RankCompanyLocationYear endAnnual sales rise over 3 yearsLatest sales £000sStaffFoundedComment
1GymsharkOnline activewear retailerWorcestershireJul 16193.27%*12,841532012Its 18 “athletic ambassadors” have 20m followers on social media
2LoveholidaysOnline travel agencyCentral LondonOct 15183.90%14,5482232012Investors include Lastminute.com co-founder Brent Hoberman and Better Capital founder Jon Moulton
3Chemist-4-U.comOnline pharmacyLancashireSep 15172.66%*16,940482011Is one of Royal Mail's largest customers in the northwest, sending up to 16,000 parcels a day
4Heck! FoodGourmet sausage producerNorth YorkshireJul 16170.13%*11,228642004Named after a line in the 1983 movie Risky Business, starring Tom Cruise
5Carfinance247Vehicle finance providerManchesterJun 16161.01%*25,0273202006Says £25m worth of loans are completed each month through its website
6AerFinAircraft and spares servicesSouth WalesDec 15158.34%†15,332402010Customers include airlines such as Lufthansa, Air France and Philippine Airlines
7AcroAircraft seat manufacturerCrawleyDec 15156.55%*33,4081082007Manufactures 3,000 seats a month for more than 30 clients
8ESM PowerElectrical engineerScunthorpeApr 16146.43%*12,433412002Sponsors Scunthorpe Rugby Club, where its managing director used to play
9GreenTech DistributionMobile phone recycler and distributorHigh WycombeFeb 16143.84%64,246252010Provides an in-house repair service in more than 40 Samsung stores across Europe
10EnnismoreHospitality developer and operatorCentral LondonDec 15141.64%10,511392012Spending £500m to roll out its Hoxton hotel brand internationally
11Globe LocumsHealthcare recruitment consultancyCentral LondonMay 16140.92%*29,560442011More than 70% of its candidates come from outside the UK
12Pink BoutiqueOnline fashion retailerNewcastle upon TyneFeb 16138.84%*7,709442012Ships 2,000 garments a day from its warehouse in Newcastle
13Transflex Vehicle RentalVehicle rental providerStockton-on-TeesDec 15134.39%11,504312011Has grown from 50 vehicles five years ago to a fleet of 3,300
14TropicSkincare manufacturerCroydonJun 16131.32%*7,541552011In its Surrey “beauty kitchen”, “chefs” create natural products sold by 5,000 ambassadors
15Wool WarehouseOnline yarn retailerLeamington SpaMay 16127.94%*5,097402012Its largest customer group is made up of 24- to 30-year-olds
16Victorian PlumbingOnline bathroom retailerMerseysideSep 15116.63%42,2641112001Was originally set up as a sideline to provide income for the founder's father
17Athena PTSElectrical engineerCumbriaJul 16115.47%*6,760522011Won £3m of new contracts in January alone
18Green Frog ConnectUtilities connections providerBirminghamMar 16114.21%20,557102012Its connections at solar farms and power stations provide reserve power to the National Grid
19Honest BurgersBurger restaurant operatorCentral LondonJan 16110.69%†10,1482032011Has expanded to 16 restaurants across London, including in Peckham, Tooting and Camden
20Lindy BopVintage fashion designerManchesterOct 15108.83%10,054542010Its vintage-inspired womenswear is especially popular in Scandinavia
21A-2 SeaSubsea telecoms supplierHampshireSep 15106.43%*8,328171996Has worked on projects in countries such as Colombia, Panama, Iraq and Taiwan
22JDXBusiness consultancyCentral LondonMar 16105.16%14,7782072012Co-founder set up financial consultancy DCG, which he expanded to 450 staff in four years
23Enra GroupSpecialist loan providerBorehamwoodDec 15101.72%30,928602009Its West One Loans subsidiary lent almost £400m in 2015
24GtechAppliance manufacturerWorcestershireNov 1595.97%65,983812001Has sold more than 22m domestic appliances in 19 countries
25PureGymGym operatorLeedsDec 1595.22%125,2019602008Olympic cyclist Sir Chris Hoy joined as an investor and adviser last year
