Launch of the Thames Valley 250 2025

The Thames Valley 250 is an annual ranking celebrating the top privately-owned businesses in the region listed by annual sales turnover.

Qualifying companies must be independent and headquartered in the Thames Valley region.

The 2025 edition of the Thames Valley 250 is researched and compiled by The Business Magazine and sponsored by law firm Gateley Legal, insurance and benefits brokers Verlingue, accountancy firm Crowe UK, recruitment agency Michael Page and energy and sustainability adviser Inspired PLC

Cumulatively the 250 companies have an annual turnover of £33.5b and the companies on the 2025 ranking create an impressive 144,000 jobs.

All members are invited to enter the nominations for this year’s awards which will recognise outstanding achievements in eight categories. A private networking dinner will be held on September 17th 2025 at Easthampstead Park, Wokingham, to celebrate these achievements.

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Meet the Judges

As a team which has grown in Reading and does a lot of business across the Thames Valley, Gateley Legal is proud to sponsor the TV250 as it is an opportunity to celebrate the diversity and entrepreneurship of the region.

Gateley Legal is the legal business at the heart of professional services group Gateley. We employ 1,600 people across 26 offices with our Reading office being at the heart of the business community in the Thames Valley. We offer services spanning corporate and commercial law, banking and restructuring, litigation and dispute resolution, employment and pensions, property, private wealth, and more.  In 2015, we were the first commercial UK law firm to list on the London Stock Exchange’s Alternative Investment Market (AIM).

Verlingue is delighted to sponsor the Thames Valley 250 listing and awards again in 2025. We work with some fantastic businesses in the Thames Valley and welcome the chance to meet further innovative, growing, successful businesses from the region.  Verlingue is all about providing opportunities for growth, career development and empowerment, all of which are evident within the businesses we meet and support in the Thames Valley. We look forward to meeting new contacts and celebrating with this year’s successful award entries.

Verlingue is an independent, family-owned European insurance broker and employee benefits consultancy, with over 1,100 employees across 15 European locations. We are also part of the Worldwide Broker Network (WBN), giving us a truly global reach.

Crowe UK is proud to sponsor the Thames Valley 250 for 2025. As sponsor of both the Innovation and International Business Awards categories, this partnership presents an exciting opportunity to recognise and celebrate the achievements of the region’s top privately-owned businesses. It also underscores our commitment to fostering innovation and driving economic growth within the Thames Valley region.

Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach. We are an independent member of Crowe Global, one of the top 10 accounting networks in the world. With exceptional knowledge of the business environment, our professionals share one commitment, to deliver excellence. We are trusted by thousands of clients for our specialist advice, our ability to make smart decisions and our readiness to provide lasting value.

Michael Page is delighted to sponsor the Thames Valley 250 in 2025 and create new connections with the top-performing businesses and best-in-class employers in our region.

Michael Page has successfully supported employers and job seekers across the Thames Valley for 40 years. Our team of 50+ specialist consultants offer a personalised approach, combining local expertise with a global reach, from our offices in Reading and Oxford covering a variety of specialisms, including Finance, HR, Legal, Sales, Marketing, Business Support, Technology, Life Sciences, and more.

We are passionate about all things talent and are honoured to be sponsoring the Employer of the Year award.

Inspired PLC provides market-leading commercial energy and sustainability advisory services to help our clients achieve net-zero and thrive in the future low carbon global economy. 

We are delighted to support the Thames Valley 250, a celebration of the incredible businesses that make this region so special. As organisations navigate the challenges of building a strong ESG-driven business culture and showcasing their dedication to people, communities, and the environment, Inspired PLC is honoured to celebrate these businesses and recognise the passion and commitment of the people who make the Thames Valley such a dynamic place to do business!

If you would like more information about this or any other rankings programme please contact [email protected] or [email protected]