Rank Company Location Year end 2-year av intl sales growth pa % International sales £000s Total sales £000s Staff Comment
1 NaughtoneFurniture designer and manufacturer North Yorkshire May 16 279.90% *†4,480 *†9,617 24 Its furniture can be found in the offices of Google, Facebook, Amazon and Nike
2 DuronicConsumer products manufacturer Romford Oct 16 274.22% *4,315 *10,789 45 Is planning to expand into the US, India and the Middle East
3 XceedIT management consultancy Central London Nov 15 180.93% 10,131 20,239 141 Helps global banks migrate their services to the cloud
4 October FilmsTV programme maker Central London Oct 15 175.12% 18,366 23,325 75 Opened an office in New York in 2014, helping it attract commissions from US TV networks
5 AerFinAircraft and spares services Caerphilly Dec 15 159.17% †9,264 †15,332 40 Last November it delivered a reconditioned Embraer 170 to Austrian airline People’s Viennaline
6 QuinshieldIndustrial building manufacturer Carmarthenshire Dec 15 149.05% 3,218 8,546 101 Has made more than 23,000 glass-reinforced products since it was set up in 1993
7 Stiltz LiftsLift manufacturer West Midlands Dec 16 145.97% *3,186 *8,370 100 Its freestanding lifts have been retrofitted into homes in more than 20 countries
8 Anthesis ConsultingSustainability consultancy Oxford Dec 15 135.23% 3,743 6,893 100 Has made ten acquisitions, including companies in Germany, Sweden, North America and the UAE
9 HolovisSpecial effects developer Leicestershire Jan 16 131.77% 8,603 10,286 61 Created a 3D virtual reality planetarium at the American Museum of Natural History in New York
10 RHAPersonal audio product designer Glasgow Mar 16 129.27% *4,789 *6,164 42 Apple sells RHA headphones through its stores and website
11 CDEnviroSpecialist waste recycler Co Tyrone Dec 15 126.84% *3,204 *9,400 44 Installed Australia’s first facility for recycling litter and leaves collected from roads
12 AmidoCloud technology consultancy Central London Mar 16 124.21% *1,688 *5,512 67 Says the reputation of Britain’s ecommerce industry has helped it win international customers
13 KiddyliciousChildren's snack manufacturer Buckinghamshire Dec 15 114.11% *1,279 *6,375 15 Is forecasting sales in China of over $1m this year, making the country its largest overall market
14 Bulk PowdersSports nutrition brand Colchester Dec 16 113.36% *11,029 *23,785 100 Its whey protein and superfood powders are popular with bodybuilders in Europe
15 SalecycleMarketing technology developer Tyne and Wear Mar 16 112.93% 3,693 8,956 112 Tempting customers back to their bookings, it has helped Virgin Atlantic increase online sales by over 5%
16 Search LaboratoryOnline marketing agency Leeds Oct 16 109.14% *3,439 *9,713 130 Its multilingual staff run search engine marketing campaigns for clients in more than 18 countries
17 Divine ChocolateChocolate manufacturer Central London Jun 16 106.23% *6,322 *12,062 23 Is planning to start exporting to countries such as the UAE and Thailand
18 Alba PowerTurbine maintenance services Aberdeenshire Dec 15 103.24% 18,110 21,375 67 Has customers in 16 countries, including the US and Australia
19 HighQCloud collaboration software developer Central London Apr 16 101.79% *4,080 *10,583 190 Has offices in New York, Amsterdam, Frankfurt, Sydney and Ahmedabad
20 PKLCatering equipment provider Cheltenham Apr 16 99.91% 6,814 17,937 87 Provided temporary kitchens at last year’s Rio Olympics
21 Wesley CoeMedical device manufacturer Cambridgeshire Mar 16 99.82% 1,865 5,586 63 Its products range from dental implants to artificial saliva
22 DigiflexConsumer products retailer Essex Mar 16 99.58% *2,346 *5,237 24 Plans to launch its own international website this year
23 Miura SystemsPayment hardware provider High Wycombe Dec 15 97.52% 20,209 24,819 44 Has sold more than 1m payment devices around the world
24 M&M ContractorsInfrastructure services provider Belfast Oct 15 95.37% *3,254 *11,830 46 Helped to lay 4,600km of subsea fibre-optic cables between the UK and the US
