{ "schemaVersion": "market-statistics-v1", "asOf": "2026-08-19", "source": { "dataset": "当サイト公開カタログ（PublicOffice投影）", "files": "src/data/source/offices.current.*.json", "rebuild": "npm run stats:build", "note": "公式サイト等で確認した掲載時点の税込表示価格。月額以外の周期は掲載しない。キャンペーン価格・紹介コード価格は含まない。" }, "definitions": { "units": { "brand": "運営ブランド単位。多拠点チェーンの過大加重を避ける比較に使う", "office": "拠点単位。地域の供給数に使う", "plan": "料金プラン単位。選択肢の分布に使う" }, "exclusions": [ "月額が数値で確認できないプラン（要問い合わせ等）は価格統計から除外し、除外件数を明示する", "不明値を0円・非対応へ置換しない", "登記可能プラン統計は registration=true のプランに限定する" ], "rounding": "中央値・四分位・平均は円単位へ四捨五入。構成比は0.1%単位", "regionalQuality": "n>=10: normal、5〜9: reference（参考値）、5未満: insufficient（統計値非公開）", "rankingDeduplication": "価格ランキングは1ブランド1プラン（ブランド内最安のみ）。同額はブランドID昇順" }, "snapshot": { "brandCount": 257, "officeCount": 885, "planCount": 1945, "prefectureCount": 47, "numericMonthlyPlanCount": 1549, "registrationStatus": { "known": 864, "available": 846, "unavailable": 18, "unknown": 21 }, "mailFrequencyKnownOfficeCount": 453 }, "monthlyPrice": { "plan": { "basis": "全料金プランのうち月額を数値で確認できたもの（Plan単位・用途混在）", "denominator": 1945, "excludedNonNumeric": 396, "n": 1549, "minimum": 270, "p25": 3300, "median": 7700, "p75": 13000, "maximum": 73700, "mean": 9940, "bands": [ { "key": "under-1000", "label": "1,000円未満", "count": 105, "sharePercent": 6.8 }, { "key": "1000-2999", "label": "1,000〜2,999円", "count": 236, "sharePercent": 15.2 }, { "key": "3000-4999", "label": "3,000〜4,999円", "count": 199, "sharePercent": 12.8 }, { "key": "5000-9999", "label": "5,000〜9,999円", "count": 436, "sharePercent": 28.1 }, { "key": "10000-19999", "label": "10,000〜19,999円", "count": 427, "sharePercent": 27.6 }, { "key": "20000-49999", "label": "20,000〜49,999円", "count": 121, "sharePercent": 7.8 }, { "key": "50000-plus", "label": "50,000円以上", "count": 25, "sharePercent": 1.6 } ] }, "brandCheapest": { "basis": "各ブランドの最安数値月額（Brand単位・1ブランド1値）", "denominator": 257, "excludedBrandsWithoutNumericPlan": 5, "n": 252, "minimum": 270, "p25": 3300, "median": 5500, "p75": 9790, "maximum": 40700, "mean": 7200, "bands": [ { "key": "under-1000", "label": "1,000円未満", "count": 18, "sharePercent": 7.1 }, { "key": "1000-2999", "label": "1,000〜2,999円", "count": 28, "sharePercent": 11.1 }, { "key": "3000-4999", "label": "3,000〜4,999円", "count": 49, "sharePercent": 19.4 }, { "key": "5000-9999", "label": "5,000〜9,999円", "count": 98, "sharePercent": 38.9 }, { "key": "10000-19999", "label": "10,000〜19,999円", "count": 48, "sharePercent": 19 }, { "key": "20000-49999", "label": "20,000〜49,999円", "count": 11, "sharePercent": 4.4 }, { "key": "50000-plus", "label": "50,000円以上", "count": 0, "sharePercent": 0 } ] } }, "registrationMonthlyPrice": { "plan": { "basis": "法人登記可能（registration=true）かつ月額を数値で確認できたプラン", "denominator": 1713, "excludedNonNumeric": 393, "n": 1320, "minimum": 500, "p25": 4180, "median": 8385, "p75": 14500, "maximum": 73700, "mean": 10734, "bands": [ { "key": "under-1000", "label": "1,000円未満", "count": 26, "sharePercent": 2 }, { "key": "1000-2999", "label": "1,000〜2,999円", "count": 215, "sharePercent": 16.3 }, { "key": "3000-4999", "label": "3,000〜4,999円", "count": 172, "sharePercent": 13 }, { "key": "5000-9999", "label": "5,000〜9,999円", "count": 380, "sharePercent": 28.8 }, { "key": "10000-19999", "label": "10,000〜19,999円", "count": 393, "sharePercent": 29.8 }, { "key": "20000-49999", "label": "20,000〜49,999円", "count": 109, "sharePercent": 8.3 }, { "key": "50000-plus", "label": "50,000円以上", "count": 25, "sharePercent": 1.9 } ] }, "brandCheapest": { "basis": "各ブランドの登記可能プラン最安数値月額（Brand単位・1ブランド1値）", "denominator": 257, "excludedBrandsWithoutNumericPlan": 22, "n": 235, "minimum": 500, "p25": 4310, "median": 6600, "p75": 11000, "maximum": 40700, "mean": 8214, "bands": [ { "key": "under-1000", "label": "1,000円未満", "count": 9, "sharePercent": 3.8 }, { "key": "1000-2999", "label": "1,000〜2,999円", "count": 25, "sharePercent": 10.6 }, { "key": "3000-4999", "label": "3,000〜4,999円", "count": 40, "sharePercent": 17 }, { "key": "5000-9999", "label": "5,000〜9,999円", "count": 93, "sharePercent": 39.6 }, { "key": "10000-19999", "label": "10,000〜19,999円", "count": 55, "sharePercent": 23.4 }, { "key": "20000-49999", "label": "20,000〜49,999円", "count": 13, "sharePercent": 5.5 }, { "key": "50000-plus", "label": "50,000円以上", "count": 0, "sharePercent": 0 } ] } }, "prefectures": [ { "prefecture": "東京都", "prefectureSlug": "tokyo", "officeCount": 291, "brandCount": 39, "registrationAvailableOfficeCount": 287, "monthly": { "n": 559, "quality": "normal", "minimum": 270, "p25": 2530, "median": 5280, "p75": 13100, "maximum": 73700, "mean": 10043 } }, { "prefecture": "大阪府", "prefectureSlug": "osaka", "officeCount": 105, "brandCount": 61, "registrationAvailableOfficeCount": 100, "monthly": { "n": 201, "quality": "normal", "minimum": 330, "p25": 4208, "median": 8228, "p75": 15000, "maximum": 62700, "mean": 11289 } }, { "prefecture": "神奈川県", "prefectureSlug": "kanagawa", "officeCount": 57, "brandCount": 15, "registrationAvailableOfficeCount": 55, "monthly": { "n": 85, "quality": "normal", "minimum": 550, "p25": 2200, "median": 4700, "p75": 10400, "maximum": 58960, "mean": 7863 } }, { "prefecture": "福岡県", "prefectureSlug": "fukuoka", "officeCount": 48, "brandCount": 30, "registrationAvailableOfficeCount": 47, "monthly": { "n": 78, "quality": "normal", "minimum": 660, "p25": 4538, "median": 9790, "p75": 16500, "maximum": 41360, "mean": 11655 } }, { "prefecture": "愛知県", "prefectureSlug": "aichi", "officeCount": 43, "brandCount": 18, "registrationAvailableOfficeCount": 39, "monthly": { "n": 80, "quality": "normal", "minimum": 330, "p25": 2846, "median": 6167, "p75": 13050, "maximum": 62700, "mean": 10511 } }, { "prefecture": "兵庫県", "prefectureSlug": "hyogo", "officeCount": 33, "brandCount": 28, "registrationAvailableOfficeCount": 31, "monthly": { "n": 71, "quality": "normal", "minimum": 660, "p25": 4104, "median": 6800, "p75": 10150, "maximum": 43780, "mean": 8336 } }, { "prefecture": "京都府", "prefectureSlug": "kyoto", "officeCount": 28, "brandCount": 24, "registrationAvailableOfficeCount": 26, "monthly": { "n": 54, "quality": "normal", "minimum": 550, "p25": 3438, "median": 5500, "p75": 12925, "maximum": 33000, "mean": 9236 } }, { "prefecture": "沖縄県", "prefectureSlug": "okinawa", "officeCount": 23, "brandCount": 18, "registrationAvailableOfficeCount": 