26HYPE.Fashion retailerLeicesterApr 1694.44%*14,981512011Fans of the HYPE. brand include the American rappers Jay-Z and 50 Cent
27The City Pub CompanyPub operatorCentral LondonDec 1592.27%*20,3122832011Differentiates itself from other chain pubs by allowing its managers to choose suppliers
28Northvale ConstructionConstruction contractorNorthwest LondonMar 1691.97%*10,398242008Recently completed two separate £2m school projects in London
29Evolution MoneySecured loans providerManchesterDec 1590.11%10,9941022011Its head of credit risk was “Dr Stats” on Strictly Come Dancing
30Day WebsterHealthcare recruitment consultancyNortheast LondonMar 1689.59%*89,6721752009Its founders started the business with £122,000 of savings
31Pixel InspirationDigital signage agencyAltrinchamDec 1589.40%6,703602004Its screens for Argos can advertise umbrellas when it is raining and barbecues when it is hot
32New World Trading CompanyPub and restaurant operatorCheshireMar 1688.97%30,1866002011Won a Guinness World Record for largest gin-tasting event, with 796 participants in 9 venues
334mostCredit risk analytics consultancyCentral LondonSep 1688.41%*12,075992011Founder Mark Sisson began his career selling mainframe computers to banks
34AndusiaWaste exporterHertfordMar 1687.95%17,447112012Exports 300,000 tons of waste each year
35Mobile Phones DirectOnline mobile phone retailerBerkshireMar 1685.15%*79,253962011Sells the latest mobile phone handsets from manufacturers such as Apple, Samsung, and Sony
36BTL PropertyResidential design and build contractorSouthwest LondonApr 1682.48%*11,82235200225% of its staff served in the military
37Torchlight GroupCounter threat adviserSwindonJun 1679.27%*10,128282011Works with governments, corporations and private clients on complex security challenges
38BULK POWDERSSports nutrition brandColchesterDec 1578.49%*15,345752006Originally an import business, it now exports to 12 countries
39Professor PuzzlePuzzle retailerSouthwest LondonJun 1676.87%*8,002342002Founder started the business in 1999, aged 23 and with only £250
40TomorrowDesigner brands wholesalerEast LondonDec 1576.52%*17,155412008Promotes new fashion brands at its 20,000 sq ft showroom in Paris during fashion weeks
41AlphaSightsBusiness information providerCentral LondonDec 1573.60%48,6172692008Clients include nine of the top 10 global private equity firms
42High Street TVTV shopping channelHarrogateDec 1572.15%74,6401122008Top-selling products are the NutriBullet blender and the XHose expanding hosepipe
43SkinnydipFashion accessories retailerNorthwest LondonDec 1570.97%*6,637502011Its fast fashion website attracts more than a million visitors a month
44ShowcaseFurniture dealerEssexMar 1670.27%*24,262342007Has worked on events such as the World Retail Congress in Dubai
45Net World SportsOnline sports goods retailerWrexhamSep 1669.93%*11,867622009Sells 100,000 football goals a year around the world
46Alliance SurgicalHealthcare providerBirminghamMar 1669.93%14,766602005Has treated 25,000 patients in 2016, including the England football team and Team GB Olympians
47Send For HelpLone-worker protection providerSouthwest LondonMar 1669.69%6,101542010Its personal security devices protect more than 100,000 lone workers
48HotchaChinese takeawayBristolMar 1669.56%*6,2611602011Has built an infrastructure network to support up to 100 outlets nationwide
49The Office GroupShared workspace providerCentral LondonDec 1567.74%43,1601432003Its 1.1m sq ft of office space is home to the likes of Facebook, Coca-Cola and Dropbox
50Lily’s KitchenPet food manufacturerNorthwest LondonMar 1666.94%*14,540482008Named after the founder's border terrier
