A host of channel firms have been included in the London Stock Exchange's (LSE) 1000 Companies to Inspire Britain report.
The fifth edition of the research highlights the fastest-growing small and medium-sized businesses in the UK, according to the LSE.
Commenting on the report, LSE CEO Nikhil Rathi said: "This report is a significant part of London Stock Exchange Group's broader campaign to support UK high growth companies.
"We are committed to championing British businesses and Britain's dynamic entrepreneurial spirit.
"These dynamic companies are the backbone of our economy, playing an important role in the UK's ability to innovate, export and grow."
Organisations across a number of sectors, with revenues between £6m and £250m, are assessed based on their compound annual growth rate and how they have performed in relation to the sector in which they operate.
LSE does not publish the numbers behind the report, or rank the firms included, but the average year-on-year revenue growth of all the firms included in the report is 70 per cent, it said.
A number of channel firms have made the cut this year.
These include top Amazon Web Services and Microsoft Azure partner Cloudreach, which propelled itself into CRN's Top VARs research last year with revenue of £46m.
Founded in 2009, Cloudreach now has 300 UK employees and 600 worldwide.
Cloudreach's head of Europe Chris Bunch told CRN: "It is always nice to be recognised in things where you have been independently assessed and identified as a company of interest.
"There is a whole host of interested organisations that have been picked out and for those interested in the economic development of the UK, including myself, this is a good list to be part of.
"There is a good spread across the UK, from north to south, and it's nice to see some recognition for people that work hard in smaller companies to provide opportunities and growth for the economy in general."
Bunch added that firm's inclusion demonstrates the traction that the cloud is gaining in commercial sectors.
"The consumer world has probably understood cloud a little longer but we have reached that tipping point in the enterprise world a while ago.
"I think the inclusion of so many technology firms is a reflection of how technology has changed modern business, and the current iterations of concepts like cloud computing are enabling businesses to innovate and deliver services more effectively."
Cloudreach is joined in the report by fellow MSP Connect Managed, which was placed 188th in CRN's ranking of the top 250 UK VARs by revenue last year, after seeing sales jump 39 per cent.
Connect made a double acquisition in January, as it took its first steps into the US market and looked to become the market leader with Amazon's Connect contact centre technology.
Comms specialist Excalibur is also included after continuing its spending spree in January, taking its acquisition total to five in seven years.
Commenting on the firm's inclusion CEO Peter Boucher said: "It's fantastic that Excalibur has been recognised in this report, which focuses on inspiring and successful SMEs.
"Excalibur is a great example of a dynamic business that is continually evolving as market conditions change and technology advances.
"Over 20 years we have moved from mobile phone shops to providing full telecom and IT services, supporting over 4,000 SMEs and organisations.
Also included is £30m-revenue distributor QBS Software, which was acquired by GNR Technology earlier this year.
QBS is a distributor of the likes of Intel and Solarwinds, and also resells software from vendors including Microsoft and Oracle.
Managing director Dave Stevinson told CRN: "It's nice to be recognised when you haven't had to solicit it.
"It has been completed unexpected and it's based on objective, published data.
"If you look at it we're one of the few companies in the channel that has been recognised. It is lovely to be formally recognised and it is pleasing for all the staff and management who have worked hard over the last few years.
"It has gone well since the acquisition. It is just what we wanted; as a company we've been moving more into the software space so this has accelerated our growth."
Two publicly listed channel firms are included in the report: NCC Group and Castleton Technology.
NCC endured a difficult 2017, reporting revenue of £244.5m and an operating loss of £53.4m.
The firm's prospects however showed signs of improving earlier this year, when it announced that H1 revenue was up 7.2 per cent year on year to £118.2m.
Castleton meanwhile currently has a market cap of £66.2m, and is partially owned by channel buy-and-build firm MXC.
In a trading update last month Castleton said it will published its results for the year ending March 2018 in June, with revenue expected to be "not less than" £23.1m - compared to £20.1m last year.
Castleton was one of the best-performing publicly listed channel organisations in the UK last year.
A list of the channel firms included can be found below:
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