A weekly newsletter walking small business owners through the Profit Mastery Financial Operating System, a step-by-step framework for planning, reviewing and improving company finances. Issues cover diagnosing financial problems, defining owner goals, and running a monthly financial review with trends and ratio scorecards.

Headroom HQ publishes serialized, case-study-style stories about fictional mid-market companies facing operational problems, such as a 3PL migration or an unmaintained documentation wiki. Each issue pairs narrative with a named operational framework, measured metrics and character or company reference cards.

Alambic is a French-language newsletter from a Belgian business consultancy on running organisational change, performance and digital projects without burning out teams. Each issue offers practical, opinionated advice on topics such as training budgets, AI tools for companies and measuring performance.

Andrew Langstone writes practical essays for general contractors on business health, covering topics like measuring profitability over revenue, niche positioning in a fragmented industry, and forecasting project costs. Readers get concrete, experience-based guidance on running a profitable construction business.