You have to start with exactly what you have done, find why people aren't in the loop then start addressing each issue. People make it sound easy, just have th

You have to start with exactly what you have done, find why people aren't in the loop then start addressing each issue. People make it sound easy, just have the conversation in a public channel, but that isn't so black and white, nor does everyone see the information timely. A lot of conversations also should NOT be done publicly, but the outcome of those discussions should be available at the proper time. The best way to start solving it is formalize communication a little, don't stop having the conversations that are necessary but make sure people really understand the need to spread the word far and wide. Successful companies always communicate. The "need to know" delusion is a way to kill a small company and destroy your company culture, there are items which have a need to be held close yes, but those should be the rare items not the regular items. Having worked a lot with remote teams and distributed teams this is my starting point always. Make it part of leadership responsibilities that each exec, manager and team lead is responsible for sharing the information with their team members as a whole within a set time period. When you have a meeting with someone, state clearly at the end of the meeting, what are we communicating and who has the responsibility to communicate it and hold each other accountable to do so. This builds a team and culture that is set around communication, and makes what is communicated more consistent. If two execs have a meeting, the same rule applies to them to get the other execs looped in quickly and then the rest of the team. And when I say set a time period, it should be like 24-48 hours, not longer as the chances of information leaking and being found out start to go up and the team starts loosing trust in the process and leadership. As for town halls, Q&A's etc, yes, all that is good, but don't overdue it or they become a waste of time and people stop wanting to attend so they start bringing their laptops and working or doing other things instead of paying attention. For a small startup though with < 20-30 people, IMO a monthly town hall with current state and updates is always good thing for the founders to hold and allow people to ask questions. It helps tune the focus and dispel rumor done properly. There are lots of other ways to help too, but you need to start with the people part of the equation in my experience. Then worry about tools to help make it easier.