25 PrivateFlyOnline private jet hire St Albans May 16 95.26% *7,000 *14,700 27 Opened an office in Miami last year to serve the growing US market
26 Minerva Research LabsCosmetics supplement developer Central London Jul 16 93.60% *2,536 *6,324 37 Its collagen liquid food supplements are manufactured in Japan and sold worldwide
27 Lawton CommunicationsDigital marketing agency Southampton Dec 15 86.71% 4,486 8,385 92 Helped launch camel milk from Australia’s first commercial-grade camel dairy
28 Pet BrandsPet accessory manufacturer West Yorkshire Jan 16 82.34% *4,133 *10,271 42 Its 42,000 sq ft warehouse in Shanghai supplies international customers
29 LPW TechnologyMetal powder manufacturer Cheshire Aug 15 82.22% *5,495 *7,380 36 Customers as far afield as Israel and China use its powders in their 3D printing
30 FentimansDrinks manufacturer Northumberland Dec 15 80.21% *†5,894 *†19,250 38 Its botanically-brewed drinks are especially popular in the US, Belgium and Austria
31 Touch AssociatesEvent communications agency Surrey Dec 15 79.43% †8,918 †14,861 43 Uses technology and digital content to encourage audience participation at its hi-tech events
32 ParasenseRefrigeration monitoring system manufacturer Gloucester Dec 15 74.65% 4,745 5,372 70 Has exported its military-grade leak detection devices to the US since 1996
33 CashFlowsPayment services provider Cambridge Dec 15 73.26% 9,353 19,909 59 1,500 businesses across the UK and Europe use its technology to accept online payments
34 Equator DesignFood packaging consultancy Manchester Dec 15 73.19% 10,392 16,924 242 Designed own-label packaging for Aldi stores in the US and Ireland
35 Grant BarnettUmbrella maker Hertfordshire Dec 15 71.74% 2,146 10,051 25 Designs and exports fashion-inspired umbrellas, wellies and rain jackets, primarily to Europe
36 PaladoneGift wholesaler West Sussex Jun 16 67.55% *8,607 *22,981 66 Exports novelty gifts to over 70 countries and has offices in Miami and Hong Kong
37 LoadhogReturnable packaging maker Sheffield Dec 15 63.62% 3,297 7,653 69 Has an environmentally-friendly glass-cleaning facility in Portugal
38 HangerworldHangers and accessories retailer Blackpool Jun 16 62.03% *†1,919 *†7,163 70 Sends clothes hangers all over the world from its 60,000 sq ft warehouse in Blackpool
39 SimworxSpecial effects developer West Midlands Dec 15 62.02% *4,780 *9,622 27 Installed Colombia’s first 4D cinema, which includes water, wind and motion effects
40 GrenadeSports nutrition developer Solihull Dec 15 61.49% *4,356 *8,563 16 Exports to markets as diverse as Brazil and Iraq
41 GymsharkOnline activewear retailer Worcestershire Jul 16 61.04% *7,523 *12,841 53 Has over 3m social media followers in more than 150 countries
42 Cult WinesWine merchant Southwest London Aug 16 60.37% *5,951 *20,409 21 Manages wine investments for more than 1,700 clients in 60 countries
43 Net World SportsOnline sports goods retailer Wrexham Sep 16 59.88% *6,936 *11,867 62 Sells 100,000 football goals a year, making it the world’s largest supplier
44 Welland PowerGenerator manufacturer Spalding Mar 16 59.16% 10,587 12,911 22 Its generators are sold worldwide through local importers and wholesalers
45 Crittall WindowsSteel window manufacturer Essex Apr 16 57.71% †4,491 †14,427 179 Supplied over 4,000 windows for a new faculty at an Ivy League university
46 REPL GroupIT consultancy Warwickshire Mar 16 56.96% 5,111 12,434 149 80% of its international sales are in the US
47 Packaging AutomationTray sealing equipment manufacturer Knutsford Sep 15 56.86% 2,478 7,663 98 Has distributors as far afield as Turkey, Australia, Canada and Colombia
48 Lineup SystemsAdvertising technology developer Central London Jun 16 56.81% *5,677 *7,373 85 Its software comes in 21 languages and has 8,000 users across 33 countries
49 Professor PuzzlePuzzle maker Central London Jun 16 56.65% *3,467 *8,002 34 A street seller in Calcutta taught the founder how to make puzzles, inspiring him to start the business
