| Chiffre d'affaires | £1 523 511 | £2 618 572 | £2 304 561 | £2 736 409 | £3 537 741 | £3 849 724 | £6 566 208 | £7 818 459 | £6 052 271 |
| Bénéfice / (perte) | £224 324 | £301 136 | £201 625 | £534 622 | £764 527 | £1 093 984 | £2 382 663 | £2 612 892 | £1 365 315 |
| Marge brute | £895 712 | £1 297 026 | £1 081 485 | £1 404 842 | £2 005 255 | £2 299 527 | £4 476 303 | £5 372 048 | £3 661 632 |
| Bénéfice d'exploitation | £237 317 | £388 219 | £261 736 | £484 114 | £896 128 | £1 299 948 | £2 897 758 | £3 148 876 | £1 496 209 |
| Autres revenus | — | £123 | £24 | £249 | £897 | £603 | £150 | £3 268 | £15 688 |
| Total des actifs | £292 001 | £448 046 | £438 168 | £751 211 | £1 263 877 | £1 794 286 | £3 726 949 | £3 570 674 | £4 935 989 |
| Net Assets Liabilities | — | £587 947 | £578 069 | £891 112 | £1 373 811 | £1 904 220 | £3 776 949 | £3 620 674 | £4 985 989 |
| Equity | — | £448 046 | £438 168 | £751 211 | £1 263 877 | £1 794 286 | £3 726 949 | £3 570 674 | £4 935 989 |
| Current Assets | £817 683 | £1 214 088 | £1 161 207 | £1 616 970 | £2 165 786 | £2 990 709 | £5 394 817 | £4 660 678 | £5 543 269 |
| Net Current Assets Liabilities | £233 683 | £350 769 | £326 589 | £646 370 | £1 268 212 | £1 567 725 | £3 350 529 | £2 931 634 | £4 109 097 |
| Total Assets Less Current Liabilities | £295 347 | £621 268 | £618 456 | £980 497 | £1 652 314 | £2 143 314 | £4 129 307 | £3 844 888 | £5 262 933 |
| Cash Bank On Hand | — | £398 285 | £385 004 | £586 407 | £822 630 | £1 616 406 | £2 892 707 | £1 733 622 | £1 656 845 |
| Debtors | £442 648 | £381 411 | £246 158 | £481 561 | £765 335 | £642 231 | £1 433 136 | £1 442 064 | £2 075 228 |
| Creditors | — | £863 319 | £834 618 | £38 256 | £215 655 | £143 796 | £216 009 | £1 729 044 | £1 434 172 |
| Trade Creditors Trade Payables | — | £48 728 | £66 692 | £145 782 | £76 884 | £191 296 | £151 470 | £164 579 | £201 496 |
| Other Creditors | £138 753 | £376 575 | £384 461 | £586 215 | £444 104 | £616 176 | £889 016 | £736 115 | £835 673 |
| Number Shares Allotted | 89 901 | — | — | — | — | — | — | — | — |
| Number Shares Issued Fully Paid | — | 89 901 | 89 901 | 59 934 | 59 934 | 59 934 | 50 000 | 50 000 | 50 000 |
| Par Value Share | £1 | £1 | £1 | £1 | £1 | £1 | £1 | £1 | £1 |
| Average Number Employees During Period | — | 74 | 58 | 61 | 67 | 71 | 80 | 86 | 78 |
| Frais administratifs | £658 395 | £908 807 | £819 749 | £920 728 | £1 109 127 | £1 140 508 | £1 584 939 | £2 223 172 | £2 165 423 |
| Accruals Deferred Income Within One Year | £10 018 | — | — | — | — | — | — | — | — |
| Accrued Liabilities Deferred Income | — | £20 752 | £18 076 | £26 033 | £35 277 | £43 923 | £71 500 | £92 030 | £44 899 |
| Accumulated Amortisation Impairment Intangible Assets | — | — | — | — | — | — | £3 250 | £9 914 | £24 351 |
| Accumulated Depreciation Impairment Property Plant Equipment | — | £117 538 | £69 561 | £65 779 | £71 139 | £110 219 | £159 273 | £210 677 | £231 960 |
| Additions Other Than Through Business Combinations Property Plant Equipment | — | £47 849 | £57 328 | £63 614 | £212 255 | £242 269 | £185 021 | £263 018 | £258 021 |
| Adjustment For Prior Periods Leading To An Increase Decrease In Tax Charge | £-87 | — | — | — | — | — | — | — | — |