22, "monthly": { "n": 31, "quality": "normal", "minimum": 328, "p25": 5250, "median": 8800, "p75": 12100, "maximum": 23100, "mean": 9287 } }, { "prefecture": "千葉県", "prefectureSlug": "chiba", "officeCount": 17, "brandCount": 12, "registrationAvailableOfficeCount": 13, "monthly": { "n": 28, "quality": "normal", "minimum": 2200, "p25": 5913, "median": 9400, "p75": 11000, "maximum": 27500, "mean": 10263 } }, { "prefecture": "広島県", "prefectureSlug": "hiroshima", "officeCount": 16, "brandCount": 13, "registrationAvailableOfficeCount": 15, "monthly": { "n": 23, "quality": "normal", "minimum": 880, "p25": 5500, "median": 9790, "p75": 15500, "maximum": 33000, "mean": 11112 } }, { "prefecture": "埼玉県", "prefectureSlug": "saitama", "officeCount": 15, "brandCount": 10, "registrationAvailableOfficeCount": 14, "monthly": { "n": 30, "quality": "normal", "minimum": 770, "p25": 4180, "median": 6600, "p75": 12500, "maximum": 20600, "mean": 8708 } }, { "prefecture": "北海道", "prefectureSlug": "hokkaido", "officeCount": 13, "brandCount": 9, "registrationAvailableOfficeCount": 12, "monthly": { "n": 32, "quality": "normal", "minimum": 328, "p25": 4648, "median": 9350, "p75": 11500, "maximum": 20600, "mean": 8492 } }, { "prefecture": "群馬県", "prefectureSlug": "gunma", "officeCount": 11, "brandCount": 8, "registrationAvailableOfficeCount": 10, "monthly": { "n": 12, "quality": "normal", "minimum": 3000, "p25": 3850, "median": 4125, "p75": 4963, "maximum": 11900, "mean": 4913 } }, { "prefecture": "栃木県", "prefectureSlug": "tochigi", "officeCount": 11, "brandCount": 8, "registrationAvailableOfficeCount": 11, "monthly": { "n": 14, 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12125, "maximum": 16500, "mean": 8786 } }, { "prefecture": "福井県", "prefectureSlug": "fukui", "officeCount": 6, "brandCount": 4, "registrationAvailableOfficeCount": 6, "monthly": { "n": 6, "quality": "reference", "minimum": 7700, "p25": 11000, "median": 13000, "p75": 15000, "maximum": 15000, "mean": 12450 } }, { "prefecture": "福島県", "prefectureSlug": "fukushima", "officeCount": 6, "brandCount": 6, "registrationAvailableOfficeCount": 6, "monthly": { "n": 8, "quality": "reference", "minimum": 4290, "p25": 6325, "median": 8300, "p75": 11475, "maximum": 16500, "mean": 9199 } }, { "prefecture": "宮崎県", "prefectureSlug": "miyazaki", "officeCount": 6, "brandCount": 6, "registrationAvailableOfficeCount": 6, "monthly": { "n": 7, "quality": "reference", "minimum": 4290, "p25": 4925, "median": 5500, "p75": 8525, "maximum": 10500, "mean": 6741 } }, { "prefecture": "石川県", "prefectureSlug": "ishikawa", "officeCount": 5, "brandCount": 4, "registrationAvailableOfficeCount": 5, "monthly": { "n": 9, 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} }, { "prefecture": "秋田県", "prefectureSlug": "akita", "officeCount": 3, "brandCount": 3, "registrationAvailableOfficeCount": 3, "monthly": { "n": 3, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } }, { "prefecture": "青森県", "prefectureSlug": "aomori", "officeCount": 3, "brandCount": 2, "registrationAvailableOfficeCount": 3, "monthly": { "n": 3, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } }, { "prefecture": "高知県", "prefectureSlug": "kochi", "officeCount": 