Rank Company Location Year end % annual profit growth Latest profits £000 Latest sales £000 Staff Comment
1 PaymentsensePayment processing services West London Mar 16 203.41% 14,075 44,554 203 Serves 57,000 small businesses and processed £5.5bn worth of card payments last year
2 Avon GroupSeal manufacturer Bristol Mar 16 148.51% 11,145 48,295 504 Exports its seals and gaskets to 40 countries
3 Heatherwick StudioArchitect and designer Central London Mar 16 141.16% 10,435 27,843 180 Is designing Google's HQ in King’s Cross, north London, and in Mountain View, California
4 Howarth Timber GroupTimber products supplier Leeds Mar 16 133.38% 9,292 169,232 914 This family-owned timber supplier dates back to 1840
5 Your World Recruitment GroupHealthcare recruitment consultancy Central London Dec 15 132.21% 6,895 98,232 174 Places more than 2,300 healthcare staff a day
6 MuntonsMalt manufacturer Suffolk Jan 16 129.46% 9,424 91,479 315 Produces 200,000 tons of malt and malted products a year
7 Bruntingthorpe Proving GroundAerodrome and vehicle test track Lutterworth Jun 15 114.49% 5,200 18,772 62 Until 1962 it was used as a heavy bomber base, codenamed ‘Big Thunder’
8 Plan B HealthcareRecruitment consultancy Central London Sep 15 113.60% 4,938 24,392 43 Founder Kevin Coyle owns five recruitment firms
9 HH GlobalMarketing services supplier South London Mar 16 109.35% 5,845 202,181 656 Opened a Hong Kong office last November to support its Asia-Pacific business
10 Sahara Presentation SystemsAudio-visual products supplier Kent Dec 15 107.18% 4,637 38,265 70 Sells audiovisual products to the education sector in the UK and internationally
11 GtechAppliance manufacturer Worcester Nov 16 105.83% *9,164 *91,236 138 Has sold more than 22m domestic appliances in 19 countries
12 Britannia HotelsHotelier Altrincham Mar 16 105.30% 34,180 84,105 2,011 Has some hotels in historic buildings such as Warwickshire's grade II-listed Bosworth Hall
13 Gordons ChemistsChemist Banbridge, Co Down Apr 16 103.71% 5,088 80,570 655 Says it is the largest independent pharmacy chain in Northern Ireland
14 Balmoral GroupPolymer engineer and manufacturer Aberdeen Mar 16 101.24% 32,931 134,450 576 Demand from offshore oilfields in Brazil and West Africa are sustaining profits
15 Lawrence DavidTrailer manufacturer Peterborough May 16 100.05% 4,901 97,273 253 In 2015 it won a three-year contract to make all of Sainsbury’s home delivery vehicles
16 Lioncourt HomesHousebuilder Worcester Mar 16 98.52% 9,009 40,524 54 Last year it completed the sale of 190 homes, double the amount sold in 2015
17 L & J HoldingsCivil engineer Walsall Nov 15 98.32% 15,355 58,929 59 Provides its services to national construction firms and housebuilders
18 Wilkinson VintnersWine merchant Northwest London Jun 16 97.56% *3,892 *22,972 9 Has a case of 1988 Romanée-Conti Burgundy in stock priced at £180,000
19 MobicaSoftware engineer and tester Cheshire Dec 15 95.40% 11,169 38,532 808 Private-equity firm Inflexion acquired a minority stake in September 2015
20 Strata HomesHousebuilder and developer Doncaster Dec 15 95.01% 9,975 98,900 162 The government’s Help to Buy scheme has contributed to its growth
21 Churchill Retirement LivingRetirement housebuilder Hampshire Jun 16 94.63% *62,781 *186,956 492 Dame Esther Rantzen opened the firm's 100th development last December
22 Evolution FundingMotor finance intermediary Chesterfield Dec 16 94.18% *6,878 *60,576 276 Last year it financed more than 31,000 vehicle loans and increased its rental fleet to 1,800
23 Morrisroe GroupGroundworks and construction Borehamwood, Herts Oct 15 93.10% 9,891 114,550 162 Landmark projects include One Tower Bridge in London and the Library of Birmingham
24 SymphonyFurniture supplier Barnsley Dec 15 90.76% 12,474 182,713 1,423 Owns premium brand Charles Yorke, which offers bespoke traditional kitchens
