Standard ratio analysis should be used to supplement the discussion of strength and weakness.
The following ratios are most often used by practitioners:
(a) Growth Rates: PEG Ratio and 10 year or 5 year compound growth rates (CAGR) in Sales and EPS of the two companies prior to the merger.
(b) Liquidity Ratios
(c) Leverage Ratios:
(i) Book Value of Total Debt/Book Value of Equity
(ii) Book Value of Long-term Debt/Book Equity
(iii) Book Value of Total Debt/Market Value of Equity
(iv) Interest and other fixed charge Coverage Ratio
(d) Operating Characteristics:
(i) Total Asset Turnover
(ii) Average Collection Period
(iii) Gross Profit Margin
(iv) ROE and ROA
(e) Investment Characteristics:
(i) Capital Expenditure as a percentage of Total Asset
(ii) R&D as a percentage of Total Assets
Most of these ratios are available from Bloomberg, Standard and Poor's Industry Survey, or similar sources. You may also access WRDS for relevant information.