn’t able to buy alone. He gave me options I didn’t know I had"
Anon