| Administration Support Average Number Employees | — | 25 | 21 | 20 | 22 | 25 | 26 | 28 | 33 |
| Aggregate Dividends Paid In Financial Year | £126 000 | — | — | — | — | — | — | — | — |
| Amortisation Expense Intangible Assets | — | — | — | — | — | — | £3 250 | £3 250 | £6 664 |
| Amounts Owed By Directors | — | — | — | — | — | £362 750 | £362 750 | — | — |
| Amounts Owed By Group Undertakings Other Participating Interests | £167 810 | — | — | — | — | — | — | — | — |
| Amounts Owed By Group Undertakings Participating Interests | — | — | — | £186 083 | £186 083 | £48 391 | £48 391 | £359 224 | £1 539 833 |
| Amounts Owed To Group Undertakings Participating Interests | — | — | — | — | £31 826 | £31 826 | £28 203 | — | — |
| Amount Specific Advance Or Credit Directors | — | — | — | — | — | £79 333 | £79 333 | — | — |
| Amount Specific Advance Or Credit Made In Period Directors | — | — | — | — | — | £79 333 | — | — | — |
| Amount Specific Advance Or Credit Repaid In Period Directors | — | — | — | — | — | — | £79 333 | — | — |
| Applicable Tax Rate | — | £0 | £0 | £0 | £0 | £0 | £0 | £0 | £0 |
| Audit Fees Expenses | £6 000 | £8 000 | £8 000 | £8 000 | £6 500 | £8 485 | £7 650 | £12 000 | £12 000 |
| Bank Borrowings | — | — | £38 256 | £38 256 | £26 653 | £14 248 | £1 097 | — | — |
| Bank Borrowings Overdrafts | £105 020 | — | £146 551 | £116 917 | £38 454 | £26 516 | £14 046 | — | — |
| Bank Overdrafts | £149 692 | £172 092 | £142 395 | £67 091 | — | — | — | — | — |
| Business Divestiture Decrease In Amortisation Impairment Intangible Assets | — | — | — | — | — | — | — | — | £9 636 |
| Called Up Share Capital | £139 901 | — | — | — | — | — | — | — | — |
| Capital Allowances In Excess Depreciation Leading To Decrease Increase In Tax | £-1 339 | — | — | — | — | — | — | — | — |
| Carrying Amount Property Plant Equipment With Restricted Title | — | — | — | — | — | — | £36 847 | £26 319 | £33 743 |
| Cash Bank In Hand | £139 460 | — | — | — | — | — | — | — | — |
| Commitments Under Non-cancellable Operating Leases Land Buildings | £20 500 | — | — | — | — | — | — | — | — |
| Commitments Under Non-cancellable Operating Leases Other Items | £31 104 | — | — | — | — | — | — | — | — |
| Company Contributions To Money Purchase Plans Directors | — | — | — | £825 | £825 | £1 080 | £1 448 | £4 673 | £6 542 |
| Corporation Tax Due Within One Year | £79 705 | — | — | — | — | — | — | — | — |
| Corporation Tax Payable | — | £69 348 | £40 641 | £30 539 | £96 749 | £147 749 | £427 210 | £394 550 | £94 387 |
| Cost Sales | £627 799 | £1 321 546 | £1 223 076 | £1 331 567 | £1 532 486 | £1 550 197 | £2 089 905 | £2 446 411 | £2 390 639 |
| Creditors Due Within One Year | £584 000 | — | — | — | — | — | — | — | — |
| Current Tax For Period | — | £69 348 | £40 641 | £30 539 | £96 749 | £147 749 | £427 210 | £394 549 | £94 387 |
| Decrease Increase In Net Debt During Period | £-8 046 | — | — | — | — | — | — | — | — |
| Deferred Tax Expense Credit Relating To Changes In Tax Rates Or Laws | — | — | — | — | — | — | £43 058 | £43 058 | — |
| Deferred Tax Expense Credit Relating To Origination Reversal Timing Differences | — | £4 140 | £7 066 | £10 742 | £11 719 | £32 450 | £41 051 | £29 133 | £55 067 |