25 LGCAnalytical services laboratory Southwest London Mar 16 90.66% 48,772 247,536 2,337 Is the designated UK national institute for chemical and biological measurement
26 Premier GroupSheet metal engineer Coventry Mar 16 90.28% 3,613 18,001 232 Manufactured the iconic torch carried at the London 2012 torch relay
27 ChargePoint TechnologyPrecision valve manufacturer Liverpool Dec 16 89.26% *3,367 *11,415 60 Chief executive Chris Eccles led a buyout backed by LDC in January
28 TuskerCar benefit specialists Watford Dec 16 89.22% *9,430 *140,875 170 Provides over 320 car benefit schemes for more than 850,000 employees
29 Di Maggio’sRestaurant group Glasgow May 16 89.03% 6,295 33,798 784 Plans to open two new Café Andaluz restaurants later this year
30 Tobermore Concrete ProductsConcrete products manufacturer County Londonderry Apr 16 87.98% 6,069 32,364 198 Founded some 75 years ago as a sand and gravel business
31 Spark EnergyEnergy supplier Selkirk Jun 16 87.88% 5,786 126,320 308 Chief executive Chris Gauld led a buyout backed by Limerston Capital last August
32 Clarkson EvansElectrical contractor Gloucester Sep 16 87.46% *3,739 *47,551 719 In 2016 it wired 10% of all new homes built in England and Wales
33 Animal Friends Pet InsurancePet insurance provider Wiltshire Dec 15 86.85% 7,582 17,773 125 Has donated over £3m to more than 300 animal welfare charities
34 Green Frog PowerShort-term reserve electricity provider Coleshill, Warwickshire Mar 16 86.57% 12,546 16,825 5 Is able to provide reserve power to the National Grid within 30 seconds
35 Haywood & PadgettBakery Barnsley Oct 15 86.19% 4,556 23,241 138 Produces 4.5m scones every week, supplying most large UK supermarkets
36 Bill’s RestaurantsRestaurant operator Central London Aug 16 86.04% 8,380 110,547 2,909 Last financial year it served 5.8m eggs and 468,000 avocados to more than 7.5m customers
37 Taylor MaxwellBuilding products supplier Bristol Mar 16 85.94% 5,865 173,600 175 Installed 4,000 sq m of oak flooring for Oxford's award-winning Blavatnik school of government
38 GreenrayGas turbine servicer Lincoln Dec 15 85.86% 3,503 25,583 96 Overseas markets include India, Abu Dhabi and Iraq
39 IT LabIT services provider Central London Mar 16 84.94% *4,737 *31,118 331 Chief executive Peter Sweetbaum led a buyout backed by ECI Partners last year
40 BladeRoomModular data centre designer Cheltenham Mar 16 83.48% †8,567 †40,631 62 Has built more than 100 healthcare facilities in the past six years
41 Carey GroupBuilding contractor Wembley Mar 16 82.06% 18,203 430,707 1,173 Its recovery plant in Wembley can process 1m tons of waste a year
42 Readie ConstructionConstruction contractor Romford Mar 16 81.77% 3,535 92,231 73 Its website allows users to view live webcams of its current projects
43 Fox International GroupFishing tackle supplier Essex Dec 15 81.13% 5,200 29,147 103 Mayfair Equity Partners acquired a majority stake in 2015 valuing the group at £50m
44 Story HomesHousebuilder Carlisle Mar 16 80.74% †22,093 †121,046 211 Expects to complete 800 homes in 2017, up 42% on last year
45 Omar GroupPark home manufacturer Suffolk Apr 16 79.27% †3,912 †30,838 333 Opened a £1.1m extension to its Suffolk factory last year, creating 80 jobs
46 The Right Fuelcard CompanyFuel card provider Leeds Jun 16 79.05% 3,327 136,894 62 Acquired Total’s fuelcard division in partnership with fuel forecourt operator Rontec in 2012
47 Silentnight GroupBed manufacturer Lancashire Jan 16 78.68% 7,752 137,499 1,018 Makes half a million beds each year through brands such as Sealy and Layezee
48 WatchfinderPre-owned watch retailer Kent Mar 16 78.62% 3,340 60,777 108 Sells a watch every 30 minutes, worth an average of £5,000 each
49 Radnor HillsBottled drinks manufacturer Powys May 16 76.73% 6,473 33,824 126 Produced 230m units of bottled drink last year, working at 58% of its production capacity
