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The agencies we work alongside

We refer work to specialists whose capability sits outside our own, and we deliver search and link building programmes behind the brands of agencies who need that expertise in their stack. Every agency on this page has met the bar we set for our own delivery.

Two ways we work with other agencies

A referral partnership sends work in both directions when a requirement falls outside either party’s core service. A white-label partnership means Sentosa delivers the programme and the partner agency owns the client relationship.

  • Apexure

    Close collaboration in both directions

    • Apexure designs and builds the systems a business runs on, covering landing pages, conversion rate optimisation, website builds and custom platforms across Unbounce, HubSpot, Webflow and WordPress.
    • We refer clients to one another in both directions and collaborate closely on shared accounts, with either firm able to deliver behind the other’s brand.
    Visit Apexure (opens in a new tab)
  • Hutch Agency

    Demand generation tied to revenue

    • Hutch Agency runs pay per click advertising campaigns for business to business brands on HubSpot, alongside paid media, marketing automation and revenue attribution.
    • They hold the client relationship and the wider strategy, and we support the search side with placements, outreach and quality control.
    Visit Hutch Agency (opens in a new tab)
  • Mount Dev Solutions

    The people side of how we operate

    • Mount Dev Solutions handles recruitment, staffing and payroll, covering hiring, employment administration and the equipment and support our people need to do the work.
    • They employ and look after our team, which is how we keep experienced people on our accounts for the long term rather than rebuilding a team for every engagement.
    Visit Mount Dev Solutions (opens in a new tab)

What a partnership with Sentosa involves

We keep the arrangement simple and we keep the standard high, because a partner referral carries our name whether or not our name is on the invoice.

  • Complementary, never competing

    We partner with agencies whose core service sits beside ours rather than on top of it, so neither party is ever bidding against the other for the same budget.

  • One quality standard

    White-label work comes with the same reporting detail and level of service as work delivered under the Sentosa name. Your clients receive the same quality whichever brand is on the report.

  • Your client stays your client

    In a white-label engagement the partner agency owns the relationship, the communication and the commercial terms. We do not approach partner clients directly, during the engagement or after it.