This brand/logo needs to inspire trust, confidence, establishment, safety, maturity, peerlessness, and less so about excitement, new, fresh, challenging, etc. The foundations of this financial product represent unquestionable market strength and so the brand image should portray this maturity and stability.
Abstract, modern, simple yet instantly recognisable logos are particularly interesting - nothing too fussy, elegant or quirky.
Alternatively, a logo that is formed of just the brand name presented with a particularly striking font type, and without a symbol is also interesting.
The text of the brand name should be simple, without flair, bold and recognisable.
UPDATE TO BRIEF:
We have uploaded a design that we had put together ouselves before deciding that we didn't like it (unoriginal, appears too often elsewhere). The logo mark is comprised of 3 layers which represents the 3 parties that are linked/related with this financial product; Landlord - Leasec - Tenant. The idea of a logo mark representing 3 parties/elements is interesting, and these can be obviously linked or not. Perhaps something based around a triangle could be interesting as this has the 3 corners but also could represent strength.
The text is Expletus Sans - this is impactful but also has an interesting but subtle and modern design styling.
The colour combinations are appealing, but we are definitely very keen to explore other shades within the palette range so please do not stick to these.