RankCompanyLocationYear end2-year av intl sales growth pa %International sales £000sTotal sales £000sStaffComment
1NaughtoneFurniture designer and manufacturerNorth YorkshireMay 16279.90%*†4,480*†9,61724Its furniture can be found in the offices of Google, Facebook, Amazon and Nike
2DuronicConsumer products manufacturerRomfordOct 16274.22%*4,315*10,78945Is planning to expand into the US, India and the Middle East
3XceedIT management consultancyCentral LondonNov 15180.93%10,13120,239141Helps global banks migrate their services to the cloud
4October FilmsTV programme makerCentral LondonOct 15175.12%18,36623,32575Opened an office in New York in 2014, helping it attract commissions from US TV networks
5AerFinAircraft and spares servicesCaerphillyDec 15159.17%†9,264†15,33240Last November it delivered a reconditioned Embraer 170 to Austrian airline People’s Viennaline
6QuinshieldIndustrial building manufacturerCarmarthenshireDec 15149.05%3,2188,546101Has made more than 23,000 glass-reinforced products since it was set up in 1993
7Stiltz LiftsLift manufacturerWest MidlandsDec 16145.97%*3,186*8,370100Its freestanding lifts have been retrofitted into homes in more than 20 countries
8Anthesis ConsultingSustainability consultancyOxfordDec 15135.23%3,7436,893100Has made ten acquisitions, including companies in Germany, Sweden, North America and the UAE
9HolovisSpecial effects developerLeicestershireJan 16131.77%8,60310,28661Created a 3D virtual reality planetarium at the American Museum of Natural History in New York
10RHAPersonal audio product designerGlasgowMar 16129.27%*4,789*6,16442Apple sells RHA headphones through its stores and website
11CDEnviroSpecialist waste recyclerCo TyroneDec 15126.84%*3,204*9,40044Installed Australia’s first facility for recycling litter and leaves collected from roads
12AmidoCloud technology consultancyCentral LondonMar 16124.21%*1,688*5,51267Says the reputation of Britain’s ecommerce industry has helped it win international customers
13KiddyliciousChildren's snack manufacturerBuckinghamshireDec 15114.11%*1,279*6,37515Is forecasting sales in China of over $1m this year, making the country its largest overall market
14Bulk PowdersSports nutrition brandColchesterDec 16113.36%*11,029*23,785100Its whey protein and superfood powders are popular with bodybuilders in Europe
15SalecycleMarketing technology developerTyne and WearMar 16112.93%3,6938,956112Tempting customers back to their bookings, it has helped Virgin Atlantic increase online sales by over 5%
16Search LaboratoryOnline marketing agencyLeedsOct 16109.14%*3,439*9,713130Its multilingual staff run search engine marketing campaigns for clients in more than 18 countries
17Divine ChocolateChocolate manufacturerCentral LondonJun 16106.23%*6,322*12,06223Is planning to start exporting to countries such as the UAE and Thailand
18Alba PowerTurbine maintenance servicesAberdeenshireDec 15103.24%18,11021,37567Has customers in 16 countries, including the US and Australia
19HighQCloud collaboration software developerCentral LondonApr 16101.79%*4,080*10,583190Has offices in New York, Amsterdam, Frankfurt, Sydney and Ahmedabad
20PKLCatering equipment providerCheltenhamApr 1699.91%6,81417,93787Provided temporary kitchens at last year’s Rio Olympics
21Wesley CoeMedical device manufacturerCambridgeshireMar 1699.82%1,8655,58663Its products range from dental implants to artificial saliva
22DigiflexConsumer products retailerEssexMar 1699.58%*2,346*5,23724Plans to launch its own international website this year
23Miura SystemsPayment hardware providerHigh WycombeDec 1597.52%20,20924,81944Has sold more than 1m payment devices around the world
24M&M ContractorsInfrastructure services providerBelfastOct 1595.37%*3,254*11,83046Helped to lay 4,600km of subsea fibre-optic cables between the UK and the US
