Startup

F

FLUX

株式会社FLUX

AI

#73 (tie) in the Japan Top 100 Startups

Founded / HQ2018 · Tokyo
Equity raised to date≥ ¥6B
“2026年ラウンド60億円”
Summed by The Raising Sun from disclosed rounds · as of 2026 · Our database
2026 round only; earlier rounds not summed.
Last round2 Jun 2026 · Series C · ¥6B
60億円
Latest public valuationNot publicly disclosed (we do not estimate)
Key investorsJIC Venture Growth Investments, Salesforce Ventures, DNX Ventures
UnicornNo

From Japanese sources

Findings from Japanese-language filings, government records, trade press, interviews and job posts, with our English analysis. Items tagged Japanese-only had no English coverage when we checked quickly. Most insightful first.

2026-05-29Trade pressJapanese-onlyFLUX takes NTT Data money and plans to double staff to 1,000+ by May 2027; monthly revenue up 3.1x
AI活用支援のFLUX、NTTデータから資金調達 社員数を1000人に倍増

FLUX's model is forward-deployed staff working on client sites, so growth is tied to headcount: ~548 people doubling to over 1,000. NTT Data, JIC, Salesforce Ventures and SOMPO joined a ¥6B Series C that included secondaries. It is an AI-consulting firm valued like software, so watch margins.

Source: Nikkei
2023-08-28Regulatory filingJapanese-onlyFLUX FY4/2023: loss ¥1.34B; 536 insured staff today
株式会社FLUX 第5期決算公告

The latest public notice is from 2023, but pension records now list 536 insured employees, a services-heavy headcount for an 'AI SaaS' company. It has not published newer accounts.

Source: 官報決算データベース (statutory notice)

Overview

FLUX helps companies plan AI strategy and build in-house capability, alongside its own AI products. It was founded in 2018 by Motoharu Nagai. Its Series C first close in May 2026 raised ¥6B through new shares and secondary transactions.

Built from: Series C release · Company

Company timeline

Founded

Date2018-05· FLUX
FoundersMotoharu Nagai

Funding

DateRoundAmountLead / key investorsSource
2019-11-08Funding¥200M
2.0億円
PR TIMES
2021-03-31Series A¥1B
総額10億円
PR TIMES
2023-06-14Series B¥4.4B
44億円
PR TIMES
2025-06-03Funding¥4.4B; cumulative ¥10B
44億円
Company release
2026-05-29Series C (first close)¥6B incl. secondary
総額60億円
Company release

Key hires & board

2026-09-18HireFLUX becomes title sponsor of TGX SERIES 2026 esports golf tour· PR TIMES

Milestones

2023-04-27ProductLaunches conversion tracking for latest Safari ITP· PR TIMES
2024-02-09AcquisitionFLUX acquires BLY PROJECT· PR TIMES
2024-05-10AcquisitionFLUX acquires Pomalo· PR TIMES
2025-06-02CorporateFLUX moves HQ to Tokyo Midtown· PR TIMES

News

2026-09-18FLUX becomes title sponsor of TGX SERIES 2026 esports golf tour
FLUX、ハイブリッドeスポーツゴルフプロツアー「TGX SERIES 2026」のオフィシャルタイトルスポンサーに就任· PR TIMES
2026-08-19Final nine speakers for JAPAN & AI SUMMIT 2026
「JAPAN & AI SUMMIT 2026 by FLUX」最終追加登壇者9名を公開· PR TIMES
2026-06-29JAPAN & AI SUMMIT 2026 session registration opens
「JAPAN & AI SUMMIT 2026 by FLUX」 6月29日(月)よりセッション申し込み開始。セッション概要や追加登壇者も公開· PR TIMES
2026-06-03JAPAN & AI SUMMIT 2026 set for 26 Aug
日本AI立国会議 「JAPAN & AI SUMMIT 2026 by FLUX」 8月26日(水)開催決定· PR TIMES
2026-05-29Series C (first close): ¥6B incl. secondary· Company release
2026-05-29Series C first close raises ¥6B via new shares and secondaries
FLUX、シリーズC ファーストクローズで総額60億円の資金調達を第三者割当増資とセカンダリー取引にて実施· PR TIMES
2025-09-29Releases FLUX Japanese LLM
最高水準の日本語性能を実現した大規模言語モデル「FLUX Japanese LLM」を公開· PR TIMES
2025-06-30NewsPicks × FLUX event on consulting in the AI era
NewsPicks×FLUX、AI時代のコンサルをテーマとするイベントを開催· PR TIMES
2025-06-30New TV ad starring Nagisa Shibuya
渋谷凪咲さん演じるFLUXの新CM「プレゼンテーション」篇が6月30日より放映開始· PR TIMES
2025-06-03Funding: ¥4.4B; cumulative ¥10B· Company release
2025-06-03FLUX raises ¥4.4B; cumulative ¥10B
FLUX、新たに44億円の資金調達を実施し、累計調達額100億円に· PR TIMES
2025-06-02FLUX moves HQ to Tokyo Midtown
FLUX、事業拡大に伴い東京ミッドタウンへ本社移転· PR TIMES
2025-06-02Corporate site renewed
株式会社FLUX、コーポレートサイトリニューアルのお知らせ· PR TIMES
2024-05-10FLUX acquires Pomalo
株式会社FLUX、Pomalo株式会社の株式取得(子会社化)に関するお知らせ· PR TIMES
2024-02-09FLUX acquires BLY PROJECT
株式会社FLUX、株式会社BLY PROJECTの株式取得(子会社化)に関するお知らせ· PR TIMES
2023-09-14Builds next-generation AI marketing platform
AI技術を活用した「次世代型マーケティングプラットフォーム」を構築· PR TIMES
2023-06-14No-code AI startup FLUX raises ¥4.4B Series B
ノーコードAIスタートアップのFLUX、44億円のシリーズB資金調達ラウンドを実施· PR TIMES
2023-04-27Launches conversion tracking for latest Safari ITP
2023年4月、SafariアップデートでITPのCookie規制がさらに強化。最新ITP対応のコンバージョン計測ソリューションをFLUXが提供開始· PR TIMES
2023-04-14CTO Edwin Li speaks at AWS Summit Tokyo
AWSを学ぶ日本最大のイベント「AWS Summit Tokyo」にFLUXのCTO Edwin Liが登壇· PR TIMES
2023-04-10FLUX speaks at Google Cloud Born Digital Summit
【イベントレポート】Google Cloud が主催する「Born Digital Summit」にFLUXが登壇· PR TIMES

See all news on the company site →

Funding rounds in 2026

Amounts are the full announced figure. Grey amounts aren't counted in equity totals. † includes debt, grants or other non-equity (hover for detail).

DateCompanyStageAmountInvestorsSector
2 Jun 2026 FFLUX Series C ¥6B JIC Venture Growth InvestmentsSalesforce VenturesDNX Ventures AI