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Employer plan registry

Plan archetypes, graded by source

A registry that teaches the four flags every plan turns on — after-tax support, conversion mechanic (in-plan vs in-service), contribution mechanic (per-pay vs annual), and confidence tier. These are illustrative archetypes, not verified claims about a specific named company.

Large cloud platform

Cloud / infrastructure

MBR-Eligible
mechanic
In-plan Roth conversion
contrib
Per pay period
source
Illustrative archetype
reviewed 2026-06-16

Social platform

Consumer internet

MBR-Eligible
mechanic
In-plan Roth conversion
contrib
Per pay period
source
Illustrative archetype
reviewed 2026-06-16

Marketplace retailer

E-commerce

MBR-Blocked
mechanic
No conversion path
contrib
Not applicable
source
Illustrative archetype
reviewed 2026-06-16

Productivity software co.

Enterprise software

MBR-Eligible
mechanic
In-plan Roth conversion
contrib
Per pay period
source
Illustrative archetype
reviewed 2026-06-16

Device hardware maker

Consumer hardware

MBR-Conditional
mechanic
In-service distribution
contrib
Per pay period
source
Illustrative archetype
reviewed 2026-06-16

Payments infrastructure

Fintech

MBR-Eligible
mechanic
In-plan Roth conversion
contrib
Per pay period
source
Illustrative archetype
reviewed 2026-06-16

Streaming media co.

Media / streaming

MBR-Blocked
mechanic
No conversion path
contrib
Not applicable
source
Illustrative archetype
reviewed 2026-06-16

Accelerated computing co.

Semiconductors

MBR-Eligible
mechanic
In-plan Roth conversion
contrib
Per pay period
source
Illustrative archetype
reviewed 2026-06-16

Enterprise CRM platform

Enterprise software

MBR-Conditional
mechanic
In-service distribution
contrib
Annual / lump-sum
source
Illustrative archetype
reviewed 2026-06-16

Ride-hailing platform

Mobility

Verifying
mechanic
In-plan Roth conversion
contrib
Per pay period
source
Illustrative archetype
reviewed 2026-06-16

Why archetypes, not brands

Plan features change, and asserting “Company X allows the Mega Backdoor Roth” without a current primary-source citation is exactly the trust failure this category is prone to. So this registry ships as illustrative archetypes you can pattern-match against. When the operator verifies a real plan against a primary source — official benefits page > Form 5500 filing > Levels.fyi > Carry — an archetype is replaced with a real, dated, cited entry. See the methodology for the source-of-truth hierarchy and verification cadence.