Skip to content
  • HOME
  • GROWTH INDEX
    GROWTH INDEX 2025
    INTERPATH RETAIL INDEX 2024
    GROWTH INDEX 2024
    GROWTH INDEX 2023
    GROWTH INDEX 2022
  • INSIGHTS
  • GET INVOLVED
  • ABOUT US
  • CONTACT US

Insights

Unsurprisingly, here at Growth Index we talk about growth a lot. But growth isn’t just about profit- personal growth is key, too, and we’re always learning.  Here, we share with you what we’re learning each day about what works (and what doesn’t) in the UK business landscape, revealing insights from the experts at Growth Index.

Loading...
Interview

Interview with Simon Mellin

In 2019, Simon Mellin launched The Modern Milkman as a technology platform. In some respects it closely resembled the milk round of old, even using the same bottling machines, which have seen little to no innovation in decades. But unlike
Read More
Article

Retail on the rebound

Our inaugural Retail Index tells a story of exceptional companies outperforming a sluggish market that has seen shoppers prioritise essentials like groceries during the cost-of-living crisis. Yet their impressive average 61.9% two-year CAGR indicates much more than the slow recovery
Read More
Profile

Interview with Jessica Hanley

Jessica Hanley started homeware brand Piglet in Bed in her mum’s Sussex shed in 2017, selling quality, sustainable linen bedding with a scruffy chic. Instagrammers loved it, helping the business capitalise on the pandemic-era DTC boom, with sales surging sixfold
Read More
Interview

Interview with Freddy Ward

After a brief test period, Wild secured £500,000 in angel investor funding and launched in early 2020 with a refillable, plastic-free product. They achieved rapid growth, hitting revenues of £12.5 million the following year, and £46.9 million by the end
Read More
Profile

Winner Profile – Castore

Whatever Castore is doing, it’s doing it right. By 2021, the business was turning over £17 million. The following year, it hit £48 million. Last year, it was £115 million. Equally impressively, it has achieved this rampant growth alongside healthy
Read More
Article

Profitability is back

Growth Index companies can operate in any sector. They can be B2B or B2C, growing organically or via M&A. What unites them is their ability to transform their top line, putting them on a trajectory to be major players of
Read More
Article

A veteran’s guide to fundraising

When growing a business, money helps. Unfortunately, there’s less of it around these days. As interest rates rose around the world, global venture capital deal-value halved between 2021 and 2023 according to Pitchbook, while exit value was the lowest since
Read More
Profile

Winner Profile – InstaVolt

In 2016, it was clear that electric vehicles (EVs) were the future of mobility. But given the rate of adoption – barely 37,000 plug-in cars were sold in the UK that year – you’d have been forgiven for thinking they
Read More
Article

Green growth and shifting sectors

This is the year that Growth Index went green. Three of the top ten fastest-growing companies in the UK participate in the clean and renewable energy market, offering electric vehicle charging (InstaVolt)
Read More
Article

The rise of conscious capitalism

Social and environmental impact is firmly on the corporate agenda, but the proliferation of purpose statements and ESG brochures doesn’t necessarily mean that companies are being run for the greater good
Read More
Charlotte Harrington
Interview

Interview with Charlotte Harrington

Sustainable beverage business Belu was doing well by doing good long before it was fashionable. A social enterprise launched in 2007, its purpose is to change the way the world sees water. It’s donated all of its profits since 2011
Read More
Shaun Doak
Interview

Interview with Shaun Doak

React Group Plc isn’t your typical cleaning company. Alongside conventional services like the regular commercial cleaning of windows, facilities and facades, it looks after what you might call ‘extreme’ cases: ad-hoc specialist cleaning of crime scenes, railway fatalities and biohazards.
Read More
Rachel Heather & Tracy Egan
Interview

Rachel Heather & Tracy Egan

Over half of British women wear size 16 or above, and the figure is rising. Yet for years plus-sized fashion was largely an afterthought. “Curvier women want the same look and contemporary style as everyone else, but they’ve just felt
Read More
Interview

How DG International plans to become a billion pound business

Consumers are demanding fast deliveries and businesses are looking for cost-effective, efficient transport options to customers worldwide. One company that provides these solutions is UK based DG International, a logistics firm that specialises in logistics and supply chain management.
Read More
Article

What we can learn from the UKs top 10 retailers

In popular imagination, the fastest way to grow a business is with an app or algorithm. Yet it is retail, not tech, that dominated this year's Growth Index, the definitive list of the UK’s 100 fastest growing companies.
Read More
Interview

How Grow Group is leading the way in the medical cannabis industry

Grow Group is a leading distributor and medical cannabis brand in the UK, specialising in cannabis-based medicines to mostly ease chronic pain or help treat conditions such as epilepsy.
Read More
Report

Retail 25

Check out the Retail 25 report, a curated compilation that highlights the phenomenal achievements and industry insights of the top UK retail performers.
Read More
Interview

