Rank Company Location Year end 2-year av intl sales growth pa % International sales £000s Total sales £000s Staff Comment
1 Black Swan DataAnalytical software developer Central London May 15 357.19 *3,620 *8,419 205 In March it secured £3m from international investors, including Japanese conglomerate Mitsui
2 ShinerSports goods distributor Bristol Apr 15 346.00 10,455 22,369 59 Exports sports equipment such as skateboards to over 35 countries
3 LoveCraftsOnline crafts communities Central London Mar 15 311.44 *2,827 *5,340 75 With £18m of venture capital it has created a craft community covering 140 countries
4 PrivateFlyOnline private jet hire St Albans May 15 238.78 *4,545 *10,236 21 Launched in 2008 with £2m, it now has more than 7,000 private jets on its booking system
5 Denis Ferranti GroupAerospace technology and manufacturing Bangor Mar 15 209.72 2,120 10,603 105 Traces its roots to Dr Sebastian Ziani de Ferranti, a pioneer of power transmission systems
6 BrandFuelCreative design agency Central London May 15 207.44 12,675 17,415 37 Produced Google's Zeitgeist event for the last nine years
7 CQCMilitary clothing manufacturer Barnstaple Sep 14 165.29 7,175 8,069 57 Is supplying protective clothing to the armed forces in Oman
8 EburyBusiness finance provider Central London Apr 15 162.06 3,513 9,233 185 Has raised more than £70m from venture capital investors
9 Sovrin PlasticsPlastic mouldings specialist Slough Dec 14 161.17 4,207 10,759 112 Has invested £4.5m in a new HQ following increased demand from the US and Europe
10 AndusiaWaste exporter Hertford Mar 15 154.08 *16,899 *16,915 10 Ships waste to Amsterdam, home to the world's largest waste incineration plant
11 Sabre SafetySafety systems manufacturer Fife Dec 14 143.13 6,310 12,962 162 Provides equipment and health and safety advice to BP's facilities in Pakistan
12 Arrow MediaTV and film producer Central London Sep 14 139.41 *8,794 *10,857 52 Its documentary "Sherpa" was nominated for a BAFTA this year
13 A-2 SeaSubsea telecoms supplier Southampton Sep 15 138.75 *2,327 *8,218 17 Its engineers have worked on projects in Colombia, Panama, Iraq and Taiwan
14 QubitWeb technology developer Central London Dec 15 136.14 *3,420 *11,352 210 Has raised more than £50m, including £28m in February to fund product development
15 VictorOnline private jet hire Central London Dec 15 135.05 *9,336 *16,158 70 Last year it bought US-based private jet charter service YoungJets
16 CDEnviroSpecialist waste recycler County Tyrone Dec 15 126.84 *3,204 *9,418 44 Its soil cleaning technology has reduced waste at a tomato processing factory in Brazil
17 LC DesignsJewellery box designer Kent Mar 15 119.39 2,802 13,942 54 Its customisable jewellery boxes have been popular in Asia and North America
18 AHCPensions communications consultancy Wakefield May 15 117.81 1,456 6,535 69 Its online games and animations help businesses in the US and Australia demystify staff pensions
19 Original Steel ServicesForgings and steel processing Dorset Mar 15 115.73 11,467 23,420 188 Customers include European farriers
20 BorroOnline loan provider Central London Dec 14 113.49 3,814 11,371 62 Has offices in Manhattan and Beverly Hills to serve its customers, who include Hollywood celebrities
21 MRT CastingsAluminium parts manufacturer Hampshire Mar 15 107.11 3,990 7,186 52 Exports specialist aluminium parts to customers in Ireland, Hungary and Germany
22 The Appointment GroupTravel and events agency West London Dec 14 106.46 4,645 15,325 182 Organised a VIP trip to the FIFA World Cup in Brazil
23 HatstandFinancial IT consultancy Central London May 15 103.43 5,431 20,822 83 Its new office in Dubai will help drive sales of its cybersecurity practice in the Middle East
24 POD PointElectric vehicle charging developer Central London Jun 15 99.71 2,548 6,418 50 Has seen strong sales in Norway, where around 20% of new cars are electric
25 Alba PowerTurbine maintenance services Aberdeen Dec 15 98.90 *17,344 *21,151 64 Has customers in 16 countries, including the US and Vietnam
