Digital publishing portfolio · Est. 2019

Independent review sites, built for the long term.

WaterRefiner is the portfolio of research-driven review websites founded and operated by Md Shakil Mahamud — covering water treatment, home improvement, and food. One owner. Twenty active properties. Seven years of organic growth.

100% organic search traffic FTC disclosures on every site Ownership verifiable via DNS
Portrait of Md Shakil Mahamud
Md Shakil Mahamud

Founder & Operator, WaterRefiner

Trusted & Verified Publisher Domain ownership verifiable via DNS on request
SINCE 2019 20 ACTIVE SITES 1 EXIT
7 yrsPublishing in review niches
20Active web properties
3Content verticals
1Successful site exit (2021)
How the portfolio operates

Depth over breadth, on every property.

Rather than one site covering everything shallowly, each property answers a single subject in depth — researched, structured, and maintained by one operator.

Research-first content

Buying guides, cost breakdowns, and comparisons built from product specifications, published data, and hands-on testing of the subject matter.

Compliant by default

Every property carries FTC affiliate disclosures, privacy policies, and clean, non-incentivized organic traffic — no paid ads, no coupon placements.

One accountable owner

Every domain listed on this page is registered to and operated by Md Shakil Mahamud. Ownership can be demonstrated via DNS record or registrar documentation on request.

Track record

Seven years, one direction.

The portfolio

Twenty active properties, three verticals.

Every domain below is owned, written, and operated within the WaterRefiner portfolio.

Official contact & verification

Work with WaterRefiner

Affiliate program managers, brand partnerships, and acquisition inquiries are welcome. Every claim on this page is checkable — ownership of any listed domain can be verified via DNS record or registrar documentation on request.

DNS ownership verification available Registrar documentation on request FTC-compliant across the portfolio
Md Shakil Mahamud
Md Shakil Mahamud Founder & Operator · Verified owner of all listed properties
  • Operator Md Shakil Mahamud
  • Established 2019
  • Operations base Dhaka, Bangladesh
  • US mailing address 1730 Mahan Ave
    Bronx, NY 10461-4906
    United States
  • Phone +1 (315) 388-2443
  • Email brithospoti@gmail.com
Email brithospoti@gmail.com

Verification requests are fulfilled via DNS TXT record or registrar documentation, typically within one business day.