How Fashion UK aims to treble its business

Fashion UK isn’t your average fashion business. Licensing is at the heart of the Leicester-based company, which makes and designs clothing featuring popular characters from the likes of brands such as Disney, Warner Bros, Netflix and Lego.
Read More
Interview

How next-day delivery ensured success for customer-focused Mattress Online

Mattress Online started in December 2003, appropriately from co-founder Steve Adams’ bedroom. Starting with just five products, it took two weeks for the company to sell its first mattress, and another two weeks to make another. Sales fortunately picked up
Read More
Interview

Online fashion retailer Sosandar aims for global growth as sales surge

It’s been a challenging couple of years for retailers, with the cost of living crisis impacting sales and increasing costs for businesses. But one company managing to weather the crisis is Sosandar, an online fashion firm targeting the over-30s.
Read More
Interview

Interview with Fairfax & Favor’s Felix Favor Parker

Appropriately enough for a brand that began with leather footwear, Fairfax & Favor was thoroughly bootstrapped. Founders Marcus Fairfax Fountaine and Felix Favor Parker funded the Norfolk-based business through its early days by working summer jobs in the local pub
Read More
Interview

Interview with Beauty Pie’s Marcia Kilgore

Beauty Pie is a buyer’s club for luxury make up, without the markup. To illustrate the concept, founder Marcia Kilgore holds up a lipstick sample she received from a supplier.
Read More
Article

Growing pains: How to stay agile as you scale

GX leaders offer their advice for retaining entrepreneurial spirit. No company stays young forever. With success comes size, and size inevitably slows you down: eventually, today’s disruptors will themselves be disrupted.
Read More
Article

The UK needsmore than one growth engine

The companies on this list are achieving exceptional things and deserve our warmest congratulations. Wouldn’t it be amazing if we had more of them? For too long, we’ve been like a plane running on one engine, with opportunity limited for
Read More
Article

How to make purpose practical

If you ask CEOs what their company’s purpose is, very few will say to make money. Most will reel off their mission - the thing they aim for that, if satisfied, will produce a financial return.
Read More
Article

Money talks

There was a slight drop this year in the number of GX companies that had received venture capital or private equity funding, from 47 to 41.
Read More
Article

A tale of two sectors

It’s been a bumper year for retail, with 26 companies making our top 100. That’s a significant improvement even on last year, when there were 21 (including those previously defined as fashion companies).
Read More
Interview

How Huel aims to be the world’s leading plant-based brand

The idea behind Huel is simple. The company sells a powder product designed to replace meals, and since launching in 2015 has attracted legions of fans worldwide who refer to themselves as Hueligans and swear by its benefits.
Read More
Article

What we can learn from the UK’s 10 fastest retailers

In popular imagination, the fastest way to grow a business is with an app or algorithm. Yet it is retail, not tech, that dominates the definitive list of the UK’s 100 fastest growing companies.
Read More
Interview

Winner Interview – Au Vodka

The chemistry swots among you may find it fitting that this year’s fastest-growing company is named after the chemical symbol for every winner’s favourite element, gold. GX winner AU Vodka has dazzled the drinks industry with its signature gold bottles
Read More
Interview

Lior Shiff, CEO, Tripledot Studios

Companies that monetised games through in-app purchases, like the business I co-founded in 2007, Product Madness, used to look down on companies that monetised through advertising, because the revenue per player was much lower.
Read More
Interview

Bambino Mio: Environmental concerns over single-use disposable nappies means reusable alternatives are becoming mainstream

Bambino Mio aims to make reusable nappies mainstream and cut the thousands of single-use plastic nappies sent to landfill
Read More
Interview

Activate Group: A hobby that very quickly grew and grew

Mark Wilcox lasted just two weeks in retirement before he got the idea for Activate, a technology-led vehicle insurance and accident management company that now employs 750 and has annual sales of almost £200m.
Read More
Interview

Cycle Pharma: Developing treatments to suit everyday life

Unlike many other pharma companies that focus their efforts on launching new treatments, Cycle’s aim is to improve drugs that already exist.
Read More
Mansoor Hamayun
Interview

Bboxx: Ending energy poverty and creating a fairer and cleaner future for everyone

Recent years have seen a rise in purpose-led businesses, with missions going beyond making a profit. One of these businesses is Bboxx, a solar energy firm dedicated to ending energy poverty.
Read More
Interview

Storal Learning: Striving for improvement in early years education

Founded in 2016, Storal Learning is a community of day nurseries born from a belief in the power of early years education. The company is growing steadily through acquisition: with five new sites in the last 12 months, it has
Read More
Paysend-CEO-Ronald-Millar-scaled
Interview

Paysend: Boosting financial inclusion is a key mission

“I’m always making mistakes. But it’s about what you learn from those mistakes and how you take a business forward that matters,” says Ronnie Miller, a serial tech entrepreneur who is currently on his sixth business, Paysend.
Read More
Do you need a degree to become a high-growth CEO?​
Article

Do you need a degree to become a high-growth CEO?