26 Turbine EfficiencyTurbine maintenance services Doncaster Dec 15 97.60 *22,100 *23,753 92 Past projects include replacing a turbine in the middle of the Burmese jungle
27 Miura SystemsPayment hardware provider High Wycombe Dec 15 97.52 20,209 24,819 44 Boosted by an £11m fundraising last year, future growth is expected in the US and Asia Pacific
28 Monica VinaderJewellery designer Norfolk Jul 15 95.68 5,291 19,814 138 Justin Bieber wore one of its bracelets to this year's MTV Europe Awards in Milan
29 The Knowledge AcademyTraining provider Bracknell Mar 15 94.63 4,654 22,139 126 Its 50,000 online courses are studied as far afield as Malaysia and Argentina
30 AmaraHome furniture online retailer Essex Dec 15 93.23 *3,694 *8,776 65 Says it is the largest international retailer of home accessories by Italian designer Missoni
31 Butterfly TwistsFootwear designer West London Mar 15 91.13 *4,358 *5,134 30 Sells its footwear in more than 50 countries including Japan, the Philippines and Mexico
32 HighQCloud collaboration software developer Central London Apr 15 87.48 1,627 6,818 160 Raised £35m in January to expand its international presence
33 Tangle TeezerHair products supplier South London Mar 15 85.17 18,655 23,176 22 Rejected by Dragons' Den tycoons in 2007, the company now sells a hairbrush every 3 seconds
34 BrandwatchSocial media monitoring technology Brighton Dec 14 84.42 8,361 15,246 260 Last October it raised £23m of venture capital to fund expansion in the US
35 Pet BrandsPet accessory manufacturer Wakefield Jan 16 82.34 *4,133 *10,786 42 Sells pet products - from dog shampoo to bird feeders - in 62 countries
36 AvectoIT security software developer Manchester Jun 15 81.89 9,612 14,675 119 Has sold a minority stake to US-based growth investor JMI Equity, raising £32m
37 Cult WinesWine merchant Southwest London Aug 15 80.70 *4,936 *17,020 16 Plans to open in Hong Kong to capitalise on the rising demand for fine wine in China
38 Lineup SystemsAdvertising technology developer Central London Jun 15 80.36 3,187 5,402 65 Has secured its first German-language client, Austrian publisher Russmedia
39 Lawton Communications GroupDigital marketing agency Southampton Dec 14 80.24 2,099 7,992 85 In 2010 it opened an office in Los Angeles to be near its customers in the US gaming industry
40 Wilkinson EyreArchitect Central London Mar 15 79.81 7,531 22,325 185 Is designing Australia's 2nd tallest building - a 90-storey hotel and apartment tower in Melbourne
41 Springbank WhiskyWhisky distillery Argyll Jul 15 79.32 3,500 8,133 61 In 2013 a Chinese whisky collector bought a bottle of its 50 year-old single malt for £50,000
42 Click NetherfieldDisplay case manufacturer Livingston Jul 15 76.61 8,819 11,634 125 Partners with a network of distributors to sell display cases to museum galleries worldwide
43 Seven Technologies GroupSecurity technology developer County Antrim Sep 15 75.06 12,460 15,377 143 Its surveillance technology helps prevent poaching in Kenya’s national parks
44 Blackrock PMDispute resolution consultancy Central London Oct 15 71.06 *12,795 *16,133 72 Last year's investment from Dunedin will be used to open offices in Paris and Singapore
45 AgilitasIT services provider Nottingham Mar 15 69.39 †1,848 †6,993 75 New contracts will help it expand into Norway, Sweden and Ireland this year
46 Coryton Advanced FuelsSpecialist fuel manufacturer Essex Jun 15 67.23 6,600 11,722 25 Provides high-performance fuels to global clients such as Ford, BMW and Airbus
47 Chemist 4 UOnline pharmacy Lancashire Sep 15 66.22 *4,133 *16,940 48 Treatments for hair loss and bad breath are among the 16,000 parcels this firm dispatches each day
48 UK Gas TechnologiesSpecialist engineering contractor Redhill Mar 15 65.31 3,260 8,447 30 Has installed purified water generation systems as far afield as the Faroe Islands and Bangladesh
49 SimworxSpecial effects developer West Midlands Dec 15 62.02 *4,780 *9,622 27 Its 4D cinema at New Zealand’s Antarctic Centre includes wind, snow and water spray effects