50 MVFDigital marketing agency North London Mar 16 76.72% 7,876 39,009 279 Opened its first overseas office in 2015, in Texas
51 Vets NowOut-of-hours vet surgeries Dunfermline Mar 16 76.16% 4,130 36,759 1,103 Says it treats about 100,000 small animals every year
52 MAATS TechMarine engineering consultancy Winchester Sep 16 76.11% *8,395 *33,288 40 Recently completed delivery of 11 converted ships for customers in Brazil
53 GlendinningQuarry and concrete products Ashburton, Devon Apr 16 75.90% 6,676 33,298 224 Says it is Devon's largest family-owned quarrying, concrete and road contracting firm
54 Vital EnergiEnergy services provider Blackburn Jun 16 75.74% 6,300 106,766 330 Installed the underground heating network for the BBC's Media City in Manchester
55 Paperchase ProductsStationery and card retailer Central London Jan 16 75.65% 4,929 119,185 2,006 Plans to open its first stores in America later this year
56 BrickabilityBrick supplier Bridgend Mar 16 75.60% 4,651 72,640 101 Has created a brick calculator to work out the exact number of bricks required for a project
57 Bennett HomesHousebuilder Suffolk Dec 15 75.26% 3,423 17,421 44 Currently has eight new housing developments in East Anglia
58 SDL GroupResidential property services Nottingham Mar 16 74.88% 3,529 25,422 498 Says its acquisition of Graham Penny makes it Britain's fourth biggest property auction house
59 AB2000Plant hire business Glasgow Jan 16 74.81% 4,080 25,581 233 Invested £10m last year in new plant machinery and equipment
60 PureGymGym operator Leeds Dec 15 73.87% 13,536 125,201 960 Olympic champion cyclist Sir Chris Hoy is an adviser to the business
61 PennyfarthingHousebuilder Hampshire Jan 16 73.60% 5,661 35,823 65 Builds coastal homes in Dorset and Hampshire
62 MicroliseVehicle tracking developer Nottingham Jun 16 73.47% 3,184 41,224 347 Is setting up operations in Dubai to add to offices in India and Australia
63 Talley GroupMedical device manufacturer Hampshire Oct 15 73.47% 6,092 23,809 210 Opened a custom-built research and development facility at its Hampshire base last year
64 PN DalyUtilities contractor Rochdale Sep 15 73.25% 3,930 31,725 377 Provided power infrastructure for more than 150 tram stops on the Manchester Metrolink
65 Premier DecorationsFestive decorations wholesaler West London Jun 16 73.12% 7,307 38,490 80 Says it is Britain's largest purveyor of Christmas decorations
66 Net World SportsOnline sports goods retailer Wrexham Sep 16 72.60% *3,048 *11,867 62 Manufactures its own PVC football goals
67 BrintonsCarpet manufacturer Kidderminster Oct 16 72.19% †8,837 †87,666 1,796 Makes its carpets in Portugal, Poland and India — as well as in Kidderminster and Telford
68 DurbinPharmaceuticals supplier Northwest London Dec 16 72.09% *5,919 *77,012 146 Supplies developing communities with low cost, inflatable solar lights
69 Collard GroupDemolition, haulage and skip hire Eversley, Hampshire Dec 15 71.49% 4,744 26,356 161 The founder Rob Collard is a former British Touring Car race winner
70 FinnebrogueArtisan food producer County Down Aug 15 71.42% 4,644 44,910 245 Says it is becoming Marks & Spencer’s sole supplier of sausages
71 AlphaSightsBusiness information services Central London Dec 15 71.17% 14,408 48,617 269 Thirty-seven languages are spoken across its eight international offices
72 Delta GroupMarketing services provider East London Dec 15 69.99% 5,690 66,873 595 Creates 100m in-store display products every year
73 Stowell ConcreteConcrete products manufacturer Yatton, Bristol Jun 16 69.85% 4,307 25,730 72 Operates three concrete factories in Somerset and is planning a fourth in the southwest
74 MPM ProductsPet food producer Macclesfield Dec 16 69.49% *5,054 *47,382 56 Exports its premium pet food to 46 countries
75 Hollingsworth GroupCivil engineer Flintshire Apr 16 68.93% 4,816 19,178 56 Completed construction of one of the largest robotic jig foundations in the UK aerospace industry