51LSE Retail GroupOnline lighting retailerManchesterDec 1566.67%14,181612010Fulfilled more than 750,000 customer orders so far in 2016
52M&M ContractorsInfrastructure services providerBelfastOct 1566.09%*11,830461980Installed a 4,600km subsea fibre-optic cable between the UK and the US
53Aquinna HomesHousebuilderBuckinghamshireDec 1564.23%18,833172005Focusing on high specification, its houses are among the most expensive in town
54RHAHeadphone designerGlasgowMar 1664.10%*6,164422011Apple sells this company's headphones through its stores and website
55ShinerSports goods distributorBristolApr 1663.63%*38,226911936Runs its own skateboard and skating news channel online
56Inside Ideas GroupMarketing services providerCentral LondonJun 1663.51%*65,6267002003Its customers include BMW, Adidas, Starbucks and Virgin Media
57Giggling SquidRestaurant operatorGuildfordMar 1663.46%11,8402802008Its first restaurant was in the basement of a fisherman's cottage in Brighton
58Hadrian TechnologyCCTV systems providerSunderlandJul 1663.30%*5,035111999Its cameras help guard treasures loaned to South Shields Museum by the British Museum
59Readie ConstructionConstruction contractorRomfordMar 1663.28%*91,579812008Its website allows users to view live webcams of its current projects
60Opus Professional Services GroupIT recruitment consultancyBristolDec 1562.27%*39,7361422008Staff benefits include the complimentary use of a Tuscan villa
61LintbellsPet nutritional supplements makerHertfordshireDec 1562.09%*7,204412006Works with UK universities to develop its pet supplements, which are sold in 15 countries
62Your World Recruitment GroupHealthcare recruitment consultancyCentral LondonDec 1561.79%98,2321742005Places more than 2,300 healthcare staff a day
63PureHealthy food chainCentral LondonDec 1561.70%10,0371932009Whitbread bought a 49% stake in the business for £6.8m in May
64BrewDogBreweryAberdeenshireDec 1561.32%44,7304032007Has 53,000 investors worldwide after a crowdfunding appeal to support US expansion
65Diamond LogisticsLogistics services providerGuildfordMay 1660.50%*6,496161992Transported 650 tons of goods a month in 2016
66Aptus UtilitiesUtilities connections providerBoltonMar 1660.49%19,8481382010In July it connected 400 homes in Merseyside to the gas, electricity and water mains
67MissguidedFashion retailerManchesterMar 1659.75%*117,3363492009Its new four-storey HQ in Manchester features a light tunnel to help staff take better selfies
68Xercise4LessGym operatorLeedsJul 1659.73%*28,7536002006Offers its members 200 free workout classes per month
69RFS GroupManagement consultancySwindonDec 1559.36%39,601502005Its new office features a breakout area designed as an Alpine ski lodge
70Bill’s RestaurantsRestaurant operatorCentral LondonAug 1658.90%*110,5472,9092004Sources its own-label products from independent suppliers
71G&PQuality management consultancyBirminghamDec 1558.56%*47,6031,2231994Launched operations in China in 2014 when Jaguar Land Rover started manufacturing there
72Prospero GroupRecruitment consultancyCentral LondonJun 1658.36%23,486972000Sources teachers for UK schools from English-speaking countries around the world
73Audley RetirementRetirement village operatorStainesDec 1558.16%43,5003011991Its luxury retirement homes sell for an average of £500,000
74GrenadeSports nutrition developerCoventryDec 1558.14%*8,563162009American special forces are among this sports nutrition company's customers
75Boss CabinsCabin manufacturerLincolnshireMar 1657.68%*25,224872010Heimdall, its new lighting tower company, is named after the Norse god of light
76Home Grown HotelsBoutique hotel operatorHampshireDec 1557.38%14,2082982011Its menu can change daily, depending on what the “kitchen gardener” suggests
