Everyleaf

Name

Everyleaf

Legal name

株式会社万葉

Website

https://everyleaf.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

11–50 employees

Short description

Everyleaf (株式会社万葉) is a Japanese professional services firm offering Ruby on Rails contracted development, embedded consulting, team building, and AI adoption services to Japanese companies. Founded in 2007 and based in Tokyo.

Ownership category

akta.pro rank

Product category

Software Development Consulting

NAICS

Management Consulting Services (54161), Management, Scientific, and Technical Consulting Services (5416), Professional, Scientific, and Technical Services (54)

SIC

Services-Management Consulting Services (8742), Services-Management Services (8741), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Mobile, Web & UI Engineering (Frontend, Backend, APIs, Mobile) (EDABAFAM)

akta.pro secondary industries

Foundational PM & Delivery Methods (Waterfall/Agile/Hybrid) (EDABAHAA), Scaled Agile & Enterprise Product Delivery (SAFe/LeSS/Nexus) (EDABAHAJ)

Keywords

• Ruby on Rails development
• AI utilization consulting
• Code review services
• Development team building
• Contracted software development

Headquarters

HQ city

Toshima

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Others

Revenue model

1. Contracted Development (受託開発): Custom system development using Ruby and Ruby on Rails for client projects. This is the primary revenue stream for the company.
2. Development Support and Consulting (開発支援・コンサル): Engaging as development team members at client companies, providing advisory services for AI adoption, code reviews, and team member education.
3. Development Team Building (開発チーム作り): Services to help companies establish in-house development teams and accelerate the growth of junior team members.
4. AI Utilization Services (AI活用): Setting up AI utilization systems and providing training on AI usage for development team members.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Everyleaf (株式会社万葉) is a Japanese technology services firm that provides contracted Ruby and Ruby on Rails system development, embedded development support and consulting (including AI adoption, code reviews, and engineer education), in-house development team building, and AI utilization setup and training. The company operates an "Agentic Development" approach that pairs human engineer expertise with AI tooling under Agile practices.

Differentiator

Problem solved

Functional benefit

Products and services

• Contracted Development (受託開発) Custom system development services using Ruby and Ruby on Rails to build software systems for client companies. Targeted at Japanese organizations that need external engineering capacity or specialized Ruby on Rails delivery.
• Development Support and Consulting (開発支援・コンサル) Embedded consulting service in which Everyleaf engineers participate as members of client development teams, set up AI utilization frameworks, conduct code reviews, and provide team member education. Targeted at Japanese engineering organizations seeking senior-level advisory and hands-on support.
• Development Team Building (開発チーム作り) Service for clients looking to create new in-house development teams or accelerate the growth of junior-heavy existing engineering teams. Targeted at Japanese companies building internal engineering capability.
• AI Utilization (AI活用) Service to set up AI utilization frameworks within client development organizations and provide training on AI usage for development team members. Targeted at Japanese engineering organizations adopting AI tools and workflows.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature5 records

Partnerships

One partnership is on record.

• Retrieva (株式会社レトリバ)coreOthersRetrieva is a group company of Everyleaf, sharing the same corporate family. Both companies appear under the same corporate umbrella, indicating a strategic group relationship within the Japanese technology sector.

Scale indicators1 record

Direct peers

• BigBinary: Ruby on Rails and React product engineering consultancy providing custom development and team services. Comparable to Everyleaf as a specialist Rails development shop serving business clients.
• Thoughtbot: Internationally recognized Ruby on Rails and product design consultancy. Comparable to Everyleaf as a specialist Rails shop providing contracted development, code review, and team augmentation, though operating at larger scale and with a broader geographic footprint.
• BASIC Inc. Japanese software development and consulting firm delivering custom web systems and team-based engineering services. Comparable to Everyleaf in geography and the custom-development-plus-consulting model.
• Hashrocket: US-based Ruby on Rails consultancy offering custom development, code review, and Agile delivery services. Direct competitor in the specialist Rails-consulting category where Everyleaf also operates.
• 8th Light: Global software consultancy delivering custom application development, code review, and team augmentation. Comparable to Everyleaf in the consultancy-plus-software-craft model, though with a wider language stack.
• Planet Argon: Ruby on Rails maintenance and development consultancy. Comparable to Everyleaf's contracted-development and code-review services, with a similar specialist positioning in the Ruby ecosystem.
• Arkency: Ruby and Rails consultancy focused on legacy modernization, development, and team training. Comparable to Everyleaf's combined delivery, code-review, and team-education offering in the Ruby ecosystem.
• SonicGarden: Japanese Ruby on Rails-focused software development and consulting firm. Closely comparable to Everyleaf in technology stack, geography, and boutique consulting model, with overlapping offerings in custom Rails development and team-oriented Agile delivery.

Broad incumbents

• KAYAC Inc. Larger Japanese digital services and software development firm. Comparable to Everyleaf in delivering custom application development to Japanese clients, but operating as a broad incumbent across multiple technologies rather than as a Ruby specialist.
• Relate Technologies Inc. Japanese technology services firm providing software development and engineering team support. Comparable to Everyleaf in offering contracted development and engineering team services in Japan, with broader service scope.

Market position

Customer concentration

• Xx.com/everyleaf
• LinkedInlinkedin.com/company/everyleaf

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Everyleaf