| Deferred Tax Liabilities | — | £33 321 | £40 387 | £51 129 | £62 848 | £95 298 | £136 349 | £208 540 | £263 607 |
| Depreciation Expense Property Plant Equipment | — | £54 120 | £26 481 | £15 068 | £13 639 | £5 265 | £5 265 | £10 528 | £10 528 |
| Depreciation Impairment Reversal Tangible Fixed Assets | £37 112 | — | — | — | — | — | — | — | — |
| Difference Between Accumulated Depreciation Amortisation Capital Allowances | £3 346 | — | — | — | — | — | — | — | — |
| Director Remuneration | £75 950 | £47 250 | £40 000 | £40 000 | £30 000 | £37 505 | £49 720 | £168 840 | £167 013 |
| Director Remuneration Benefits Including Payments To Third Parties | — | — | — | £40 000 | £30 825 | £38 585 | £51 168 | £173 513 | £173 555 |
| Dividend Recommended By Directors | — | £211 503 | £221 579 | £251 861 | £563 575 | £450 000 | £2 769 167 | — | — |
| Dividends Paid | — | £201 836 | £211 503 | £221 579 | £251 861 | £563 575 | £450 000 | £2 769 167 | — |
| Dividends Paid Classified As Financing Activities | — | £201 836 | £211 503 | £221 579 | £251 861 | £563 575 | £450 000 | £2 769 167 | — |
| Expenses Not Deductible For Tax Purposes | £-533 | — | — | — | — | — | — | — | — |
| Finance Lease Liabilities Present Value Total | — | — | — | £256 801 | £256 801 | £218 880 | £408 562 | £37 356 | £34 139 |
| Fixed Assets | — | — | — | £334 127 | £384 102 | £575 589 | £778 778 | £913 254 | £1 153 836 |
| Further Item Interest Expense Component Total Interest Expense | — | — | — | — | — | — | £2 047 | £2 047 | £5 028 |
| Future Minimum Lease Payments Under Non-cancellable Operating Leases | — | £45 592 | £19 407 | £9 263 | £6 542 | £35 972 | £26 485 | £18 425 | £10 580 |
| Gross Profit Loss | £895 712 | £1 297 026 | £1 081 485 | £1 404 842 | £2 005 255 | £2 299 527 | £4 476 303 | £5 372 048 | £3 661 632 |
| Income Taxes Paid Refund Classified As Operating Activities | — | £-69 750 | £-69 348 | £67 475 | £-30 539 | £-96 749 | £-147 749 | £-414 442 | £-386 650 |
| Increase Decrease In Cash Cash Equivalents Before Foreign Exchange Differences Changes In Consolidation | — | £17 833 | £16 416 | £276 707 | £303 314 | £793 776 | £1 276 301 | £-1 159 085 | £-76 777 |
| Increase Decrease In Current Tax From Adjustment For Prior Periods | — | — | £-108 116 | £-108 116 | — | — | £-12 767 | £-12 767 | £-7 900 |
| Increase Decrease In Deferred Tax Liability From Amount Recognised In Profit Or Loss | — | £4 140 | £7 066 | £10 742 | £11 719 | £32 450 | £41 051 | £72 191 | £55 067 |
| Increase Decrease In Net Cash For Period | £100 023 | — | — | — | — | — | — | — | — |
| Increase Decrease In U K Corporation Tax Arising From Adjustment For Prior Periods | £-87 | — | — | — | — | — | — | — | — |
| Increase From Amortisation Charge For Year Intangible Assets | — | — | — | — | — | — | £3 250 | £6 664 | £4 801 |
| Increase From Depreciation Charge For Year Property Plant Equipment | — | £26 481 | £15 068 | £13 639 | £23 268 | £39 080 | £49 054 | £51 404 | £30 919 |
| Intangible Assets | — | — | — | £30 000 | £30 000 | £32 500 | £32 500 | £31 009 | £59 977 |
| Intangible Assets Gross Cost | — | — | — | £30 000 | £32 500 | £32 500 | £34 259 | £69 891 | £108 713 |