25PrivateFlyOnline private jet hireSt AlbansMay 1695.26%*7,000*14,70027Opened an office in Miami last year to serve the growing US market
26Minerva Research LabsCosmetics supplement developerCentral LondonJul 1693.60%*2,536*6,32437Its collagen liquid food supplements are manufactured in Japan and sold worldwide
27Lawton CommunicationsDigital marketing agencySouthamptonDec 1586.71%4,4868,38592Helped launch camel milk from Australia’s first commercial-grade camel dairy
28Pet BrandsPet accessory manufacturerWest YorkshireJan 1682.34%*4,133*10,27142Its 42,000 sq ft warehouse in Shanghai supplies international customers
29LPW TechnologyMetal powder manufacturerCheshireAug 1582.22%*5,495*7,38036Customers as far afield as Israel and China use its powders in their 3D printing
30FentimansDrinks manufacturerNorthumberlandDec 1580.21%*†5,894*†19,25038Its botanically-brewed drinks are especially popular in the US, Belgium and Austria
31Touch AssociatesEvent communications agencySurreyDec 1579.43%†8,918†14,86143Uses technology and digital content to encourage audience participation at its hi-tech events
32ParasenseRefrigeration monitoring system manufacturerGloucesterDec 1574.65%4,7455,37270Has exported its military-grade leak detection devices to the US since 1996
33CashFlowsPayment services providerCambridgeDec 1573.26%9,35319,909591,500 businesses across the UK and Europe use its technology to accept online payments
34Equator DesignFood packaging consultancyManchesterDec 1573.19%10,39216,924242Designed own-label packaging for Aldi stores in the US and Ireland
35Grant BarnettUmbrella makerHertfordshireDec 1571.74%2,14610,05125Designs and exports fashion-inspired umbrellas, wellies and rain jackets, primarily to Europe
36PaladoneGift wholesalerWest SussexJun 1667.55%*8,607*22,98166Exports novelty gifts to over 70 countries and has offices in Miami and Hong Kong
37LoadhogReturnable packaging makerSheffieldDec 1563.62%3,2977,65369Has an environmentally-friendly glass-cleaning facility in Portugal
38HangerworldHangers and accessories retailerBlackpoolJun 1662.03%*†1,919*†7,16370Sends clothes hangers all over the world from its 60,000 sq ft warehouse in Blackpool
39SimworxSpecial effects developerWest MidlandsDec 1562.02%*4,780*9,62227Installed Colombia’s first 4D cinema, which includes water, wind and motion effects
40GrenadeSports nutrition developerSolihullDec 1561.49%*4,356*8,56316Exports to markets as diverse as Brazil and Iraq
41GymsharkOnline activewear retailerWorcestershireJul 1661.04%*7,523*12,84153Has over 3m social media followers in more than 150 countries
42Cult WinesWine merchantSouthwest LondonAug 1660.37%*5,951*20,40921Manages wine investments for more than 1,700 clients in 60 countries
43Net World SportsOnline sports goods retailerWrexhamSep 1659.88%*6,936*11,86762Sells 100,000 football goals a year, making it the world’s largest supplier
44Welland PowerGenerator manufacturerSpaldingMar 1659.16%10,58712,91122Its generators are sold worldwide through local importers and wholesalers
45Crittall WindowsSteel window manufacturerEssexApr 1657.71%†4,491†14,427179Supplied over 4,000 windows for a new faculty at an Ivy League university
46REPL GroupIT consultancyWarwickshireMar 1656.96%5,11112,43414980% of its international sales are in the US
47Packaging AutomationTray sealing equipment manufacturerKnutsfordSep 1556.86%2,4787,66398Has distributors as far afield as Turkey, Australia, Canada and Colombia
48Lineup SystemsAdvertising technology developerCentral LondonJun 1656.81%*5,677*7,37385Its software comes in 21 languages and has 8,000 users across 33 countries
49Professor PuzzlePuzzle makerCentral LondonJun 1656.65%*3,467*8,00234A street seller in Calcutta taught the founder how to make puzzles, inspiring him to start the business