There’s a clear correlation between education and career success, which is why the vast majority of FTSE CEOs have a degree. The proportion among GX leaders is notably less, with over three in ten attending the famed university of life.
Read More
blog

Why Growth Index CEOs are more diverse than FTSE CEOs

Sex discrimination has been banned in the workplace since at least 1975, so it’s a matter of great disappointment that today barely 5% of the UK’s public companies are run by women.
Read More
Interview

Sosandar: We can be one of the UK’s biggest women’s fashion brands

Ali Hall and Julie Lavington ran a magazine before launching online fashion brand Sosandar. Thanks to their flair for marketing and focus on careful planning in the face of rapid change, the AIM-listed business is now among the UK’s fastest
Read More
Article

Which sectors grew during Covid?

Not all of our fastest growing companies were rooted in science and technology. The fastest-growing sector among Growth Index companies was in fact Arts & Media.
Read More
Article

Good growth: Business with purpose

Purpose has assumed a central place in business thinking over the past five years. Gone, at least, are the days when CEOs could comfortably defend Milton Friedman’s famous position that their business exists only to make a profit for its
Read More
blog

Why growth matters

It’s not always popular to say you believe in growth. Environmental and social activists have rightly called into question the desirability of pursuing economic growth at all costs, while others have pointed out that raising GDP is a poor policy
Read More
When will we see levelling up?
blog

When will we see levelling up?

The premise behind the government’s levelling up agenda is that, for far too long, economic opportunity and prosperity have been concentrated in London and the South East, leaving other regions to languish.
Read More
Anglo-Iranian entrepreneur Ali Parsa
Interview

Babylon Health: Scratching the surface of a $10tn industry

Babylon, which was founded in 2013 by Anglo-Iranian entrepreneur Ali Parsa, now has a presence in 15 countries. It helped a patient every six seconds in 2021, and is one of the world’s fastest-growing digital healthcare firms.
Read More
Panni Morshedi, Beauty Pie’s chief operating officer.
Interview

Beauty Pie: The pandemic forced us to grow quickly

Beauty Pie, the online beauty membership service founded by the serial entrepreneur behind Soap & Glory and FitFlop, saw turnover increase 140% during the Covid-19 pandemic as Britons quickly adapted to shopping online for makeup and skin products.
Read More
Methodology
Article blog

Methodology

Companies are ranked by compound annual growth of revenue over two years. To be included, companies must be registered in the UK – however, their ultimate holding company may be offshore.
Read More
jaremy-annis-ripjar
Interview

Interview – Jeremy Annis

The company, which helps governments and organisations automate the detection and investigation of threats from criminal activity such as money laundering, has been on a growth spurt since raising £28m in September 2020 in a funding round led by US-based
Read More
SUSIE-MA
Conversation

A conversation with…​Susie Ma

What started as a tiny market stall business in 2004, when 15-year-old entrepreneur Susie Ma wanted to help her mum with the bills, has grown to become a multimillion-pound skincare brand.
Read More
Profile

Winner Profile – The Ralph

Shailen Jasani's veterinary referral hospital, The Ralph, focuses on three key elements - core values, culture and mission - which have helped propel it to become Britain's fastest-growing company over the past two years.
Read More
Article

Why Growth Matters

For most businesses, ‘growth’ is a default part of their strategy. But what do we mean by ‘growth’, and how do we grow sustainably in a model rooted in enlightened self-interest which we can all believe in?
Read More
Article

Growth Stories

Learning from the best is the fast-track to accelerated growth in your own business. We speak to the innovators and business leaders listed in Growth Index to hear how they achieved such rapid growth, and what lessons can be learned.
Read More
Article

Good Growth

Business is no longer about simply making a profit for shareholders. We examine what the Growth Index reveals about the pursuit of deeper social or environmental missions reverberating across the business world, with people putting money where their mouth is.
Read More
Article

Leadership Lessons

What do a veterinary hospital, cybersecurity specialist, brewer and building company have in common? You can find out in the leadership lessons breakdown, in which we highlight some of the best leadership success stories from Growth Index.
Read More

DOWNLOAD the Growth Index 2024 report

DOWNLOAD NOW
Linkedin Twitter

© 2022 – 2025 GXPME Limited. All rights reserved.

  • Privacy Policy
  • Cookie Policy (UK)
  • Privacy Policy
  • Cookie Policy (UK)
Growth Index
Manage Cookie Consent
To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behaviour or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
Manage options Manage services Manage {vendor_count} vendors Read more about these purposes
View preferences
{title} {title} {title}

Enter your details to sign up to Insights

  • Home
  • Growth Index
    • Growth Index 2025
    • Interpath Retail Index 2024
    • Growth Index 2024
    • Growth Index 2023
    • Growth Index 2022
  • Insights
  • Get Involved
  • About us
  • Contact
Growth Index

2025

Out Now

Discover the UK’s top 100 fastest-growing companies.
SIGN UP TO DOWNLOAD

Nominate yourself for Growth Index 2024

APPLY NOW