77Lioncourt HomesHousebuilder and developerWorcestershireMar 1657.36%40,524542006Its management team has more than 100 years' experience in the housebuilding industry
78AnescoEnergy efficiency consultancyReadingMar 1657.08%213,6701112008Says it was the first British firm to install a commercial-scale battery charged by solar power
79MaylimExternal works contractorCentral LondonDec 1556.90%26,552312002Sourced two cannon for Arsenal's Emirates stadium as part of external works and landscaping
80END.Online menswear retailerNewcastle upon TyneMar 1656.86%37,9311462005Half of its sales are generated overseas including in France and Germany
81JB StructuresBuilding contractorWatfordMar 1656.51%22,717142004Its high profile projects include working with Arsenal FC to develop the club's training facilities
82Lundy ProjectsSpecialist railway constructorStockportSep 1556.27%25,618231976Its robot-powered steelwork facility operates 24 hours a day, seven days a week
83WatchfinderPre-owned watch retailerKentMar 1655.49%*60,7771082002Sells a watch every 30 minutes, worth an average of £5,000 each
84MorganstoneConstruction contractorSouth WalesMar 1655.22%18,7951102008Is a supplier on the £850m South West Wales Framework for public sector development
85Radnor House GroupIndependent schools operatorSouthwest LondonAug 1554.88%7,2341122010Runs a mini Dragons' Den for Year 9 students who may be budding entrepreneurs
86Service Care SolutionsRecruitment consultancyPrestonMar 1654.64%35,634732005Founder set up the company in his back bedroom in 2005
87Third BridgeResearch services providerCentral LondonDec 1554.63%32,2523062007Third Bridge is named after a bridge in Botswana, the last before reaching uncharted territory
88InstantprintOnline printerRotherhamApr 1654.41%19,8981982009Prints 450,000 business cards a day, using 9,000 sheets of A2 card
89Rosa’s Thai CaféThai restaurant chainCentral LondonMar 1653.87%*5,5021402008Rosa's was the name of the former greasy spoon cafe on the site of its first restaurant
90Panther WarehousingLogistics services providerNorthamptonDec 1553.40%27,3722501989Managing director Colin McCarthy used to play as a striker for Nottingham Forest FC
91CRUISE.co.ukCruise travel agentWorcestershireNov 1553.18%36,3281791984Its community-focused website allows first-time cruise passengers to find tips and join forums
92CennoxBanking automation services providerSurreyDec 1552.24%30,9874662004Supplies some of the largest global banks with cash machines
93LoafFurniture retailerCentral LondonMar 1651.14%26,9011002008Launched a range of sofas in August in collaboration with John Lewis
94T.O.M. Vehicle RentalCommercial vehicle hireNorth LanarkshireMar 1650.67%*213,2315751991Will supply 7,500 rentals a year to Scottish Power under a recent deal
95World FirstInternational payments providerCentral LondonDec 1550.48%†61,5623622004Processed more than £10bn of currency transactions worldwide last year
96LoungersCafé and bar operatorBristolApr 1649.99%*68,4751,7932002Opened 15 new Lounges and six Cosy Clubs in the past year
97Pet BrandsPet accessory manufacturerWest YorkshireJan 1649.94%*10,271422009Its festive pet products include Christmas stockings for dogs and cats
98MAATS TechMarine engineering consultancyWinchesterSep 1549.84%38,711351989Is working with Swiss company ABB on the world’s most advanced cable-laying vessel
99Engage PartnersRecruitment consultancyWatfordDec 1549.66%32,4041182009Its "iday" recruitment events enable schools to meet hundreds of job candidates in one day
100Tangle TeezerHair products supplierSouth LondonMar 1649.63%*28,565422005Famous fans of its detangling hair brush include Victoria Beckham and Cara Delevingne

* Supplied by Company  † Annualised figure