50 GrenadeSports nutrition developer Coventry Dec 15 61.49 *4,356 *8,550 16 Exports to markets as diverse as Brazil and Iraq
51 NMS International GroupConstruction consultancy & contractor Northamptonshire Apr 15 61.31 17,219 17,219 20 Last year it won a £166m contract for up to 10,000 affordable housing units in Cameroon
52 Equator DesignFood packaging consultancy Manchester Dec 15 60.87 *8,966 *16,023 242 Designed own-label packaging for Aldi US and Ireland
53 SéraphineMaternity clothing retailer Central London Mar 15 60.81 6,990 11,170 67 Princess Sofia is the second Swedish royal to wear a Séraphine maternity dress
54 Search LaboratoryOnline marketing agency Leeds Oct 15 60.66 2,054 9,084 128 Runs "cultural days" for staff, where foreign employees give a talk and bring local foods to work
55 Red Paddle CoWatersports equipment designer Devon Feb 15 58.37 *4,344 *7,543 14 Says it has an 18% share of the global market for inflatable paddleboards
56 XceedIT management consultancy Central London Nov 14 57.00 3,202 15,870 99 Specialises in integrating IT systems for Wall Street clients undergoing a merger
57 European Braking SystemsVehicle brakes wholesaler Manchester Mar 15 56.93 9,095 18,162 61 Has a truckparts subsidiary in Wuhan, China
58 Stateside SkatesSports goods distributor Amersham Jan 15 56.84 4,200 9,140 21 Its action sports equipment is made in China and Taiwan, and sold across Europe
59 TestPlantSoftware testing tools developer Central London Dec 14 56.76 5,848 7,403 55 Opened its 5th overseas outpost in Philadelphia to be near East Coast tech firms
60 REPL GroupIT consultancy Warwickshire Mar 15 56.57 2,565 9,331 123 Has offices in the US, Canada, Australia and Singapore
61 Webster & HorsfallWire and cable manufacturer Birmingham Jun 15 56.08 2,352 8,803 114 Made the first transatlantic telegraph cable in 1866, which used 30,000 miles of wire
62 Helipebs ControlsHydraulic cylinder manufacturer Gloucester Mar 15 55.93 2,814 7,292 76 A Chinese language website has helped this manufacturer win customers in the Far East
63 Sladmore GalleryArt gallery Central London May 15 54.96 10,832 13,891 7 Has sold work by French artists Rodin and Degas, and customers include Arnold Schwarzenegger
64 SabichiHomeware designer & retailer Middlesex Oct 14 54.28 2,532 11,836 67 Bright colours and low prices help it sell to West Africa, Dubai and Australia
65 Sygnature DiscoveryNew drug researcher Nottingham Mar 15 53.83 5,310 11,407 113 Will move into £30m purpose-built labs in Nottingham's bioscience incubator, BioCity, in 2017
66 TomorrowDesigner brands wholesaler East London Dec 15 51.82 *14,975 *17,155 46 Promotes new fashion brands at its 20,000 sq ft showroom in Paris during the city's fashion weeks
67 Forest BoardsTimber exporter Guildford Mar 15 50.55 2,237 6,612 4 Sources its wood from Chile
68 FlixmediaDigital marketing platform North London Mar 15 50.15 6,897 6,967 85 Helps global brands, including Microsoft, Google and Samsung, manage digital content
69 Parallel ConsultingRecruitment consultancy Central London Dec 14 49.65 7,637 24,396 81 Plans to expand in the US next year by opening offices on the East Coast
70 Global Infusion GroupEvents caterer Buckinghamshire Dec 15 48.27 *9,059 *17,675 130 Provided catering for Lenny Kravitz in Los Angeles, and Lady Gaga on tour in Hong Kong
71 Wool OversKnitwear retailer West Sussex Mar 15 45.61 10,536 24,299 107 Its knitwear has been popular in France, Germany and Russia
72 PlextekElectronics design consultancy Cambridgeshire Mar 15 45.11 7,911 21,679 123 In January it spun-out its subsidiary, Telensa, which has sold its street lights to more than 8 countries
73 Oxford PlasticsSafety barrier manufacturer Oxfordshire Mar 15 43.89 3,589 16,866 92 75% of its products are made from recycled materials
74 Open DestinationsTravel software developer North London Dec 14 43.16 4,038 7,147 35 Has a research and development team in Goa
75 VermilionFinancial software developer Central London Mar 15 42.31 *3,652 *6,983 50 This January it won a deal to sell its Japanese language software to an asset manager in Tokyo
