Environmental Sustainability

Our situation as a managed-office tenant

eSolia's Tokyo office is located within Work Styling, a serviced office network operated by Mitsui Fudosan, in the Shiodome City Center building in Minato-ku. As a sub-tenant in a managed facility, we don't directly contract the building's electricity — but the infrastructure around us is, by design, RE100-ready.

Mitsui Fudosan joined RE100 in February 2020 and has committed the Group to sourcing 100% of its electricity from renewable sources by 2050. More concretely at the building level, Shiodome City Center is of the properties covered by Mitsui Fudosan's Green Energy Supply Service, which supplies tenants with RE100-compliant renewable electricity backed by tracked non-fossil fuel certificates (FIT NFCs). The most visible example is Fujitsu, which in October 2021 began sourcing 100% renewable electricity for its global headquarters in this same building through exactly this service.

What this means for eSolia honestly: the RE100-compliant plumbing exists at our building, and a direct tenant has demonstrated it works in practice. Whether our specific consumption inside Work Styling's shared-tenant footprint is enrolled in that service is a question for Mitsui Fudosan, not something we can independently verify as a sub-tenant of a serviced office operator. We flag this distinction so clients evaluating our supply chain can draw an accurate line between "the landlord is an RE100 member and the building has RE100-compliant supply available" (true, and verifiable at the corporate and building level) and "every kilowatt-hour behind this office is certified renewable today" (not something we control or can claim on our own behalf).

For completeness, Work Styling also runs the Sustainable Workstyle Lab, a member-facing sustainability community program featuring talk events, exhibits of sustainable products, and periodic initiatives such as clothing donation drives. This is engagement and education programming rather than an energy-procurement claim, but we note it as part of the broader operator context.

What we can influence is where our work actually runs — and for a company like eSolia, that means the cloud.

Where our real footprint lives

Professional services firms aren't factories. We don't operate kilowatts of manufacturing equipment. Our meaningful energy consumption happens in data centers and global cloud networks — not in our office's light switches. Our servers are our smokestacks, and they belong to someone else's infrastructure.

That makes the environmental commitments of our infrastructure partners directly relevant to our own footprint.

Our infrastructure and their commitments

Microsoft 365 and Azure

Our primary productivity suite — email, documents, collaboration, Teams — runs on Microsoft 365. Several internal applications run on Microsoft Azure. Microsoft has committed to matching 100% of its electricity consumption with renewable energy purchases, and has set a goal to be carbon negative by 2030. Their sustainability reports are publicly available and independently verified.

Cloudflare

We use Cloudflare for DNS management, website delivery, security, and Zero Trust network access. Cloudflare has committed to powering its global network with 100% renewable energy and has pledged to remove all historical carbon emissions going back to its 2010 founding.

AWS (Amazon Web Services)

Several of our web properties and services run on AWS infrastructure. Amazon has publicly reported reaching 100% renewable energy matching for AWS globally.

Netlify and Deno Deploy

Some of our sites are hosted on Netlify and Deno Deploy. Netlify runs on AWS infrastructure, inheriting its renewable commitments. Deno Deploy distributes workloads across multiple cloud providers with an emphasis on edge efficiency.

Salesforce (Slack)

We use Slack for internal team communication. Slack is owned by Salesforce, which has published net-zero commitments and renewable energy matching as part of its corporate sustainability program.

eSolia PROdb — ColoHouse, Chicago

Our proprietary database platform, eSolia PROdb, runs on dedicated infrastructure at a data center in Chicago, Illinois, operated by ColoHouse. This Tier III facility meets rigorous uptime and security standards. We don't currently have public renewable energy disclosures from this provider, and we note that honestly here.

A personal note

Our founder has solar panels installed at home, generating clean electricity for his household. He and his wife, along with their independent children, also maintain composters to reduce kitchen waste going to landfill. It's a small thing in the grand scheme, but it reflects a personal commitment that carries into how we think about eSolia's operations.

Japan deserves mention here too. Mandatory, granular waste separation for recycling is a fact of daily life across the country — a cultural baseline of environmental awareness that residents simply live with. It's not a special initiative; it's just Tuesday. That mindset shapes how we approach responsible operation.

What we're working toward

We are a small firm. Grand pledges without substance behind them would ring hollow. Our realistic near-term focus:

• Continuing to favor cloud providers with strong, verified renewable energy commitments when we have a choice
• Monitoring our key infrastructure providers — especially those without current public disclosures — for updated commitments
• Publishing this page and keeping it current, so clients and partners can make informed assessments of our supply chain stance
• Exploring whether Non-Fossil Certificates (非化石証書) or equivalent instruments would be applicable and meaningful for our specific operational profile

We welcome conversation on this topic. If you're a client or partner evaluating our environmental position, please reach out directly.

Related Pages

• Corporate Social Responsibility — Our CSR philosophy and initiatives
• Philosophy — Our values and principles
• Company Overview — About eSolia