76 Numeric FuturesTelecoms reseller Birmingham Mar 16 68.67% 4,037 21,685 8 Works with Vodafone, Colt Telecom, Virgin Media and BT
77 Frank Recruitment GroupIT recruitment consultancy Newcastle Upon Tyne Nov 16 68.56% *15,451 *127,457 810 Private equity firm TPG acquired a majority stake in April last year
78 J Browne GroupCivil engineer Enfield, Middlesex Mar 16 68.23% 3,727 35,649 153 Has extended its contract with Thames Water until 2020
79 PrincipleBrand implementation agency Huddersfield Dec 15 67.85% 5,511 99,231 396 Opened its 15th office last year, in Mumbai
80 NotemachineCash machine operator Powys Jun 16 67.76% 22,191 142,723 987 Operates 9,000 cash dispensers, including 550 in German supermarkets and shops
81 Grant WestfieldWashroom manufacturer Edinburgh Dec 15 67.56% 5,534 36,014 207 Fitted out the 'super-VIP' bathrooms at BBC Television Centre in Broadcasting House
82 Enra GroupSpecialist loan provider Borehamwood, Herts Dec 16 66.38% *18,975 *39,023 80 Its West One Loans subsidiary lent almost £400m in 2015
83 Castle ViewLeisure services manager Stirling Mar 16 66.20% 9,868 137,088 4,746 Runs more than 150 leisure facilities for 50 local authorities
84 APS GroupTomato and salad grower Cheshire Dec 15 65.66% 3,307 78,989 474 Harvests more than 20,000 tons of tomatoes every year
85 Reward GatewayEmployee engagement services Central London Jun 16 64.51% *9,693 *224,971 334 Launching a £4m fund, backing initiatives to help people get into better, safer and fairer jobs
86 FairviewHousebuilder North London Dec 15 64.39% 64,755 178,193 210 Develops brownfield sites in London and the southeast of England
87 Harvey Water SoftenersWater softener manufacturer Old Woking, Surrey Dec 15 63.35% 5,835 23,726 95 Sells water softeners that can reduce heating bills and help appliances last longer
88 J & S AccessoriesMotorcycle accessories retailer Oakmere, Cheshire Dec 15 63.08% 3,419 23,600 189 The company sold 45,092 motorcycle helmets in 2016
89 MJM GroupSpecialist joiner Newry, County Down Dec 15 62.90% 4,972 58,894 185 Completed a refit of the world’s largest cruise ship, Oasis of the Seas, in 2014
90 ActivTradesFinancial markets broker Central London Dec 15 61.44% 11,558 31,409 179 A leading provider of trading services in spread betting, forex and contracts for difference
91 Mobile Phones DirectOnline mobile phone retailer Newbury Mar 16 61.20% 6,368 79,253 96 Sells the latest smartphones from manufacturers such as Apple and Samsung
92 HillHousebuilder Waltham Abbey, Essex Dec 15 60.89% 30,759 303,840 335 In 2015 it built more than 1,500 new homes in London and the southeast of England
93 ClaranetIT services provider Central London Jun 16 60.67% 17,200 152,500 980 Expanded into Italy with a Milan-based public cloud operation in February
94 MinkyHousehold goods manufacturer Rochdale Oct 15 59.96% 4,452 39,125 337 All of its ironing boards and covers are manufactured in Lancashire
95 The Westmorland FamilyMotorway services operator Penrith, Cumbria Jun 16 59.62% 6,776 85,400 878 Its award-winning Gloucester services on the M5 is supplied by 200 local food producers
96 EndavaIT services provider Central London Jun 16 59.42% 19,937 115,432 2,533 Last year it opened a development centre in Bogota, Colombia
97 Millbrook IndustriesFurniture manufacturer Southampton Jun 16 59.22% 6,939 108,662 743 Manufactured the doors for No 10, 11 and 12 Downing Street
98 Morris LesliePlant hire business Perth Apr 16 57.35% 7,729 40,063 207 The average age of its equipment is 22 months
99 Whitehouse LeisureSoft toy distributor Basildon, Essex Dec 15 57.32% *†10,100 *†58,140 40 Holds the leisure licence to distribute Disney soft toys across the UK, Middle East and Africa
100 HavwoodsHardwood flooring specialist Lancashire Dec 15 57.25% 3,930 33,915 89 Supplies more than 1,000 variants of its wooden flooring