Omnicom Group Inc. OMC is scheduled to report second-quarter 2021 results on Jul 20, before the bell.The company has an impressive earnings surprise history. It surpassed the Zacks Consensus Estimate in all of the trailing four quarters, delivering an earnings surprise of 12.5%, on average.Q2 ExpectationsThe Zacks Consensus Estimate for revenues is pegged at $3.35 billion, indicating 19.5% growth from the year-ago quarter’s actual figure. The top line is expected to predominantly reflect the impact of increase in organic revenues, resulting from revival in business activities from the coronavirus-induced lows. Favorable foreign-exchange movements are also expected to have positively impacted the top line.The Zacks Consensus Estimate for earnings is pegged at $1.33 per share and calls for year-over-year increase of 44.6%, expectedly attributable to increase in operating profit. Prudent management of discretionary addressable spend cost categories and benefits from repositioning actions taken back in the second quarter of 2020 are likely to have benefited the company’s operating performance in the to-be-reported quarter.What Our Model SaysOur proven model predicts an earnings beat for Omnicom this time around. The combination of a positive Earnings ESP and a Zacks Rank #1 (Strong Buy), 2 (Buy) or 3 (Hold) increases the odds of an earnings beat. You can uncover the best stocks to buy or sell before they're reported with our Earnings ESP Filter.Omnicom has an Earnings ESP of +10.19% and a Zacks Rank #3.You can see the complete list of today’s Zacks #1 Rank stocks here.Omnicom Group Inc. Price and EPS Surprise Omnicom Group Inc. price-eps-surprise | Omnicom Group Inc. QuoteOther Stocks That Warrant a LookHere are a few other stocks from the broader Zacks Business Services sector that investors may consider, as our model shows that these too have the right combination of elements to beat on earnings this season:ManpowerGroup MAN, with an Earnings ESP of +0.85% and carrying a Zacks Rank #2.Aptiv APTV, which has an Earnings ESP of +8.44% and currently carries a Zacks Rank of 3.WEX, with an Earnings ESP of +3.47% and carrying a Zacks Rank of 3 as well. More Stock News: This Is Bigger than the iPhone! It could become the mother of all technological revolutions. Apple sold a mere 1 billion iPhones in 10 years but a new breakthrough is expected to generate more than 77 billion devices by 2025, creating a $1.3 trillion market. Zacks has just released a Special Report that spotlights this fast-emerging phenomenon and 4 tickers for taking advantage of it. If you don't buy now, you may kick yourself in 2022.Click here for the 4 trades >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report ManpowerGroup Inc. (MAN): Free Stock Analysis Report Omnicom Group Inc. (OMC): Free Stock Analysis Report WEX Inc. (WEX): Free Stock Analysis Report Aptiv PLC (APTV): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research