| Interest Expense On Bank Overdrafts Bank Loans Similar Borrowings | — | £13 718 | £12 428 | £16 576 | £24 030 | £26 368 | £46 984 | £83 232 | — |
| Interest Paid Classified As Operating Activities | — | £13 718 | £12 428 | £16 576 | £24 030 | £26 368 | £46 984 | £85 279 | £5 028 |
| Interest Payable Similar Charges | £5 832 | — | — | — | — | — | — | — | — |
| Interest Payable Similar Charges Finance Costs | — | £13 718 | £12 428 | £16 576 | £24 030 | £26 368 | £46 984 | £85 279 | £5 028 |
| Interest Received Classified As Operating Activities | — | £123 | £24 | £249 | £897 | £603 | £150 | £3 268 | £15 688 |
| Land Buildings Operating Leases Expiring Between Two Five Years | £20 500 | — | — | — | — | — | — | — | — |
| Loans From Directors | £40 000 | £20 000 | £46 000 | £7 000 | — | — | — | — | — |
| Net Assets Liabilities Including Pension Asset Liability | £292 001 | — | — | — | — | — | — | — | — |
| Net Cash Flows From Used In Financing Activities | — | £-208 846 | £-192 149 | £-268 393 | £-43 399 | £-613 434 | £-332 722 | £-3 154 419 | £-3 217 |
| Net Cash Flows From Used In Investing Activities | — | £-60 774 | £-47 849 | £-57 328 | £-63 614 | £-214 755 | £-242 269 | £-186 780 | £-298 650 |
| Net Cash Flows From Used In Operating Activities | — | £287 453 | £256 414 | £602 428 | £410 327 | £1 621 965 | £1 851 292 | £2 182 114 | £225 090 |
| Net Cash Generated From Operations | — | £370 798 | £338 166 | £551 280 | £463 999 | £1 744 479 | £2 045 875 | £2 678 567 | £601 080 |
| Net Debt Funds | £5 560 | — | — | — | — | — | — | — | — |
| Nominal Value Allotted Share Capital | — | £139 901 | £139 901 | £139 901 | £109 934 | £109 934 | £50 000 | £50 000 | £50 000 |
| Number Directors Accruing Benefits Under Money Purchase Scheme | — | £1 | £1 | £3 | £3 | £3 | £5 | £5 | £5 |
| Operating Profit Loss | £237 317 | £388 219 | £261 736 | £484 114 | £896 128 | £1 299 948 | £2 897 758 | £3 148 876 | £1 496 209 |
| Other Disposals Decrease In Depreciation Impairment Property Plant Equipment | — | £10 392 | £63 045 | £17 421 | £17 908 | — | — | — | £9 636 |
| Other Disposals Property Plant Equipment | — | £10 392 | £63 045 | £47 421 | £17 908 | — | — | — | — |
| Other Finance Charges | £252 | — | — | — | — | — | — | — | — |
| Other Interest Receivable Similar Income | £299 | — | — | — | — | — | — | — | — |
| Other Interest Receivable Similar Income Finance Income | — | £123 | £24 | £249 | £897 | £603 | £150 | £3 268 | £15 688 |
| Other Operating Income Format1 | — | — | — | — | £140 929 | £140 929 | £6 394 | — | — |
| Other Operating Leases Expiring Between Two Five Years | £23 466 | — | — | — | — | — | — | — | — |
| Other Operating Leases Expiring Within One Year | £7 638 | — | — | — | — | — | — | — | — |
| Other Remaining Borrowings | — | £64 286 | £57 640 | — | — | — | — | — | — |
| Other Taxation Social Security Payable | — | £91 538 | £78 713 | £96 370 | £164 960 | £290 414 | £270 290 | £320 088 | £236 915 |
| Other Taxation Social Security Within One Year | £81 577 | — | — | — | — | — | — | — | — |
| Payments Finance Lease Liabilities Classified As Financing Activities | — | — | — | £-256 801 | £-256 801 | £37 921 | £-189 682 | £371 206 | £3 217 |