50 VegwareRecyclable packaging manufacturer Edinburgh Jan 16 56.06% 2,390 11,820 51 Among its customers across four continents are eco-conscious consumers in Barbados
51 Red Paddle CoWatersports equipment designer Devon Feb 16 55.89% *5,713 *9,602 17 Says it has an 18% share of the global market for inflatable paddleboards
52 Crafter’s CompanionCraft products retailer Co Durham Mar 16 55.02% 5,985 15,262 63 The founder is a regular guest on home shopping channels in the US
53 Language ConnectTranslation services provider Central London Sep 16 54.89% *1,861 *7,072 60 Its international network of 6,000 freelancers can translate more than 150 languages
54 AHCPensions communications consultancy Wakefield May 16 54.21% *1,642 *6,591 70 Has offices in Minneapolis and Melbourne
55 Condeco SoftwareWorkplace management software Central London May 16 53.58% *10,350 *19,470 272 Secured $30m from Highland Capital Partners last June to fund expansion into the US, Europe and Asia
56 Angst ProductionsFilm and TV producer Central London Dec 15 53.47% 10,061 13,201 7 The relaunched US version of Whose Line is it Anyway? is now in its fifth series
57 Mini-CamPipeline inspection system manufacturer Warrington Jan 16 53.43% *3,442 *10,607 35 Municipal authorities in more than 40 countries use its cameras to check sewer pipes
58 Clyde SpaceSatellite manufacturer Glasgow Apr 16 52.85% *3,995 *5,257 75 Builds six flight-ready mini-satellites in its “cleanroom” each month
59 ForegenixData security software developer Wiltshire Sep 16 52.54% *3,509 *5,201 59 Boosted its US sales when it opened a Boston office in 2015
60 SideriseBuilding insulation developer Bridgend Dec 15 51.82% 1,826 9,086 80 Its fire proofing materials are used to protect 40 high-rise buildings in Riyadh
61 TomorrowDesigner brands wholesaler East London Dec 15 51.82% *14,975 *17,155 41 Its 20,000 sq ft showroom in Paris promotes up-and-coming brands during the city’s fashion weeks
62 The Appointment GroupTravel and events agency West London Dec 15 51.60% 6,500 17,774 289 In December it bought a Sydney-based events company as it expands in the Asia Pacific region
63 Elstead LightingLighting manufacturer and distributor Hampshire Jul 16 51.38% *3,866 *10,063 107 Sells more than 2,000 decorative lighting products to customers in 60 countries
64 SBDAutomotive technology specialist Milton Keynes Mar 16 51.05% *5,233 *5,862 83 Is setting up an office in China this year
65 AGR AutomationHi-tech machinery developer Arbroath Dec 15 46.02% 14,807 15,784 98 Works with multinational pharmaceutical and medical device firms
66 HydroSubsea engineering services Aberdeenshire Mar 16 45.44% 4,243 10,566 111 Launched its new US division in Florida last year
67 LA Micro UKIT reseller Windsor Apr 16 45.09% *9,620 *17,132 37 America and China are two growth markets for this IT supplier
68 Baldwin & FrancisSwitchgear manufacturer Sheffield Mar 16 44.60% 9,605 11,601 68 Has designed a ring main to control unmanned wellheads for the Abu Dhabi National Oil Company
69 Global InfusionGlobal events caterer Buckinghamshire Dec 15 44.10% 8,556 17,016 130 Its chefs created bespoke canapés to help launch the Michelin Guide in Shanghai last year
70 Phoenix Business SolutionsSoftware consultancy Central London Jul 15 43.84% 5,605 12,669 71 Its software is used by more than 300 professional services firms globally
71 TalleyMedical device manufacturer Hampshire Oct 15 43.49% 11,129 23,809 210 Hospitals in Finland, the US and Australia use its medical devices
72 LeecMortuary equipment manufacturer Nottingham Apr 16 43.27% 2,478 7,226 61 Makes mortuary and anatomy equipment for hospitals and universities in Russia and Hong Kong
73 ASE GlobalCar dealership consultancy Manchester Dec 15 43.26% 12,126 18,866 249 Acquired Austrian software firm EDentity in 2015
74 Highlander OutdoorOutdoor equipment supplier Livingston Feb 16 42.80% 2,467 8,391 38 Supplies disaster relief and shelter equipment to the United Nations
