{"source":"Breaknorm","page":"https://breaknorm.co/market/manufacturing_industry/windows_doors_and_precast_concrete/gb","license":"https://breaknorm.co/terms","vertical":"manufacturing_industry","subvertical":"windows_doors_and_precast_concrete","country":"GB","companies":4724,"by_leaf":[["window_and_door_manufacturers",1716],["aluminium_systems_manufacturers",807],["timber_joinery_manufacturers",719],["stone_fabrication",553],["ready_mix_concrete_suppliers",430],["precast_concrete_manufacturers",322],["other_building_products_manufacturing",184],["glass_processing_and_units",125],["art_glass_and_leaded_glazing",73],["custom_furniture_makers",67],["custom_metal_fabrication_and_installation",60],["ornamental_ironwork_and_gates",60],["natural_stone_processing_supply",48],["concrete_and_mortar_products",42],["roofing_and_cladding_products_manufacturers",40],["other_windows_doors_and_precast_concrete",38],["staircase_manufacturers",32],["brick_and_clay_roof_tile_manufacturers",29],["flooring_manufacturers",28],["metal_products_manufacturers",24]],"by_headcount":[["2-10",3160],["11-50",940],["51-200",310],["0-1",226],["201-500",60],["1001-5000",14],["501-1000",12],["10001+",1],["5001-10000",1]],"by_city":[["London",77],["Birmingham",39],["Bristol",32],["Ashton-under-Lyne",26],["Glasgow",22],["Leicester",21],["Leeds",19],["Rode",19],["Liverpool",18],["Bradford",17],["Coventry",14],["Stonebridge",14]],"hiring":{"companies":35,"new_30d":5,"by_headcount":[["51-200",21],["201-500",7],["11-50",4],["1001-5000",2],["2-10",1]]},"tech":[["microsoft_365",1598],["cloudflare",811],["microsoft_teams",555],["google_workspace",455],["microsoft_entra_id",424],["microsoft_intune",420],["mailchimp",304],["godaddy",259],["facebook_pixel",225],["sendgrid",149]],"top_note":"The largest companies of the segment, by headcount; job boards and portals left out.","top":[{"domain":"encirc360.com","name":"Encirc","country":"GB","city":"Avonmouth","headcount":"1001-5000","leaf":"plastic_packaging_manufacturing","summary":"Encirc is a container glass manufacturer that produces container glass, filling and logistics as part of a full 360 beverage supply chain solution."},{"domain":"emplas.co.uk","name":"Emplas","country":"GB","city":"Wellingborough","headcount":"201-500","leaf":"window_and_door_manufacturers","summary":"Emplas is a window and door fabricator that manufactures and supplies trade windows and doors for newbuild and specification sectors."},{"domain":"glazeritewindows.co.uk","name":"Glazerite","country":"GB","city":"Wellingborough","headcount":"201-500","leaf":"window_and_door_manufacturers","summary":"Glazerite is a manufacturer that produces windows, doors and conservatories for homeowners, trade and commercial customers."},{"domain":"mbhplc.co.uk","name":"Michelmersh Brick Holdings PLC","country":"GB","city":"Slaugham","headcount":"201-500","leaf":"brick_and_clay_roof_tile_manufacturers","summary":"Michelmersh Brick Holdings PLC is a UK brick manufacturer that produces clay bricks, pavers, special shaped bricks and prefabricated brick components."},{"domain":"optimasystems.com","name":"Optima Systems","country":"GB","city":"Wycombe Marsh","headcount":"201-500","leaf":"glass_processing_and_units","summary":"Optima Systems is an international manufacturer of glass partitioning systems that designs, specifies, installs and services glass partitions for office, commer."}],"as_of":"2026-11-04","updated_at":"2026-11-03","hash":"ba63c915caf95507","index_tier":2}