50VegwareRecyclable packaging manufacturerEdinburghJan 1656.06%2,39011,82051Among its customers across four continents are eco-conscious consumers in Barbados
51Red Paddle CoWatersports equipment designerDevonFeb 1655.89%*5,713*9,60217Says it has an 18% share of the global market for inflatable paddleboards
52Crafter’s CompanionCraft products retailerCo DurhamMar 1655.02%5,98515,26263The founder is a regular guest on home shopping channels in the US
53Language ConnectTranslation services providerCentral LondonSep 1654.89%*1,861*7,07260Its international network of 6,000 freelancers can translate more than 150 languages
54AHCPensions communications consultancyWakefieldMay 1654.21%*1,642*6,59170Has offices in Minneapolis and Melbourne
55Condeco SoftwareWorkplace management softwareCentral LondonMay 1653.58%*10,350*19,470272Secured $30m from Highland Capital Partners last June to fund expansion into the US, Europe and Asia
56Angst ProductionsFilm and TV producerCentral LondonDec 1553.47%10,06113,2017The relaunched US version of Whose Line is it Anyway? is now in its fifth series
57Mini-CamPipeline inspection system manufacturerWarringtonJan 1653.43%*3,442*10,60735Municipal authorities in more than 40 countries use its cameras to check sewer pipes
58Clyde SpaceSatellite manufacturerGlasgowApr 1652.85%*3,995*5,25775Builds six flight-ready mini-satellites in its “cleanroom” each month
59ForegenixData security software developerWiltshireSep 1652.54%*3,509*5,20159Boosted its US sales when it opened a Boston office in 2015
60SideriseBuilding insulation developerBridgendDec 1551.82%1,8269,08680Its fire proofing materials are used to protect 40 high-rise buildings in Riyadh
61TomorrowDesigner brands wholesalerEast LondonDec 1551.82%*14,975*17,15541Its 20,000 sq ft showroom in Paris promotes up-and-coming brands during the city’s fashion weeks
62The Appointment GroupTravel and events agencyWest LondonDec 1551.60%6,50017,774289In December it bought a Sydney-based events company as it expands in the Asia Pacific region
63Elstead LightingLighting manufacturer and distributorHampshireJul 1651.38%*3,866*10,063107Sells more than 2,000 decorative lighting products to customers in 60 countries
64SBDAutomotive technology specialistMilton KeynesMar 1651.05%*5,233*5,86283Is setting up an office in China this year
65AGR AutomationHi-tech machinery developerArbroathDec 1546.02%14,80715,78498Works with multinational pharmaceutical and medical device firms
66HydroSubsea engineering servicesAberdeenshireMar 1645.44%4,24310,566111Launched its new US division in Florida last year
67LA Micro UKIT resellerWindsorApr 1645.09%*9,620*17,13237America and China are two growth markets for this IT supplier
68Baldwin & FrancisSwitchgear manufacturerSheffieldMar 1644.60%9,60511,60168Has designed a ring main to control unmanned wellheads for the Abu Dhabi National Oil Company
69Global InfusionGlobal events catererBuckinghamshireDec 1544.10%8,55617,016130Its chefs created bespoke canapés to help launch the Michelin Guide in Shanghai last year
70Phoenix Business SolutionsSoftware consultancyCentral LondonJul 1543.84%5,60512,66971Its software is used by more than 300 professional services firms globally
71TalleyMedical device manufacturerHampshireOct 1543.49%11,12923,809210Hospitals in Finland, the US and Australia use its medical devices
72LeecMortuary equipment manufacturerNottinghamApr 1643.27%2,4787,22661Makes mortuary and anatomy equipment for hospitals and universities in Russia and Hong Kong
73ASE GlobalCar dealership consultancyManchesterDec 1543.26%12,12618,866249Acquired Austrian software firm EDentity in 2015
74Highlander OutdoorOutdoor equipment supplierLivingstonFeb 1642.80%2,4678,39138Supplies disaster relief and shelter equipment to the United Nations