75 XirosMedical device manufacturer Leeds Mar 16 41.66% 10,369 10,869 104 Helped by an extensive distributor network, 95% of its sales are exports
76 GlassworksVisual effects agency Central London Sep 15 40.86% 5,974 10,020 72 Its international clients include Nike, Toyota and Coca-Cola
77 McGaviganDecorative plastics manufacturer Glasgow Dec 15 40.45% 18,776 19,332 324 Opened an office in Japan last year to help meet increased demand in Asia
78 M SquaredLaser designer and manufacturer Glasgow Feb 16 39.28% 6,507 8,532 75 Its advanced laser systems are used by Nobel prize-winning scientists
79 Mec ComContract engineering manufacturer Stafford Dec 15 39.01% 6,711 12,165 121 Its factory in Romania manufactures engineering components for customers in Europe
80 A-SafeSafety barrier manufacturer Halifax Dec 15 38.75% 12,684 19,670 104 Heineken’s brewery in the Netherlands installed its barriers last year
81 The Knowledge AcademyTraining provider Bracknell Mar 16 38.74% 7,359 24,023 178 Its 30,000 courses are studied as far afield as Malaysia and Argentina
82 European Braking SystemsVehicle brakes wholesaler Manchester Mar 16 38.66% 9,355 18,268 79 Owns Ireland’s largest turbocharger supplier
83 Butterfly TwistsFootwear designer West London Mar 16 38.43% *4,877 *6,500 40 Sold in more than 60 countries, as well as on board British Airways and Aeroflot
84 TBACreative agency Central London Dec 15 37.67% 4,191 17,507 30 Delivers more than 120 live events a year across the globe
85 Process Control EquipmentSpecialist valves supplier Stockton-on-Tees Jun 16 37.08% 5,866 12,194 49 Struck a £10m deal in 2014 to supply engineering parts to a new chemical plant in Saudi Arabia
86 Coryton Advanced FuelsSpecialist fuel manufacturer Essex Jun 16 36.92% †7,368 †11,387 36 Provides specialist fuels for clients in 26 countries, including Germany, Japan and the US
87 Kent BrushesBrush manufacturer Hemel Hempstead Dec 15 35.93% 2,415 6,829 47 Exports its handmade clothes and hairbrushes to 65 countries
88 The Brecks CompanyCereal manufacturer North Yorkshire Mar 16 35.82% 4,806 13,306 76 Last year it struck a deal with Finnish firm Raisio to make Honey Monster Puffs in the UK
89 AndusiaWaste exporter Hertford Mar 16 35.09% 17,408 17,447 11 Exports 50 truckloads of waste to Europe every day
90 SéraphineMaternity clothing retailer Central London Mar 16 33.90% 9,188 13,782 63 Opened its first store in Dubai last year
91 Kit for KidsChildren’s products manufacturer Kent Feb 16 33.87% 2,276 7,437 132 Its products are sold in over 30 countries
92 PulseCreative agency Central London Sep 15 33.39% 10,376 14,666 42 Opened an office in Rio de Janeiro last year, its third international outpost
93 Sygnature DiscoveryNew drug researcher Nottingham Mar 16 32.30% 5,827 12,330 133 Is moving into Nottingham’s £30m bioscience incubator, BioCity, later this year
94 Ndemic CreationsComputer games developer Bristol Mar 16 31.60% *7,916 *8,582 8 Says over 85m players worldwide have downloaded its Plague Inc game
95 ExclaimerAuto-signature software developer Farnborough Sep 16 31.42% *5,437 *7,049 64 Its software is used by 25,000 customers in more than 150 countries
96 Charlie BearsTeddy bear wholesaler Cornwall Jun 15 29.41% 1,771 7,612 25 Has a dedicated website for Australian collectors
97 PreqinData services provider Central London Dec 15 29.27% 17,839 21,018 252 Its data is used by investors in more than 90 countries
98 Merlin CyclesOnline bike retailer Lancashire Oct 15 27.72% 8,220 17,094 34 Exports road and mountain bikes, and cycling components and accessories, to 50 countries
99 Stirling DynamicsAerospace engineer Bristol Jun 16 27.55% 5,412 7,451 85 Carries out specialist engineering work for clients in Japan, the US and China
100 MedtradeMedical device developer Crewe Feb 16 27.52% 18,043 19,732 46 Its patented range of gauzes and dressings are used by the US military and security agencies

* Supplied by company     † Annualised figure