Publishing more rarely creates authority on its own. Without a clear position, additional posts simply distribute an unclear message more widely.
Start with what you should be known for
Positioning is the decision about which themes you will return to until the market associates them with your name. It is narrower than your capability list and broader than any single service.
Then build the system
Once the position is defined, pillars, formats and rhythm become straightforward. The content plan stops being a search for ideas and becomes an expression of a defined point of view.