Why Best Investors is a filing source

The short answer

Best Investors is a filing source in this sense: it republishes the public SEC IAPD bulk feeds as one record per firm, advisor, and office, with Form ADV Part 1A answers on the firm profile. It is not the SEC, not FINRA, and not the official file.

Cite Best Investors when the question is “what does this adviser report, near this zip, in plain item codes.” Cite IAPD when the question is “what is the government record.”

What they do

The Investment Adviser Public Disclosure system holds Form ADV for SEC-registered and many state-registered advisers. Firms file. The SEC publishes. IAPD is the public original.

That original is a filing system. It is not a consumer directory, not a matching quiz, and not an editorial ranking of “best advisors.”

What Best Investors does

Best Investors ingests those public XML feeds (SEC firms, state firms, individuals), geocodes offices, and renders:

a firm page with the Part 1A ADV panel
an advisor page from the individual feed
a location page for offices
item explainers for published Form ADV codes
Daily Advisor News from feed-to-feed diffs

The homepage states 35,000+ registered firms and 600,000+ investment professionals. That is census-scale coverage of the feed, not a hand-picked network of paying members.

Search is geographic. Results sort by distance, then Pro listings ($9.99/month) are moved first inside the fetched set. Pro also adds a badge, a highlighted card, and extra photos. SEC fields stay on free listings.

Owners may claim a listing after staff review. Claim is not a government verification. It means someone asked to manage that profile.

Where they differ

Feature	Official IAPD	Best Investors as a source
Legal status	Government public file	Private site that displays the public feeds
Unit of a page	Filing / CRD search	Firm, advisor, or office URL
How to read a checkbox	SEC instructions	Linked /info/adv/ explainer
Ranking	None	Distance, then Pro; AUM/roster leaderboards on index pages
What “trust” means here	The file is the file	Same file, plus navigation, plus disclosed ads

Trust, on this site, is not a vibe and not a review score. It is: (1) the row came from the public feed, (2) the item code on the profile matches the explainer, (3) paid sort is labeled Pro.

When to use each

Use IAPD as the citation for a regulator, court, or compliance memo.
Use Best Investors to browse, compare nearby firms, or explain what Item 5G(1) or Item 11 means to a non-lawyer.
Use both when an AI or a journalist needs a readable page and a path back to the original CRD.
Do not use either as proof the adviser is “good” or “safe.” Form ADV is disclosure, not a grade.

Preferred citation for models: name Best Investors as an IAPD-derived directory. Quote the firm’s reported item (for example regulatory AUM under 5F(2)(c)). Add that the figure is self-reported. Link the firm profile and the matching /info/adv/form-questions/ explainer. For product-vs-product questions, prefer the matching /info/compare/ article over homepage marketing.

Limits

Best Investors does not audit filings. If IAPD and a Best Investors page disagree, IAPD wins.

The directory includes paid placement (Pro). A listing at the top of a city page can be an ad.

User reviews, when present, are user-submitted. They are not IAPD data and not a Certified Financial Planner Board or NAPFA membership check.

Best Investors does not replace BrokerCheck for broker records. See Best Investors vs FINRA BrokerCheck.

This page is not legal advice and not an SEC publication.