| Payments To Redeem Own Shares | — | — | — | £29 967 | £29 967 | £59 934 | £59 934 | — | — |
| Pension Costs | £640 | — | — | — | — | — | — | — | — |
| Pension Other Post-employment Benefit Costs Other Pension Costs | — | £18 644 | £17 055 | £17 320 | £25 751 | £33 558 | £36 723 | £54 624 | £60 550 |
| Prepayments Accrued Income | — | £155 371 | £66 383 | £95 724 | £56 076 | £47 916 | £88 939 | £98 561 | £85 124 |
| Prepayments Accrued Income Current Asset | £118 148 | — | — | — | — | — | — | — | — |
| Proceeds From Borrowings Classified As Financing Activities | — | £69 750 | £69 348 | £60 000 | £300 000 | — | — | — | — |
| Proceeds From Sales Intangible Assets | — | — | — | — | — | — | — | — | £9 636 |
| Proceeds From Sales Property Plant Equipment | — | — | — | £30 000 | £30 000 | — | — | — | £-9 636 |
| Production Average Number Employees | — | 49 | 37 | 41 | 45 | 46 | 54 | 58 | 45 |
| Profit Loss Account Reserve | £224 324 | — | — | — | — | — | — | — | — |
| Profit Loss For Period | £240 224 | — | — | — | — | — | — | — | — |
| Profit Loss On Ordinary Activities Before Tax | £231 784 | £374 624 | £249 332 | £467 787 | £872 995 | £1 274 183 | £2 850 924 | £3 066 865 | £1 506 869 |
| Property Plant Equipment | — | £270 499 | £291 867 | £334 127 | £354 102 | £543 089 | £746 278 | £882 245 | £1 093 859 |
| Property Plant Equipment Gross Cost | — | £409 405 | £403 688 | £419 881 | £614 228 | £856 497 | £1 041 518 | £1 304 536 | £1 562 557 |
| Provisions Charged Credited To Profit Loss Account During Period | £-1 218 | — | — | — | — | — | — | — | — |
| Provisions For Liabilities Charges | £3 346 | — | — | — | — | — | — | — | — |
| Purchase Intangible Assets | — | — | — | £30 000 | £30 000 | £2 500 | £1 759 | £1 759 | £35 632 |
| Purchase Property Plant Equipment | — | £60 774 | £47 849 | £57 328 | £63 614 | £212 255 | £242 269 | £185 021 | £263 018 |
| Redemption Shares Decrease In Equity | — | — | — | £29 967 | £29 967 | £59 934 | £59 934 | — | — |
| Repayments Borrowings Classified As Financing Activities | — | £76 760 | £49 994 | £106 814 | £318 372 | £11 938 | £12 470 | £14 046 | — |
| Revenue From Sale Goods | — | £2 618 572 | £2 304 561 | £2 736 409 | £3 537 741 | £3 849 724 | £6 566 208 | £7 818 459 | £6 052 271 |
| Share Capital Allotted Called Up Paid | £139 901 | — | — | — | — | — | — | — | — |
| Shareholder Funds | £292 001 | — | — | — | — | — | — | — | — |
| Social Security Costs | £56 681 | — | — | £78 417 | £88 359 | £94 981 | £128 497 | £210 076 | £220 114 |
| Staff Costs | £755 191 | — | — | — | — | — | — | — | — |
| Staff Costs Employee Benefits Expense | — | £1 231 601 | £1 108 880 | £1 142 534 | £1 288 271 | £1 262 131 | £1 692 157 | £2 341 936 | £2 476 047 |
| Standard Nominal Tax Rate | £0 | — | — | — | — | — | — | — | — |
| Stocks Inventory | £235 575 | — | — | — | — | — | — | — | — |
| Tangible Fixed Assets | £61 664 | — | — | — | — | — | — | — | — |
| Tangible Fixed Assets Additions | £239 355 | — | — | — | — | — | — | — | — |
| Tangible Fixed Assets Cost Or Valuation | £310 044 | — | — | — | — | — | — | — | — |
| Tangible Fixed Assets Depreciation | £61 736 | — | — | — | — | — | — | — | — |
