ConsentLine
A consent management platform engineered by Interface that blocks GTM and analytics scripts from entering the document until a visitor grants permission. Zero requests to Google before consent—verified with network captures on every deployed site.
Visit consentline.com open_in_newMost consent management platforms rely on Google Consent Mode, which allows tags to fire "cookieless" pings before a visitor has agreed to anything. ConsentLine takes a different approach: it gates the document itself. No analytics or marketing script enters the page until consent is granted. Interface built the platform after observing real cases of analytics firing before consent under conventional CMP setups—including on our own site. That observation drove the architecture: block by default, verify by network capture, and treat compliance as an operated service rather than a one-time install. ConsentLine runs in production across Interface-operated client sites and on ifmm.com and consentline.com—the platform runs its own CMP.
How it worksThe hard-block difference
Most CMPs operate by configuration: they instruct tags to suppress certain data when consent is absent. ConsentLine operates by exclusion: GTM and analytics scripts do not enter the document until the visitor grants permission. There is no configuration to misconfigure, no cookieless ping that slips through. Every deployed site is verified by network capture—the panel shows zero requests to Google before consent is given.
Jurisdiction-aware compliance and Global Privacy Control
ConsentLine geo-detects each visitor at the edge and applies the correct ruleset across eight US state privacy laws—CPRA, VCDPA, CPA, CTDPA, DPDPA, TDPSA, OCPA, and NJDPA—plus a US baseline. When location cannot be determined, the platform fails closed to the most conservative posture rather than defaulting to permissive behavior. Global Privacy Control browser signals are honored on first visit and re-applied for returning visitors.
Evidence log and 24/7 monitoring
Every consent choice is recorded to an append-only log with salted IP hashes—no raw PII is stored. The log is exportable as CSV for audits and data-subject requests, and archived daily with integrity verification. An independent monitor checks every deployed site around the clock for configuration drift and uptime, alerting the team on first failure. Compliance is treated as an operated service: the platform does not assume a correct install stays correct.
Hosted policies, portal, and real-estate document options
Privacy policy, terms, and cookie policy are authored from original counsel-reviewed templates—written from scratch, not derived from any vendor's documents—and hosted centrally. A client portal allows edits, but every change is human-reviewed before it goes live and recorded in permanent revision history. Embeds are paste-once: when a policy updates centrally, every embed on every site updates with it. For real estate clients, optional document sections cover fair housing, accessibility statements, DMCA, and property-marketing disclosures.
US state privacy laws carry real litigation risk, and most CMPs quietly leak—tags fire before consent in ways the configuration never flags. Interface built ConsentLine after confirming this pattern in production on our own properties. The platform blocks by default, monitors continuously, and keeps its compliance evidence in an auditable log. That is the same operational discipline Interface applies to infrastructure—not a point-in-time install that drifts silently after launch.
Selected work

Capitol Hill History
Preserving the oral history of Capitol Hill residents.
Goose Creek Village
Lifestyle Center Branding
R&R Contracting
Your Trusted Minority Workforce Partner
Monday Properties
Monday invests in new online digital site.Where it earns its keep
- +Commercial real estate marketing sites
- +Multifamily and leasing websites
- +CIPA/CCPA litigation-posture hardening
- +Termly/OneTrust replacement
- +Ongoing compliance monitoring
About ConsentLine
How is ConsentLine different from a typical consent management platform?
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What visitor data does ConsentLine store?
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Does it work with Google Tag Manager and GA4?
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Can Interface deploy ConsentLine for our site?
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What happens if a visitor's location cannot be determined?
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