Dividend-paying companies such as Maintel Holdings and City of London Investment Group can help grow your portfolio income through their sizeable dividend payouts. Great dividend payers create a safe bet to increase investors’ portfolio value as payouts provide steady income and cushion against market risks A sizeable part of portfolio returns can be produced by dividend stocks due to their contribution to compounding returns in the long run. Here are other similar dividend stocks that could be valuable additions to your current holdings.

Maintel Holdings Plc (AIM:MAI)

Maintel Holdings Plc, through its subsidiaries, provides managed communications services for the private and public sectors in the United Kingdom and internationally. Established in 1991, and currently lead by Edward Buxton, the company size now stands at 631 people and with the company’s market capitalisation at GBP £111.08M, we can put it in the small-cap stocks category.

MAI has a great dividend yield of 4.10% and their payout ratio stands at 80.46% . MAI’s DPS have risen to £0.308 from £0.054 over a 10 year period. The company has been a dependable payer too, not missing a payment in this 10 year period. Maintel Holdings also looks promising for it’s growth over the next year, with analysts expecting a double digit earnings per share increase of 45.7%.

City of London Investment Group PLC (LSE:CLIG)

City of London Investment Group PLC is a publically owned investment manager. Established in 1991, and now led by CEO Barry Olliff, the company currently employs 73 people and with the company’s market cap sitting at GBP £104.11M, it falls under the small-cap group.

CLIG has a large dividend yield of 6.10% and is paying out 67.79% of profits as dividends , with analysts expecting the payout ratio in three years to be 71.15%. Dividends per share have increased during the past 10 years, but there have been a couple hiccups. However, they have historically always picked up again.

Gattaca plc (AIM:GATC)

Gattaca plc, a human capital resources business, provides contract and permanent recruitment in the private and public sectors in the United Kingdom, Europe, the Middle East, Africa, the Americas, and the Asia Pacific. Established in 1984, and now run by Brian Wilkinson, the company provides employment to 740 people and with the stock’s market cap sitting at GBP £99.83M, it comes under the small-cap category.

GATC has a great dividend yield of 7.30% and the company currently pays out 83.94% of its profits as dividends . GATC’s DPS have risen to £0.23 from £0.137 over a 10 year period. They have been consistent too, not missing a payment during this 10 year period. Comparing Gattaca’s PE ratio against the GB Professional Services industry draws favorable results, with the company’s PE of 11.5 being below that of its industry (16.4).