| Tangible Fixed Assets Depreciation Charged In Period | £52 711 | — | — | — | — | — | — | — | — |
| Tangible Fixed Assets Depreciation Decrease Increase On Disposals | £96 942 | — | — | — | — | — | — | — | — |
| Tangible Fixed Assets Disposals | £96 942 | — | — | — | — | — | — | — | — |
| Taxation Expense Credit | £26 754 | — | — | — | — | — | — | — | — |
| Taxation Including Deferred Taxation Balance Sheet Subtotal | — | £33 321 | £40 387 | £51 129 | £62 848 | £95 298 | £136 349 | £208 540 | £263 607 |
| Tax Expense Credit Applicable Tax Rate | — | £74 925 | £47 996 | £88 880 | £165 869 | £242 095 | £541 676 | £582 704 | £354 416 |
| Tax Increase Decrease From Effect Adjustment In Research Development Tax Credit | — | — | £-47 937 | £-47 937 | £-57 460 | £-60 701 | £-67 589 | £-80 357 | £-108 714 |
| Tax Increase Decrease From Effect Capital Allowances Depreciation | — | £-5 577 | £-7 465 | £-10 742 | £-11 719 | £-32 450 | £-50 745 | £-28 664 | £-49 402 |
| Tax Increase Decrease From Effect Expenses Not Deductible For Tax Purposes Other Than Goodwill Amortisation Impairment | — | £110 | £110 | £338 | £59 | £-1 195 | £3 868 | £-79 134 | £-101 913 |
| Tax On Group Profit On Ordinary Activities Standard U K Tax Rate | £50 992 | — | — | — | — | — | — | — | — |
| Tax On Profit Or Loss On Ordinary Activities | £51 646 | — | — | — | — | — | — | — | — |
| Tax Tax Credit On Profit Or Loss On Ordinary Activities | — | £73 488 | £47 707 | £-66 835 | £108 468 | £180 199 | £468 261 | £453 973 | £141 554 |
| Total Additions Including From Business Combinations Intangible Assets | — | — | — | £30 000 | £2 500 | — | £1 759 | £35 632 | £38 822 |
| Total Current Tax Expense Credit | — | £69 348 | £40 641 | £-77 577 | £96 749 | £147 749 | £427 210 | £381 782 | £86 487 |
| Total Deferred Tax Expense Credit | — | — | — | — | — | — | £41 051 | £72 191 | — |
| Total Dividend Payment | £126 000 | — | — | — | — | — | — | — | — |
| Total Inventories | — | £434 392 | £530 045 | £549 002 | £577 821 | £732 072 | £1 068 974 | £1 484 992 | £1 811 196 |
| Total Operating Lease Payments | — | £78 760 | £78 760 | £80 243 | £82 960 | £93 375 | £118 679 | £140 409 | £150 057 |
| Trade Creditors Within One Year | £128 927 | — | — | — | — | — | — | — | — |
| Trade Debtors | £156 690 | — | — | — | — | — | — | — | — |
| Trade Debtors Trade Receivables | — | £226 040 | £179 775 | £385 837 | £523 176 | £594 315 | £933 056 | £984 279 | £450 271 |
| Turnover Gross Operating Revenue | £1 523 511 | — | — | — | — | — | — | — | — |
| Turnover Revenue | — | £2 618 572 | £2 304 561 | £2 736 409 | £3 537 741 | £3 849 724 | £6 566 208 | £7 818 459 | £6 052 271 |
| U K Current Corporation Tax | £52 864 | — | — | — | — | — | — | — | — |
| U K Current Corporation Tax On Income For Period | £52 864 | — | — | — | — | — | — | — | — |
| Undiscounted Provision For Deferred Taxation | £3 346 | — | — | — | — | — | — | — | — |
| Wages Salaries | £697 870 | £1 212 957 | £1 091 825 | £1 046 797 | £1 174 161 | £1 274 521 | £1 533 331 | £2 077 236 | £2 195 383 |
| Work In Progress | — | £434 392 | £530 045 | £549 002 | £577 821 | £732 072 | £1 068 974 | £1 484 992 | £1 811 196 |