3, "brandCount": 3, "registrationAvailableOfficeCount": 3, "monthly": { "n": 5, "quality": "reference", "minimum": 4400, "p25": 5500, "median": 9680, "p75": 11000, "maximum": 16500, "mean": 9416 } }, { "prefecture": "島根県", "prefectureSlug": "shimane", "officeCount": 3, "brandCount": 3, "registrationAvailableOfficeCount": 3, "monthly": { "n": 3, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } }, { "prefecture": "徳島県", "prefectureSlug": "tokushima", "officeCount": 3, "brandCount": 3, "registrationAvailableOfficeCount": 3, "monthly": { "n": 6, "quality": "reference", "minimum": 4290, "p25": 7150, "median": 12650, "p75": 15675, "maximum": 18150, "mean": 11623 } }, { "prefecture": "和歌山県", "prefectureSlug": "wakayama", "officeCount": 3, "brandCount": 3, "registrationAvailableOfficeCount": 3, "monthly": { "n": 5, "quality": "reference", "minimum": 5500, "p25": 5500, "median": 9790, "p75": 9900, "maximum": 11000, "mean": 8338 } }, { "prefecture": "佐賀県", "prefectureSlug": "saga", "officeCount": 2, "brandCount": 2, "registrationAvailableOfficeCount": 2, "monthly": { "n": 2, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } }, { "prefecture": "滋賀県", "prefectureSlug": "shiga", "officeCount": 2, "brandCount": 2, "registrationAvailableOfficeCount": 2, "monthly": { "n": 3, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } }, { "prefecture": "鳥取県", "prefectureSlug": "tottori", "officeCount": 2, "brandCount": 2, "registrationAvailableOfficeCount": 2, "monthly": { "n": 2, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } }, { "prefecture": "山梨県", "prefectureSlug": "yamanashi", "officeCount": 2, "brandCount": 2, "registrationAvailableOfficeCount": 1, "monthly": { "n": 3, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } }, { "prefecture": "山口県", "prefectureSlug": "yamaguchi", "officeCount": 1, "brandCount": 1, "registrationAvailableOfficeCount": 1, "monthly": { "n": 2, "quality": "insufficient", "minimum": null, "p25": null, "median": null, "p75": null, "maximum": null, "mean": null } } ], "rankings": { "limit": 10, "brandsByOfficeCount": [ { "rank": 1, "brandId": "regus", "brandName": "リージャス", "officeCount": 112, "prefectureCount": 32 }, { "rank": 2, "brandId": "karigo", "brandName": "Karigo", "officeCount": 60, "prefectureCount": 20 }, { "rank": 3, "brandId": "openoffice", "brandName": "オープンオフィス", "officeCount": 57, "prefectureCount": 20 }, { "rank": 4, "brandId": "thehub", "brandName": "THE HUB", "officeCount": 51, "prefectureCount": 5 }, { "rank": 5, "brandId": "onestopbc", "brandName": "ワンストップビジネスセンター", "officeCount": 50, "prefectureCount": 18 }, { "rank": 6, "brandId": "kase", "brandName": "加瀬のバーチャルオフィス", "officeCount": 38, "prefectureCount": 4 }, { "rank": 7, "brandId": "servcorp", "brandName": "サーブコープ", "officeCount": 28, "prefectureCount": 5 }, { "rank": 8, "brandId": "gmo", "brandName": "GMOオフィスサポート", "officeCount": 22, "prefectureCount": 8 }, { "rank": 9, "brandId": "entresalon", "brandName": "アントレサロン", "officeCount": 21, "prefectureCount": 3 }, { "rank": 10, "brandId": "dmmvo", 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