76 DescoEngineering consultancy Sunderland Mar 15 42.31 2,428 7,007 66 Helped refurbish the Bank of Qatar’s retail branches
77 Mind GymCorporate learning provider West London Mar 15 42.30 11,468 19,834 141 Uses psychological techniques to help staff at Starbucks and Versace improve their performance
78 ASE GlobalCar dealership consultancy Manchester Dec 14 42.12 10,832 16,984 196 Exports will be boosted by last August's acquisition of Austrian software firm E-Dentity
79 ApicalImaging technology developer Central London Mar 15 41.56 16,615 16,615 64 Its microchip technology is used in more than one billion mobile devices
80 Group IMDVideo advertising software developer Central London Dec 14 41.09 8,022 17,025 152 Last July it bought a Shanghai-based video advertising firm
81 Safeguard World InternationalPayroll services provider Cheshire Dec 14 40.95 5,781 19,641 242 Last August it opened an office in Budapest to service its customers in Europe
82 British Corner ShopBritish food exporter Bristol Mar 15 40.91 *7,055 *7,616 45 Exports baked beans and other British foods to expats in 138 countries
83 bluesourceIT consultancy Central London Sep 15 40.76 7,204 20,270 103 Manages the IT infrastructure for the WWF, which has 100 offices in more than 80 countries
84 Brian James TrailersTrailer manufacturer Daventry Jul 15 40.62 6,437 13,696 96 Its trailers are used by World Rally teams and high-end car marques, such as Mercedes-Benz
85 McGaviganDecorative plastics manufacturer Glasgow Dec 15 40.45 18,776 19,332 324 Investment from Maven Capital Partners in 2011 funded a new factory in China
86 CasdonToy maker Blackpool Apr 15 40.45 3,146 7,725 16 Replica vacuum cleaners helped this toy-maker grow sales in Japan
87 SFDRetail interior designer Watford Sep 15 39.45 *8,214 *23,336 80 Opened an office in New York after winning a contract to fit-out Gap's US stores
88 A-SafeSafety barrier manufacturer Halifax Dec 15 37.94 *12,536 *19,680 154 Is installing its barriers at Volkswagen’s new logistics centres in Ohio and Germany
89 MOFILMCrowdsourcing advertising agency Central London Dec 14 36.62 *8,528 *10,667 58 Its filmmakers’ work has been shown during US Super Bowl ad breaks
90 WeatherbysHorse racing Wellingborough Dec 14 36.56 6,331 21,721 281 Is investing in developing its DNA and genomic testing laboratory in County Kildare, Ireland
91 CosattoPushchair manufacturer Bolton Aug 15 36.30 4,293 14,886 55 Its colourful pushchairs, highchairs and car seats have been popular in Europe and China
92 Kent BrushesBrush manufacturer Hemel Hempstead Dec 14 36.03 1,968 5,767 40 Has been exporting its handmade clothes and hair brushes to Asia since 1903
93 SanglierChemicals packaging manufacturer Nottinghamshire Apr 15 35.14 2,694 11,413 45 The company's name 'Sanglier' means 'wild boar' in French
94 SCM WorldSpecialist training provider Central London Dec 15 35.00 *7,667 *7,888 50 Condolezza Rice was the keynote speaker at its Leaders Forum in California last year
95 Potters PoultryPoultry equipment supplier Rugby Mar 15 34.94 2,467 10,864 44 Sells chicken breeding equipment to the supplier of all KFC outlets in the Philippines
96 Kit for KidsChildren's products manufacturer Kent Feb 16 34.76 *2,306 *7,800 130 Its educational and babycare products are sold in more than 220 stores in the Middle East
97 Laser QuantumLaser technology developer Stockport Sep 14 34.31 12,615 12,985 97 Its €500,000 lasers are used by scientists globally, from Silicon Valley to Japan
98 Synectics SolutionsSpecialist software developer Staffordshire Aug 15 34.26 3,856 13,139 290 Employs more than 45 software developers at its Staffordshire headquarters
99 Heatherwick StudioArchitect & designer Central London Mar 15 33.64 11,468 14,359 152 Is designing Google's new headquarters in Mountain View, California
100 Micro SystemsMedical device manufacturer Warrington Dec 14 33.20 5,764 9,823 56 Has manufacturing plants in Vienna and Singapore

* Supplied by company     † Annualised figure