75XirosMedical device manufacturerLeedsMar 1641.66%10,36910,869104Helped by an extensive distributor network, 95% of its sales are exports
76GlassworksVisual effects agencyCentral LondonSep 1540.86%5,97410,02072Its international clients include Nike, Toyota and Coca-Cola
77McGaviganDecorative plastics manufacturerGlasgowDec 1540.45%18,77619,332324Opened an office in Japan last year to help meet increased demand in Asia
78M Squared LasersLaser designer and manufacturerGlasgowFeb 1639.28%6,5078,53275Its advanced laser systems are used by Nobel prize-winning scientists
79Mec ComContract engineering manufacturerStaffordDec 1539.01%6,71112,165121Its factory in Romania manufactures engineering components for customers in Europe
80A-SafeSafety barrier manufacturerHalifaxDec 1538.75%12,68419,670104Heineken’s brewery in the Netherlands installed its barriers last year
81The Knowledge AcademyTraining providerBracknellMar 1638.74%7,35924,023178Its 30,000 courses are studied as far afield as Malaysia and Argentina
82European Braking SystemsVehicle brakes wholesalerManchesterMar 1638.66%9,35518,26879Owns Ireland’s largest turbocharger supplier
83Butterfly TwistsFootwear designerWest LondonMar 1638.43%*4,877*6,50040Sold in more than 60 countries, as well as on board British Airways and Aeroflot
84TBACreative agencyCentral LondonDec 1537.67%4,19117,50730Delivers more than 120 live events a year across the globe
85Process Control EquipmentSpecialist valves supplierStockton-on-TeesJun 1637.08%5,86612,19449Struck a £10m deal in 2014 to supply engineering parts to a new chemical plant in Saudi Arabia
86Coryton Advanced FuelsSpecialist fuel manufacturerEssexJun 1636.92%†7,368†11,38736Provides specialist fuels for clients in 26 countries, including Germany, Japan and the US
87Kent BrushesBrush manufacturerHemel HempsteadDec 1535.93%2,4156,82947Exports its handmade clothes and hairbrushes to 65 countries
88The Brecks CompanyCereal manufacturerNorth YorkshireMar 1635.82%4,80613,30676Last year it struck a deal with Finnish firm Raisio to make Honey Monster Puffs in the UK
89AndusiaWaste exporterHertfordMar 1635.09%17,40817,44711Exports 50 truckloads of waste to Europe every day
90SéraphineMaternity clothing retailerCentral LondonMar 1633.90%9,18813,78263Opened its first store in Dubai last year
91Kit for KidsChildren’s products manufacturerKentFeb 1633.87%2,2767,437132Its products are sold in over 30 countries
92PulseCreative agencyCentral LondonSep 1533.39%10,37614,66642Opened an office in Rio de Janeiro last year, its third international outpost
93Sygnature DiscoveryNew drug researcherNottinghamMar 1632.30%5,82712,330133Is moving into Nottingham’s £30m bioscience incubator, BioCity, later this year
94Ndemic CreationsComputer games developerBristolMar 1631.60%*7,916*8,5828Says over 85m players worldwide have downloaded its Plague Inc game
95ExclaimerAuto-signature software developerFarnboroughSep 1631.42%*5,437*7,04964Its software is used by 25,000 customers in more than 150 countries
96Charlie BearsTeddy bear wholesalerCornwallJun 1529.41%1,7717,61225Has a dedicated website for Australian collectors
97PreqinData services providerCentral LondonDec 1529.27%17,83921,018252Its data is used by investors in more than 90 countries
98Merlin CyclesOnline bike retailerLancashireOct 1527.72%8,22017,09434Exports road and mountain bikes, and cycling components and accessories, to 50 countries
99Stirling DynamicsAerospace engineerBristolJun 1627.55%5,4127,45185Carries out specialist engineering work for clients in Japan, the US and China
100MedtradeMedical device developerCreweFeb 1627.52%18,04319,73246Its patented range of gauzes and dressings are used by the US military and security agencies

* Supplied by company     † Annualised figure